Ethernet I/O modules are an easy and cost-effective alternative to PLCs when you need to bring sensor and I/O data to a SCADA or IoT platform. They convert digital and analog input readings from connected sensors into Ethernet-ready data, which can then directly be requested over the network via Modbus, EtherNet/IP, SNMP, and other common protocols. This saves you the cost and trouble of reprogramming a PLC on-site and disrupting existing operations.
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