Honeywell UMC800 Reference Guide

Function Blocks
3/99 Function Block Reference Guide 29
2.8 2AND Function Block
Description
The
2AND
label stands for the
AND Boolean function (2 Inputs)
. This block is part of the
Logic
and
Fast
Logic
categories. It looks like this graphically on the Control Builder.
OR
Fast Logic
Function
Turns digital output (OUT)
ON
when inputs X1 and X2 are
ON
. Thus,
•If all inputs are ON, then:
OUT = ON.
•If any input is OFF, then:
OUT = OFF.
Input
X1
= First digital signal.
X2
= 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” on Icon next to inverted input)

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English