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LOGO! functions
4.2 Basic functions list - GF
LOGO!
142
Manual, 04/2011, A5E03556174-01
4.2
Basic functions list - GF
Basic functions represent simple logical elements of Boolean algebra.
You can invert the inputs of individual basic functions, that is, the circuit program inverts a
You can invert the inputs of individual basic functions, that is, the circuit program inverts a
logical "1" at a relevant input to a logical "0"; if "0" is set at the input, the program sets a
logical "1". See the programming example at Circuit program input (Page 86).
The GF list contains the basic function blocks you can use for your circuit program. The
The GF list contains the basic function blocks you can use for your circuit program. The
following basic functions are available:
View in the circuit diagram
View in LOGO!
Name of the basic function
6HULHVFLUFXLWPDNHFRQWDFW
4
4
൹
3DUDOOHOFLUFXLWZLWKEUHDN
FRQWDFWV
FRQWDFWV
4
(not AND)
4
ൻ
3DUDOOHOFLUFXLWZLWKPDNH
FRQWDFWV
FRQWDFWV
4
ุ
6HULHVFLUFXLWZLWKEUHDN
FRQWDFWV
FRQWDFWV
4
ุ
(not OR)