M140 Ethernet Remote I/O Module comes with 8 digital input, 8 digital output, RS485 serial port, RJ45 Ethernet port, the Remote I/O module supports SNMP V1/V2, Modbus TCP server and client, Modbus RTU master and slave, and MQTT protocol. The remote I/O module can be integrated into SCADA and other industrial automation systems, and also can be connected with cloud platform for remote monitoring and remote control.