ABB ACS880 Firmware Manual page 179

Primary control program
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No.
Name/Value
DI5
DI6
Other [bit]
26.15
Load share
-8.000 ... 8.000
26.16
Torque additive 1
source
Zero
AI1 scaled
AI2 scaled
FB A ref1
FB A ref2
DDCS ctrl ref1
DDCS ctrl ref2
D2D or M/F
reference 1
D2D or M/F
reference 2
Motor
potentiometer
PID
Other
26.17
Torque ref filter time
0.000 ... 30.000 s
26.18
Torque ramp up
time
0.000 ... 60.000 s
26.19
Torque ramp down
time
0.000 ... 60.000 s
26.25
Torque additive 2
source
Zero
AI1 scaled
Description
Digital input DI5
(10.02 DI delayed
Digital input DI6
(10.02 DI delayed
Source selection (see
Terms and abbreviations
Defines the scaling factor for the torque reference (the torque
reference is multiplied by the value).
This allows drives sharing the load between two motors on
the same mechanical plant to be tailored to share the correct
amount each, yet use the same master torque reference.
Torque reference scaling factor.
Selects the source for torque reference additive 1.
Note: For safety reasons, the additive is not applied when an
emergency stop is active.
See the control chain diagram on page 396.
None.
12.12 AI1 scaled value
(see page 113).
12.22 AI2 scaled value
(see page 114).
03.05 FB A reference 1
03.06 FB A reference 2
03.11 DDCS controller ref 1
03.12 DDCS controller ref 2
03.13 M/F or D2D ref1
(see page 93).
03.14 M/F or D2D ref2
(see page 93).
22.80 Motor potentiometer ref act
potentiometer).
40.01 Process PID output actual
controller).
Source selection (see
Terms and abbreviations
Defines a low-pass filter time constant for the torque
reference.
Filter time constant for torque reference.
Defines the torque reference ramp-up time, ie. the time for the
reference to increase from zero to nominal motor torque.
Torque reference ramp-up time.
Defines the torque reference ramp-down time, ie. the time for
the reference to decrease from nominal motor torque to zero.
Torque reference ramp-down time.
Selects the source of torque reference additive 2.
The value received from the selected source is added to the
torque reference after operating mode selection. Because of
this, the additive can be used in speed and torque modes.
Note: For safety reasons, the additive is not applied when an
emergency stop is active.
See the control chain diagram on page 398.
None.
12.12 AI1 scaled value
(see page 113).
status, bit 4).
status, bit 5).
(see page 92).
(see page 92).
(see page 93).
(see page 93).
(output of the motor
(output of the process PID
Parameters 179
Def/FbEq16
7
8
on page 88).
-
1.000
1000 = 1
Zero
0
1
2
4
5
10
11
12
13
15
16
on page 88).
-
0.000 s
1000 = 1 s
0.000 s
100 = 1 s
0.000 s
100 = 1 s
Zero
0
1

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