Multichannel Relay Module Boards
- Devantech USB (Universal Serial Bus)-OPTO-RLY88, The USB (Universal Serial Bus)-OPTO-RLY88 is a relay module board that provides 8x optically isolated outputs as well as 8x volt free contact relay outputs, each having a current rating of 1A. The unit is powered & controlled from a USB (Universal Serial Bus) bus & has an exceptionally low maximum current consumption of approx. 90m A with all relays on. The relays are SPCO (Single Pole Change Over) types. The normally open, normally closed & common pins are all available on the screw terminals. Performance indication is provided by LED mounted in various places on the board. Each of the eight 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 1A Optically Isolated Relay Board Controlled Via USB