172
ACS510 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
Frequency
-20000 = -
(par. 1105)
0 = 0
+20000 =
(par. 1105)
(20000 corresponds to 100%)
Final reference limited by
1104/1105. Actual motor
speed limited by 2007/2008
(frequency).
REF2
-32767
…
+32767
Frequency
-10000 = -
(par. 1108)
0 = 0
+10000 =
(par. 1108)
(10000 corresponds to 100%)
Final reference limited by
1107/1108. Actual motor
speed limited by 2007/2008
(frequency).
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
Supplied from China by: Guangzhou Tofee Electro Mechanical Equipment Co., Ltd
Email: [email protected]