Block Diagrams - ABB ACS310 User Manual

134 Program features

Block diagrams

The figure below shows an application example: The controller adjusts the speed of a
pressure boost pump according to the measured pressure and the set pressure
reference.
Example:
Pressure boost pump
A C S 6 0 0
Drive
A C T P A R F U N C D R I V E
E N T E R
L O C R E S E T R E F
R E M
3
0 . . . 1 0 b a r
2
4 . . . 2 0 m A
3
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
PID control block diagram
%ref
Actual values
4014
.
. .
4021
AI1
AI2
IMOT
PID
ref
k
4001
ti
4002
td
4003
i
4004 dFiltT
errVInv
4005
PIDmax
oh1
ol1
PIDmin
...
%ref =
4010
Frequency
reference