Honeywell HC900 Reference Guide

Function Blocks
STG Stage Function Block
370 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
Example
HFigure 103 shows a function block diagram using a STG function block to control tank level by sequencing
multiple pumps.
High Tank Level
System ON
T
Tank
Level
Pump 1
Interface
Pump 2
Interface
Pump 3
Interface
1
2
3
Figure 103 STG 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