Melsec-q, 5 data used for positioning control, Pr.34 acceleration/deceleration process selection – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 126

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MELSEC-Q

5 DATA USED FOR POSITIONING CONTROL

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

0 : Automatic trapezoid
acceleration/deceleration process

0

Pr.34

Acceleration/deceleration
process selection

1 : S-pattern
acceleration/deceleration process

1

0

52

202

352

502

Pr.35

S-pattern ratio

1 to 100 (%)

1 to 100 (%)

100

53

203

353

503

Pr.36

Sudden stop deceleration
time

1 to 8388608 (ms)

1 to 8388608 (ms)

1000

54
55

204
205

354
355

504
505

Pr.37

Stop group 1 sudden stop
selection

56

206

356

506

0 : Normal deceleration stop

0

Pr.38

Stop group 2 sudden stop
selection

57

207

357

507

Pr.39

Stop group 3 sudden stop
selection

1 : Sudden stop

1

0

58

208

358

508

Pr.34 Acceleration/deceleration process selection

Set whether to use automatic trapezoid acceleration/deceleration or S-pattern
acceleration/deceleration for the acceleration/deceleration process.

Note) Refer to Section 12.7.7 "Acceleration/deceleration process function" for
details.

Speed

Time

The acceleration and
deceleration are linear.

<Automatic trapezoid acceleration/deceleration>

<S-pattern acceleration/deceleration>

The acceleration and
deceleration follow a Sin curve.

Speed

Time

The S-pattern acceleration/deceleration is disabled when a stepping motor is used.

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