Position Control – Q Series

The QD75MH positioning module can be used for a wide range of applications from stand-alone configurations for single-axis tasks to the coordinated movement of up to 4 axes per module.

Conection via SSC-Net

When MR-J3-B server amps are used the QD75M can be connected via the SSCNET III motion control network. In addition to precise positioning and control, this high-speed serial network also supports configuration of the servo amps and data monitoring in real time. SSCNET III also cuts costs by reducing wiring overheads.

QD75 servo system

Easy Programming

You configure your position data and all the necessary associated parameters with GX Configurator-QP. This user-friendly software package has extensive testing features that enable you to check all the QD75MH functions without a PLC program. Positioning can also be simulated offline, using the position data stored in the module. When you switch to Monitor mode GX Configurator-QP is also an excellent diagnostics tool.

Powerful and compact

The versions of the QD75MH differ only in the number of servo amplifiers that can be connected. You can choose the model to suit the needs of your application, for controlling 1, 2 or 4 axes.
Each positioning module occupies only one PLC slot and 32 I/O points. You can install up to 64 modules.

Fast Positioning start

Positioning begins just 3.5 – 6 ms after the start signal is emitted by the CPU. This time can be made even shorter if the position values are read in before the start signal is triggered.

Large choice of positioning moves

A large selection of positioning modes are supported, enabling you to handle virtually all industrial positioning tasks for example point-to-point positioning, positioning with a constant feed rate, positioning with speed control and positioning with switching between speed and position control.

Linear and Circular interpolation

A single positioning module can control up to 4 axes with linear interpolation and up to 2 axes with circular interpolation.





QD75 Example application

Flaxible

Independently-programmable acceleration and decelerationtimes provide versatility for a wide range of applications.

The QD75MH supports two different start-up and braking modes: Automatic, trapezoidal acceleration and deceleration with linear ramps and S-form acceleration and deceleration that is more gentle on the servo drive and mechanical components.

External I/O signals

The QD75MH can process external signals directly, without having to pass them through the PLC CPU for example start and stop signals and switches for return to zero and for limiting travel. A manual rotary control can be connected for manual operation of an axis.


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