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Appendix A - ACS380 in crane applications 559
Notes:
1. When you release the acceleration command (
22.223
), the motor potentiometer
reference (
22.230
) remains in the last reached level. To accelerate further, you
need to activate the acceleration command (
22.223
) again.
2. When you release the reverse command immediately, the motor potentiometer
reference (
22.230
) decreases to zero as per the deceleration time (
23.202
). On
activating the acceleration command again (
22.223
), the motor potentiometer
reference (
22.230
) remains in the last reached level.
The following example shows the behavior of the motor potentiometer value:
Typically, for the motor potentiometer function, parameters are set as follows:
No.
Name
Value
22.11
Ext1 speed ref1
MotPot Crane
22.220
Crane motpot enable
Selected
22.223
Crane motpot accel sel
DIO2
22.224
Crane motpot min speed
300.00
22.226
Crane motpot min value
-1500.00
22.227
Crane motpot max value
1500.00
23.201
Crane motpot acc time 1
4.0 (
visible only if parameter
22.220
Crane
motpot enable
is set to
Selected
)
23.202
Crane motpot dec tme 1
4.0 (
visible only if parameter
22.220
Crane
motpot enable
is set to
Selected
)
22.227
Crane motpot max value
22.224
Crane motpot min speed
22.226
Crane motpot min value
23.201
C
ra
ne mo
tpot ac
c
time
1
23.2
02
C
rane motp
ot dec
tme
1
0
1
1
0
0
1
Start fwd command
Start rev command
Time
Time
Time
Time
22.223
Crane motpot accel sel
23.20
1
C
rane mo
tpot ac
c
time
1
23.20
2
C
ran
e motpot
de
c
tme 1
23.20
1
C
rane m
otpot a
cc
tim
e 1
23.2
01
C
rane m
otpot
ac
c
time 1
2
3.202
C
rane mo
tpot dec
tm
e 1
ACS380 FW.book Page 559 Friday, May 4, 2018 4:18 PM
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