Relay Board 4 Channel

Overview

SKU: ISXRLY-RL4-1

4 channel opto-isolated relay board. (SPDT, max ratings AC 250V 10A, DC30V 10A). Connects to the Interstacks I/O Expander outputs to control large external loads on the relays. The digital side of the relay board can be powered via DC Output (5V) power on the I/O Expander block terminals.

Additional notes

PIN 8 on IO Expander (yellow wire) —> IN1 of relay board. This is the signal wire to open/close the corresponding relay output

PIN 9 on IO Expander (orange wire) –> VCC of relay board. Power to the board

PIN 10 on IO Expander (green wire) –> GND of relay board. Grounding to the board.