SMLC-208-001

INSTRUCTION MANUALMAXIMUM (MINIMUM) SUPER MULTI-METER
SMLC-110L
Hardware Model E

SMLC-208-001

Thank you for purchase of DAIICHI ELECTRONICS product.
Please read this instruction manual carefully before use.

Safety precautions
 Usage environment and product conditions
Please be sure to use this product in a place that meets the following conditions.
In places that do not meet this condition, it may cause malfunction or failure and product life decline.
 Within the range of ambient temperature -10 to +55 ℃, humidity 85% RH or less.
 Place free of dust, corrosive gas, salt and oily smoke. (Corrosive gas：SO2 / H2S, etc.)
 Location that is not affected by vibration and shock.
 Location that is not affected by external noise.
 Altitude 1000m or less.
 If this unit directly measures an inverter output of cycle control, SCR phase angle control or PWM control,
an error may increase due to its operation principle.
 Outdoor use conditions
 These products are not a dustproof, waterproof, and splash proof construction.
Please avoid the place with much dust. Moreover, please install in the place not exposed to rain nor water drop.
 Please do not install in the place where sunlight hits directly.
Discoloration and degradation of a name plate, and deformation of the case by the surface temperature rise
may occur.
 Mounting and wiring
Please refer to this instruction manual for mounting and the wiring.
 Please refer to connection diagram for the wiring.
 Please avoid a hot line work.
 Please use an electrical wire size suitable with the rated current.
 Please check the tightening of the screw.
 Preparation
This product must be set before use. Please set correctly after reading this instruction manual.
 About dew condensation
If the temperature and humidity of an installation change rapidly when a product is a non-energization, the waterdrop
by dew condensation may adhere to a display inner side. (The display filter and the LCD surface stick and the patternof the shape of a circle or an ellipse occur.)This phenomenon does not cause any trouble. Disappears when control power is applied for 2 hours.
 Maintenance and inspection
 Inspection in energized state is dangerous.
 No replacement in periodic inspection.
 After wiring change and maintenance, attach the terminal cover.
 Please wipe off lightly with the dry soft cloth. Please do not use the organic solvent, chemicals, cleaners, etc.,
such as an alcohol, for cleaning.
The LCD may light up during cleaning on the LCD screen. This is a phenomenon that static electricity occurs in
the filter. There is no problem with the product. Leave the unit as it is for a while, and the display goes out
due to natural discharge.
Do not press the LCD screen strongly. Pressing the LCD screen may cause the filter and the liquid crystal surface
to remain in contact (such as a round pattern).
 Storage
Please store in a place that meets the following conditions.
 The ambient temperature is within -25 to +70 ℃ (storage temperature).
 Daily average temperature 40 ℃ or less.
 Location corresponding to the usage environment and use conditions.
 Aluminum electrolytic capacitors are used for products. Please energize the power supply within one year after
purchase.
 Countermeasures against troubles.
If this product breaks down within the warranty period, it will be repaired by DAIICHI ELECTRONICS.

1SMLC-208-001

 Disposal
Please dispose this product as industrial waste (non-combustible).
Mercury parts and a nickel-cadmium battery are not used for this product.
 Warranty period.
The warranty period of the product is one year after the date of delivery.
 Operation
Be careful with the following cautions during use.
 Use the input within the rated range. Be careful since negligence of this caution may cause troubles of the unit.
 There is a function to hold the maximum value and the minimum value with a measurement factor in this product.
The blackout this value will not be cleared by a power supply reset. However, the minimum value may be updated incase input is not applied to a power up. Therefore the maximum value and the minimum value need to be reset of DI
after a startup, or switch operation.
For this reason, in order to recover previous minimum value, please apply input within 1 second after switching on
a power supply.
 The maximum value, a minimum value measurement factor
Measurement factor
3-phase voltage，Zero-phase voltage，Frequency

Maximum value measurement○

Minimum value measurement○

 Be careful not to touch any terminal when power is applied to the unit.
 Don’t disassemble or modify this unit without any previous permission of our company, otherwise
the warranty does not apply to the unit any more. Also, modifications may cause troubles, afire, or other accidents. For specifications change, etc., please contact us.
 SettingThis unit requires setting and confirmation of the measuring range, etc. before use.
Wrong setting, if any, causes malfunction of the unit. If setting should be wrong, neither measurement nor output
becomes correct. Carefully read the instruction manual before setting the unit.
 Default settings
The case of shipment of this product, it is the following default setting. Please set according to a use condition.
№

1

Setting item

Display
combination

Pattern
Main monitor
Sub-monitor (Left)
Sub-monitor (Center)
Sub-monitor (Right)
Bar graph

2

Alarm output
setting(１)33-phase voltage
detection setting

4

Zero-phase voltage
detection setting

5

Backlight

6

Measurement range

Alarm 1 factor
Alarm 1 reset form
Alarm 1 test
Alarm 2 factor
Alarm 2 reset form
Alarm 2 test
Voltage upper limit
Voltage lower limit
Demand time interval
Zero-phase voltage upper limit
Response time
Ground fault phase detection
display automatic change
ActionBrightness
Voltage range
Zero-phase voltage scale
Frequency range

Phase voltage input
Vo 190V
Vo 110V
Pattern 1
Maximum zero-phase voltage
V(RY)
V(YB)
V(BR)
Maximum zero-phase voltage＋ Zero-phase voltage
Zero-phase voltage
AUTO
－
OFF
AUTO
－
OFF
OFF
0 second
5280V ( /152V) 5280V ( /88V)
0.1 seconds

Line voltage input
Vo 190V
Vo 110V
Pattern 1
Maximum zero-phase voltage
V(RY)
V(YB)
V(BR)
Maximum zero-phase voltage＋ Zero-phase voltage
Zero-phase voltage
AUTO
－
OFF
AUTO
－
OFF
OFF
0 second
5280V ( /152V) 5280V ( /88V)
0.1 seconds

OFF

OFF

AUTO
3（Middle）
9000V (6600V/110V)
×1/√3 non display
45.0 to 65.0Hz

AUTO
3（Middle）
9000V (6600V/110V)
×1/√3 non display
45.0 to 65.0Hz

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SMLC-208-001

№

7

8

9

10
11
12

13

Setting item
Output factor 1
Output factor 2
Analog output
Output factor 3(１)
Output factor 4
Low input cut
External operation Input 1 function
input (１)(２)
Input 2 function
Phase voltage
Line voltage
Measurement
display ON/OFF
Zero-phase voltage
Frequency
Zero-phase input voltage
Input circuit
Rated frequency
Measurement
Dead band
Analog output specification (１)(３)
Bias adjustment
Output 1
Span adjustment
Bias adjustment
Output 2
Analog output
Span adjustment
adjustment
Bias adjustment１( )Output 3
Span adjustment
Bias adjustment
Output 4
Span adjustment

Phase voltage input
Vo 190V
Vo 110V
Maximum zero-phase voltage
V(RY)
V(YB)
V(BR)
OFF
Alarm resetMax./Min. reset
ON
ON
ON
ON
190V
110V
50Hz
0.0％
1 to 5V
0.0％
100.0％
0.0％
100.0％
0.0％
100.0％
0.0％
100.0％

Line voltage input
Vo 190V
Vo 110V
Maximum zero-phase voltage
V(RY)
V(YB)
V(BR)
OFF
Alarm resetMax./Min. reset
OFF
ON
ON
ON
190V
110V
50Hz
0.0％
1 to 5V
0.0％
100.0％
0.0％
100.0％
0.0％
100.0％
0.0％
100.0％

Note(１) A setting item is not displayed in case there is no corresponding option.
Note(２) It becomes the next function in case there is no alarm output option.
Input 1 function：Max. / Min. reset, Input 2 function：Measurement factor change.
Note(３) A setting item is not displayed if analog output is except DC0 to 5V (or DC1 to 5V) specification.

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SMLC-208-001

Content

1. Product outline ･･･････････････････････････････････････････････････････････････
1.1 Usage of product ･･･････････････････････････････････････････････････････････
1.2 Features of product ････････････････････････････････････････････････････････

5
5
5

2. The name and function of each part ････････････････････････････････････････････

6

3. Preparation
3.1 Installation ･･･････････････････････････････････････････････････････････････
3.2 Connections ････････････････････････････････････････････････････････････････

7
8

4. Operation ･････････････････････････････････････････････････････････････････････ 9
4.1 The screen change and function by switch operation ･････････････････････････ 10
4.2 The kind of display ････････････････････････････････････････････････････････ 11
4.2.1 Measurement display ･････････････････････････････････････････････････････ 11
4.2.2 Alarm detection display ･････････････････････････････････････････････････ 13
4.2.3 Setting display ･････････････････････････････････････････････････････････ 14
4.3 Operation ･･････････････････････････････････････････････････････････････････ 15
4.3.1 The main monitor display-element change ･････････････････････････････････ 15
4.3.2 Phase (line) display change ･････････････････････････････････････････････ 15
4.3.3 Ground fault phase detection display change ･･････････････････････････････ 16
4.3.4 Setting value check ･････････････････････････････････････････････････････ 16
4.3.5 Setting mode ････････････････････････････････････････････････････････････ 17
4.3.6 Reset ･･･････････････････････････････････････････････････････････････････ 18
5. Setting
5.1 Function table ･････････････････････････････････････････････････････････････ 20
5.2 Setting table ･･････････････････････････････････････････････････････････････ 22
5.3 Setting in detail explanation ･･････････････････････････････････････････････ 26
5.3.1 Setting mode 1 ･･････････････････････････････････････････････････････････ 26
5.3.2 Setting mode 2 ･･････････････････････････････････････････････････････････ 31
5.3.3 Setting mode 3 ･･････････････････････････････････････････････････････････ 36
6. Specification
6.1 Specification and intrinsic error ･･････････････････････････････････････････ 38
6.2 Performance ････････････････････････････････････････････････････････････････ 39
6.3 Option ･････････････････････････････････････････････････････････････････････ 41
7. Maintenance and check7.1 Trouble shooting ･･･････････････････････････････････････････････････････････ 42
7.2 Test ･･･････････････････････････････････････････････････････････････････････ 43

4SMLC-208-001

1. Product outline
1.1 Usage of productThis single unit can measure and monitor phase voltage ×3, line voltage ×3, zero-phase voltage ×3, frequency.
3-phase voltage can select two types, a phase voltage input product and a line voltage input product, according toa usage. Distinction of ground fault phase can be performed by zero-phase voltage and phase voltage.
The intensive monitor united with the system is made in an addendum of analog output.

1.2 Features of product Phase voltage input product can distinguish the ground fault phase at the case of ground fault occurrenceby measuring zero-phase voltage and a phase voltage.
 Bar graph 1 measurement and digital 4 measurement are displayed simultaneously.
 Analog output 4 circuit and alarm output 2 circuit can be taken out. (Option)
And, an output factor can be selected by setting.
 Two external operation inputs are possible. (Option)
And, selection of reset input and a display change input is possible at setting.
 Power supply is AC85 to 264V，DC80 to 143V (for both AC and DC uses).
 The mounting method of this unit is compatible with the mounting method of conventional 110 square mechanicalmeter. This unit is mounted at 2 diagonal points.
 Setup of the measurement response time is possible for a phase voltage and zero-phase voltage.
(High-speed 0.05 to 5 seconds. Arbitrary settings.)
 Demand time interval setting is possible for a line voltage.
 The function which changes a measurement display to a maximum of zero-phase voltages and the minimum voltageof each phase automatically at the case of ground fault detection is attached.
(Function ON / OFF is possible at a setting) Analog output is with a lower limit limiter.
 The backlight function is equipped (White LED backlight).
Selection of backlight on, backlight off, and auto backlight off and setting of brightness are possible.

