PCO series I/O expansion board, RS485 communication (CAREL 3.0 protocol), compatible with pCO3/pCOXS/pCO1/pCO2, 4-channel 10 bit analog input (NTC/-50~90 ° C/0/1V/0/5V/0~20mA/4~20mA), 8-channel digital input, 4-channel relay output, 24Vac/VDC power supply/digital input, 4DIN rail installation, 80x120x60mm, working temperature -10~60 ° C, humidity<95%, no condensation
