Parameter listing and descriptions
229
ACH550-01 User's Manual
2204
RAMP SHAPE 1
0=LINEAR, 0.1…1000.0 s
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
– Specifies 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
0.0…1800 s
Sets the acceleration time for zero to maximum frequency for ramp
pair 2.
• See 2202
ACCELER
TIME
1.
2206
DECELER TIME 2
20.0…1800 s
Sets the deceleration time for maximum frequency to zero for ramp
pair 2.
• See 2203
DECELER
TIME
1.
2207
RAMP SHAPE 2
0=LINEAR, 0.0…1000.0 s
Selects the shape of the acceleration/deceleration ramp for ramp pair 2.
• See 2204
RAMP
SHAPE
1.
2208
EMERG DEC TIME
0.0…1800 s
Sets the deceleration time for maximum frequency to zero for an
emergency.
• See parameter 2109
EMERG
STOP
SEL
.
• Ramp is linear.
Code Description
Range
FREQ
MAX
FREQ
Linear
S-curve
A
A = 2202
ACCELERATION
TIME
B
B (=0)
B = 2204
RAMP
SHAPE
MAX
T
T
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