ABB ACS880 Firmware Manual page 264

264 Parameters
No. Name/Value
30.19 Minimum torque 1
-1600.0 ... 0.0%
30.20 Maximum torque 1
0.0 ... 1600.0%
30.21 Minimum torque 2
source
Zero
AI1 scaled
AI2 scaled
PID
Minimum torque 2
Other
30.22 Maximum torque 2
source
Zero
AI1 scaled
AI2 scaled
PID
Maximum torque 2
Other
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Description
Defines a minimum torque limit for the drive (in percent of
nominal motor torque). See diagram at parameter
Minimum torque sel.
The limit is effective when
• the source selected by
• 30.18 is set to Minimum torque
Note: Do not set this parameter to 0% in an attempt to prevent
reverse rotation. In an open-loop application, that is likely to
prevent the motor from stopping altogether. To prevent
reverse rotation, use the speed/frequency limits in this
parameter group, or parameters 20.23/20.24.
Minimum torque limit 1.
Defines a maximum torque limit for the drive (in percent of
nominal motor torque). See diagram at parameter
Minimum torque sel.
The limit is effective when
• the source selected by
• 30.25 is set to Maximum torque
Maximum torque 1.
Defines the source of the minimum torque limit for the drive (in
percent of nominal motor torque) when
• the source selected by parameter
sel is 1, or
• 30.18 is set to Minimum torque 2
See diagram at 30.18 Minimum torque
Note: Any positive values received from the selected source
are inverted.
None.
12.12 AI1 scaled value (see page 158).
12.22 AI2 scaled value (see page 160).
40.01 Process PID output actual
controller).
30.23 Minimum torque 2.
Source selection (see Terms and abbreviations
Defines the source of the maximum torque limit for the drive
(in percent of nominal motor torque) when
• the source selected by parameter
sel is 1, or
• 30.25 is set to Maximum torque 2
See diagram at 30.18 Minimum torque
Note: Any negative values received from the selected source
are inverted.
None.
12.12 AI1 scaled value (see page 158).
12.22 AI2 scaled value (see page 160).
40.01 Process PID output actual
controller).
30.24 Maximum torque 2.
Source selection (see Terms and abbreviations
30.18
30.18 Minimum torque sel
1.
30.18
30.25 Maximum torque sel
1.
30.18 Minimum torque
source.
sel.
(output of the process PID
on page 112). -
30.25 Maximum torque
source.
sel.
(output of the process PID
on page 112). -
Def/FbEq16
-300.0%
is 0, or
See par.
46.03
300.0%
is 0, or
See par.
46.03
Minimum
torque 2
0
1
2
5
6
Maximum
torque 2
0
1
2
5
6