ABB ACS355 - Page 264

264 Actual signals and parameters
0…4 Example: PI (3.141593) 1 = 1
4008 0% VALUE Defines together with parameter 4009 100% VALUE the
scaling applied to the PID controller’s actual values.
0.0
x…x Unit and range depend on the unit and scale defined by
parameters 4006 UNITS and 4007 UNIT SCALE.
4009 100% VALUE Defines together with parameter 4008 0% VALUE the
scaling applied to the PID controller’s actual values.
100.0
x…x Unit and range depend on the unit and scale defined by
parameters 4006 UNITS and 4007 UNIT SCALE.
4010 SET POINT
SEL
Selects the source for the process PID controller reference
signal.
AI1
KEYPAD Control panel 0
AI1 Analog input AI1 1
AI2 Analog input AI2 2
COMM Fieldbus reference REF2 8
COMM+AI1 Summation of fieldbus reference REF2 and analog input
AI1. See section Reference selection and correction on
page 308.
9
COMM*AI1 Multiplication of fieldbus reference REF2 and analog input
AI1. See section Reference selection and correction on
page 308.
10
DI3U,4D(RNC) Digital input DI3: Reference increase. Digital input DI4:
Reference decrease. Stop command resets the reference to
zero. The reference is not saved if the control source is
changed from EXT1 to EXT2, from EXT2 to EXT1 or from
LOC to REM.
11
All parameters
No. Name/Value Description Def/FbEq
4007 value Entry Display
0 00003 3
1 00031 3.1
2 00314 3.14
3 03142 3.142
4 31416 3.1416
4009
Units (4006)
Scale (4007)
4008
-1000%
+1000%
Internal
scale (%)
100%0%