Honeywell HC900 Reference Guide

Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 3
2/07
Function Blocks
Introduction
While you can determine the function of many blocks just from their labels and Input/output abbreviations,
the purpose of others may not be apparent. This section is designed to familiarize you with function blocks
in general and provide detailed reference data for each block.
Function block listings
Function blocks are listed by category and alphabetically in HTable 1 and HTable 2.
Table 1 Function blocks by category
Category Block Type See Page
I/O Blocks
Analog Input (AI)
Analog Input RCJ (RAI)
Analog Out (AO)
Discrete Input (DI)
8 Discrete Inputs (8DI)
Discrete Output (DO)
8 Discrete Outputs (8DO)
Time Prop Out (TPO)
Position Proportional Motor Control
Frequency Input (FI)
Pulse Input (PI)
Pulse Output (POUT)
Quadrature (QDT)
H42
H303
H79
H136
H139
H146
H149
H406
H293
H159
H263
H266
H300
Loop Blocks
PID (PID)
On-Off (ONOF)
Carbon Potential (CARB)
Loop Switch (LPSW)
Mode Switch (MDSW)
Mode Flags (MDFL)
3 Position Step (TPSC)
Write Tuning Constants (WTUN)
Auto Manual Bias (AMB)
H269
H231
H97
H184
H208
H210
H409
H432
H64
SP Program
Programmer (SPP)
Recipe Selector (RCP)
Event Decoder (SPEV)
Synchronizer (SYNC)
H343
H318
H340
H380
Setpoint Scheduler
Setpoint Scheduler (SPS)
State Switch (STSW)
State Flag (STFL)
Setpoint Scheduler Aux (SPSA)
Event Decoder (SPEV)
H353
H372
H364
H360
H335

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