Channels: 8

Digital Input: Dry Contact Logic level 1: close to Iso.GND; Logic level 0: open; Wet Contact Rated voltage: 24VDC; Logic level 1: 10~30 VDC and -10~-30 VDC; Logic level 0: -3~3 VDC

Input Delay: From logic level 0 to 1: 4ms; From logic level 1 to 0: 4ms

Digital Filter: 3ms