Honeywell UMC800 - Figure 2-21 FGEN Function Block Example

Function Blocks
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2.23 FGEN Function Block,
continued
Examples
Figure 2-21 shows a function block diagram using a FGEN function block to characterize the PID control
loop output for control valve operation using 9 breakpoints.
OUT9
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
X1 X2 X3 X4 X5 X6 X7 X8
Compensating for control valve characteristic
100%
0%
0% 100%
FGEN
OUTPUT
PID OUTPUT
Figure 2-21 FGEN Function Block Example