RC608-232 Remote IO Module RS232 8 In 8 Out & Relay Output for MODBUS RTU #E5

New NNZN-TCP232-850 rs232/485 Serial to Ethernet Device Server MODBUS RTU *tm

RC608-485 Remote IO Module RS485 w/ 8 In&Outputs&Relay Output for MODBUS RTU

DC5V NNZN-TCP232-600 RS485 Serial to Ethernet Device Server MODBUS RTU *nl

Modbus RTU Protocol IO PLC Extensible Module 32 Output Relay and Transistor *tm

DC 12V 8 Digital to RS485 Acquisition Switch Board Modbus RTU TTL IO PLC Module

DC 12V 2CH RS485 Modbus RTU Relay Module PLC Digital Output Expansion Board New

Modbus RTU 4 Channel Relay Switch module RS232/TTL UART DC 7V~24V #cv