MITSUBISHI LD75D4 Positioning Module

Description

MITSUBISHI LD75D4 Positioning Module

Product Dimensions：

The Mitsubishi LD75D4 is a high-performance 4-Axis Positioning Module from the MELSEC-L Series PLC lineup. It is designed to provide high-speed, high-precision control over servo amplifiers and stepping motors via differential driver (pulse train) outputs.

Product Detailed Description

The LD75D4 acts as the intelligent co-processor for motion control within the MELSEC-L series architecture. It offloads complex positioning calculations (such as linear/circular interpolation and acceleration/deceleration profiles) from the main PLC CPU. The “D” in the model name signifies Differential Driver Output, which offers significantly higher noise immunity and faster pulse rates compared to open-collector alternatives.

Technical Parameters

Product Advantages

• High Noise Immunity: Differential driver outputs naturally cancel out common-mode electromagnetic interference (EMI), ensuring stable pulse transmission even in noisy factory environments.
• Ultra-Fast Response: With a maximum pulse output of 4 Mpps, it easily supports ultra-high-resolution servo encoders for micro-positioning applications.
• Flexible Motion Control: Supports complex movement paths through multi-axis linear and circular interpolation, eliminating the need for a dedicated standalone motion controller.
• Easy Configuration: Seamlessly configures within GX Works2 or GX Works3 software. Users can set up positioning profiles, speed limits, and homing parameters through intuitive parameter tables without complex code.

Important Considerations (Precautions)

• Wiring Separation: Keep the pulse output signal cables isolated from high-voltage AC power lines and motor drive cables to prevent cross-talk and pulse miscounts.
• Distance Limitations: The differential line driver signal is rated for a maximum distance of 10 meters. Exceeding this length can cause signal attenuation and timing errors.
• External Power Supply: Ensure that the external 5V/24V DC power supply used for interface signaling is stable and correctly bonded to prevent ground loop offsets.
• Drive Compatibility: Verify that the connected servo or stepper drive accepts differential pulse input (Line Driver standard) rather than only open-collector input.

Product Applications

The LD75D4 is ideally suited for multi-axis machinery requiring fast, accurate, and repeatable movements:

• Packaging Machinery: Coordinating indexing tables, wrapping arms, and capping mechanisms.
• Pick-and-Place Robots: Controlling Cartesian or SCARA robotic setups for component sorting and assembly.
• Material Handling: Controlling precise positioning systems for automated storage/retrieval systems (AS/RS) and XYZ gantry cranes.
• Semiconductor Manufacturing: Driving precise wafer handling arms and alignment tables.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：