Mitsubishi Electric MELSEC Q Series Programming Manual page 101

Motion controller, real mode

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3 POSITIONING DEDICATED SIGNALS

(12) Data set pointer for constant-speed control (D15+20n)

This pointer is used in the constant-speed control when specifying positioning

data indirectly and substituting positioning data during operation.

It stores a "point" that indicates which of the values stored in indirect devices has

been input to the Motion CPU.

Use this pointer to confirm which positioning data is to be updated using the

Motion SFC program.

Also, store the positioning data updated last time to the end of a selected device

to use as an updated data set pointer for checking the extent to which the

positioning data has been updated.

Data set pointer for constant-speed control and updated data set pointer are

described here using the example servo program below.

The input situation of positioning data to the Motion CPU is shown the next page

by executing the 2-axes constant-speed control using above the servo program

and updating the positioning data in indirect devices D3000 to D3006.

............................. Monitor device

Repetition instructions

0, 1, 2, etc., starting from the

first instructions defined by the

above repetition instructions :

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