Mitsubishi RD77MS4 Simple Motion Module High-Performance Positioning Control
Mitsubishi Simple Motion Module RD77MS4
Mitsubishi Simple Motion Module RD77MS4
●Control axes: 4
●Operation cycles: 0.444ms, 0.888ms, 1.777ms, 3.555ms
●Control units: mm, inch, degree, pulse
●Positioning data: 600 data/axis
●Start time (0.444ms, 1 axis): 0.7ms
●Servo amplifier connection: SSCNETⅢ/H
●Maximum station distance: 100m
●External wiring: two 40-pin connectors
●Linear interpolation: 2, 3, 4 axes
●Circular interpolation: 2 axes
●Applications: dispensing, pick-and-place, packaging, stamping, die casting, semiconductor manufacturing
●Part of MELSEC iQ-R series intelligent function modules
●Enables simple programming for high-speed motion, positioning, and synchronization
●Supports cam control, gear, shaft, and gearbox simulation
●Suitable for helical interpolation in milling
●Features: normal start, high-speed start, multi-axis simultaneous start, and ON/OFF pulse time measurement
The Mitsubishi RD77MS4 is a simple motion module supporting up to 4 axes with operation cycles of 0.444ms, 0.888ms, 1.777ms, and 3.555ms. Control units include mm, inch, degree, and pulse, with 600 positioning data points per axis. Startup time (0.444ms cycle, 1 axis) is 0.7ms. It connects via SSCNETⅢ/H to servo amplifiers, with a maximum station distance of 100m and two 40-pin connectors. It supports linear interpolation (2–4 axes) and circular interpolation (2 axes), and is suitable for applications such as sealant/adhesive dispensing, pick-and-place, packaging, press machines, die-casting, and semiconductor wafer processing. As part of the MELSEC iQ-R series, it enables high-speed motion control, synchronous and cam control, and features like spiral interpolation for milling, normal/high-speed/multi-axis startup, and ON/OFF pulse time measurement.
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