QJ71LP21-25

The QJ71LP21-25 module is a network module from the Mitsubishi MELSEC Q series of programmable controller series components. It is an optical loop type of network module that was specifically designed for efficient data communication within a MELSEC Q programmable controller system. The QJ71LP21-25 network module uses a duplex loop as its transmission path format, ensuring reliable and high-speed data exchange between various devices and subsystems. It has compact dimensions of 27.4 mm in width, 98 mm in height, and 90 mm in depth, and it weighs 0.11 kg. The QJ71LP21-25 network module is easy to integrate into existing MELSEC Q programmable controller systems. Moreover, the QJ71LP21-25 network module conforms to the CE, UL/cUL, EAC, and UKCA industrial standards. This network module occupies 32 I/O points when it is installed. The QJ71LP21-25 network module can support communication speeds of 10 Mbps or 25 Mbps. The users can set the communication speed with its mode setting switch. The QJ71LP21-25 network module can support 8192 LX/LY link points per network. It can also support up to 64 I/O stations per network, and these 64 stations include 1 control station and 63 normal stations. The QJ71LP21-25 network module can support an overall distance of up to 30 km. Its connection cable option is an optical fiber cable that must be supplied by the users. The QJ71LP21-25 network module’s communication method is a token ring communication method, and its synchronous method is a frame synchronous method. Its internal current consumption rating is 0.55 Amps at 5 Volts DC.