Honeywell UMC800 Reference Guide

Function Blocks
Function Block Reference Guide 3/99128
2.46 2OR Function Block
Description
The
2OR
label stands for the inclusive
OR (2 Inputs) Boolean logic function
.
This block is part of the
Logic
and
Fast Logic
categories. It looks like this graphically on the Control Builder.
OR
Fast Logic
Function
Monitors two digital input signals (X, Y) to set state of digital output signal (OUT).
• If X = OFF and Y = OFF, then
OUT = OFF.
• If X = ON and/
or
Y = ON, then:
OUT = ON.
Input
X
= First digital signal.
Y
= Second digital signal.
Output
OUT
= Digital signal controlled by status of input signals
Block Properties
Double click on the function block to access the
function block properties dialog box.
Block Order (Read Only)
You can change the assigned execution order
number by selecting “Execution Order” in the
“Configure” menu and arrange the order to suit
your control strategy.
Input State
You can invert Input 1 or input 2 or both. If the
input is inverted, an input line that is ON is seen
as OFF. (“N” appears on Icon next to the
inverted input.)
Continued next page

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English