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Home Product QJ71LP21G Mitsubishi MELSEC-Q CC-Link Interface Module for PLC Systems
QJ71LP21G

QJ71LP21G Mitsubishi MELSEC-Q CC-Link Interface Module for PLC Systems

QJ71LP21G
Mitsubishi QJ71LP21G
Melsec Q Profibus Module
QJ71LP21G
Mitsubishi QJ71LP21G Melsec Q Profibus Module enables high-speed Profibus-DP communication for industrial automation systems. Designed to integrate Melsec Q PLCs with Profibus networks, it ensures reliable data exchange and supports seamless connectivity with diverse Profibus devices for efficient control and monitoring applications.
Categories:Automation
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Product Description

The Mitsubishi QJ71LP21G is a Melsec Q Profibus Module designed as a high-performance Profibus-DP master interface for industrial automation systems. This module supports up to 125 Profibus-DP slave devices via a single RS-485 port, enabling seamless integration within complex networks. Operating at 5VDC (±10%) with a temperature range of 0–55°C, it ensures reliability in harsh environments like manufacturing, process control, and logistics. The QJ71LP21G features real-time communication at speeds up to 12 Mbps, configurable via GX Configurator software. Its plug-and-play design simplifies installation, while robust error diagnostics enhance system stability. However, setup requires specialized knowledge of Profibus protocols, and compatibility is limited to Mitsubishi Q-series PLCs. Compact and rugged, this module optimizes data exchange in PROFIBUS-DP networks.
Parameter Specification
Model QJ71LP21G
Product Name Mitsubishi QJ71LP21G
Category Melsec Q Profibus Module
Communication Protocol Profibus-DP
Interface RS-485
Transmission Speed 9.6 kbps - 12 Mbps
Max Nodes Supported 124 nodes (including master)
Input/Output Data 244 bytes input / 244 bytes output
Applicable PLC Series Q Series PLC
Power Supply 5V DC ±10% (via base unit)
Mounting DIN rail or direct mounting
Certification CE, UL, cUL
Operating Temperature 0°C to 55°C
Storage Temperature -25°C to 75°C
question:Can I schedule a self-pickup with the official courier service?
answer:Yes, self-pickup can be arranged through your account portal or by contacting our support team.
question:Can I apply for low-value declaration on shipments?
answer:Low-value declaration is possible if eligible. Confirm eligibility and requirements with your assigned account manager.
question:Why is the shipping cost high? Are there more economical options?
answer:We offer multiple carriers. Contact our team to review your shipment details for cost-effective solutions.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I schedule a self-pickup with the official courier service?
answer:Yes, self-pickup can be arranged through your account portal or by contacting our support team.
question:Can I apply for low-value declaration on shipments?
answer:Low-value declaration is possible if eligible. Confirm eligibility and requirements with your assigned account manager.
question:Why is the shipping cost high? Are there more economical options?
answer:We offer multiple carriers. Contact our team to review your shipment details for cost-effective solutions.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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