Advantech Adam-6018+

Advantech ADAM-6717-A Intelligent I/O Gateway

Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24...

Waveshare Industrial 8-Channel Ethernet Relay Module Modbus POE ETH Relay

7 PC MISC AUTOMATION MODULES

Industrial 8-Ch Ethernet Digital Input/Output Module Modbus RTU / TCP Protocol

Programmable 8 Channel Relays Module with RS485 Interfaces for Electrical

Industrial 8-Ch PWM Input Module Modbus RTU Protocol Isolated RS485 Interface