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.
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