Honeywell UMC800 Reference Guide

Function Blocks
Function Block Reference Guide 3/9910
2.3 ADD Function Block
Description
The
ADD
label stands for
Addition Mathematical Operation (2 Inputs)
. This block is part of the
Math
category. It looks like this graphically on the Control Builder.
X
Y
OUT
Function
Add two inputs (X,Y) to get an output.
•
OUT
= X + Y
Input
X
= First Analog Input
Y
= Second Analog Input
Output
OUT
= Sum of analog values
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.
ADD Example
Figure 2-2 shows a Function Block Diagram using an ADD function block to find the total flow rate as the
sum of Flow 1 and Flow 2.
Figure 2-2 ADD Function Block Example

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English