5

SMLC-208-001

2. The name and function of each part
Digital display
Measurement monitor can watch 4 elements at the same time.
Bar graph display
The measurement value of the main
monitor is indicated by the analog.
(Setting which does bar graphdisplay of the measurement value of
sub-monitor is also possible.)

Sub-monitor (Left)
Sub-monitor (Center)

Main monitor
Sub-monitor (Right)

Upper limit (or lower limit) setting index
An upper limit (or lower limit) set point
is displayed.

Scale number
It sets automatically bymeasurement-range setting.

Unit display
It sets automatically by measurement-range
setting.

RESET/SHIFT－＋

The switch to which measurement
displays element of main monitor
is changed.
If it is not operated for 10 minutes after adisplay change, it returns to the original
measurement display factor.
In set mode, it is used as a switch thatchanges a setting value.

This switch resets various
alarms. And, in the maximum andthe minimum measurement
display, it is used as a switchthat resets the maximum and theminimum value. In setting
mode, it is used as a switch towhich a setting item is shifted.

DISPLAY

SETThis is a switch which changes the phase (line) displayof voltage. If it is not operated for 10 minutes aftera display change, it returns to the original phase(line) display. In setting mode, it is used as a switchthat terminates setting mode.

This is the switch changed to setting mode.
If it continues pushing 3 seconds or more,
it will change to setting mode.
In setting mode, it is used as a switch that
determines a set point.
MAX/MIN
MODE

The switches to which instantaneous measurement display andthe maximum minimum measurement display are changed.

The switches to which usually measurement display
and ground fault phase detection display are changed.
In set mode, it is used as a switch that changes asetting item.
Instantaneous measurement
MODE
display and maximum minimum
measurement display

Instantaneous
MAX/MIN
measurement display
MAX/MIN

Ground fault
phase detection
display

MODE

6

Maximum minimum
measurement display

SMLC-208-001

3. Preparation
3.1 Installation
Mount the unit by the attached M5 nuts to a panel of thinner than 10mm, referring to the following external dimensions
drawing and panel cutout. Fasten these nuts with tightening torque 2.0 to 2.5N･m.
● Dimension diagram● Mounting position
The contrast of the liquid crystal display changes depending on the viewing angle, so install it at the optimum
angle.
(1) For upper case installation(2) For lower case installation● Installation(1) A product is put in a cut hole of a panel from afront.
A body is inserted until it exceeds retaining
stopper of the lower base.
(2) Please fix a product certainly with attached M5flange nut for installation.
Please give a tightening torque as 2.0 to 2.5N･m.

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SMLC-208-001

3.2 Connections
Please perform connection after referring to the following wiring diagram.
■ Connection drawing (６)● 3-phase voltage (Phase voltage input)，
Zero-phase voltage● 3-phase voltage (Line voltage input )，Zero-phase voltage (７)

RYB

RYB
U EVT

U

VT

V

V

U
V

W
N

LOAD

Vo INPUT

AUX.SUPPLY

AUX.SUPPLYANALOG OUTPUT 1
ANALOG OUTPUT 2
ANALOG OUTPUT 3
ANALOG OUTPUT 4
ALARM OUTPUT 1
ALARM OUTPUT 2

ANALOG OUTPUT 1
ANALOG OUTPUT 2
ANALOG OUTPUT 3
ANALOG OUTPUT 4
ALARM OUTPUT 1
ALARM OUTPUT 2

EXT.INPUT 1

EXT.INPUT 1

EXT.INPUT 2

EXT.INPUT 2

Note(４) Analog output, alarm output, external operation input is an option.
Note(５) Can change to external reset function or external display change function by setting.
Note(６) In case of low-voltage circuit, secondary side grounding of VT is unnecessary.
Note(７) If a three phase voltage input is line voltage input specification, phase voltage measurement is OFF
and it cannot perform the check of a ground fault phase.
Grounding except Y phase (R, B phase, or neutral point) does not have a problem on characteristics.
● Caution on connection(1) Mount the terminal cover without fail for safety after the end of connections.
(2) Separate the input wiring and output wiring from each other without fail, and take a preventive measureagainst malfunction due to external noises.
(3) Connect the grounding terminal E (No. 7 terminal) to the ground without fail for enhancing the shield effect.
Keep the grounding resistance between the grounding terminal and the ground to be lower than 100Ω.
(4) Keep a distance of more than 30cm between this unit and the circuit breaker as well as between this unit andthe relay contact signal line.
(5) No protection is necessary for this unit even if the transmission line may be affected by an induced lightning
surge or the like when transmitting an analog output to the receiver. Mount an about 500V arrester or the likebetween the line surge protector and the ground as well as between the transmission line and the ground on thereceiver side for the purpose of protecting the devices on the receiver side.
(6) We recommended to mount a surge killer outside when connecting an inductive load to the alarm output.
If no surge killer is mounted, the contact life may shorten.

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SMLC-208-001

4. Operation● The function of switch

SwitchFunction
If it continues pushing 3 seconds or more, it will change to setting mode.
In setting mode, it is used for the determination of a set point.

SET
RESET/SHIFT

Various kinds of alarms are reset. The maximum value and the minimum value are reset in the
maximum minimum measurement display. In setting mode, it is used for movement of a setting item.

MODE

The instantaneous measurement display and maximum (minimum) measurement display and ground fault
phase detection display is changed. In setting mode, it is used for the change of a setting item.

MAX/MIN

The instantaneous measurement display and maximum (minimum) measurement display is changed.

＋ ，－

The measurement display element of the main monitor is changed.
In setting mode, it is used for change of a set point.

DISPLAY

A phase (between lines) display of current (voltage) is changed. It is used in case it terminatessetting mode. And, it is used in case it returns the display combination of a measurement factor.

● Convenient functions(1) In case a measurement change or a phase change is performed and the original screen composition is not clear
anymore, DISPLAY is pushed for more than 3 seconds or it's no-operation for 10 minutes and returns tooriginal screen structure.
(2) Even if it stops operation with setting mode, it returns to the display mode in 10 minutes.
● 7 segment displays
This product shows the guidance in various setting using 7 segment displays besides a display of a measurement
value. A digital readout and 7 segment displays corresponding to each alphabet are shown in the following.

A

B(b)

C

D(d)

E

F

G

H

I

J

K

L

M

Y(y)

Z

Non-dis Non-dis
play
play

N(n)

O(o)

P

Q(q)

R(r)

S

T(t)

U(u)

V

W

X
Non-dis
play

0

1

2

3

4

5

6

9

7

8

9

SMLC-208-001

4.1 The screen change and function by switch operation
This product changes various screens by switch operation. Here, the change step of the screen by switch operation
is explained.
Display mode＋ ，－No operation,
10 minutes
MODE

Instantaneous
measurement
display

No operation,
10 minutes

Alarm reset

RESET/SHIFT＋ ＋ Push 1 second

RESET/SHIFT

Push 3 seconds
Setting mode 2
Alarm reset

Display-elementchangeSET ＋ DISPLAY
Push 3 seconds
Setting mode 3

DISPLAYRESET/SHIFTPush 1 second

RESET/SHIFTPush 1 second

SET ＋

DISPLAY or
No operation, 10 minutes＋ ，－Maximum andthe minimum
measurement
display

Setting mode 1

Phase (line)
display change

MAX/MIN

MODE

SET
Push 3 seconds

DISPLAY or
No operation, 10 minutes

DISPLAYRESET/SHIFTPush 1 second

Ground fault
phase
detection
display

Main monitor
display-elementchangeRESET/SHIFT ＋ ＋Push 1 second

Phase (line)
display change

Maximum /Minimum reset

DISPLAY or
No operation, 10 minutes

RESET/＋ －SHIFT
Set point check
DISPLAYor
No operation, 10 minutes

Maximum / Minimum reset(All factor)

10

SMLC-208-001

4.2 The kind of display
4.2.1 Measurement display
A measurement value display has the two following types of displays.
The change of the measurement display element of the main monitor by switch operation and the change of the phase/ line display of voltage is possible (temporarily).
In an instantaneous measurement display, if switch operation is not performed for 10 minutes after changing adisplay element, it returns to the original measurement display element automatically.
① Measurement display
Measurement factors, such as 3-phase voltage, zero-phase voltage, and frequency, are displayed.
The measurement value of four factors is displayed at the maximum.
Setting which always displays a measurement factor is possible. And, it is possible to change to a display ofthe maximum value and the minimum value, about the measurement factor which performs holding of the maximum
value and the minimum value by switch operation.
These maximum values and the minimum value are reset by switch operation (it updates to the instantaneous value
at the time). In addition, as for the maximum value and the minimum value, power supply reset is not cleared either.
And, this display is held by even after 10 minutes of switch non-operation.
Range of minimum to maximum is displayed in bar graph.

Vo display

V(RY) display

V(YB) display

V(BR) display

Minimum display

Instantaneous measurement display

Maximum display

Maximum and minimum measurement display

・The example of a measurement display of each measurement factor (Main monitor)
Measurement
factorExample of display

Measurement
factorNote

LinevoltagePhase
voltageZero-phasevoltage

Maximumzero-phasevoltageFrequency

11

Example of display

Note“MAX.” and“ZERO PHASE”
is display

SMLC-208-001② Ground fault phase detection display
The maximum zero-phase voltage and the minimum phase voltage of each phase are displayed. (Display-element fixation)
It is possible to distinguish the ground fault phase at the case of ground fault occurrence by displaying thesemeasurement values. As for this display, power supply reset is also held. And, each maximum value and the minimum
value are always updated by the newest value. However, about line voltage input product, a phase voltage is OFF.
The change by switch operation and the automatic change at the case of the ground fault detection by setup are
possible for the change to this display.
The change to this display has the next method. The change by switch operation, and the automatic change at thecase of the ground fault detection by setup.
In addition, in case a backlight setup changes to a ground fault phase detection display by ground fault detection
by "AUTO OFF", backlight lights up simultaneously with display switching.
(After that, in case it does not operate it for 5 minutes, backlight goes out.)
Please refer to "4.3.3 Ground fault phase detection display change" about switch operation. And about the automaticchange setting method, please refer to " 5.3.1 setting mode 1 (4) zero-phase voltage detection setting".
“ZERO PHASE” is display
Maximum zero-phase voltage

Minimum V(YW)
Minimum V(BW)
Minimum V(RW)
Ground fault phase detection display
Instantaneous measurement display

MODE

Ground fault
detection

Ground fault phase detection display
In a ground
fault phasedetection
display, it
displays.
Backlight
lighting (Atthe case of
an automaticturn off thelightssetting)

MAX/MIN
Maximum, minimum measurement display
MODE

Ground fault
detection

Switching of a measurement element
is possible of ＋ or － switch.
12

・Display element
Main monitor
Maximum zero-phase voltage
Sub-monitor (Left)
Minimum V(RW)
Sub-monitor (Center) Minimum V(YW)
Sub-monitor (Right) Minimum V(BW)
Each minimum phase voltage of a line voltage input
product is OFF.
Maximum zero-phase voltages and minimum voltage
update a value.

