The Mitsubishi QJ71E71-100 is an Ethernet communication module for Mitsubishi Electric’s Q series programmable logic controller (PLC). It is mainly used to expand the communication function of PLC and realize the Ethernet communication between PLC and other equipment (such as computer, HMI, other PLC, frequency converter, etc.). The module supports high-speed data transmission and provides a variety of communication protocols, allowing the PLC system to flexibly connect with various devices.
Main function
High-speed Ethernet communication: provides high-speed data transmission capabilities to meet t
he needs of high-performance control systems.
Multiple communication protocols: Support a variety of industrial protocols, such as TCP/IP, UDP, Modbus TCP, etc., to achieve interconnection with different devices.
Remote I/O: Can be used as a remote I/O module to extend the I/O points of the PLC.
Data transmission: Realize the data exchange between PLC and host computer, convenient for monitoring, configuration and programming.
Product specifications (part, detailed parameters pleas
e refer to the product manual)
Communication interface: RJ-45 Ethernet interface
Data transfer rate: 100Mbps
Communication protocols: TCP/IP, UDP, Modbus TCP, etc
Working voltage: DC24V
Operating temperature: 0℃ ~ 55℃


