Honeywell HC900 Reference Guide

Function Blocks
FGEN Function Generator Function Block
158 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
Examples
HFigure 37 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 37 FGEN function block example

Honeywell HC900 Specifications

General

Series	HC900
Redundancy	Optional
Programming Language	Function Block Diagram, Ladder Logic, Structured Text
Inputs	Analog, Digital
Outputs	Analog, Digital, Relay
Display	Optional
Control	PID, Advanced Control
Power Supply	24V DC or 100-240V AC
Storage Temperature	-40°C to 85°C
Humidity	5% to 95% non-condensing
Communication Protocols	Modbus, Ethernet