ABB ACS850-04 - Process PID

170 Parameters
26.09 Const speed4 Defines constant speed 4.
-30000 … 30000
rpm
Constant speed 4. 1 = 1 rpm
26.10 Const speed5 Defines constant speed 5.
-30000 … 30000
rpm
Constant speed 5. 1 = 1 rpm
26.11 Const speed6 Defines constant speed 6.
-30000 … 30000
rpm
Constant speed 6. 1 = 1 rpm
26.12 Const speed7 Defines constant speed 7.
-30000 … 30000
rpm
Constant speed 7. 1 = 1 rpm
27
27 Process PID
Configuration of process PID control. See also section
Process PID control on page 70.
27.01 PID setpoint sel Selects the source of setpoint (reference) for the PID
controller.
Zero Zero reference. 0
AI1 scaled 02.05 AI1 scaled (see page 95). 1073742341
AI2 scaled 02.07 AI2 scaled (see page 95). 1073742343
FBA ref1 02.26 FBA main ref1 (see page 100). 1073742362
FBA ref2 02.27 FBA main ref2 (see page 100). 1073742363
D2D ref1 02.32 D2D ref1 (see page 101). 1073742368
D2D ref2 02.33 D2D ref2 (see page 101). 1073742369
Pointer Value pointer setting (see Terms and abbreviations on page
93).
-
27.02 PID fbk func Defines how the final process feedback is calculated from the
two sources selected by parameters 27.03 PID fbk1 src and
27.04 PID fbk2 src.
Act1 Process feedback 1 used. 0
Add Sum of feedback 1 and feedback 2. 1
Sub Feedback 2 subtracted from feedback 1. 2
Mul Feedback 1 multiplied by feedback 2. 3
div Feedback 1 divided by feedback 2. 4
Max Greater of the two feedback sources used. 5
Min Smaller of the two feedbacks sources used. 6
Sqrt sub Square root of (feedback 1 – feedback 2). 7
Sqrt add Square root of feedback 1 + square root of feedback 2. 8
27.03 PID fbk1 src Selects the source of process feedback 1.
Zero Zero feedback. 0
AI1 scaled 02.05 AI1 scaled (see page 95). 1073742341
AI2 scaled 02.07 AI2 scaled (see page 95). 1073742343
FBA ref1 02.26 FBA main ref1 (see page 100). 1073742362
FBA ref2 02.27 FBA main ref2 (see page 100). 1073742363
D2D ref1
02.32 D2D ref1 (see page 101). 1073742368
No. Name/Value Description FbEq