Dengfeng (XinXing) Trading Co., Limited
| Producttype | Communication Module |
| Ledindicators | Status and communication indicators |
| 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 |
| Mountingtype | DIN Rail or direct mounting on PLC |
| Protocolsupport | Supports multiple industrial communication protocols |
| Firmwareupgradable | Yes |
| Compatibility | Mitsubishi PLCs and Automation Systems |
| Model Number | QJ71LP21-25 |
| Brand Name | Mitsubishi |
| Place of Origin | Japan |
View Detail Information
Explore similar products
Mitsubishi QJ71E71-100 MELSEC-Q Ethernet Communication Module
Mitsubishi QJ71C24N MELSEC-Q Serial Communication Module
Product Specification
| Producttype | Communication Module | Ledindicators | Status and communication indicators |
| 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 |
| Mountingtype | DIN Rail or direct mounting on PLC | Protocolsupport | Supports multiple industrial communication protocols |
| Firmwareupgradable | Yes | Compatibility | Mitsubishi PLCs and Automation Systems |
| Model Number | QJ71LP21-25 | Brand Name | Mitsubishi |
| Place of Origin | Japan |
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.
| 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 |
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.
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 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.
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.
Company Details
Business Type:
Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller
Year Established:
2024
Total Annual:
1000000-1500000
Employee Number:
10~25
Ecer Certification：
Site Member
Company Profile DF Automatic supplies industrial automation spare parts, control system components, and replacement parts to customers worldwide. Our product range covers PLC modules, servo drives, servo motors, variable frequency drives, HMI panels, industrial sensors, pneumatic components, h... Company Profile DF Automatic supplies industrial automation spare parts, control system components, and replacement parts to customers worldwide. Our product range covers PLC modules, servo drives, servo motors, variable frequency drives, HMI panels, industrial sensors, pneumatic components, h...
Get in touch with us
Leave a Message, we will call you back quickly!