Relay card x8 RS-485

With RS485 Controlled 8 Relay Board you can control upto 8 SPDT (Single Pole Double Throw) relays using a simple RS485 protocol.

* Up to 8, 12V SPDT relay control
* Industry standard relay drive IC - ULN2803
* Data received indicator LED
* LED indicator to display relay state
* Power-On LED indicator
* On board regulator IC
* PBT type connector for easy connection of all wires to the PCB
* Simple RS485 Protocol
* Can be controlled either by a microcontroller board or via PC using suitable RS232 - RS485 converter
* Diode protection against reverse polarity connection
* NC-C-NO pin outs from each relay into a PBT connector
* Four mounting holes of 3.2 mm each
* PCB dimensions 166 mm x 92 mm