MELSEC-Q QD77MS Simple Motion Module Modicon Quantum PLC Mitsubishi
Product DescriptionThe QD77M4 is a high-performance Mitsubishi Electric motion controller module designed for precise multi-axis
positioning control in industrial automation systems. It integrates
seamlessly with Mitsubishi’s MELSEC iQ-R Series PLCs, offering advanced motion control capabilities, high-speed
response, and flexible synchronization for complex machinery. Ideal
for applications requiring accuracy, repeatability, and
reliability, the QD77M4 supports up to 4 axes of servo control with real-time monitoring and diagnostics.
Specifications & FeaturesBrand: Mitsubishi Electric Model: QD77M4 Type: Motion Controller Module (for MELSEC iQ-R Series) Control Axes: 4 axes (simultaneous control) Communication Interface: SSCNET III/H (high-speed fiber-optic network) Compatible Servo Drives: Mitsubishi MR-J4 series Programming Software: GX Works3 (motion control configuration) Mounting: DIN rail or direct panel mounting
Materials & BuildHousing: Flame-retardant plastic (UL94 V-0 compliant) Terminals: Gold-plated contacts for corrosion resistance Cooling Method: Natural convection (fanless design) Protection Class: IP20 (indoor use, dust-sensitive)
ApplicationsCNC machines Robotics & pick-and-place systems Packaging machinery Semiconductor manufacturing Printing & textile equipment
Key Parameters (Tabulated)Parameter | Specification | Unit/Notes |
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| Control Method | SSCNET III/H | Fiber-optic communication | | Number of Axes | 4 | Independent/synchronized control | | Positioning Accuracy | ±1 pulse or better | Depends on servo resolution | | Maximum Speed | 10,000,000 pulses/sec (per axis) | Varies by servo motor | | I/O Points | 32 inputs / 32 outputs (configurable) | Digital signals | | Power Supply | 24V DC (±10%) | 0.8A typical consumption | | Operating Temperature | 0°C to +55°C | Storage: -25°C to +75°C | | Vibration Resistance | 5.9 m/s² (10–55 Hz) | JIS B 3502 compliant | | Certifications | CE, UL, cUL, RoHS | Industrial standards |
Note: For detailed wiring diagrams and programming instructions, refer
to the Mitsubishi QD77M4 User - Manufacturer : Mitsubishi Electric
- Product type : MELSEC-Q QD77MS Simple Motion Module
- Number of control axes : 4 axes
- Operation cycle : 0.88ms/1.77ms
- Control method : PTP (Point To Point) control, path control (both
linear and arc can be set), speed control, speed-position switching
control, position-speed switching control, speed-torque control
- Control unit : mm, inch, degree, PLS
- Number of occupied I/O points [points] : 32 (I/O assignment:
Intelligent function module 32 points)
- Internal current consumption (5 V DC) [A] : 0.6
- Flash ROM write count Max. : 100000 times
- External dimensions [cm(inch)] 9.8 (3.86) (H) x 2.74 (1.08) (W) x 9
(3.54) (D)
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