Honeywell HC900 Reference Guide

Function Blocks
PID Function Block
Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 279
2/07
Table 82 PID Range/limit tab configuration parameters
Properties Group Parameter Index # Parameter Description Value or Selection
Ranging
PV High
Range
4 PV High Range Value –99999 to 99999
PV Low
Range
5 PV Low Range Value –99999 to 99999
Display
Decimal
Places
N/A
Number of digits to display after
decimal point.
0 to 5
Units
N/A Text to display for EU 6 characters
DEV Bar
Range (EU)
N/A
Deviation Bar Range on the
Operator Interface
–99999 to 99999
Limiting
SP High
Limit
17
Setpoint High Limit Value -
prevents the local and remote
setpoints from going above the
value set here.
–99999 to 99999
SP Low
Limit
18
Setpoint Low Limit Value - prevents
the local and remote setpoints from
going below the value set here.
–99999 to 99999
Out High
Limit
20
Output High Limit Value - is the
highest value of output beyond
which you do not want the
automatic output to exceed
–5 % to 105 %
Out Low
Limit
21
Output Low Limit Value - is the
lowest value of output beyond
which you do not want the
automatic output to exceed
–5 % to 105 %
SP Rate
Down
41
Setpoint Rate Down value - when
making a setpoint change, this is
the rate at which setpoint will
change from the original setpoint
down to the new one.
0 (off) to 9999 (eu/min)
SP Rate Up
42
Setpoint Rate Up value - when
making a setpoint change, this is
the rate at which setpoint will
change from the original setpoint
up to the new one.
0 (off) to 9999 (eu/min)

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