Honeywell HC900 Reference Guide

Function Blocks
WCON Write Constant Function Block
Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 431
2/07
Configuration parameters
Table 128 Write configuration data
Properties Group Parameter Index # Parameter Description Value or Selection
Set Write
Parameters
Block
Number
N/A
Number of control block that
contains desired configuration
parameter
101 to 500(Model C30)
101 to 2100(Model C50)
101 to 5100(Model
C70/C70R)
Parameter
Index #
N/A
Index number of configuration
parameter to be modified
Select the index number
of the required
parameter from the
specific function block
reference data
Example
HFigure 120 shows a Function Block Diagram using a WCON function block to write a new On Delay
Timer, time delay value.
Figure 120 WCON 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