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Mitsubishi Melsec-Q QJ71LP21S25-1

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QJ71LP21S25-1

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The QJ71LP21S25-1 network module from Mitsubishi's Melsec-Q series is engineered for efficient communication. It operates with a MELSECNET/H interface and supports data rates of up to 25 Mbps.

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Technical specifications for QJ71LP21S25-1

ManufacturerMitsubishi
Product TypeNetwork module
Product LineMelsec-Q
Part NumberQJ71LP21S25-1
Weight2.00 lbs (0.91 kg)
InterfaceMELSECNET/H
Data Rate25 Mbps/10 Mbps
Max PLC Stations64 stations
Max Remote Stations65 stations
Cable Distance30 km
Ma Networks239 networks
Network TopologyDuplex loop
Communication ProtocolToken ring
EncodingNRZI
Power Supply20.4 to 31.2 VDC
Current Consumption0.2 Amps
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Mitsubishi's QJ71LP21S25-1 is a robust network module designed for communication within the Melsec-Q series. This unit employs the MELSECNET/H interface, permitting data transfer rates ascending to 25 Mbps, with a secondary rate of 10 Mbps available. A maximum of 64 PLC stations and 65 remote stations can be integrated into a single network, providing substantial connectivity options for complex systems.

The module can operate over a cable length of up to 30 kilometers, emphasizing its capability for extensive setups. It also supports up to 239 MA networks configured in a duplex loop topology, ensuring reliability in the communication structure. Utilizing a token ring communication protocol, this network module employs NRZI encoding to facilitate signal transmission.

Power requirements for the QJ71LP21S25-1 are quite specific, with a supply voltage ranging from 20.4 to 31.2 VDC, and the device consumes a modest 0.2 Amps. This carefully designed device integrates seamlessly into existing infrastructures, making it an asset for enhancing network performance.