Equipped with 16 relays, 16 isolated digital inputs, and 2 watchdog protection circuits, Model IA-3116-U2i handles dry-contact, industrial negative logic as well as positive level signals without jumper or software setting. Isolated USB port keeps host computer from hostile environments, while additional COM port supports transparent, buffered, multi-drop operation, with expansion capability up to 255 units. Relays on board have current rating of 2 A at 30 Vdc and 1 A at 125 Vac.
This story is related to the following:Industrial Control & Power Relays