3 PARAMETERS FOR POSITIONING CONTROL
3.13 Parameter Block
221
3
Advanced S-curve acceleration/deceleration
Processing for smooth acceleration/deceleration can be executed by using the advanced S-curve acceleration/deceleration
function. The acceleration section is set as a sine curve as shown in the diagram below.
Each section of acceleration/deceleration is set as a ration using the advanced S-curve acceleration/deceleration setting.
Processing for advanced S-curve acceleration/deceleration is shown below.
Section
Processing
Operation
Acceleration
Deceleration
Rapid stop
A
Acceleration section 1
At the start of acceleration, acceleration continuously changes in
a sinusoidal manner until reaching the maximum acceleration for
trapezoidal acceleration/deceleration.
Set this section in acceleration section 1 ratio (A1R).
B
Maximum acceleration
section
The maximum acceleration for trapezoidal acceleration/
deceleration
C
Acceleration section 2
At the end of acceleration, acceleration continuously changes in
a sinusoidal manner until reaching zero acceleration.
Set this section in acceleration section 2 ratio (A2R).
D
Constant-speed section
The specified control positioning speed
E
Deceleration section 1
At the start of acceleration, deceleration continuously changes in
a sinusoidal manner until reaching the maximum negative
acceleration for trapezoidal acceleration/deceleration.
Set this section in deceleration section 1 ratio (D1R).
F
Maximum negative
acceleration section
The same maximum negative acceleration for trapezoidal
acceleration/deceleration
G
Deceleration section 2
At the end of deceleration, deceleration continuously changes in
a sinusoidal manner until reaching zero acceleration.
Set this section in deceleration section 2 ratio (D2R).
Trapezoidal acceleration
/deceleration
Trapezoidal acceleration
/deceleration
Advanced
S-curve
acceleration/
deceleration
Time
Time
Speed
Acceleration
Advanced S-curve
acceleration/
deceleration
Sine curve
Sine
curve
Speed limit value
Acceleration section 2
ratio (A2R)
Deceleration section 1
ratio (D1R)
Deceleration section 2
ratio (D2R)
Acceleration section 1
ratio (A1R)
Section
A
Section
B
Section
D
Section
F
Deceleration time
(Trapezoidal
acceleration
/deceleration)
Acceleration time
(Trapezoidal
acceleration
/deceleration)
Advanced S-curve
deceleration time
Advanced S-curve
acceleration time
Section
E
Section
C
Section
G
Summary of Contents for MELSEC iQ-R16MTCPU
Page 2: ......
Page 477: ...APPENDICES Appendix 1 Processing Times of the Motion CPU 475 A MEMO ...
Page 481: ......