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QD77GF8

The QD77GF8 is an 8-axis high-speed positioning module for Mitsubishi's Q Series PLCs, designed for precision motion control in advanced automation systems. It supports SSCNET III/H fiber-optic communication for ultra-fast, synchronized multi-axis control.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Features
1. Multi-Axis Synchronization
Controls 8 servo axes simultaneously via SSCNET III/H (up to 150Mbps)

Nanosecond-level synchronization for precision motion

Supports linear/circular interpolation (up to 4 axes synchronized)

2. High-Speed Performance
0.88ms control cycle (for all 8 axes)

4Mpps (4,000,000 pulses/sec) maximum pulse output

Advanced vibration suppression for smooth operation

3. Flexible Motion Control
Multiple control modes:

Position control (absolute/relative)

Speed control

Torque control

JOG operation

Electronic cam and gear following functions

4. Enhanced Diagnostics
Real-time monitoring of position/speed/torque

Error history logging (up to 16,000 records)

Collision detection and soft limit functions

5. Easy Configuration
GX Works3 programming software support

Motion SFC language for intuitive programming

Auto-tuning for servo parameters

Technical Specifications
Parameter Specification
Model QD77GF8
Control Axes 8 axes
Interface SSCNET III/H (fiber optic)
Max. Pulse Speed 4Mpps
Control Cycle 0.88ms (8 axes)
Position Range -2,147,483,648 to +2,147,483,647 pulses
Program Capacity 256 motion programs
Power Supply 5VDC (from base unit, 1.5A max)
Dimensions 27.4 × 98 × 110 mm
Weight Approx. 0.5kg
Wiring & Connections
SSCNET III/H ports: For connecting MR-J4/J5 servo amplifiers

Dedicated I/O signals: For external control (START, STOP, etc.)

SD card slot: For data backup/restore

Typical Applications
Semiconductor manufacturing equipment

Industrial robots (multi-axis control)

Precision CNC machines

Electronic component assembly lines

High-speed packaging systems