The relay controller is an industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case.
The INDI Waveshare driver provides control to toggle the Relays on and off. All Relay labels can be customized. When using this driver as an Output driver in the Universal ROR driver, make sure to reference the indexes starting from Digital Output #1 until Digital Output #8.
Since the controller operates using Modbus RTU by default, you must change the transfer protocol to Modbus_TCP protocol. Without this change, connection to the relay from the driver will fail.
Specify the IP address of the controller in the Connection tab. Leave the port as it is.
The driver provides switch control to toggle on/off the relays. You can customize the relay labels as desired.