Mitsubishi Electric QD70D4 MELSEC-Q Series Multi-Axis Positioning Module

Description

Engineered for high-speed, high-precision motion tasks within industrial automation architectures, the QD70D4 multi-axis positioning module provides highly responsive control for up to four independent axes. This module utilizes a differential driver output method, delivering high-speed pulse trains up to 4 Mpps to coordinate precise movements across diverse machinery configurations. Operating seamlessly on the MELSEC-Q Series platform, it is well-suited for Point-to-Point (PTP) positioning and basic linear trajectory control without the overhead of complex programming.

The module features exceptionally low startup latency, executing single-axis moves in 0.1 ms and synchronized four-axis starts within 0.2 ms. It is designed to handle speed and position switching seamlessly, making it an excellent choice for applications requiring dynamic transit profile adjustments. Interface connections are established via dual 40-pin connectors, allowing robust and secure field-wiring integration with compatible drive units.

Features

• Four-axis independent control using high-speed differential driver pulse outputs.
• Fast startup response times: 0.1 ms for single-axis and 0.2 ms for simultaneous four-axis execution.
• Supports both PTP control and linear trajectory control.
• Configurable acceleration and deceleration methods including trapezoidal and S-curve profiles.
• Accommodates up to 10 positioning data points per axis.
• Direct speed and position switching capabilities to adapt dynamically to process conditions.

Applications

• Automated material handling and packaging systems.
• Precision electronic assembly and pick-and-place machinery.
• High-speed labeling, sorting, and indexing systems.
• Machine tool feed systems and general manufacturing positioning lines.

Technical Specifications

Installation Guidelines

• Ensure the PLC rack power is completely shut down before inserting or removing the positioning module.
• Keep differential signal cables and high-frequency pulse lines isolated from high-voltage AC power lines to avoid electromagnetic interference.
• Always use shielded twisted-pair cables for external connection lines and ground the shield properly at the receiver end.
• Verify that the maximum cable length to the drive amplifier does not exceed the specified 10-meter limit to prevent signal degradation.