16-Channel Digital Input Dry Contact and Wet Contact Selectable via Wire Connections Photocouple Isolation Long Distance Measurement 4 kV ESD Protection 4 kV EFT Protection 3 kV Surge Protection
16-Channel Digital Input Dry Contact and Wet Contact Selectable via Wire Connections Photocouple Isolation Long Distance Measurement 4 kV ESD Protection 4 kV EFT Protection 3 kV Surge Protection