ABB ACH550-UH-011A-6 User Manual page 234

ACH550-01 User's Manual
Code Description
2204 RAMP SHAPE 1
Selects the shape of the acceleration/
deceleration ramp for ramp pair 1.
See B in the figure.
• Shape is defined as a ramp, unless
additional time is specified here to
reach the maximum frequency. A
longer time provides a softer
transition at each end of the slope.
The shape becomes an s-curve.
• Rule of thumb: 1/5 is a suitable
relation between the ramp shape
time and the acceleration ramp
time.
0.0 =
LINEAR
acceleration/deceleration ramps for
ramp pair 1.
0.1...1000.0 – Specifies s-curve
acceleration/deceleration ramps for
ramp pair 1.
2205 ACCELER TIME 2
Sets the acceleration time for zero to maximum frequency for ramp
pair 2.
• See 2202
ACCELER TIME
2206 DECELER TIME 2
Sets the deceleration time for maximum frequency to zero for ramp
pair 2.
• See 2203
DECELER TIME
2207 RAMP SHAPE 2
Selects the shape of the acceleration/deceleration ramp for ramp pair 2.
• See 2204
RAMP SHAPE
2208 EMERG DEC TIME
Sets the deceleration time for maximum frequency to zero for an
emergency.
• See parameter 2109
• Ramp is linear.
Parameter listing and descriptions
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– Specifies linear
1.
1.
1.
EMERG STOP SEL
Range
0=LINEAR, 0.1...1000.0 s
MAX
Linear
FREQ
MAX
S-curve
FREQ
A
A = 2202
ACCELERATION TIME
B = 2204
RAMP SHAPE
0.0...1800 s
20.0...1800 s
0=LINEAR, 0.0...1000.0 s
0.0...1800 s
.
B (=0)
T
B
T
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