CAS Modbus Scanner: KMtronic LAN Ethernet IP 8 channels Modbus/TCP Relay board Posted on September 12, 2019 (September 12, 2019) by KMtronic Spread the love KMtronic Modbus/TCP Relay KMtronic ModBus Relay board connected to:IP: 192.168.1.207MODBUS PORT: 502 Testing KMtronic ModBus Relay board with CAS Modbus Scanner. Testing KMtronic ModBus Relay board with CAS Modbus Scanner.