ABB ACS550-01 User Manual page 194

194
Reference
As described earlier in "Control Interface", the
frequency reference.
Reference Scaling
The following table describes
Reference
REF1
REF2
Note! The setting of parameter 1104
the scaling of references.
When parameter 1103
COMM
Reference
REF1
Fieldbus Adapter
Reference
Range
Type
-32767... Speed or
+32767 frequency
-32767... Speed or
+32767 frequency
Torque
PID
Reference
1
REF
* 1, the reference is scaled as follows:
AI
Value Setting
+ 1
COMM AI COMM
REFERENCE
scaling for the ABB Drives profile.
REFERENCE
ABB Drives Profile (FBA)
Scaling
-20000 = -(par. 1105)
0 = 0
+20000 = (par. 1105)
(20000 corresponds to 100%)
-10000 = -(par. 1108)
0 = 0
+10000 = (par. 1108)
(10000 corresponds to 100%)
-10000 = -(par. 1108)
0 = 0
+10000 = (par. 1108)
(10000 corresponds to 100%)
-10000 = -(par. 1108)
0 = 0
+10000 = (par. 1108)
(10000 corresponds to 100%)
1 and 1107
REF MIN
or 1106 2
SELECT REF SELECT
ABB Drives Profile (FBA)
AI Reference Scaling
(%) +( (%) - 0.5* 1
AI REF
(100 + 0.5 * (Par. 1105)%
100%
(100 - 0.5 * (par. 1105))%
ACS550 User's Manual
word is a speed or
Remarks
Final reference limited by
1104/1105. Actual motor
speed limited by 2001/2002
(speed) or 2007/2008
(frequency).
Final reference limited by
1107/1108. Actual motor
speed limited by 2001/2002
(speed) or 2007/2008
(frequency).
Final reference limited by
2015/2017 (torque1) or
2016/2018 (torque2).
Final reference limited by
4012/4013 (PID set1) or
4112/4113 (PID set2).
2 has no effect on
REF MIN
is set to +
COMM
(%))
MAX
Fieldbus Reference
Correction Coefficient
AI1 Input Signal
0% 50% 100%
1 or
AI