Ao Function Block - Honeywell UMC800 Reference Manual

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.
describes the parameters and the value or
selection.
AO's Address starts at Module 4.
3/99
Table 2-8
Function Block Reference Guide
Function Blocks
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