ABB ACS355 series, Руководство пользователя

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Actual signals and parameters 275
4007 UNIT SCALE Defines the decimal point location for PID controller actual
values. 1
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. INTERNA
L
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 320 .
9
COMM*AI1 Multiplication of fieldbus reference REF2 and analog input
AI1. See section
Reference selection and correction on
page 320 .
10
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%