Honeywell UMC800 Reference Guide

Function Blocks
3/99 Function Block Reference Guide 35
2.11 AO Function Block
Description
The
AO
label stands for a milliamp
Analog Output
. This block is part of the
Loops
category. It looks like
this graphically on the Control Builder.
Function
Range High and Range Low are used to specify the Engineering Unit values for 100% and 0% of this
block’s input span. For reverse outputs, Range High may be set to a value less than Range Low.
The output range high and range low values (0-20 maximum) set the milliamp output values that correspond
to the 0 to 100% span limits of the inputs.
Input
X = Analog value
Output
Converted value sent to specified real I/O address.
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.
Configuration Parameters
You must configure the AO function block
parameters to the desired value or selection that
matches your operating requirements. Table 2-8
describes the parameters and the value or
selection.
AO’s Address starts at Module 4.
Continued next page

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English