ABB ACS880 Firmware Manual page 220

220 Parameters
No. Name/Value
23.16 Shape time acc 1
0.000 ...1800.000 s Ramp shape at start of acceleration.
23.17 Shape time acc 2
0.000 ...1800.000 s Ramp shape at end of acceleration.
23.18 Shape time dec 1
0.000 ...1800.000 s Ramp shape at start of deceleration.
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Description
Defines the shape of the acceleration ramp at the beginning of
the acceleration.
0.000 s: Linear ramp. Suitable for steady acceleration or
deceleration and for slow ramps.
0.001...1000.000 s: S-curve ramp. S-curve ramps are ideal
for lifting applications. The S-curve consists of symmetrical
curves at both ends of the ramp and a linear part in between.
Note: For safety reasons, shape times are not applied to
emergency stop ramps.
Acceleration:
Speed
Linear ramp:
23.16 = 0 s
Deceleration:
Speed
Linear ramp:
23.18 = 0 s
Linear ramp:
23.19
Defines the shape of the acceleration ramp at the end of the
acceleration. See parameter
Defines the shape of the deceleration ramp at the beginning
of the deceleration. See parameter
Linear ramp:
23.17 = 0 s
Shape time
S-curve ramp:
23.17 > 0 s
S-curve ramp:
23.16 > 0 s
S-curve ramp:
23.18 > 0 s
S-curve ramp:
23.19
= 0 s
23.16 Shape time acc 1.
23.16 Shape time acc
Def/FbEq16
0.000 s
Time
> 0 s
Time
10 = 1 s
0.000 s
10 = 1 s
0.000 s
1.
10 = 1 s