Function Blocks
Function Block Reference Guide 3/99202
2.68 SW Function Block
Description
The
SW
label stands for
Analog Switch
.
This block is part of the
Signal Selectors
category. It looks like
this graphically on the Control Builder.
Function
Selects input Y for output when digital input signal (SY) is ON.
•
If SY = ON, then;
OUT = Y
•
Otherwise,
OUT = X
Input
X
= First analog value
Y
= Second analog value
SY
= Where ON selects Y command digital signal.
Output
OUT = Selected value
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.
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