Multichannel Relay Module Boards
- Devantech USB (Universal Serial Bus)-OPTO-RLY816, The USB (Universal Serial Bus)-OPTO-RLY816 relay module board has both 8x optically isolated outputs & 8x volt free contact relay outputs at up to 16A each. Power & instructions for the processor is by USB (Universal Serial Bus) bus & the relays receive their power via a 2.1mm DC power input, with a 12V DC ≥500m A supply required. The relays are SPCO (Single Pole Change Over) types. The normally open, normally closed & common pins are all available on the screw terminals. Each of the 8x input channels has a green LED to indicate input status & each relay output has a red LED to indicate relay status. Power status on the board is indicated by an LED driven from the USB (Universal Serial Bus) supply. 8 Channel 16A Optically Isolated Relay Board Controlled Via USB