SMLC-208-001

4.2.2 Alarm detection display
The alarm value setting is a possible measurement factor (zero-phase voltage and line voltage), it displays incase an input exceeds a set point.
Besides the usual measurement display, the detected factor is displayed on a screen upper case.
In addition, in case setting OFF (not use) as measurement factor, it does not detect.
And in the case of with an alarm output option, it is possible to do an alarm output (relay make contact) to theoutside simultaneously with a screen display.
Alarm display possible factor) Zero-phase voltage, Line voltage (the maximum value between each line),
Alarm detection (Zero-phasevoltage upper limit)
Zero-phasevoltagedisplayAlarmdetection

V(YB) display

V(RY) display
V(BR) display
Measurement display

Measurement display (Alarm detection)

・The example of a display at the case of the detection in each alarm factor.
In case the alarm factor is indicating by measurement at the main monitor or the sub-monitor, a measurement
value constitutes a blinking display.
The displays after an alarm return.
In case a return method is automatic reset setting：It returns to the usual measurement display.
In case a return method is manual reset setting：A detection display and an alarm output hold (in case setting as an alarm output of applicable factor).
The return in this case needs alarm reset operation. Please refer to "4.3.6 Reset" about alarm reset.
Alarm factor

Line
voltage

Example of a display

Upper
limit
(H)

Zero-phasevoltage
Detection
display

Zero-phasevoltage

Alarm factor

Low-alarm(L) setpoint

High-alarm(H) set
point

Lower
limit
(L)
Detection
display

Upper
limit
(H)
High-alarm (H)set point

Example of a display

Detection
display

13

Low-alarm(L) setpoint

High-alarm(H) setpoint

SMLC-208-001

4.2.3 Setting display
This is display for various setting. There are three types of setting modes according to the contents of setting.
Refer to "5. Setting" for the operation in setting mode, and the detailed contents of a setting.
① Setting mode 1
Setting of a measurement display element, an
alarm output, and an alarm value is mainly
performed.
And, an alarm output can be tested in thissetting mode.

Current setting

New setting
Setting No.

Setting mode 1 (No.111 Display pattern)② Setting mode 2
Setting of measurement range, analog output,
and measurement display ON/OFF is mainly
performed.
And, initialization of a setting value can be
performed in this setting mode.
New setting

Current setting

Setting No.
Setting factor

Setting mode 2 (No.211 Voltage range)③ Setting mode 3
Setting of input circuit is mainly performed.
And, analog output can be adjusted in thissetting mode.
New setting

Current setting

Setting No.

Setting mode 3(No.311 Input circuit zero-phase input voltage)

14

SMLC-208-001

4.3 Operation
4.3.1 The main monitor display-element change
The measurement display element of the main monitor is changed. A change is performed by ＋ －.
This operation can perform the maximum and the minimum display other than instantaneous measurement display.
After changing a measurement display element, if a switch is not operated for 10 minutes, it will return to theoriginal measurement display element automatically.
In maximum display and minimum display, even if a switch is not operated for 10 minutes, it does not return to theoriginal display.
Setting can perform same operation in external operation input. Please refer to "5.3.2 Setting mode 2, (3) external
operation input setting" about the setting method. Please refer to "6.3 Option" about external operation input.
No operation 10 minutes

MVo display

－

－

＋

＋

＋

＋

－

－

V(RY) display V(YB) display V(BR) display
Main monitor(Blank display)

Main monitor
Maximum zero-phase voltage(Default display)

Main monitor
Zero-phase voltage

4.3.2 Phase (line) display change
A phase (line) display of voltage is changed. (Everything which is being indicated)
A change is performed by DISPLAY .
This operation can perform the maximum and the minimum display other than instantaneous measurement display.
In addition, after changing a phase (line) display, if a switch is not operated for 10 minutes, it will returnto the original phase (line) display automatically.
In maximum display and minimum display, even if a switch is not operated for 10 minutes, it does not return tothe original display.
Setting can perform same operation in external operation input. Please refer to "5.3.2 Setting mode 2, (3) external
operation input setting" about the setting method. Please refer to "6.3 Option" about external operation input.
Maximum zero-phasevoltage display

No operation 10 minutes

DISPLAYDISPLAY

V(RY) display V(YB) display V(BR) display(Default display)

15

DISPLAYSMLC-208-001

4.3.3 Ground fault phase detection display change
A measurement display and a ground fault phase detection display are changed. A change is performed by MODE .
This operation can perform the maximum and the minimum display other than instantaneous measurement display.
In addition, even if it elapses for 10 minutes without operating a switch, it does not return to the original display.
And, a display is held even if it performs power supply reset. And, each maximum value and the minimum value
are always updated by the newest value.
Besides switch operation, it can change to a ground fault phase detection screen automatically by setup at thecase of ground fault phase detection. Please refer to "5.3.1 Setting mode 1 (4) zero-phase voltage detection
setting" about the setting method.

Measurement display(Instantaneous measurement display ，Maximum, minimum measurement
display )MODE

Ground fault phase detection display＊ A ground fault phase constitutes the minimum value of a RW-YW-BW phase voltage.
However, if a high order circuit breaker is switched OFF at the case of zero-phase voltage detection, all theminimum values of RW-YW-BW will be 0V.
In that case, please check a ground fault phase at the maximum value of RW-YW-BW phase voltage.
4.3.4 Setting value check
A voltage range (VT ratio) and an alarm output set point are checked.
Check is RESET/SHIFT and － are pushed simultaneously and performed.
The change of a set point is carries out by ＋ and － .
This operation can perform a ground fault phase detection display and the maximum and minimum display otherthan a general measurement display. DISPLAY is pushed in case it returns to the original measurement display.
And, if a switch is not operated for 10 seconds after a set point check, it will return to the original measurement
display automatically.

Maximum zero-phasevoltage display< Set value check >Voltage range (VT ratio)
VT ratio

No operation
10 seconds
RESET/SHIFT

＋

＋

＋ －

Zero-phasevoltage
range－

DISPLAY

V(RY) display V(YB) display V(BR) display

Input rating voltage display

Instantaneous measurement display

Factor display

＋

－
－

－
Alarm output 2
Time interval＋

Alarm output 2
factor，
Return method

16

＋

－
Alarm output 1
Time interval＋

Alarm output 1
factor，
Return method－

SMLC-208-001

4.3.5 Setting mode
Various kinds of setting are performed. Setting mode is three types, and operations are different.
DISPLAY is pushed in case it returns to the original measurement display. And, if a switch is not operated
for 10 minutes after a set point check, it will return to the original measurement display automatically.
Operation and the contents of setting (detail) in setting mode, please refer to "5 Setting".
・Setting mode 1：Press SET for longer than 3 seconds.
・Setting mode 2：Press SET and RESET/SHIFT together for longer than 3 seconds.
・Setting mode 3：Press SET and DISPLAY together for longer than 3 seconds.
<Reference> This operation can perform the maximum, the minimum display, and a ground fault phase detection
display besides an instantaneous measurement display.
Maximum zero-phasevoltage display

New setting

No operation
10 minutes

Setting No.

Current setting

SET 3 seconds
SET ＋ RESET/SHIFT 3 seconds

SET ＋ DISPLAY 3 seconds

V(RY)displayV(YB)display

Setting mode 1

V(BR)display

Setting factor
Current setting
New setting

Instantaneous measurement
display
DISPLAY or 10 minutes
no operation.
Return to measurement
display.

Setting mode 2

Setting No.

Current setting
Setting No. New setting

Setting mode 3

17

SMLC-208-001

4.3.6 Reset
Various kinds of reset are performed. The kind of reset is as follows and operations are different, respectively.
Reset of maximum value and minimum value (it updates to the instantaneous value at the time)，
Alarm output reset (OFF of an alarm output (at the case of manual reset setting)).
And, the operation from each measurement display constitutes conditions at each reset.
(1) Reset of maximum value and minimum value
Reset of the various measurement values of maximum value and minimum value is performed.
This reset has two types of methods. (How to perform according to a measurement factor individual.
How to reset all maximum values and minimum values by package.)<Caution> After a startup, needed is reset of maximum value and minimum value.
a) Individual reset
Reset of only a certain differential maximum value or the minimum value is performed.
Other maximum values and minimum values are not reset by this operation.
① A measurement factor to reset is displayed. (Maximum value, minimum value display)② Press RESET/SHIFT for longer than 1 seconds.
<Caution> An alarm output will be reset if this operation is performed by instantaneous measurement display.
Please be sure to perform this operation after displaying the maximum value and a minimum value
measurement factor to make it reset.
Instantaneous display

The range of minimum to maximum
is displayed in bar graph.

RESET/SHIFT
1 second

Minimum display

Minimum display(Reset)Maximum display

Instantaneous
display
Reset completion.

Maximum, Minimum measurement display.

Maximum display(Reset)b) Package reset
Reset of all the maximum values and minimum value is performed.
In addition, setting can perform same operation in external operation input.
Please refer to "5.3.2 Setting mode 2 (3) external operation input setting" for the setting method,
Please refer to "6.3 Option" for the external operation input,① Press RESET/SHIFT and ＋ together for longer than 1 second.
By the maximum and the minimum measurement display and ground fault phase detection display.
Instantaneous display

The range of minimum to maximum
is displayed in bar graph.

RESET/SHIFT＋ ＋ 1 second

Minimum display

Maximum display

Minimum display (Reset)

Maximum display (Reset)

Instantaneous display
Maximum, Minimum measurement display.

Reset completion.
18

SMLC-208-001(2) Alarm reset
In case an alarm return method is set to “HOLD (manual return)”, an alarm output is reset (output OFF).
(With an alarm output option)
However, an output is not turned off by this operation, in case an alarm continues and it has caused.
And, this operation is unnecessary in case setting as "AUTO (automatic return)” in alarm return method.
(By which an output is also OFF according to an alarm return.)
In case the number of alarm outputs is two, both outputs are reset (output OFF) by this operation.
(Return operation that comes out individually cannot be performed.)
In addition, setting can perform same operation in external operation input.
Please refer to "5.3.2 Setting mode 2 (3) external operation input setting" for the setting method,
Please refer to "6.3 Option" for the external operation input,① By An instantaneous measurement display or ground fault phase detection display, RESET/SHIFT is pushed
1 second or more.
<Caution> If this operation is performed by the maximum and the minimum measurement display, the maximum
value and minimum value of the measurement factor currently displayed will be reset.
Please be sure to perform this operation in the state of an instantaneous measurement display or
ground fault phase detection display.
Alarm detection (Hold)RESET/SHIFT
1 second

Instantaneous measurement display(General measurement display)

Reset completion

19

SMLC-208-001

5. Setting
5.1 Function table
This product has each function setting with a front switch.
Setting mode 1. Function table
Set No.

