The R230PL_ZRS RS232 Relay Board connects directly to any available COM port using a standard
DB9 serial connection. Once connected, the board communicates using simple serial commands, making it easy to
integrate with PCs, industrial controllers, and automation systems that support RS232 communication.
Connect to Computers & Third-Party Devices
This RS232 Relay Board connects to any device with an available COM port or RS232 interface using a
DB9 or direct-wire connection. It accepts standard hex or decimal byte commands, making it ideal
for integration with Crestron, AMX, PLCs, industrial controllers, and custom automation systems.
The ProXR Command Set
The R230PL_ZRS uses the ProXR Command Set for simple yet powerful control. Send basic
commands to turn relays on or off, or take advantage of advanced features like delays, flashers,
duration timers, and full relay-status feedback. From quick automation scripts to full system integrations,
ProXR commands deliver a proven, reliable command set trusted across the industry.