Honeywell HC900 Reference Guide

Function Blocks
SYNC Function Block
380 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
SYNC Function Block
Description
The SYNC label stands for Synchronize.
This block is part of the
Setpoint Program category.
Function
Used to synchronize the operation of two setpoint programs given the run. Hold and reset signals from each
program.
Input (available for logic control of programmer)
^RESET
= RESET command, when turned ON.
^HLD = HOLD command, when turned ON.
^RUN = RUN command, when turned ON.
^ADV = ADVANCE command, when turned ON
Output
The status of each programmer connected to the output pins of the block are monitored. A change in state
of any of the programmers is transferred to the other programmers. This occurs regardless of input pin
connections. Use of block inputs is optional.
ATTENTION
Ghold status is not transferred between programmers with this block.
Block properties
Double click on the function block to access the function block properties dialog box.

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