Function

Default
settingFunctional description

ImportantPage
setting

Set the display combination pattern of the digital 4
displays and bar graph display.

Pattern 1

Main monitor

Set the display factor of digital main monitor.

MVo

○

26,27

Sub-monitor (left)

Set the display factor of digital sub-monitor (left).

V(RY)

○

26,27

114

Sub-monitor (center) Set the display factor of digital sub-monitor (center). V(YB)

○

26,27

115

Sub-monitor (right)

Set the display factor of digital sub-monitor (right). V(BR)

○

26,27

116

Bar graph

Set the display factor of bar graph.

MVo＋Vo○26,27

121AL ( ) Alarm 1 factor

Set the output factor of alarm 1.

Vo

○

28

Alarm 1 return
122AL (８)methodAutomatic
Set the output action at the case of reset of alarm 1.
reset

28

123AL (８) Alarm 1 test

Output test of alarm 1 is performed.

28

111

Display pattern

112
113

８

８

○

－

124AL ( ) Alarm 2 factor

Set the output factor of alarm 2.

OFF

Alarm 2 return125AL ( )methodSet the output action at the caseof reset of alarm 2.

Automatic
reset

28

126AL (８) Alarm 2 test

Output test of alarm 2 is performed.

－

28

８

131H
132L

3-phase voltage
upper limit
3-phase voltage
lower limit

○

26,27

28

Set the high-alarm value of 3-phase voltage.

OFF

29

Set the low-alarm value of 3-phase voltage.

OFF

29

133

Demand time interval Set the demand time interval of line voltage.

0 second

○

29

141H

Zero-phase voltage
upper limit

5280V

○

30

Set the high-alarm value of zero-phase voltage.

142

Response time

Set the measurement response time of zero-phase voltage. 0.1 seconds

○

30

143

Ground fault phasedetection display
ON/OFFAt the case of ground fault detection, it sets whether ascreen is automatically changed to a ground fault phase OFF
detection display.

○

30

151

Backlight action

Set the ON/OFF of backlight.

AUTO OFF

31

152

Backlight
brightness

Set the brightness of backlight.

3（Middle）

31

Note(８) A setting item is not displayed in case there is no corresponding option.

20

SMLC-208-001

Setting mode 2.

Function table

Set No.

Function

Default
settingFunctional description

211

Voltage range

Set the voltage measurement range (VT ratio).

212

Zero-phase voltage
scale

213

Frequency range

Display ON/OFF of ×1/√3 is set as a scale of zero-phase ×1/√3
voltage.
display OFF
Set the full scale of frequency meter. And, set this45.0 to 65.0Hz
output range of analog output.

221A (９)6600V

ImportantPage
setting

○

32

○

32
32

AO1 output factor

Set the output factor of AO1 (analog output 1).

MVo

○

33

222A ( )AO2 output factor

Set the output factor of AO2 (analog output 2).

V(RY)

○

33

223A (９)AO3 output factor

Set the output factor of AO3 (analog output 3).

V(YB)

○

33

Set the output factor of AO4 (analog output 4).

V(BR)

○

33

９

９

224A ( )225A (９)AO4 output factor
Low input cut

231

(９)

External operation
input 1 function

232

(９)

External operation
input 2 function

Set the function which makes a lower limit the output at OFF
the case of small input (3-phase voltage is 0.5% or less. (Nozero-phase voltage is 1.0% or less) in analog output. operation)
Alarm reset
Set the function of the external operation input 1.
(10)
Maximum /Set the function of the external operation input 2.
Minimum reset
(10)

33
○

34

○

34

Phase voltage ON/OFF Set the ON/OFF of phase voltage measurement display.

ON (11)35

242

Line voltage ON/OFF Set the ON/OFF of line voltage measurement display.

ON

35

243

Zero-phase voltage
ON/OFF

Set the ON/OFF of zero-phase voltage measurement display. ON

35

241

244

Frequency ON/OFF

Set the ON/OFF of frequency measurement display.

ON

35

251

Initialization ofsetting value

All set values are initialized. (Return to initial set－
value)

35

Setting mode 3. Function table
Set No.

Function

Functional description

Default
setting

ImportantPage
settingZero-phase input
voltage

Set the zero-phase input voltage.

190V (13)

○

36

312

Rated frequency

Set the rated frequency of a zero-phase input is set.

50Hz

○

36

321

Measurement deadband

Set the dead band of measurement display.

0.0％

37

Set the analog output specification.

DC1 to 5V or
DC0 to 5V(Designation)

37

311

331

(９)
(12)

Analog output
specification

341

(９)

AO1 BIAS adjustment Set the BIAS value of AO1 (Analog output 1).

0.0％

37

342

(９)

AO1 SPAN adjustment Set the SPAN value of AO1 (Analog output 1).

100.0％

37

343

(９)

AO2 BIAS adjustment Set the BIAS value of AO2 (Analog output 2).

0.0％

37

344

９

( )

AO2 SPAN adjustment Set the SPAN value of AO2 (Analog output 2).

100.0％

37

345

(９)

AO3 BIAS adjustment Set the BIAS value of AO3 (Analog output 3).

0.0％

37

346

９

( )

AO3 SPAN adjustment Set the SPAN value of AO3 (Analog output 3).

100.0％

37

347

９

( )

AO4 BIAS adjustment Set the BIAS value of AO4 (Analog output 4).

0.0％

37

348

(９)

AO4 SPAN adjustment Set the SPAN value of AO4 (Analog output 4).

100.0％

37

Note(９) A setting item is not displayed in case there is no corresponding option.
Note(10) This is initial value with an alarm output option. An initial value when there is no alarm output option
constitutes the following.
Input 1：Maximum / Minimum reset
Input 2：Measurement factor change
Note(11) In the case of line voltage input specification, an initial value constitutes OFF.
Note(12) Setting item is not displayed other than analog output DC0 to 5V or DC1 to 5V specification.
Note(13) An initial value is set to 110V in case a zero-phase voltage channel range is 150V.

21

SMLC-208-001

5.2 Setting table
A setting item changes by the specification of a product, or the existence of an option.
(1) Important setting
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting of
measurement rangeof voltmeter(211)

Setting ofzero-phase voltage
scale.
(212)

Setting of display
combination.
(111)

Setting and operation procedures
Press SET and RESET/SHIFT together for longer than 3 seconds(211)
Select a measurement range by ＋ and －Press SET
Selected measurement range is entered

Press DISPLAY

Page

32

Returns to display mode.

Press RESET/SHIFT
Press SET and RESET/SHIFT together for longer than 3 seconds(211)
Select a zero-phase voltage scale by ＋ and －Press SET
(212)
Selected zero-phase voltage is entered
Press DISPLAY
Returns to display mode.
Select the display combination by ＋ and －Press SET for longer than 3 seconds(111)
Press SET
Selected display combination is entered
Press DISPLAY

32

26,27

Returns to display mode.
Setting of output
factor in analog
output 1 (AO1).
(221A)

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds(211)(221A)
Select an output factor by ＋ and －Press SET
Selected output factor is entered

Press DISPLAY

33

Returns to display mode.

Setting of output
factor in analog
output 2 (AO2).
(222A)

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds(211)(221A)
Press RESET/SHIFT
Select an output factor by ＋ and －Press SET(222A)
Selected output factor is entered
Press DISPLAY
Returns to display mode.

33

Setting of output
factor in analog
output 3 (AO3).
(223A)

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds(211)(221A)
Press RESET/SHIFT
Press RESET/SHIFT
Select an output factor by ＋ and －(222A)(223A)
Press SET
Selected output factor is entered
Press DISPLAY
Returns todisplay mode.

33

Setting of output
factor in analog
output 4 (AO4).
(224A)

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds(211)(221A)
Press RESET/SHIFT
Press RESET/SHIFT
Press RESET/SHIFT(222A)(223A)(224A)
Select an output factor by ＋ and －Press SET
Selected output factor is entered

Press DISPLAY

33

Returns to display mode.

Setting of factor
in alarm output 1.
(121AL)

Press MODE
Select an factor by ＋ and －Press SET for longer than 3 seconds(111)(121AL)
Press SET
Selected factor is entered
Press DISPLAY
Returns todisplay mode.

28

Setting of factor
in alarm output 2.
(124AL)

Press MODE
Press RESET/SHIFT
Press SET for longer than 3 seconds(111)(121AL)(122AL)
Press RESET/SHIFT
Press RESET/SHIFT
Select an factor by ＋ and －(123AL)(124AL)
Press SET
Selected factor is entered
Press DISPLAY
Returns to display mode

28

22

SMLC-208-001

Items

Setting and operation procedures

Page

Setting of external
operation input 1
function.
(231)

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds(211)(221A)
Press MODE
Select an function by ＋ and －Press SET
(231)
Selected function is entered
Press DISPLAY
Returns to display mode.

34

Setting of external
operation input 2function.
(232)

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds(211)(221A)
Press MODE
Press RESET/SHIFT
Select an function by ＋ and －Press SET
(231)
(232)
Selected function is entered
Press DISPLAY
Returns to display mode.

34

Setting ofzero-phase input
voltage.
(311)

Setting of rated
frequency inzero-phase input.
(312)

Press SET and RESET/SHIFT together for longer than 3 seconds(311)
Select an input voltage by ＋ and －Press SET
Selected input voltage is entered

Press DISPLAY

36

Returns to display mode.

Press RESET/SHIFT
Press SET and RESET/SHIFT together for longer than 3 seconds(311)
Select an input rated frequency by ＋ and －Press SET
(312)
Selected input rated frequency is entered
Press DISPLAY
Returns to display mode

(2) A combination except a display pattern.
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures
Setting of display
factor in
main-monitor.
(112)

Setting of display
factor in
sub-monitor (left).
(113)

Press RESET/SHIFT
Press SET for longer than 3 seconds
(111)
(112)
Select an display factor by ＋ and －Press SET
Selected display factor is entered

Press DISPLAY

Press DISPLAY

Page

26,27

Returns to display mode.

Press RESET/SHIFT
Press RESET/SHIFT
Press SET for longer than 3 seconds
(111)
(112)
(113)
Press SET
Select an display factor by ＋ and －Selected display factor is entered

36

26,27

Returns to display mode.

Setting of display
factor in
sub-monitor(center).
(114)

Press RESET/SHIFT
Press RESET/SHIFT
Press SET for longer than 3 seconds
(111)
(112)
(113)
Press RESET/SHIFT
Select an display factor by ＋ and －Press SET
(114)
Selected display factor is entered
Press DISPLAY
Returns to display mode.

26,27

Setting of display
factor in
sub-monitor(right).
(115)

Press RESET/SHIFT
Press RESET/SHIFT
Press SET for longer than 3 seconds
(111)
(112)
(113)
Press RESET/SHIFT
Press RESET/SHIFT
Select an display factor by ＋ and －
(114)
(115)
Press SET
Selected display factor is entered
Press DISPLAY
Returns todisplay mode.

