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Positioning unit for the versatile MELSEC-Q series (SSCNETIII compatible)
Many functions required in a positioning control system, such as positioning control to arbitrary positions and constant-speed control, are provided.
This is an ideal positioning unit for systems comprising many axes but not requiring complex controls.
Perfect for simple positioning based on high-speed, linear control. Linear interpolation operations involving up to 4 axes are possible.
Comes with basic positioning functions such as electronic gears, backlash correction and an absolute position system.
Type Name | QD74MH□ | |
---|---|---|
Servo amplifier connection method | SSCNETIII | |
Maximum connection distance between drive units | 50 m | |
Control method | PTP (point to point) control, path control (linear only) | |
Starting time | 1-axis linear control | 0.88 ms |
2-axis linear interpolation control | ||
3-axis linear interpolation control | ||
4-axis linear interpolation control |
Sample system configuration
Wire saving due to the due SSCNET III Cables and also permits connection distances of up to 50 m between stations.
An easily supported absolute positioning system where the origin position can be established by data-set type origin return.
In addition, the upper-limit LS / lower-limit LS / proximity dog signals can also be inputted to the servo amplifier, which achieves a significant wire saving.
QD75MH□ | QD75M□ | ||
---|---|---|---|
Servo amplifier connection method | SSCNETIII | SSCNET | |
Maximum connection distance between drive units | 50 m | 30 m | |
Control method | PTP (point to point) control, Path control (linear and arc configurable), speed control, Speed/position switching control, position/speed switching control | ||
Starting time*1 | 1-axis linear control | 3.5 ms | 6.0 ms |
1-axis speed control | 3.5 ms | 6.0 ms | |
2-axis linear interpolation control | 4.0 ms | 7.0 ms | |
2-axis circular interpolation control | 4.0 ms | 7.0 ms | |
2-axis speed control | 3.5 ms | 6.0 ms | |
3-axis linear interpolation control | 4.0 ms | 7.0 ms | |
3-axis speed control | 3.5 ms | 6.0 ms | |
4-axis linear interpolation control | 4.0 ms | 7.0 ms | |
4-axis speed control | 4.0 ms | 7.0 ms |
Sample system configuration
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Positioning data number | 32 | Representative Standard | CE / UL | Single Control Unit | pulse |
---|---|---|---|---|---|
Positioning data number(Data/Axis) | 32 | Interpolation function | 2 Axis/ 3 Axis/ 4 Axis Linear Interpolation, 2 Axis Circular Interpolation |
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