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Mitsubishi Electric QJ71LP21-25 Link Unit Networking Module
Mitsubishi Electric QJ71LP21-25 Link Unit Networking Module
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Description:
The Mitsubishi Electric QJ71LP21-25 Link Unit Networking Module enables high-speed, fiber-optic MELSECNET/10 communications between PLC stations in MELSEC-Q Series systems. This rack-mounted module, designed for the Q-series base unit, supports a ring/loop topology with multiple network nodes and transmits up to 10 Mbps over fiber optic cable, reaching up to 25 km in suitable configurations. It is commonly applied in factory automation, material handling, power plants, and process industries where multiple PLCs and devices must communicate over long distances. Common replacements include Mitsubishi QJ71LP21, QJ71LP21G, and QJ71BR11.
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