26,27

Setting of display
factor inbar-graph.
(116)

Press RESET/SHIFT
Press RESET/SHIFT
Press SET for longer than 3 seconds
(111)
(112)
(113)
Press RESET/SHIFT
Press RESET/SHIFT
Press RESET/SHIFT
(114)
(115)
(116)
Select an display factor by ＋ and －(If a sub-monitor is selected, an under-bar will
be displayed on the bottom of a digital display.)
Press SET

Selected display factor is entered

23

Press DISPLAY

Returns todisplay mode.

26,27

SMLC-208-001(3) Setting of frequency measurement range
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures
Setting of
measurement range
in frequency.
(213)

Press RESET/SHIFT
Press SET and RESET/SHIFT together for longer than 3 seconds(211)
Press RESET/SHIFT
Select a measuring range by ＋ and －Press SET
(212)
(213)
Selected measuring range is entered
Press DISPLAY
Returns to display mode.

(4) Setting of analog output.
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures
Setting of output
Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds
cut function at the(211)(221A)
case in minute input
Press RESET/SHIFT
Press RESET/SHIFT
Press RESET/SHIFT
Press RESET/SHIFT(3-phase voltage is(222A)(223A)(224A)
0.5％ or less,
Select a low Input cut ON/OFF by ＋ and －Press SET
zero-phase voltage(225A)
is 1.0％ or less).
Press DISPLAY
Returns to display mode.
Selected action is entered(225A)(5) Setting of alarm output.
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures
Setting of return
method in alarm
output 1.
(122AL)

Setting of return
method in alarm
output 2.
(125AL)

Press MODE
Press RESET/SHIFT
Press SET for longer than 3 seconds(111)(121AL)(122AL)
Select a return method by ＋ and －Press SET
Selected return method is entered

Press DISPLAY

Press DISPLAY

Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Select a high-alarm value by ＋ and －Press SET
Selected high-alarm value is entered

Press DISPLAY

Page

33

Page

28

28

Returns to display mode.

(6) Setting of 3-phase voltage detection.
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures
Setting of
high-alarm value in
3-phase voltage.
(131H)

32

Returns to display mode.

Press MODE
Press RESET/SHIFT
Press SET for longer than 3 seconds(111)(121AL)(122AL)
Press RESET/SHIFT
Press RESET/SHIFT
Press RESET/SHIFT(123AL)(124AL)(125AL)
Select a return method by ＋ and －Press SET
Selected return method is entered

Page

Page

29

Returns to display mode.

Setting of
low-alarm value in
3-phase voltage.
(132L)

Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Press RESET/SHIFT
Select a low-alarm value by ＋ and －Press SET
(132L)
Selected low-alarm value is entered
Press DISPLAY
Returns to display mode.

29

Setting of demand
time interval in aline voltage.
(133)

Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Press RESET/SHIFT
Press RESET/SHIFT
Select a time interval by ＋ and －(132L)(133)
Press SET
Selected time interval is entered
Press DISPLAY
Returns todisplay mode.

29

24

SMLC-208-001(7) Setting of zero-phase voltage detection.
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures

Page

Setting of
high-alarm value inzero-phase voltage.
(141H)

Press MODE
Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Select a high-alarm value by ＋ and －Press SET(141H)
Selected high-alarm value is entered
Press DISPLAY
Returns to display mode.

30

Setting of
measurement
response time inzero-phase voltage.
(142)

Press MODE
Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Press RESET/SHIFT
Select a response time by ＋ and －Press SET(141H)(142)
Press DISPLAY
Returns to display mode.
Selected response time is entered

30

Setting of
automatic change
ON/OFF to ground
fault phasedetection display.
(143)

Press MODE
Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Press RESET/SHIFT
Press RESET/SHIFT
Select a function by ＋ and －(141H)(142)(143)
Press SET
Selected function is entered
Press DISPLAY
Returns to display mode

30

(8) Backlight setting
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures
Setting of action
in backlight.
(151)

Setting ofbrightness inbacklight.
(152)

Press MODE
Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Press MODE
Select a backlight action by ＋ and －Press SET(141H)(151)
Selected backlight action is entered
Press DISPLAY
Returns to display mode.
Press MODE
Press MODE
Press MODE
Press SET for longer than 3 seconds(111)(121AL)(131H)
Press MODE
Press RESET/SHIFT
Select a brightness by ＋ and －(141H)(151)(152)
Press SET
Selected backlight brightness is entered
Press DISPLAY

Page

31

31

Returns to display mode.
(9) Other, measurement setting
Each parenthesized number shows a setting number and this number is displayed on the setting screen.
Items
Setting and operation procedures

Page

Press MODE
Press SET and RESET/SHIFT together for longer than 3 seconds
(311)
(321)
Press SET
Select a dead band value of measurement by ＋ and －37

Setting of deadband in measurement
display.
(321)

The dead band value of display is entered

25

Press DISPLAY

Returns to display mode

SMLC-208-001

5.3 Setting in detail explanation
5.3.1 Setting mode 1SET
3 seconds

Setting mode 1 is selected by pressing
SET switch for longer than 3 seconds.
Pushing MODE switch performs movementof setting item.
The present mode can be returned tothe display mode by pressing DISPLAY
switch.

111 to 116
Display setting

DISPLAY

MODE
121AL to 126AL
Alarm output setting

DISPLAY< Caution >If setting change should have been
mistaken, an alarm output is not obtainedcorrectly.
Therefore, users must not set.
The setting item without the corresponding
option is not displayed.

MODE
Display mode

DISPLAY(Measurement
display)

131H to 133
3-phase voltage detection setting
MODE

DISPLAY

141H to 143
Zero-phase voltage detection setting
MODE
151 to 152
Backlight setting

DISPLAY

Setting mode 1

MODE(1) 111 to 116 Display combination setting№

Pattern №

Main monitor

1
2
3
4
5
6
7

Pattern 1
Pattern 2
Pattern 3
Pattern 4
Pattern 5
Pattern 6
Pattern 7

MVo
MVo
V(RY)
MVo
Vo
Vo
Vo

Sub-monitor(Left)
V(RY)
V(RW)
V(YB)
V(RY)
V(RY)
V(RW)
V(RY)

Sub-monitor(Center)
V(YB)
V(YW)
V(BR)
－
V(YB)
V(YW)
－

Sub-monitor(Right)
V(BR)
V(BW)
Hz
Hz
V(BR)
V(BW)
Hz

Bar graph● Displays set factor (14)Measurement factor
Displays factor
Voltage (VRY，VYB，VBR，VRW，VYW，VBW)，Maximum zero-phase voltage (MVo)，
Main monitor
Zero-phase voltage (Vo)，Frequency (Hz)Sub-monitor (Left)
Voltage (VRY，VYB，VBR，VRW，VYW，VBW)
Sub-monitor (Center)
Voltage (VRY，VYB，VBR，VRW，VYW，VBW)
Sub-monitor (Right)
Voltage (VRY，VYB，VBR，VRW，VYW，VBW)，Frequency (Hz)
Voltage (VRY，VYB，VBR，VRW，VYW，VBW)，Maximum zero-phase voltage (MVo)，
Bar graph
Zero-phase voltage (Vo)，Frequency (Hz)● Phase (line) change (15)

● Measurement factor change (Measurement display mode) (14)

V(RY)

V(YB)

V(BR)

MVo

Vo

V(RW)

V(YW)

V(BW)

V(RW)

V(YW)

V(BW)

V(RY)

V(YB)

V(BR)

Hz

Nothing

Note(14) V(RW),V(YW),V(BW) becomes only phase voltage input products.
Note(15) If DISPLAY is pushed, a phase voltage and a line voltage will change.

26

MVo＋VoMVo＋VoV(RY)
V(RY)
MVo＋VoMVo＋VoV(RY)SMLC-208-001● Display combination setting
RESET/SHIFT
111
Combination
display

RESET
/SHIF

Main monitor

RESET
/SHIF

113
Sub-monitor(Left)

RESET
/SHIF

114
Sub-monitor(Center)

RESET
/SHIF

115
Sub-monitor(Right)Pattern 1

MVo：1

V(RY)：4

V(YB)：5

V(BR)：6

＋

＋

＋

＋

＋

－

Pattern 2
＋

－

－

＋

－

V(YB)：5

Vo：2
－

＋

－

＋

＋

－

V(BR)：6

Nothing：0

Nothing：0

＋

＋

＋

＋

＋

－

＋

－

V(YW)：4
＋

－

－

＋

－

＋

＋

－

－

－

Nothing：0＋

V(BW)：5

Pattern 5
＋

－

－

＋

－

－

V(RW)：1

V(YW)：2

＋

＋

－

＋

－

＋

＋

－

Pattern 6

V(BW)：3

V(BW)：3

＋

＋

＋

＋

＋

Pattern 7

V(YB)：7＋＋－

Manual setting
value：0
At the cases otherthan a display
combination
pattern, it becomesmanual setting.

－

－

＋

－

＋
－

－

Sub-monitor：Right－Default setting－

V(YB)：5

V(BR)：8＋－

V(RY)：4

V(RY)：4

V(BW)：3－－

V(YW)：2－＋

Sub-monitor：Center

V(YW)：2

V(RY)：6

－

＋

－

－

－

Sub-monitor：Left

V(RW)：1－

V(RW)：1＋＋－

V(RW)：3

116
Bar graphfactorMain monitor

Hz：7

V(BR)：6

－

RESET
/SHIF

－

Pattern 3

Pattern 4
＋

112

－

Hz：9
＋

－

※ V(RW),V(YW),V(BW) of each monitor, become only phase voltage input products.

Nothing：0◆ 111 Combination display
Select the factors to be measured and monitored by 4 digital displays
out of combination patterns.
Set values are updated by SET .
◆ 112 to 115 Main monitor, Sub-monitor (left), Sub-monitor (center),
Sub-monitor (right)
Set these items for a display configuration other than combined
patterns. Set values are updated by SET .
◆ 116 Bar graph factor
A factor being monitored in the main monitor is basically displayed
by a bar graph. Set this item for displaying a factor being monitored
on a sub-monitor by bar graph. An underbar is attached to the digital
display of the setting sub-monitor.
Set values are updated by SET .
Setting №

Underbar

27

Setting №

New setting
Current setting

SMLC-208-001(2) 121AL to 126AL Alarm output setting 【With an alarm output option】
Various setting and an output test are performed about an alarm output.
And, it sets about the corresponding alarm output.
121AL
Alarm 1 factor
RESET/SHIFT

126AL
Alarm 2 test

122AL
Alarm 1
return method

RESET/SHIFT

125AL
Alarm 2
return method

RESET/
SHIFT

123AL

RESET/
SHIFT

Alarm 1 test

124AL

RESET/SHIFT◆ 121AL Alarm 1 factor setting，124AL Alarm 2 factor setting.
The output factor of alarms 1 and 2 is setting.
Selection by ＋ and － , set value is updated by SET .

RESET/
SHIFT

Alarm 2 factor

New setting

Current setting

Initial set value：ALARM 1 (Zero-phase voltage)
ALARM 2 OFF (None)

Setting No.

