Add Function Block; Figure 2-2 Add Function Block Example - Honeywell UMC800 Reference Manual

Function Blocks

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.
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.
10
Y

Figure 2-2 ADD Function Block Example

Function Block Reference Guide
X
OUT
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