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QJ71LP2125

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Mitsubishi Electric's QJ71LP2125 MELSECNET/H Network Module is a robust and dependable networking solution for automated production lines. It's an important part of making sure all the gadgets on a network can talk to each other without any hiccups. The MODE switch allows users to toggle between two different communication rates (25 Mbps and 10 Mbps) to meet the needs of various industrial applications. A total of 65 stations, including one remote master and sixty-five remote I/O stations, may be connected to a single network using this network module. This facilitates the synchronized and coordinated operation of several devices in an industrial setting through their integration and coordination. Coverage for large-scale applications is ensured by the QJ71LP2125 module's remarkable total distance capacity of 30 km. This network module allows for versatile and adaptable network topologies due to its compatibility with optical fiber cables and 2-core optical connector connectors that are user-supplied. The token ring is based on a duplex loop transmission channel format and uses a synchronized frame for data delivery between devices. The frame synchronization technique is used to achieve this synchronization, which ensures consistent and well-coordinated data transmission across all network nodes. The QJ71LP2125 module employs the NRZI coding method (Non-Return to Zero Inverted) and the HDCL standards for frame format transmission to ensure reliable and error-free data transfer. It uses a polynomial of X16 + X12 + X5 + 1 for its Cyclic Redundancy Check (CRC) and other error-control techniques. The module allows for retry via timeover in the case of a transmission fault, improving the security and dependability of networked data transfers. The QJ71LP2125 module's small size (it measures 9.8 cm in height, 2.74 cm in width, and 9 cm in depth) and low weight (0.11 kg) make it simple to install and incorporate into new or current setups. It is efficient in terms of energy use since its internal current usage at 5 V DC is just 0.55 A.

Technical Specifications for QJ71LP2125

Manufacturer:Mitsubishi Electric
Product NoQJ71LP2125
Product type:MELSECNET/H Network Module (optical loop type)
Communication speed:25 Mbps / 10 Mbps (selected with MODE switch)
Number of stations per network:65 stations (Remote master stations: 1, Remote I/O stations: 64)
Network cable:Optical fiber cable (procured by a user)
Applicable connectors:2-core optical connector plug (procured by a user)
Maximum number of networks:239 (Total including PLC to PLC networks)
Transmission path :Duplex loop
Communication method:Token ring
5 V DC internal current consumption:0.55 A
Number of occupied I/O points:32 points (Intelligent function module: 32 points)

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.