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Mitsubishi QJ71LP21-25 MELSEC-Q MELSECNET/H Network Module

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Mitsubishi QJ71LP21-25 MELSEC-Q MELSECNET/H Network Module

Name: Mitsubishi QJ71LP2125 MELSECQ MELSECNETH Network Module
Brand: Mitsubishi
Price: 200 USD

Price : USD 200 - 250 / Unit

Producttype : Communication Module

Ledindicators : Status and communication indicators

Model Number : QJ71LP21-25

Operatingtemperaturerange : -10°C to 55°C

Delivery Time : 7-14 Days

Manufacturer : Mitsubishi Electric

Powersupply : 5V DC or 24V DC (model dependent)

Supply Ability : 10 Units per Month

Productname : Mitsubishi Communication Modules

Dimensions : Varies by model, typically compact size

Packaging Details : Anti-static Bag + Carton Box + Foam Protection

Datatransferrate : Up to 100 Mbps (model dependent)

Interfacetype : Serial, Ethernet, or Fieldbus depending on model

Brand Name : Mitsubishi

Mountingtype : DIN Rail or direct mounting on PLC

Place of Origin : Japan

Protocolsupport : Supports multiple industrial communication protocols

MOQ : 1 unit

Firmwareupgradable : Yes

Compatibility : Mitsubishi PLCs and Automation Systems

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Product Overview

Mitsubishi QJ71LP21-25 is a MELSEC-Q series MELSECNET/H network module used in PLC communication systems, factory automation networks, production line control, and industrial network replacement projects. It is designed for Q series PLC systems that require high-speed network communication between controllers, remote I/O stations, and automation equipment.

This model is important for plants that continue to operate MELSECNET/H-based automation systems. In older production lines, a network module failure can stop PLC-to-PLC communication, remote station control, or production data exchange. QJ71LP21-25 is therefore a valuable spare part for maintenance replacement and legacy PLC network support.

Main Features

MELSEC-Q series MELSECNET/H network module
Used for PLC-to-PLC and remote station communication
Suitable for existing Q series industrial network systems
Useful for legacy network maintenance and production line recovery
Important communication spare part for factory automation systems

Technical Specifications

Model	QJ71LP21-25
Brand	Mitsubishi
Series	MELSEC-Q
Product Type	MELSECNET/H Network Module
Network Type	MELSECNET/H, confirm by installed system
Function	PLC Network Communication and Remote Station Connection
Application	Industrial PLC Network Integration
Replacement Check	Confirm network type, station setting, cable type, parameter setting, and PLC project

Compatible System and Applications

QJ71LP21-25 is used in MELSEC-Q PLC systems with Q series CPU modules, base units, power supply modules, remote I/O systems, communication networks, and production line control architectures. It is suitable for large machines, multi-station production lines, material handling systems, process control networks, and factory automation systems using MELSECNET/H communication.

Maintenance and Replacement Notes

When replacing QJ71LP21-25, confirm the complete model number, network type, station number, cable connection, network parameter, PLC program, remote station layout, and existing communication structure. Network faults may also be caused by cable damage, station setting errors, parameter mismatch, remote module failure, or power supply problems.

Related Models

Related models include QJ71LP21-25, QJ71LP21G, QJ71BR11, QJ72LP25-25, QJ72BR15, QJ71E71-100, and QJ71C24N. These models may differ by network type, cable system, remote station function, communication speed, and PLC system architecture.

Inquiry and Supply Notes

DF Automatic supplies Mitsubishi MELSEC-Q network modules, Ethernet modules, serial communication modules, CPU modules, I/O modules, power supplies, base units, HMI panels, servo systems, inverter drives, and industrial automation spare parts for factory maintenance and legacy PLC network repair.

China Mitsubishi QJ71LP21-25 MELSEC-Q MELSECNET/H Network Module factory

Mitsubishi QJ71LP21-25 MELSEC-Q MELSECNET/H Network Module Images

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