Mitsubishi Electric Q64RP MELSEC-Q Series Power Supply Module

Description

Engineered for high-availability industrial control applications, the Mitsubishi Electric Q64RP is a redundant power supply module designed specifically for the MELSEC-Q Series PLC platform. This module ensures continuous, uninterrupted system operation by working in a dual-redundant configuration on compatible redundant base units. It converts an AC input voltage into stable 5V DC power to drive the CPUs, I/O modules, and co-processors mounted on the backplane.

The Q64RP is critical for process automation and infrastructure applications where unplanned downtime cannot be tolerated. In a redundant setup, if one power supply module fails, the secondary module seamlessly assumes the full load without interrupting system operation or causing CPU resets. Built-in diagnostic features, including dedicated status LEDs and contact terminal outputs, allow maintenance personnel to quickly identify and replace a faulted module while the control system remains fully energized.

Features

• Redundant Power Architecture: Pairs with another module on redundant base units (such as Q38RB or Q68RB) to guarantee system uptime.
• Hot-Swappable Design: Enables safe replacement of a faulty module while the system is powered and online, eliminating maintenance-related process interruptions.
• Fault Detection Relay: Features dedicated error terminals (ERR) that open or close to signal power failure or diagnostic anomalies to external monitoring systems.
• Wide Input Range: Operates reliably on nominal inputs ranging from 100 to 240 V AC, accommodating global voltage variations.
• Comprehensive Protection Circuits: Includes integrated overcurrent and overvoltage protection to safeguard sensitive backplane components.

Applications

• Water and wastewater treatment facilities requiring continuous pump and filtration control.
• Oil and gas refining, petrochemical processing, and pipeline monitoring systems.
• Power generation plants, substations, and utility management systems.
• Automotive assembly lines and continuous manufacturing processes where unexpected halts lead to high material scrap costs.

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Base Compatibility: Mount the Q64RP exclusively on MELSEC-Q redundant power supply main base units (e.g., Q38RB) or redundant power supply extension base units.
• Grounding Requirements: Always ground the FG and LG terminals using class D grounding (ground resistance of 100 ohms or less) to minimize electromagnetic interference and guarantee safety.
• Wiring: Use M3.5 screws and standardized crimp terminals for all wiring. Tighten terminal screws to a torque spec of 0.59 to 0.88 N·m.
• Ventilation: Ensure a minimum clearance of 30 mm above and below the module to maintain natural convection airflow and keep operating temperatures below 55 degC.

Compliance and Certifications

• CE (EMC Directive, Low Voltage Directive)
• UL / cUL Listed
• KC (Korean Certification for electromagnetic compatibility)