16-channel Isolated Digital I/O Module with Timer Main Features - Channels: 16 - I/O Type: 12DI/2DO/2 Timer - Digital Input: Dry Contact: Logic Level 0: GND Logic Level 1: Open Wet Contact: Logic Level 0: +3V (max) Logic Level 1: +10V~30V - Digital Output: Open Collector 30V (200mA Max Load) - Optic Isolation: 2000VRMS - Timer:Max Timing: 4,294,967,285 (320bit) Input Frequency: 0.3~1000Hz max. (Frequency Mode) 5000Hz max. ( Timing Mode) Isolation Voltage: 2000VRMS Mode: Timers, frequency - Power Consumption: 2W (typically)