TUOPUONE Industrial Modbus RTU 4-ch Relay Module with RS485 Interface 30A High Current Onboard LED Indicators Multi Isolation Protection Circuits Industrial Grade Rail-Mount Case
Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Waveshare Dual Ethernet Ports 8-Ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Waveshare Industrial-Grade Isolated 4-Channel RS485 Hub with Rail-Mount Support, Wide Baud Rate Range, Expanding 4 RS485 Sub-Ports via 1 RS485 Master Port, Featuring Isolation and Signal Relay
TUOPUONE Dual Ethernet Ports 8-ch Relay Module (C) Modbus RTU Protocol PoE Power Supply With Various Isolation And Protection Circuits Industrial Grade Rail-Mount Case
Waveshare 8-Ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
