Reference Scaling Table; Abb Drives And Dcu Profiles - ABB ACH550-UH User Manual

186
Reference Scaling

ABB Drives and DCU Profiles

The following table describes
Reference
REF1
REF2
Note! The setting of parameter 1104
the scaling of references.
When parameter 1103
COMM
Reference
REF1
Embedded Fieldbus
Reference
Range
Type
-32767 Speed or
... frequency
+32767
-32767 Speed or
... frequency
+32767
Torque
PID
Reference
1
REF
* 1, the reference is scaled as follows:
AI
Value
Setting
+ 1
COMM AI COMM
scaling for the ABB Drives profile.
REFERENCE
ABB Drives and DCU Profiles
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
ABB Drives and DCU Profiles
AI Reference Scaling
(%) +( (%) - 0.5* 1
AI REF MAX
(100 + 0.5 * (Par. 1105)%
100%
(100 - 0.5 * (par. 1105))%
0%
ACH550-UH User's Manual
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
SELECT COMM
(%))
Fieldbus Reference
Correction Coefficient
AI1 Input Signal
50% 100%
+ 1 or
AI