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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 : Trapezoid
acceleration/deceleration process
0
Pr.34
Acceleration/deceleration
process selection
1 : S-curve
acceleration/deceleration process
1
0 52 202 352 502
Pr.35
S-curve 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 trapezoid acceleration/deceleration or S-curve
acceleration/deceleration for the acceleration/deceleration process.
Note) Refer to Section 12.7.6 "Acceleration/deceleration process function" for
details.
Speed
The acceleration and
deceleration are linear.
Time
<Trapezoid acceleration/deceleration>
<S-curve acceleration/deceleration>
Time
Speed
The acceleration and
deceleration follow a sine curve.
For the system that uses a stepping motor, executing the S-curve
acceleration/deceleration may cause step-out.
Before using the S-curve acceleration/deceleration, confirm that step-out does not
occur.
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