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Function Blocks
TGFF Toggle Flip Flop Function Block
400
HC900 Hybrid Control Designer Function Block Reference Guide
Revision 11
2/07
TGFF Toggle Flip Flop Function Block
Description
The
TGFF
label stands for
Toggle Flip-Flop.
This block is part of the
Logic
and
Fast Logic
categories.
Function
Provides an ON state output when a digital input goes from OFF to ON and the previous state of the output
was OFF, and an OFF state output when the digital input goes from OFF to ON and the previous state of
the output was ON.
•
OUT = ON when ^TOG changes from OFF to ON and the previous state of OUT was
OFF
.
•
OUT = OFF when ^TOG changes from OFF to ON and the previous state of OUT was
ON
.
•
Reset sets output to OFF, regardless of current state.
Input
^TOG
= Digital Input
RESET
= Digital input ON
Input = OFF output
Output
OUT
= Digital Output
Block properties
Double click on the function block to access the function block properties dialog box.
Содержание HC900
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