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3 detailed parameters 1, Melsec-q, Pr.11 backlash compensation amount – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

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MELSEC-Q

5 DATA USED FOR POSITIONING CONTROL

5.2.3 Detailed parameters 1

Setting value, setting range

Setting value buffer memory

address

Item

Value set with peripheral device

Value set with

sequence program

Default value

Axis 1 Axis 2 Axis 3 Axis 4

Pr.11

Backlash compensation
amount

The setting value range differs according to the "

Pr.1

Unit

setting".
Here, the value within the [Table 1] range is set.

[Table 1] on right page

0

17

167

317

467

Pr.12

Software stroke limit upper
limit value

2147483647

18
19

168
169

318
319

468
469

Pr.13

Software stroke limit lower
limit value

The setting value range differs according to the "

Pr.1

Unit

setting".
Here, the value within the [Table 2] range is set.

[Table 2] on right page

–2147483648

20
21

170
171

320
321

470
471

0 : Apply software stroke limit on current

feed value

0

Pr.14

Software stroke limit
selection

1 : Apply software stroke limit on

machine feed value

1

0

22

172

322

472

0 : Software stroke limit valid during JOG

operation,inching operation and
manual pulse generator operation

0

Pr.15

Software stroke limit
valid/invalid setting

1 : Software stroke limit invalid during

JOG operation ,inching operation and
manual pulse generator operation

1

0

23

173

323

473

Pr.11 Backlash compensation amount

The error that occurs due to backlash when moving the machine via gears can be
compensated.
When the backlash compensation amount is set, pulses equivalent to the
compensation amount will be output each time the direction changes during
positioning.

Workpiece
(moving body)

Worm gear

Backlash
(compensation amount)

Pr.44

OPR direction