＋
OFF：
Nothing＋

1：Zero-phase＋－voltage－

2：3-phase voltage(Line voltage)－◆ 122AL Alarm 1 reset method setting，125AL Alarm 2 reset method setting
Output action at the case of a reset of alarms 1 and 2 can be selected from AUTO (automatic reset) and HOLD
(manual reset).
In "AUTO (automatic reset)", an alarm output also constitutes OFF according to a reset of an alarm.
In "HOLD (manual reset)", even after an alarm reset, an output holds ON.
The reset in this case (output OFF) is performed in RESET/SHIFT .
Selection by ＋ and － , set value is updated by SET .
Default setting：AUTO (Automatic reset)＋
AUTO(Automatic reset)

＋
－

HOLD
(Manual reset)－◆ 123AL Alarm 1 test，126AL Alarm 2 test
The output of alarms 1 and 2 is tested. While pushing SET , an output is ON, and if it detaches, an output
switches OFF. About a reset of an alarm, it becomes action united with reset method setting (automatic reset/ manual reset) of each alarm output.
Setting No.

Status of output

Setting No.

Status of output

SET(Output OFF)

(Output ON)
Alarm 1 test

28

SMLC-208-001(3) 131H to 133 3-phase voltage detection setting
A 3-phase voltage factor performs a setting of a high-alarm value and a low-alarm value.
131H3-phase voltage
upper limit

RESET/
SHIFT

132L
3-phase voltage
lower limit

RESET/
SHIFT

133
Demand timeinterval

New setting
Current setting
Setting No.

RESET/SHIFT◆ 131H 3-phase voltage upper limit，132L 3-phase voltage lower limit
The high-alarm value and low-alarm value of 3-phase voltage (linevoltage) are setting.
Setting range. 30 to 150％ (1％ step) and OFF (Non use).
Selection by ＋ and － , set value is updated by SET .
Default setting：OFF〔Non use〕(Upper limit, Lower limit)◆ 133 Demand time interval
The demand time interval of a line voltage is setting.
Selection by ＋ and － , set value is updated by SET .
Default setting：0 second
0sec＋(Nothing)

－
－
＋

5sec

4min

5min
－
＋

30min

＋
－
－
＋
＋
－
－
＋

10sec

3min

6min

25min

＋
－
－
＋
＋
－
－
＋

20sec

2min

7min

20min

29

3-phase voltage upper limit

＋
－
－
＋
＋
－
－
＋

30sec

1min

8min

15min

＋
－
－
＋
＋
－
－
＋

40sec

＋
－

50sec

9min

10min

＋
－

SMLC-208-001(4) 141H to 143 Zero-phase voltage detection setting
Setting of the alarm value of a zero-phase voltage factor, the response time, and a display change is performed.
141H
Zero-phasevoltage upper
limit

142
RESET/
SHIFT

Response timeRESET/SHIFT

143
Ground fault phasedetection display
automatic change

New setting
Current setting
Setting No.

RESET/SHIFT◆ 141H Zero-phase voltage upper limit
The upper limit of zero-phase voltage is setting.
Setting range. 5 to 150％ (1％ step) and OFF (Non use).
Selection by ＋ and － , set value is updated by SET .
Default setting：5280V
Zero-phase voltage upper limit◆ 142 Response time
The response time (90% response) of zero-phase voltage is setting.
Selection by ＋ and － , set value is updated by SET .
Default setting：0.1 seconds
0.05sec

0.1sec0.15sec

0.2sec0.5sec

5sec

3sec

2sec

1sec

◆ 143 Ground fault phase detection display automatic change
Set the whether it changes from a measurement display (an instantaneous
measurement display, the maximum, and the minimum measurement display)
to a ground fault phase detection display automatically at the case ofground fault phase occurrence.
Selection by ＋ and － , set value is updated by SET .
Default setting：OFF (Not change)

New setting
Current setting
Setting No.

Response time
New setting
Current setting
Setting No.

<Caution> In addition to this setting, the display can be switched to
the ground fault detection display by a switch operation.
Please refer to "4.3.3 Ground fault phase detection display
change" about switch operation.

Zero-phase voltage upper limit

30

SMLC-208-001(5) 151 to 152 Backlight setting
Set the action and brightness of backlight.
151
Backlight action

RESET/SHIFT

152
Backlight brightness

RESET/SHIFT

New setting

Current setting◆ 151 Backlight action
The backlight operation can be selected from ON (always on), AUTO (autooff), and OFF (always off).
If 5 minutes elapses without operating a switch in case it is set as"AUTO (auto off)", backlight will go out automatically.
After that, backlight will be turned on if either of switches is operated.
Selection by ＋ and － , set value is updated by SET .
Default setting：AUTO (Auto off)
AUTO：
Auto off

＋

OFF：

＋

ON：

－

Always off－

Always on－＋◆ 152 Backlight brightness
It can select the brightness of backlight as five steps of 1 to 5.
Backlight becomes the darkest if it is set as "1".
Backlight becomes the brightest if it is set as "5".
Selection by ＋ and － , set value is updated by SET .
Default setting：3 (Middle)

Setting No
Setting factor
Backlight
Setting54321Brightness
BrightDark

5.3.2 Setting mode 2
SET andRESET/SHIFT
3 seconds

DISPLAY

211 to 213
Measurement range setting
MODE

DISPLAY

221A to 225A
Analog output setting
MODE

Display mode
(Measurement
display)

DISPLAY

231 to 232
External operation input setting
MODE

DISPLAY

241 to 244
Measurement ON/OFF setting
MODE

DISPLAY251
Initialization of setting value.

Setting mode 2

MODE

Setting mode 2 is selected by pressing SET and RESET/SHIFT switches continuously for longer than 3 seconds.
Pushing MODE switch performs movement of setting item.
The present mode can be returned to the display mode by pressing DISPLAY switch.
< Caution >If setting change should have been mistaken, a display and output of measurement are not obtained correctly.
Therefore, users must not set. The setting item without the corresponding option is not displayed.
31

SMLC-208-001(1) 211 to 213 Measurement range setting
The measurement range of each measurement factor is set.
211
Voltage range

RESET/SHIFT

212
Zero-phasevoltage scale

RESET/SHIFT

213
Frequency range

RESET/SHIFTNew setting
Current setting
Setting No.

◆ 211 Voltage range
A voltage range (VT ratio) is setting.
Selection by ＋ and － , set value is updated by SET .
Default setting：6600V
Setting factor

Voltage measurement range (34 range)
150.0V(110V)
150V (110V)
300.0V(220V/110V)
300V (220V/110V)
518V (380V/110V) (16)600V (440V/110V)
627V (460V/110V) (17)655V (480V/110V) (17)1200V (880V/110V)
1500V (1100V/110V)
2250V (1650V/110V) (18)3000V (2200V/110V)
3.00kV (2200V/110V)
4500V (3300V/110V)
4.50kV (3300V/110V)
9000V (6600V/110V)
9.00kV (6600V/110V)

15.00kV (11kV/110V)
18.00kV (13.2kV/110V)
18.82kV (13.8kV/110V) (19)22.50kV (16.5kV/110V) (20)25.09kV (18.4kV/110V) (21)30.0kV (22kV/110V)
45.0kV (33kV/110V)
90.0kV (66kV/110V)
105.0kV (77kV/110V) (22)150.0kV (110kV/110V)
180.0kV (132kV/110V)
210.0kV (154kV/110V)
255.0kV (187kV/110V) (23)300.0kV (220kV/110V)
375.0kV (275kV/110V) (24)518.2kV (380kV/110V) (25)750.0kV (550kV/110V)

Voltage range
Note(16) The full scale of bar graph is 500V.
Note(17) The full scale of bar graph is 600V.
Note(18) The full scale of bar graph is 2400V.
Note(19) The full scale of bar graph is 18.00kV.
Note(20) The full scale of bar graph is 24.00kV.
Note(21) The full scale of bar graph is 25.00kV.
Note(22) The full scale of bar graph is 120.0kV.
Note(23) The full scale of bar graph is 270.0kV.
Note(24) The full scale of bar graph is 400.0kV.
Note(25) The full scale of bar graph is 500.0kV.

◆ 212 Zero-phase voltage scale
Display ON/OFF of ×1/√3 is set as a scale of zero-phase voltage.
Selection by ＋ and － , set value is updated by SET .
Default setting：×1/√3 display OFF
×1/√3
display OFF

New setting

×1/√3
display ON

Setting No.
Setting factor
Current setting
Zero-phase voltage scale◆ 213 Frequency range
Frequency measurement range can be selected from 45.0 to 55.0Hz /55.0 to 65.0Hz / 45.0 to 65.0Hz. Change of this setting also sets theanalog output range of a frequency automatically simultaneously.
Selection by ＋ and － , set value is updated by SET .
Default setting：45.0 to 65.0Hz
50：
45.0 to 55.0Hz

60：
55.0 to 65.0Hz

Setting factor

New setting

55：
45.0 to 65.0Hz

Setting No.
Current setting
Frequency range

32

SMLC-208-001(2) 221A to 225A Analog output setting 【With an analog output option】
Various setting of analog output is performed.
221A
Ao1 output factor

RESET/SHIFT

222A
Ao2 output factor

RESET/SHIFT

223A
Ao3 output factor

RESET/SHIFT

225A
Low input cut

RESET/SHIFT

224A
Ao4 output factor

New setting
Setting No.
Current setting
RESET/
SHIFT◆ 221A to 224A AO(analog output)1 to 4 output factor.
Set the output factor of each analog outputs.
Selection by ＋ and － , set value is updated by SET .
V(RW)，V(YW)，V(BW) becomes only phase voltage input product.
Default setting：AO1 MVo
AO2 V(RY)AO3 V(YB)
AO4 V(BR)Ao1 output factor

OFF：
Nothing

1：MVo

2：Vo

3：V(RW)

4：V(YW)

9：Hz

8：V(BR)

7：V(YB)

6：V(RY)

5：V(BW)◆ 225A Low input cut
This function which makes analog output a lower limit at the case of aminute input. A function can be selected from ON (Use) and OFF (Non use).
However, in case an output is frequency, a low input cut is not done.
Selection by ＋ and － , set value is updated by SET .
Default setting：OFF (Non use)
Cut value
Zero-phase voltage：Full scale 1.0％ or less.
Voltage：Full scale 0.5％ or less.

New setting

Current setting

Setting No.

Setting factor

Low input cut

33

SMLC-208-001(3) 231 to 232 External operation input setting 【With an external operation input option】
Various setting of external operation input is performed.
231
External operation
input 1 function

RESET/SHIFT

232
External operation
input 2 function

Setting factor

New setting

RESET/SHIFT

ALARM and RESET aredisplayed by turns.
(Alarm reset)◆ 231 External operation input 1 function,
232 External operation input 2 function

Measurement factors (V,Hz, etc.) and DISP aredisplayed by turns.
(Measurement factor
change)

The function of each external operation input(alarm reset, maximum / minimum reset,
measurement factor change, phase change) canbe selected.
Selection by ＋ and － , set value is
Setting No.

updated by SET .

