4DO Modbus RTU Protocol for Remote Data Acquisition IO Module M220T
M220T is industrial remote Ethernet IO module that has one Ethernet port, one RS485, four DO interface, and it supports high-speed pulse output. It supports MQTT, Modbus TCP and Modbus RTU protocols, and it provides TCP client and TCP server services. It adopts metal shell to enhence EMC resistance to electromagnetic interference. It is widely used in the field of industrial automation.
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