Honeywell UMC800 Reference Guide

Function Blocks
Function Block Reference Guide 3/99240
2.80 WVAR Function Block,
continued
Example
Figure 2-84
shows two examples of Function Block Diagrams using a WVAR function block.
Constant
Digital Variable loaded
via Recipe
Output = ON for 1 scan
Loop
to
Auto
Using a Write Variable to write 0 (OFF) to a digital
variable after being set to 1, (ON) by a recipe. Digital
variable is ON for one scan cycle
On a Cold Start, this will load Setpoint Program #25 into the SPP block
Figure 2-84 WVAR Function Block Examples

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English