ABB ACQ580 Firmware Manual page 155

No. Name/Value
21.08 DC current control
Bit Value
0 1 = Enable DC hold. See section
Note: The DC hold function has no effect if the start signal is switched off.
1 1 = Enable post-magnetization. See section
Note: Post-magnetization is only available when ramping is the selected stop mode (see
parameter
Note: Post-magnetization with scalar control is not supported at the moment.
2...15 Reserved
0000b...0011b
21.09 DC hold speed
0.00...1000.00 rpm
21.10 DC current
reference
0.0...100.0%
21.11 Post magnetization
time
0...3000 s
21.14 Pre-heating input
source
Off
On
DI1
DI2
DI3
DI4
DI5
DI6
Supervision 1
Supervision 2
Description
Activates/deactivates the DC hold and post-magnetization
functions. See section
Note: DC magnetization causes the motor to heat up. In
applications where long DC magnetization times are required,
externally ventilated motors should be used. If the DC
magnetization period is long, DC magnetization cannot
prevent the motor shaft from rotating if a constant load is
applied to the motor.
DC hold
21.03 Stop mode).
DC magnetization selection.
Defines the DC hold speed in speed control mode. See
parameter 21.08 DC current
(page 77).
DC hold speed.
Defines the DC hold current in percent of the motor nominal
current. See parameter
DC magnetization (page 76).
DC hold current.
Defines the length of time for which post-magnetization is
active after stopping the motor. The magnetization current is
defined by parameter
See parameter 21.08 DC current
Post-magnetization time.
Selects the source for controlling pre-heating for the motor.
The status of the pre-heating is shown as bit 2 of
status word 3.
Notes:
• The heating function requires that STO is not triggered.
• The heating function requires that the drive is not faulted.
0. Pre-heating is always deactivated.
1. Pre-heating is always activated when the drive is stopped.
Digital input DI1 (10.02 DI delayed
Digital input DI2 (10.02 DI delayed
Digital input DI3 (10.02 DI delayed
Digital input DI4 (10.02 DI delayed
Digital input DI5 (10.02 DI delayed
Digital input DI6 (10.02 DI delayed
Bit 0 of 32.01 Supervision status
Bit 1 of 32.01 Supervision status
DC magnetization (page 76).
(page 77).
Settings (page 77).
control, and section
21.08 DC current control, and section
21.10 DC current reference.
control.
status, bit 0).
status, bit 1).
status, bit 2).
status, bit 3).
status, bit 4).
status, bit 5).
(see page 184).
(see page 184).
Parameters 151
Def/FbEq16
0000b
1 = 1
5.00 rpm
DC hold
See par.
46.01
30.0%
1 = 1%
0 s
1 = 1 s
Off
06.21 Drive
0
1
2
3
4
5
6
7
8
9