Current setting

Default setting (With an alarm output option)
Alarm reset (External operation input 1)
Maximum / minimum reset (External operation input 2)
Default setting (With no alarm output option)
Maximum / minimum reset (External operation input 1)
Measurement factor change (External operation input 2)
ALARM RESET:
Alarm reset＋－

MAX./MIN. RESET：
Maximum / minimum reset＋－

Measurement factor DISP：
Measurement factor change＋－

R,Y,B DISP：
Phase change－＋

・About the setting display in an external operation input function
Function
Alarm reset
Maximum / minimum
reset
Measurement
factor change
Phase change

The contents of a display at the case of function setting"ALARM" and "RESET" are displayed by turns by 7
segment displays of the main monitor.
"RESET" is displayed by 7 segment displays of themain monitor. And, "MAX" and "MIN" display by turns.
"DISP" is displayed by 7 segment displays of the main
monitor. And, each measurement factor (units of V,
Hz, etc.) displays by turns.
"DISP" is displayed by 7 segment displays of the main
monitor. And, each phase (R, Y, B, W) displays byturns.

34"Current setting" "New setting"display point
display point

Sub-monitor(right)Main monitor

SMLC-208-001(4) 241 to 244 Measurement ON/OFF setting 【Phase voltage is only for phase voltage input product】
Measurement display ON/OFF setting of each measurement factor is performed.
Selection by ＋ and － , set value is updated by SET .
New setting
Default setting：ON (All measurement factors)
Setting No.
Current setting
241
Phase voltage

RESET/
SHIFT

242
Line voltage

RESET/SHIFT

243
Zero-phasevoltage

RESET/SHIFT

244
Frequency

RESET/SHIFT

Voltage ON/OFF(5) 251 Initialization of setting value.
Each set value is initialized (returns to default setting)◆ 251 Initialization of setting value
Each set value is initialized (returns to default setting).
Pushing SET for 3 seconds initializes all set values.

SET
3 seconds

Setting No.

Setting No.

Completion of
initializing(Before initialization)(Initialization completion)

Initialization of setting value

35

SMLC-208-001

5.3.3 Setting mode 3
SET and DISPLAY
3 seconds
311 to 312
Input circuit setting

DISPLAY

MODE
321
Dead band setting

DISPLAY
Display mode
(Measurement
display)MODE
DISPLAY

331
Analog output specification change
MODE
341 to 348
Analog output adjust

DISPLAY

Setting mode 3

MODE

Setting mode 3 is selected by pressing SET and DISPLAY switches continuously for longer than 3 seconds.
Pushing MODE switch performs movement of setting item.
The present mode can be returned to the display mode by pressing DISPLAY switch.
< Caution >If setting change should have been mistaken, a display and output of measurement are not obtained correctly.
Therefore, users must not set. The setting item without the corresponding option is not displayed.

(1) 311 to 312 Input circuit setting
It sets about the input voltage of zero-phase input, and rated frequency.
311
Zero-phase input voltage

RESET/
SHIFT

312
Rated frequency

RESET/SHIFT

New setting◆ 311 Zero-phase input voltage
It sets about a zero-phase input voltage.
Selection by ＋ and － , set value is updated by SET .
Default setting：190V

Current setting

Setting No.

<Caution>
If an actual input and an actual setup differ from each other,it becomes impossible to measure correctly. Please set correctly.

190V

110V

Zero-phase input voltage
New setting◆ 312 Rated frequency
The frequency of a zero-phase input is setting.
Selection by ＋ and － , set value is updated by SET .
Default setting：50Hz

Current setting

Setting No.

<Caution>
If an actual input and an actual setup differ from each other,it becomes impossible to measure correctly. Please set correctly.

50Hz

60Hz
Rated frequency
36

SMLC-208-001(2) 321 Dead band setting
Set the dead band of measurement display.
◆ 321 Measurement dead band
Set the dead band of measurement display.
By this setting, variation of less than this set
value is disregarded by 3-phase voltage, andzero-phase voltage measurement display.
Setting range. 0.0 to 2.0％ (0.1％ step).
Selection by ＋ and － , set value is updated
by SET .
Default setting：0.0％ (Nothing)

New setting
Current setting
Setting No.
Setting factor

Dead band of measurement(3) 331 Analog output specification setting 【With an analog output option (DC0 to 5V or DC1 to 5V)】
Set the specification of analog output (DC0 to 5V／DC1 to 5V).
Selection by ＋ and － , set value is updated by SET .
Default setting：DC1 to 5V or DC0 to 5V (Designation)
New setting＋

Current setting＋

0 to 5V－

1 to 5V
Setting No.

－

Setting factor

Analog output specification(4) 341 to 348 Analog output adjustment 【With an analog output option】
The bias and span of each analog output are adjusted.
341
Ao1 BIAS
adjustment
RESET/SHIFT

348
Ao4 SPAN
adjustment

RESET/SHIFTRESET/SHIFT

342
Ao1 SPAN
adjustment
347
Ao4 BIAS
adjustment

343
Ao2 BIAS
adjustment

RESET/SHIFT

346
Ao3 SPAN
adjustment

RESET/
SHIFT◆ 341 AO (Analog output) 1 bias adjustment,
343 AO (Analog output) 2 bias adjustment,
345 AO (Analog output) 3 bias adjustment,
347 AO (Analog output) 4 bias adjustment.

RESET/SHIFTRESET/SHIFT

344
Ao2 SPAN
adjustment
345
Ao3 BIAS
adjustment

RESET/SHIFT

New setting
Current setting

The bias of each analog output is adjusted.
Setting range：±10.0％ (0.1％ step)
Selection by ＋ and － , set value is updated
by SET .

Setting No.
Setting factor◆ 342 AO (Analog output) 1 span adjustment,
344 AO (Analog output) 2 span adjustment,
346 AO (Analog output) 3 span adjustment,
348 AO (Analog output) 4 span adjustment.

Ao1 span adjustment

The span of each analog output is adjusted.
Setting range：±10.0％ (0.1％ step)
Selection by ＋ and － , set value is updated by SET .

37

SMLC-208-001

6. Specification
6.1 Specification and intrinsic error

Phase voltage input
Input ratingLine voltage input

Measurement item

Zero-phase voltage (EVT tertiary) AC110V，190V common use
3-phase voltage (EVT secondary) AC110/√3V 50/60Hz
EVT secondary：V(RW)，V(YW)，V(BW)EVT tertiary ：Vaf
Zero-phase voltage (EVT tertiary) AC110V，190V common use
3-phase voltage (EVT secondary) AC110V 50/60Hz
EVT secondary：V(RY)，V(YB)，V(BR)EVT tertiary ：Vaf
Intrinsic error (27)
DigitalAnalogdisplay
outputMeasurement range /Display specification (26)

Voltage(Line voltage)

Instant or demand, Maximum, Minimum
AC150V to 750.0kV (34 ranges)

±1.0％

±0.5％

Voltage(Phase voltage)(28)

Instant, Maximum, Minimum
AC150V to 750.0kV (34 ranges)

±1.0％

±0.5％

Zero-phase voltage(29)

Instant, Maximum, Minimum
AC150V to 750.0kV (34 ranges)

±1.0％

±0.5％

Frequency

Operating system

Response time
setting

Demand timeinterval setting
Bar graph display
OptionNote
RY-YB-BR line change
For demand time interval setting
0 second：Instantaneous measurement
For other settings：Demand measurement
RW-YW-BW line change
Ground fault phase is displayed
from a RW-YW-BW phase voltage at
the case of zero-phase voltage
detection. (30)
Response time setting ispossible.
Response time setting ispossible.

Instant, Maximum, Minimum
45.0 to 55.0Hz or
0.0Hz in case input is below 20％
±0.5％
±0.5％
55.0 to 65.0Hz orof voltage range.
45.0 to 65.0Hz(Range select)
Voltage ：Effective value computing type.
Demand voltmeter (Line voltage)：Computing type according with bimetallic type.
Zero-phase voltage，Ground fault phase detection：Fundamental-wave effective-value computing type
Frequency：Zero cross cycle computing type.
Maximum zero-phase
0.05 seconds / 0.1 seconds / 0.15 seconds / 0.2 seconds / 0.5 seconds /voltage
1 second / 2 seconds / 3 seconds / 5 seconds
Ground fault phase(90％ response)
detection
0 second / 5 seconds / 10 seconds / 20 seconds / 30 seconds / 40 seconds /50 seconds / 1 minute / 2 minutes / 3 minutes / 4 minutes / 5 minutes /Voltage
6 minutes / 7 minutes / 8 minutes / 9 minutes / 10 minutes / 15 minutes /20 minutes / 25 minutes / 30 minutes (95％ time limit)
Bar graph display of the main-monitor factor is done.
A display of a sub-monitor factor can also be set.
Analog output (4 sets)， Alarm output (2 sets)， External operation change input (2 sets)

Note(26) The instantaneous value of each measurement factor can be checked by instantaneous measurement display.
And, about the maximum value and the minimum value, it can check by the maximum and the minimum measurement
display.
However, about a maximum zero-phase voltage, it can check by instantaneous measurement display.
Note(27) When the inverter output is directly measured in cycle control, SCR phase angle control, or PWM control,

an error increases due to the operation principle.
Note(28) The line voltage input product is display OFF.
Note(29) When you measure zero-phase voltage, please be sure to perform connection of 3-phase voltage.

In measurement of only a zero-phase voltage, an error becomes large.
Note(30) A ground fault phase constitutes the minimum phase of RW-YW-BW phase voltage.

However, if a high order circuit breaker is OFF at the case of zero-phase voltage detection, all theminimum value of RW-YW-BW will be set to 0V. In that case, please check a ground fault phase at the
maximum value of RW-YW-BW phase voltage.
38

SMLC-208-001

 Measurable range
Measurement factor
VoltageZero-phase voltage
Frequency

Input
AC0 to 150/√3V (Phase voltage input specification )AC0 to 150V (Line voltage input specification )AC0 to 150V (AC0 to 110V)
AC0 to 259V (AC0 to 190V)
45.0 to 55.0Hz
55.0 to 65.0Hz
45.0 to 65.0Hz

6.2 Performance
Item
Intrinsic error
Intrinsic error of bar
graph
Influence by temperature
Conformity technicalstandard
Display updating time

Measurable range
Display
Analog output
101％ of meter full 101％ of output
scale
span
101％ of meter full 101％ of output
scale
span
44.9 to 55.1Hz-1％，101％ of
54.9 to 65.1Hz
output span
44.8 to 65.2Hz

Specification
Reference to measure specification and intrinsic error.
±10％ （％ for span ）23±10℃ within intrinsic error.
JIS C 1102-1, -2, -4, -7：1997 ，JIS C 1111：1989

