QJ71MT91 Mitsubishi Universal Model Redundant Power Supply Module 5 V DC/3 A

QJ71MT91 Description

• Dual Operational Modes: Simultaneously supports MODBUS/TCP Master (Client) and Slave (Server) functions for versatile network configuration.
• High-Speed Ethernet Connectivity: Auto-detecting 10BASE-T/100BASE-TX port with RJ45 connector for fast, reliable data transmission.
• Extensive Device Compatibility: Manages up to 64 MODBUS/TCP slave devices as a Master, supporting full protocol function codes.
• Concurrent Command Execution: Capable of executing up to 8 dedicated MODBUS instructions simultaneously for efficient multi-device polling.
• Large Data Handling: Supports up to 64k points each for coils, inputs, input registers, and holding registers.
• Automatic Slave Response: Acts as a slave without requiring custom programming, automatically responding to up to 8 external master connections.
• Robust Data Buffer: Internal I/O data area of 4k words for both input and output, ensuring efficient data buffering.
• Industrial Environmental Rating: Wide operating temperature range and high resistance to shock and vibration for harsh environments.
• Easy System Integration: Compact, rack-mountable design for seamless installation into standard PLC racks.
• Comprehensive Status Monitoring: LED indicators for power, network link, activity, and individual communication status.
• Global Certifications: Compliant with international standards including CE, UL/cUL, RoHS, and major marine certifications.

QJ71MT91 Materials & Applications

Materials

• Housing: High-strength, flame-retardant thermoplastic engineering polymer, providing excellent insulation and impact resistance.
• Circuit Board: High-quality FR-4 glass epoxy PCB with multi-layer copper traces for stable signal integrity and heat resistance.
• Ethernet Connector: Industrial-grade RJ45 modular jack with gold-plated contacts for corrosion resistance and reliable connections.
• Internal Components: High-performance Ethernet controller, optocouplers for signal isolation, and industrial-grade passive components.
• Mounting Brackets: Steel rails and locking clips compatible with standard PLC racks, ensuring secure mechanical installation.
• Labeling & Markings: High-durability silk-screened labels and LED light guides for clear status indication.

Typical Applications

• Factory Automation: Connecting PLCs to variable frequency drives (VFDs), servo amplifiers, and HMI panels.
• Process Control Systems: Integration with temperature controllers, pressure transmitters, flow meters, and analytical instruments.
• Material Handling: Communication with conveyors, packaging machines, and sorting systems.
• Building Management: Interfacing with HVAC controllers, power monitoring systems, and safety equipment.
• Water & Wastewater Treatment: Connecting to pump controls, valve actuators, and level sensors.
• Power Generation & Distribution: Monitoring and control of switchgear, UPS systems, and renewable energy equipment.
• Oil & Gas Industry: Remote monitoring of wellheads, pipeline valves, and refinery instrumentation.
• Food & Beverage Manufacturing: Integration with filling machines, labeling equipment, and batch processing systems.
• Marine & Offshore: Automation of shipboard systems, complying with marine environmental standards.
• General Industrial Networks: Creating a unified communication layer between diverse third-party devices.

QJ71MT91 Important Parameters