SA series

SPEC. SHEET

Alarm Detector (RTD) (with indication function)
Features• Alarm Energized/De-energized• Alarm Hold function• Alarm action delay timer• Set value lock

Model:SARA• High limit alarm
Alarm hysteresis• Low limit alarm
Alarm hysteresis

ONON

OFF?

OFF?

Alarmvalue• High limit alarm with standby
Alarm hysteresis
ONAlarmvalue• Low limit alarm with standby
Alarm hysteresis
ONHow to orderSpecify a model. (e.g.) SARA-0111-0

Model: SARA － □ □ □ － □Input *1
01: Pt100
02: Pt100
03: Pt100
04: JPt100
05: JPt100
06: JPt100
51: Pt100
52: Pt100
53: Pt100
54: JPt100
55: JPt100
56: JPt100

-50.0
-50.0
-200
-50.0
-50.0
-200
-58.0
-58.0
-328
-58.0
-58.0
-328

tototototo
tototototototo

100.0
300.0
850
100.0
300.0
500
212.0
572.0
1562
212.0
572.0
932

Alarm 1 output (Relay contact 1a) *2
0: No alarm action
1: High limit alarm
2: Low limit alarm
3: High limit alarm with standby
4: Low limit alarm with standby
Alarm 2 output (Open collector) *2
0: No alarm action
1: High limit alarm2: Low limit alarm
3: High limit alarm with standby
4: Low limit alarm with standby
Power supply
0: 100 to 240V AC
1: 24V AC/DC*1: For other input ranges not listed above, please contact us.
*2: The alarm type can be selected by keypad from No alarm
action, High limit alarm, Low limit alarm, High limit alarmwith standby and Low limit alarm with standby.

OFF?

Alarm
value

OFF?

Alarm
value

Stanby functions.
Alarm action: ON/OFF action, Alarm hysteresis: 0.1 to 100.0%FS,
Delay timer: 0 to 9999sec, Energized/De-energized
Alarm Holding/Not holding, Selectable
Alarm 1 output: Relay contact 1a,Control capacity; 3A 250V AC (Resistive load),
1A 250V AC (Inductive load cosø=0.4)
Electric life 100,000 cycles
Alarm 2 output: Open collector, Control capacity; 0.1A 24V DC

Performance
Setting accuracy: The same as the Display accuracy
Reference accuracy: Within 0.1% of each input span
Display accuracy: Within Reference accuracy 1 digit
Temperature coefficient : 0.015%/
Response time
: 1 sec or lessInsulation resistance: 10M or more, at 500V DC(Input - Output - Power)Dielectric strength: 1500V AC for 1 minute(Input - Alarm 1 output - Alarm 2 output - Power)
Isolation: 3-port isolation (between Input - Output - Power)

General structure
Case: Flame-resistant resin Color: Light gray
Front panel: Membrane sheet Setting: Using the front keypad
Indication: Power indicator: Green LED
Input display: 7-segment, Red LED display 4-digit
Character size, 7.4 x 4.0mm (H x W)
Set value display: 7-segment, Green LED display 4-digit
Character size, 7.4 x 4.0mm (H x W)

Power indicator
Input display
Set value displayInput specifications
RTD (3-wire system)
Input detection current: Approx. 0.2mA
Allowable lead wire resistance: 10 or less per wire
Burnout: Upscale

Output specifications
For Alarm 1 and Alarm 2, the alarm type can be selected
respectively from High limit alarm, Low limit alarm, High limit
alarm with standby, Low limit alarm with standby and No alarm.

Up keyDown key

MODE key
SUB MODE key

SARA
FerrulesInstallation specifications

Terminals from 1 to 4
• Insulation sleeve attached (Phoenix Contact GMBH & CO.)AI0.25-8YE
0.2 – 0.25mm2
AI0.34-8TQ
0.25 – 0.34mm2
AI0.5-8WH
0.34 – 0.5mm2
AI0.75-8GY
0.5 – 0.75mm2
AI1.0-8RD
0.75 –1.0mm2
AI1.5-8BK
1.0 – 1.5mm2• Crimping pliers (Phoenix Contact GMBH & CO.)CRIMPFOX ZA3, CRIMPFOX UD6
Terminals from 5 to 9
• Insulation sleeve attached (Phoenix Contact GMBH & CO.)AI0.25-8YE
0.2 – 0.25mm2
AI0.34-8TQ
0.25 – 0.34mm2
AI0.5-8WH
0.34 – 0.5mm2• Crimping pliers (Phoenix Contact GMBH & CO.)CRIMPFOX ZA3, CRIMPFOX UD6Power supply: 100 to 240V AC 50/60Hz
24V AC/DC 50/60Hz
Allowable voltage range: 85 to 264V AC, 20 to 28V AC/DCPower consumption: Approx. 6VA
Ambient temperature : -5 to 55
Ambient humidity: 35 to 85%RH (non-condensing)
Mounting: DIN rail mounting
External dimensions: 22.5 (W) x 75 (H) x 100 (D)mm
Weight: Approx. 120g

Attached functions• Power failure countermeasure:The data is backed up in non-volatile IC memory.
• Self diagnosis:
The CPU is monitored by a watchdog timer, and if
an abnormal status is found on the CPU, the unit isswitched to warm-up status with turning all outputs off.

Circuit configuration and terminal arrangement

Environmental specification
RoHS directive compliance

3Settings

Alarm 1 output(Relay contact 1a)

RTD

Function keys
(1) Up key: Increases the numeric value.
(2) Down key: Decreases the numeric value.
(3) MODE key: Selects the setting mode.
(4) SUB MODE key: Press with the MODE key to selectthe setting mode.
Setting items• Setting by pressing the MODE key for 3 seconds(1) Alarm 1 value (2) Alarm 2 value• Setting by the MODE key and SUB MODE key(1) Set value lock(2) Filter time constant(3) Sensor correction(4) Alarm 1 type(5) Alarm 2 type(6) Alarm 1 Energized/De-energized(7) Alarm 2 Energized/De-energized(8) Alarm 1 Hold function(9) Alarm 2 Hold function(10) Alarm 1 hysteresis(11) Alarm 2 hysteresis(12) Alarm 1 action delay timer(13) Alarm 2 action delay timer(14) Display selection(15) Indication time

Displays and indicators
Power indicator : The green LED lights when power-on.
Input display: Indicates the input value.
Under range:“” flashes on the Input display.
Over range:“” flashes on the Input display.
Warm-up indication: For approx. 3sec after power-on,
the input type is indicated on the Input
display, and input range high limit value
is indicated on the Set value display.
Set value display: Indicates the one which has been
selected during “Display selection” mode.
Indicates Alarm 1 value or Alarm 2 value.
Indicates characters shown below while
alarm output is on.
Alarm output status
Set value display
Alarm 1 output ON56Insulationcircuit

CPUInputcircuit

487

Alarm 2 output(Open collector)

9Display/Setting
key circuit

Powercircuit

12＋Powersupply－

Alarm 1 output: Take measures for relay protection andnoise prevention as shown below.
• AC power
AC

3
Inductive load (coil)
4LoadVaristor, CR circuit, etc.

• DC powerDC

3
Inductive load (coil)4

Load
Diode, Varistor,
CR circuit, etc.

Alarm 2 open collector output connection example
+8DC

9-

External dimensions (Scale: mm)

Alarm 2 output ON
Alarm 1, 2 outputs ON

SHINKO TECHNOS CO., LTD.

Tel: 81-72-727-6100
URL: http://www.shinko-technos.co.jp/e E-mail: overseas@shinko-technos.co.jp

20090605