ABB ACS880 - Page 378

Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
1 = 1 / 100 = 1Process PID controller output base.-32768.00 ...
32767.00
Internal setpoint /
uint32
Selects the first source of process PID setpoint. This
setpoint is available in parameter 40.25 Set 1 setpoint
selection as setpoint 1. See the control chain diagram on
page 640.
Set 1 setpoint 1
source
40.16
0None.Not selected
1
3.1 Panel reference (page 142). See section Local control
vs. external control (page 23).
Control panel
2
Internal setpoint. See parameter 40.19 Set 1 internal
setpoint sel1.
Internal setpoint
3
12.12 AI1 scaled value (page 189).
AI1 scaled
4
12.22 AI2 scaled value (page 191).
AI2 scaled
8
22.80 Motor potentiometer ref act (output of the motor
potentiometer).
Motor potentiometer
10
11.39 Freq in 1 scaled.
Freq in scaled
24
40.92 Setpoint data storage (page 388).
Setpoint data storage
See Terms and abbreviations (page 132).
Other
Not selected / uint32Selects the second source of process setpoint. This
setpoint is available in parameter 40.25 Set 1 setpoint
selection as setpoint 2.
For the selections, see parameter 40.16 Set 1 setpoint 1
source.
Set 1 setpoint 2
source
40.17
In1 or In2 / uint16Selects a mathematical function between the setpoint
sources selected by parameters 40.16 Set 1 setpoint 1
source and 40.17 Set 1 setpoint 2 source.
Set 1 setpoint function40.18
0No mathematical function applied. The source selected by
parameter 40.25 Set 1 setpoint selection is used.
In1 or In2
1Sum of sources 1 and 2.In1+In2
2Source 2 subtracted from source 1.In1-In2
3Source 1 multiplied by source 2.In1*In2
4Source 1 divided by source 2.In1/In2
5Smaller of the two sources.MIN(In1,In2)
6Greater of the two sources.MAX(In1,In2)
7Average of the two sources.AVE(In1,In2)
8Square root of source 1.sqrt(In1)
9Square root of (source 1 - source 2).sqrt(In1-In2)
10Square root of (source 1 + source 2).sqrt(In1+In2)
11Square root of source 1 + square root of source 2.sqrt(In1)+sqrt(In2)
378 Parameters