About 1 second (Bar graph：0.25 seconds)
Main monitor
5 digit, character height 11mm
Sub-monitor (Left)
4 digit, character height 6mm
Display device /LCD
Display composition
Sub-monitor (Center),(Right)
5 digit, character height 6mm
Bar graph
20 dots
For upper installation
Upper view angle 10°，Lower view angle 60°，
(For lower view)
Right and left view angle 60°
LCD view angle
For lower installation
Upper view angle 60°，Lower view angle 10°，
(For upper view)
Right and left view angle 60°
LED backlight：White (31)Backlight
Always on, Auto off (after 5 minutes without operating), Always off. Setting is possible.
Backlight can select brightness from five steps of 1 to 5.
(1) AC85 to 264V 50/60Hz 10VA (Rated voltage, AC100/110V，200/220V)
DC80 to 143V
6W (Rated voltage, DC100/110V) for both AC and DC uses
Auxiliary supply(2) DC20 to 56V
6W (Rated voltage, DC24/48V)
Rated voltage AC110V 2.2A or less (About 3.6ms)
Rated voltage AC220V 4.4A or less (About 3.6ms)
Rush current
Rated voltage DC110V 1.6A or less (About 3.6ms)(Time constant)
Rated voltage DC24V
5.0A or less (About 2.0ms)
Rated voltage DC48V
9.9A or less (About 2.0ms)
Voltage circuit
0.05VA or less (110/√3V) ，0.1VA or less (110V)
Input consumption VA
Zero-phase voltage circuit 0.5VA or less (190V)
Voltage circuit
2 times 10 seconds, 1.2 times continuation of rated voltage.
1.5 times 10 seconds, 1.2 times continuation of rated voltage.
Overload capacity
Auxiliary supply
In case of DC110V, 1.5 times 10 seconds, 1.3 times continuationof rated voltage.
Between electric circuits and case (ground).
Between input and output and auxiliary supply.
Between AC inputs (3-phase voltage and zero-phase
Insulation resistance
Above 50MΩ at DC500V megger
voltage).
JIS C 1102-1
JIS C 1111
Between outputs (analog output and alarm output).
Between alarm outputs.
Between analog outputs are not insulation of minus common.
Between electric circuits and case (ground).
Between input and output and auxiliary supply.
AC2000V (50/60Hz) 1 minuteBetween AC inputs (3-phase voltage and zero-phase
Withstand voltage
voltage).
JIS C 1102-1
JIS C 1111
Between outputs (analog output and alarm output).
AC1500V (50/60Hz) 1 minuteBetween alarm outputs.
Between analog outputs are not insulation of minus common.
Note(31) The white backlight of this product is using white LED which combined the special phosphor and blue LED.
In the characteristics of this LED, color tone may be different for each product.
39

SMLC-208-001

Item
Impulse withstand voltage
JIS C 1111

Noise-capacity
JEA B-402

Vibration, Shock
JIS C 1102-1
Construction
Ingress Protection code
Material
Color
MassBlackout guarantee
Operating temperature andhumidity limits
Storage temperature
limitsSpecification
Between electric circuits (An analog output is excluded)
5kV 1.2/50μs
and case (ground).
Both positive and negative
polarities, for each 3 time.
Between analog output and case (ground).
(1) Oscillatory surge voltage
When a damping vibration waveform (peak voltage 2.5kV, frequency 1MHz±10%) isrepeatedly applied, the measurement error should be within 10% and no malfunction
should occur.
Voltage input circuit (Normal / Common)
Auxiliary supply circuit (Normal / Common)(2) Square wave impulse noise
If a noise (1μs, 100ns width) is repeated and added, a measurement error should bewithin 10％. And, there needs to be no malfunction.
Auxiliary supply circuit (Normal / Common) Over 1500V
Voltage input circuit (Normal / Common) Over 1500V
Alarm output (Common) Over 1000V
Operation input (Common) Over 1000V
Analog output circuit (Induction) Over 1000V(3) Electric wave noise
If intermittence irradiation of the electric wave of a 150MHz,400MHz band is doneby (5W, 1m), a measurement error should be within 10%. And, there needs to be no
malfunction.
(4) Electrostatic noise
Measurement error should be within 10% at contact discharge 8kV and air discharge 15kV,
and malfunction shall not occur. And, do not be a communication error and stop.
Vibration：Single amplitude 0.15mm, 10 to 55Hz, Each minute octave in 5 times sweep.
Shock：490m/s２ Each 3 times to the X, Y, Z direction.
Dimension：110mm(Width)×110mm(Height)×103.5mm(Depth) Body diameter：99mmφ
With terminal cover
IP40
Case，Cover：ABS(V-0) ，Terminal block：PBT ，Terminal cover：Polycarbonate
Black (Munsell N1.5)
Approx. 600g
Maximum value, Minimum value, Ground fault phase detection display, Each setting value.
Data hold by nonvolatile memory.
-10 to +55℃ , 30 to 85％ RH, Non condensing.
-25 to +70℃

40

SMLC-208-001

6.3 Option
Item

Specification
4 circuits
DC4 to 20mA
(Below 550Ω)
DC0 to 1mA(Below 10kΩ)
Output specification DC0 to 5V/1 to 5V (Over 600Ω)
DC0 to 10V(Over 2kΩ)One of them is designated by identical ratings.
Phase voltage (RW-YW-BW)，Line voltage (RY-YB-BR)，Frequency，Output factor
Maximum zero-phase voltage，Zero-phase voltage
A phase voltage (RW-YW-BW) constitutes only phase voltage input product.
Maximum zero-phase voltage，Zero-phase voltage, Voltage (RW-YW-BW)：Response time setting ＋ 1 second or less.
Response time
Voltage (RY-YB-BR), Frequency：1 second or less (Time within ±1％ of final constant value.)
An output is fixed to a lower limit if input is below a cut value.
(Function ON / OFF is possible at a setting.)
Low input cut
However, in the case of frequency, it excludes.
Low input cut value. Zero-phase voltage：Full-scale 1.0％ or less.
Voltage：Full-scale 0.5％ or less.
Output ripple
Within the double precision of accuracy (％ for output span)
Bias and a span adjustment are possible according to each output individual.
Bias ±10.0％ (0.1％ step) ％ for output span.
Output adjustment
Adjustable range
Span ±10.0％ (0.1％ step) ％ for output span.
Between outputs are not insulation of minus common.
Alarm factor：Zero-phase voltage, Line voltage (The maximum value between each line), Alarm OFF.
Possible to setting one of them. (Alarm 2 circuit setting of each is possible.)
Reset form ：Automatic reset or Manual reset (Setting)
Output contact ：No voltage normally open contact (a contact) (OR of each phase detection)
Contact capacity：AC250V 8A, DC125V 0.3A (Resistance load), AC250V 2A, DC125V 0.1A (Inductive load)
Alarm factor
Item
Specification
Measurement value ≧ Upper limit setting value,
Alarm display and alarm output.
With a ground fault phase detection display automatic change function.
(In case of detection.)(Setting of use / not use is possible for a ground fault phase detection
display automatic change function.)
Function
Ground fault phase detection display
Zero-phase：A maximum zero-phase voltage and the minimum phase voltage arevoltagedisplayed. A maximum zero-phase voltage and minimum phase voltage
update after of zero-phase voltage detection.
After backlight turns on, backlight is off when not operating it for
5 minutes. (At the case of setting in backlight automatic off.)
Setting accuracy ±1.0％ (％ to the value which set a full scale to 150％)
Setting range
5 to 150％ (1％ step) or OFF (not use), Full scale＝150％.
Measurement value ≧ Upper limit setting value, Alarm display andLine voltage
alarm output. (Detects by the maximum phase)(The maximum Function
Measurement value ≦ Lower limit setting value, Alarm display andvalue
alarm output. (Detects by the minimum phase)
between each
Setting accuracy ±1.0％ (％ to the value which set a full scale to 150％)
line)
Setting range
30 to 150％ (1％ step) or OFF (not use), Full scale＝150％.
Number of output

Analog output

Alarm output

41

SMLC-208-001

Item
Number of circuits
Function
Alarm reset
Maximum / Minimum reset

Measurement factor change

External
operation
input

Phase change
Minimum operation pulse width

Rated input

Specification
2 circuits, Function (4 types) is changed by setting.
4 types of following functions can be operated by adding a voltage
signal from the outside in addition to switch operation.
Alarm output is reset (output OFF).
Please refer to "4.3.6 Reset" about operation by the switch.
The maximum value / minimum value is reset (it updates to theinstantaneous value at the time).
Please refer to "4.3.6 Reset" about operation by the switch.
The measurement display element of the main monitor is changed.
Please refer to "4.3.1 Main monitor display-element change" about
operation by the switch.
A phase/lines display of the voltage display is changed.
Please refer to "4.3.2 Phase (between lines) display change" about
operation by the switch.
300ms ，Continuation applying is possible.
Input rating becomes the same as that of auxiliary supply.
(1) AC100/110V 0.4VA，AC200/220V 1.4VA，DC100/110V 0.4W
AC DC two ways.
Contact capacity：About 3mA (AC,DC100/110V)，
About 6mA (AC200/220V)(2) DC24V 0.3W，DC48V 1.2W
Contact capacity：About 10mA (DC24V) ，About 20mA (DC48V)● Caution on the use of external display selection input (option)
External power consumption is 0.4VA at AC110V or 1.4VA at AC220V or 0.4W at DC110V.
In case a relay or a switch is used for power supply supply, please use the thing of about
1mA of the minimum application loads.

P N
5
6
28
29

7. Maintenance and check7.1 Trouble shooting
Symptoms
Indicator does not
display.

Possible causes
The power supply is not supplied.
(Not connected. or voltage is low)

Remedial measures
Check the auxiliary supply.
Again, a power supply is supplied.

Measurement display ON/OFF setting is set to OFF.

Setting check.

Trouble of device.

Replace the device.

Range is not set correctly.

Please set again.

Out of range in rated frequency (45 to 65Hz).

Cannot be used.

Cycle control, SCR phase angle control, PWM control,
or other inverter output is measured.

Cannot be used.

Analog output is not
outputted.

Analog output is set to OFF or measurement factor is set
to OFF.

Please check a setting

Alarm output does not
return.

The return method is a "manual reset".

Please check a setting

Measuring value error isnoticeable42

SMLC-208-001

7.2 Test
In case this product is tested, a special setting or operation is not needed fundamentally.
However, the following test should operate it along with each process.
Alarm output test
Even if this product does not have input, it can perform ON/OFF test of an alarm output (relay-contact output).
Operation is performed by alarm 1 test and alarm 2 test in the setting mode 1.
Please refer to "5.3.1 Setting mode 1 (2) alarm output setup" about the details of operation.
In addition, an alarm return constitutes action corresponding to a return method setting (automatic reset / manual
reset) of each alarm output.
< Operating process >・Alarm 1 test (Setting № 123)
(111)
(121)
(123)
Press SET for 3 seconds → Press MODE → Press RESET/SHIFT for 2 times → While pushing SET , thealarm 1 output is ON.
・Alarm 2 test (Setting № 126)
(111)
(121)
(126)
Press SET for 3 seconds → Press MODE → Press RESET/SHIFT for 5 times → While pushing SET , thealarm 2 output is ON.

Head Office: 11-13 Hitotsuya 1-chome, Adachi-ku, Tokyo, 121-8639 Japan.
Phone：03-3885-2411 , Fax：03-3858-3966

Kyoto Office : 1-19 Ichinobe-Nishikawahara, Jyoyou-shi, Kyoto, 610-0114 Japan.
Phone：0774-55-1391 , Fax：0774-54-1353
Revision C, DATE：March 3, 2021

43