Signal isolator has input signals of K/B/S/E/PT100/4-20mA/0-20mA/ and output signals of 4-20mA/0-20mA. For example, input 4-20mA & output 0-20mA, input 0-20mA & output 4-20mA, input thermocouple K type & output 4-20mA, etc.
Specification:
Model | CHN-SIGNI-402E |
Weight | 120g |
Dimension | 108.2*12.5*116.2mm |
Input signal * | 4-20mA, 0-20mA, K, B, S, E, Pt100 |
Output signal * | 4-20mA, 0-20mA |
Number of input & output channels * | 1 input channel & 1 output channel, 1 input channel & 2 output channels, 2 input channels & 2 output channels |
Power supply | DC 24V, DC 20-30V |
Accuracy | 0.1%FS |
Input impedance | 25Ω |
Load impedance (current output) | ≤350Ω |
Response time | ≤50ms |
Insulation resistance | ≥100MΩ at DC 500V |
Maximum withstand voltage | 1500V (AC virtual value)/1min among input, output and power supply |
Temperature drift | 0.05%FS/10℃ |
Protection class | IP20 |
Installation | 35mm DIN rail |
Dimensional drawing (unit: mm):

Wiring diagram:

Tips
Signal isolator CHN-SIGNI-402E series is a universal signal isolator that can be customized with various active and passive input signals, such as thermocouple K/B/S/E type, RTD Pt100, current signal 4-20mA/0-20mA . The output signals can be 4-20mA and 0-20mA. Signal isolator has pluggable terminals, 12.5mm thickness, high accuracy 0.1%FS and protection class IP20.