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190
Reference
As described earlier in "Control Interface", the
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
Supplied from China by: Guangzhou Tofee Electro Mechanical Equipment Co., Ltd
Email: info@tofee.com.cn
Reference
Range
Type
-32767...
Frequency
+32767
-32767...
Frequency
+32767
PID
Reference
1
REF
SELECT
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%)
1
and 1107
REF
MIN
or 1106
2
REF
SELECT
ABB Drives Profile (FBA)
AI Reference Scaling
(%) +(
(%) - 0.5*
1
AI
REF
MAX
(100 + 0.5 * (Par. 1105)%
100%
(100 - 0.5 * (par. 1105))%
0%
ACS510 User's Manual
word is a
frequency
Remarks
Final reference limited by
1104/1105. Actual motor
speed limited by 2007/2008
(frequency).
Final reference limited by
1107/1108. Actual motor
speed limited by 2007/2008
(frequency).
Final reference limited by
4012/4013 (PID set1) or
4112/4113 (PID set2).
2
has no effect on
REF
MIN
is set to
+
1 or
COMM
AI
(%))
Fieldbus Reference
Correction Coefficient
AI1 Input Signal
50%
100%
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