Isolated Digital Input Channels 18 Input Voltage Dry contact Logic level 0: close to GND, Logic level 1: open. Wet Contact Logic level 0: 0~3 VDC, Logic level 1: 10~30 VDC Isolation Protection 2,500 VDC
Isolated Digital Output Channels 18 Output Type Sink Isolation Protection 2,500 VDC Sink Current 100 mA max./channel