Mitsubishi Electric Q64TCTTBW MELSEC-Q Series Temperature Control Module

Description

Designed for high-precision thermal regulation within industrial automation architectures, the Q64TCTTBW serves as a dedicated multi-channel temperature control module for the Mitsubishi Electric MELSEC-Q Series PLC platform. This module integrates PID control loops directly with thermocouple sensor interfaces to provide stable, real-time temperature regulation without overloading the main PLC CPU.

The unit supports four channels of thermocouple inputs and features integrated heater disconnection detection (indicated by the "BW" designation), which utilizes external current transformers (CTs) to monitor load currents and quickly identify heating element failures. This capability is vital for packaging machinery, plastics extrusion, semiconductor manufacturing, and environmental chambers where thermal stability and heating element integrity are critical.

Features

• Direct integration with MELSEC-Q Series base units for high-speed backplane communication.
• Four independent temperature control channels with individual PID loops.
• Thermocouple input compatibility supporting standard sensor types (such as K, J, T, R, and S).
• Heater disconnection detection capability using external current transformer (CT) feedback.
• Auto-tuning functionality for automated determination of optimal PID constants.
• Sensor disconnection and loop disconnection alarm configurations.
• Transistor outputs optimized for controlling Solid State Relays (SSRs).

Applications

• Plastics processing, injection molding, and extrusion systems.
• Semiconductor manufacturing and wafer processing equipment.
• Industrial packaging machines and heat-sealing bars.
• Food processing ovens and environmental test chambers.

Technical Specifications

Installation Guidelines

When installing the module on a MELSEC-Q series base unit, ensure the system power supply is completely switched off to prevent electrical shock or module damage. Align the module's bottom guide lug with the base unit slot, push the module firmly into place, and secure the module fixing screw (M3 x 12) to a torque of 0.36 to 0.48 N-m.

To minimize electromagnetic interference, route thermocouple input cables and Current Transformer (CT) leads separately from high-voltage AC power lines and motor drive cables. Utilize shielded cables for sensor runs and ensure proper grounding configurations are maintained.

Compliance and Certifications

• CE (EMC Directive)
• UL / cUL Listed
• KC (Korean Certification)