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Mitsubishi Universal model Redundant Power Supply Module QJ71MT91
QJ71MT91Description
The QJ71MT91 is a high-performance MODBUS/TCP network communication module designed for modular industrial PLC systems. It serves as a critical communication gateway, enabling seamless data exchange between the host PLC system and a wide range of third-party MODBUS/TCP-compatible devices. This module supports both Master/Client and Slave/Server functionalities, allowing flexible integration into diverse industrial network architectures. Equipped with a 10/100 Mbps auto-negotiating Ethernet port, it facilitates reliable, high-speed communication over standard twisted-pair cabling, ideal for establishing stable connections in factory automation, process control, and distributed I/O systems.
QJ71MT91 Key Features
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.
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
Parameter
Specification
Model Number
QJ71MT91
Product Type
MODBUS/TCP Master/Slave Communication Module
Network Standard
IEEE 802.3 (10BASE-T/100BASE-TX)
Communication Protocol
MODBUS/TCP
Data Transfer Rate
10 Mbps / 100 Mbps (Auto-negotiating)
Connector
RJ45
Cable Type
Cat 3/4/5 UTP (10BASE-T); Cat 5 STP (100BASE-TX)
Maximum Segment Length
100 m (between hub and node)
Number of Supported Slaves
64 (Master mode)
Concurrent Master Connections
8 (Slave mode)
Concurrent Instructions
8
Data Buffer Size (Input/Output)
4k words / 4k words
I/O Point Capacity
64k points each (Coils, Inputs, Registers)
Power Supply
5 VDC (from PLC backplane)
Current Consumption
0.52 A
Operating Temperature
-10°C ~ +55°C
Storage Temperature
-25°C ~ +75°C
Relative Humidity
5% ~ 95% RH (Non-condensing)
Vibration Resistance
10 ~ 55 Hz, 4.9 m/s²
Shock Resistance
147 m/s² (11 ms)
Dimensions (W x H x D)
27.4 mm x 98 mm x 90 mm
Weight
Approx. 0.11 kg
Mounting
Standard PLC Rack Mount
Certifications
CE, UL/cUL, RoHS, ABS, BV, DNV GL, LR, NK, RINA
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
1000000-5000000
Employee Number:
100~120
Ecer Certification：
Active Member
Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ... Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ...
