2 Way Modbus Rtu Relay Module Switching Input and Output RS485/TTL Communication Modbus Controlled Modbus Relay Board
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
Naroote PLC LED Display Meter Communication 4-Digit for MODBUS-RTU RS485, Black PLC Module Display for Electronic Supplies
Cryfokt Durable PLC Module Display LED Serial Port Meter, Accurate Display Result for MODBUS-RTU RS485
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 Industrial Modbus RTU 8-Ch Relay Module (E) With RS485 Interface, 30A High Current, Multi Isolation Protection Circuits, Onboard Optocoupler Isolation, Rail-Mounted Case
