SEW series

SPEC. SHEET

Current Loop Supply

Model:

SEWD-F(with indication function)

Features
Usable with a Field communicator [Power for 2-wire transmitterbuilt-in (output impedance: 240 )]Model

SEWD - □ - □F

Socket1: Finger-safe(For Y terminal)
2: For Ring terminal
Power supply
0: 100 to 240V AC
1: 24V AC/DC

How to orderSpecify the model (e.g.) SEWD-1-0
Default value:
Input
4 to 20mA DC
Output 1
4 to 20mA DC
Output 2
4 to 20mA DC

Performance

Accessories (sold separately)
Communication cable for the console software: CMB-001

Input specification
DC current
Connect a shunt resistor (sold separately) between Shunt resistor

Input
4 to 20mA DC

Shunt resistor
50 built-in

Output specification
When the output range lower limit is zero, (even if zero adjustment
results in a negative value), the output value will not be negative.
DC current
Zero
Span
Allowable load
Output range
adjustment
adjustment
resistance
range
range
4 to 20mA DC
700 or less
-5 to 5%95 to 105%
0 to 20mA DC
700 or less0 to 5%95 to 105%
0 to 12mA DC
1.2k or less0 to 5%95 to 105%
0 to 10mA DC
1.2k or less0 to 5%95 to 105%
1 to 5mA DC
2.4k or less
-5 to 5%95 to 105%
DC voltage
Output range

Allowable load
resistance

0 to 1V DC
0 to 5V DC
1 to 5V DC
0 to 10V DC

100 or more
500 or more
500 or more
1k or moreZeroadjustment
range
0 to 5%0 to 5%-5 to 5%0 to 5%Span
adjustment
range
95 to 105%
95 to 105%
95 to 105%
95 to 105%

Accuracy (When ambient temperature is 23 ):Input (DC current): Within 0.1%
DC voltage: Within 0.1%
Output: Within 0.1%
Indication accuracy: Within input accuracy 1 digit
Input sampling period: 25ms, 125ms, 250ms (Selectable by keypad)
Response time: 65ms (typ.) (0→90%) (Input sampling period 25ms)
225ms (typ.) (0→90%) (Input sampling period 125ms)
425ms (typ.) (0→90%) (Input sampling period 250ms)(Selectable by keypad)
Temperature coefficient: 0.015%/ or lessInsulation resistance: 10M or more, at 500V DC(Input – Output – Power supply)
Dielectric strength: 2.0kV AC for 1 minute(Input – Output – Power supply)

General structureCase: Flame-resistant resin, Color: Light gray
Front panel: Membrane sheet
Setting: By the front keypad
Connector for console software: Only for CMB-001
Indication: Input display: 7-segment, Red LED display 4-digit
Character size 10x4.6mm (HxW)
Output display: 7-segment, Red LED display 4-digit
Character size 10x4.6mm (HxW)Power indicator: Green LED

Power for 2-wire transmitter
Output voltage: 24 to 28V DC (When load current is 20mA)
Ripple voltage: Within 200mV DC (When load current is 20mA)
Max load current: 25mA DC
Output impedance : 240 (Usable with a Field communicator)
Console connector

SEWD-F
Installation specifications

Power 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. 8VA
Ambient temperature: -5 to 55
Ambient humidity: 35 to 85%RH (Non-condensing)
Mounting: DIN rail mounting
External dimensions: W30xH88xD108mm (including the socket)
Weight: Approx. 190g (including the socket)

Attached functions

Solderless terminal
Y typeRing typeCircuit configuration and terminal arrangementmA DC

Auto-light function: Display brightness is controlled in accordancewith the surrounding area. Unnecessary brightness is reduced,+ 1 50thus saving energy.
Power failure countermeasure: The data is backed up in non2
volatile IC memory.
3
Self diagnosis: The CPU is monitored by a watchdog timer, andPower supply for
2-wire transmitter
when an abnormal status is found on the CPU, the unit is240
4switched to warm-up status with tuning all outputs off.
+InputcircuitInsulation circuit
24 V DCpower
circuitOutputcircuitCPU

5

Insulation circuit

6

Environmental specification

Outputcircuit

7RoHS directive compliance

8Settings
Function keys
(1) UP Key: Increases the numeric value.
(2) DOWN Key: Decrease the numeric value.
(3) MODE Key: Selects the setting mode.
(4) SUB-MODE Key: Turns the displays ON again when they
are in OFF status.
(The UP, DOWN or MODE Key also turns the displays ON again
when they are in OFF status.)

When using as a Current loop supply-+ 12-wiretransmitter3++ 4+
Input
circuit1314+Powersupply-

9 +Output 11011 +Output 212-

When using as an Isolator50- 2Displays and indicators
Input display: Indicates the input value
Indication of -2000 or less (for DC input):
The minus (-) sign and input value light alternately.
Indication of 10000 or more:
The lower 4 digits flash.
Under range: “” flashes on the Input display.
Over range: “” flashes on the Input display.
Warm-up indication: For approx. 3sec. after the power to theinstrument is turned on, the input type isindicated on the input display, and Output
type is indicated on the Output display.
Output display: Indicates output volume in percentage (%) form.
Power indicator: The green LED lights when the power to the
instrument is turned on.

SHINKO TECHNOS CO., LTD.

Powercircuit

Display/Setting
key circuit

Input

-

150Input
circuit23240

24V DCpower
circuit4240

24V DCpower
circuit

External dimensions (Scale: mm)

Tel: 81-72-727-6100

URL: http://www.shinko-technos.co.jp/e/ E-mail: overseas@shinko-technos.co.jp

20120106