ABB ACS 400 User Manual page 97

Code Description
4006 ACTUAL VAL SEL
PID controller feedback (actual) signal selection. Feedback signal can be a combination of two actual
values 1 and
ACT
2 is selected by parameter 4008.
1 = 1
ACT
Actual value 1 is used as the feedback signal.
2 = 1- 2
ACT ACT
Difference of actual values 1 and 2 is used as the feedback signal.
3 = 1+ 2
ACT ACT
Sum of actual values 1 and 2.
4 = 1* 2
ACT ACT
Product of actual values 1 and 2.
5 = 1/ 2
ACT ACT
Quotient of actual values 1 and 2.
6 = ( 1, 2)
MIN A A
Smaller of actual values 1 and 2.
7 = ( 1, 2)
MAX A A
Greater of actual values 1 and 2.
8 = sq (A1-A2)
Square root of difference of actual values 1 and 2.
9 = sqA1 + sqA2
Sum of square roots of actual values 1 and 2.
4007 ACT1 INPUT SEL
Source for actual value 1 (
1 = AI 1
Analog input 1 is used as actual value 1.
2 = AI 2
Analog input 2 is used as actual value 1.
4008 ACT2 INPUT SEL
Source for actual value 2 (
1 = AI 1
Analog input 1 is used as actual value 2.
2 = AI 2
Analog input 2 is used as actual value 2.
ACS 400 User's Manual
2. Source for actual value 1 is selected by parameter 4007 and source for actual value
ACT
1).
ACT
2).
ACT
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