214
ACQ550-U1 User’s Manual
Embedded fieldbus
Reference scaling
ABB Drives and DCU profiles
The following table describes
REFERENCE
scaling for the ABB Drives and DCU
profiles.
Note:
The setting of parameter 1104
REF
1
MIN
and 1107
REF
2
MIN
has no effect on
the scaling of references.
When parameter 1103
REF
1
SELECT
or 1106
REF
2
SELECT
is set to
COMM
+
AI
1 or
COMM
*
AI
1, the reference is scaled as follows:
ABB Drives and DCU profiles
Reference
Range
Reference
type
Scaling
Remarks
REF1
-32767
…
+32767
Speed or
frequency
-20000 = -
(par. 1105)
0 = 0
+20000 =
(par. 1105)
(20000 corresponds to 100%)
Final reference limited by
1104/1105. Actual motor
speed limited by 2001/2002
(speed) or 2007/2008
(frequency).
REF2
-32767
…
+32767
Speed or
frequency
-10000 = -
(par. 1108)
0 = 0
+10000 =
(par. 1108)
(10000 corresponds to 100%)
Final reference limited by
1107/1108. Actual motor
speed limited by 2001/2002
(speed) or 2007/2008
(frequency).
Torque
-10000 = -
(par. 1108)
0 = 0
+10000 =
(par. 1108)
(10000 corresponds to 100%)
Final reference limited by
2015/2017 (torque1) or 2016/
2018 (torque2).
PID
Reference
-10000 = -
(par. 1108)
0 = 0
+10000 =
(par. 1108)
(10000 corresponds to 100%)
Final reference limited by
4012/4013 (PID set1) or
4112/4113 (PID set2).
ABB Drives and DCU profiles
Reference
Value
setting
AI reference scaling
REF1
COMM
+
AI
1
COMM
(%) +(
AI
(%) - 0.5 ·
REF
1
MAX
(%))
0%
50%
(100 + 0.5 · (Par. 1105)%
(100 - 0.5 · (par. 1105))%
100%
100%
AI1 input signal
Fieldbus reference
correction coefficient
Содержание ACQ550-x1-06A6-2
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