Mitsubishi Electronics QD75P, QD75D user manual Step function settings, Unit step

12CONTROL SUB FUNCTIONS

[6]Precautions during control

MELSEC-Q

(1)When step operation is carried out using interpolation control positioning data, the step function settings are carried out for the reference axis.

(2)When the step valid flag is ON, the step operation will start from the

beginning if the positioning start signal is turned ON while " Md.26 Axis operation status" is "step standing by". (The step operation will be carried out from the positioning data set in " Cd.3 Positioning start No.".)

[7] Step function settings

To use the "step function", write the data shown in the following table to the QD75 using the sequence program. Refer to section [4] "Using the step operation" for the timing of the settings.

The set details are validated when written to the QD75.

			Setting		Buffer memory address
	Setting item			Setting details	Axis	Axis	Axis	Axis
			value
					1	2	3	4
				Set "0: Deceleration unit step" or "1: Data No.
Cd.34		Step mode			1544	1644	1744	1844
				unit step".
Cd.35		Step valid flag	1	Set "1: Carry out step operation".	1545	1645	1745	1845
		Step start		Set "1: Step continue", depending on the stop
Cd.36					1546	1646	1746	1846
		information		status.

Refer to Section 5.7 "List of control data" for details on the setting details.

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