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  ISD 2 Independent Channels Isolated Universal Signal Converter / Conditioner / Isolator  
 

 

 

Catalog

Manual

RS-485

Software
  • Different input type can be set to each channel 
  • Two independent input channels for various input signals and measuring range 
  • Configurable without Power Connected
  • Full 3-way isolation for 2800 Vrms
  • Dual channel Input
    Resistance thermometer (Pt100)
    Thermocouple (J,K,T,E,B,R,S,N,C)
    Voltage/Current transmitter (mV/V/mA)
  • Dual 0/4 to 20 mA or 0~10V analogue output (ISD-D)
  • RS485 communication interface with Modbus RTU
    protocol (ISD-C)
  • Fault signal on sensor break presettable
 
The Din Rail converter is user configurable with the software and interface cable URC-1020. The is user-friendly software. The latest release version can be download free from website.
Interface cable consist of interface converter and USB plug. It can be purchased separately fromsupplier. During configuration the converter can work alone without connecting to a power source.
 
Specification
Input Thermocouple (T/C) :
industry standard thermocouple types J, K, T, E, B, R, S, N, C (ITS-90).
Pt100 : Excitation 180uA. 2 or 3 wire connection (ITS-90 α =0.00385).
Voltage : -60mVdc to 60mVdc or –10Vdc to 10Vdc.
Current : 0-24mAdc
Accuracy Refer to Table 1 Input Signal
A/D Resolution 16 bits
Input Sampling Rate <200 ms
Power Supply DC 18~36V
Power Consumption 1.7W (max)
Output Current Output : 4~20mA( Resistive load 600Ω max.)
Continuous Voltage Output : 0~10V…( Resistive load 600Ω min.)
Output Resolution 0.6 μ A(15 bits)
Output Response Time <200 ms

Common Mode Rejection Ratio
 (CMRR)

>80 dB
Electromagnetic Compatibility (EMC) En 50081-2, En 50082-2
Galvanic Isolation 2.8 KV. between input and output
Operating Temperature -10 to 50°C
Humidity 0 to 90% RH
Dimension 75mm(W)x87mm(H)x18.5mm(D)
 
Table 1 Input Signal
Input signal Maximum Range Accuracy
Thermocouple J -50 to 1000°C (-58 to 1832°F) ± 1°C
Thermocouple K -50 to 1370°C (-58 to 2498°F) ± 1°C
Thermocouple T -270 to 400°C (-454 to 752°F) ± 1°C
Thermocouple E                 -50 to 700°C (-58 to 1292°F) ± 1°C
Thermocouple B                  0 to 1750°C (32 to 3182°F)                ± 2°C (Note1)
Thermocouple R                 -50 to 1750°C (-58 to 3182°F) ± 2°C
Thermocouple S                 -50 to 1750°C (-58 to 3182°F) ± 2°C
Thermocouple N                 -50 to 1300°C (-58 to 2372°F) ± 2°C
Thermocouple C                 -50 to 1800°C (-58 to 3272°F) ± 2°C
Pt100                 -200 to 600°C (-328 to 1112°F)     ± 0.2°C
mV                 -60mV to 60mV         ± 0.01mV
Voltage (Note2)                 -10 to 10Vdc    ± 1mV
Current (Note2)                  0 to 24mAdc     ± 10μA
 

Note 1: Accuracy is not guaranteed between 0 and 400°C (0 and 752°F) for type B

Note 2: The internal DIP switch should be set

 

Loop Power Signal Transmitter
Model Type Input Output Isolated
T/C PT100 mV mA V
IST-H Head Mount V V V X X 4-20mA V
IST-D DIN Rail V V V V V 4-20mA V
IST-P Head Mount 0-60KΩ 4-20mA V
NST Head Mount V V V X X 4-20mA X
 
Dual Channel Isolated Signal Converter
Model Type Input Output 1 Output 2 Math Function Independent
Input(*Note)
T/C PT100 mV mA V
ISC-D DIN Rail V V V V V 0-24mA/0-10V 0-24mA/0-10V V X
ISC-C DIN Rail V V V V V 0-24mA/0-10V RS485 V X
ISD-D DIN Rail V V V V V 0-24mA/0-10V 0-24mA/0-10V X V
ISD-C DIN Rail V V V V V 0-24mA/0-10V RS485 X V
ISA-D DIN Rail X X V V V 0-24mA/0-10V 0-24mA/0-10V X V
ISA-C DIN Rail X X V V V 0-24mA/0-10V RS485 X V
*Note: ISD/ISA: Different input type can be set to each channel
ISC: Both channels must be set to same input type

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