Atlas Copco Power Focus 4000

Logic Configurator
9836 3123 01 247 (428)
16.2 Logic operators and function blocks
16.2.1 Logic gates
Symbol
Description
Input
Output
The output signal is HIGH only if both inputs to the gate are HIGH.
If neither or only one of the inputs is HIGH, the output is LOW.
A
B
A AND B
0
0
0
0
1
0
1
0
0
1
1
1
The output signal is HIGH if one or both inputs to the gate are HIGH.
If neither of the input is HIGH, the output signal is LOW.
A
B
A OR B
0
0
0
0
1
1
1
0
1
1
1
1
The output signal is HIGH if one, and only one of the inputs to the gate is HIGH.
If both inputs are LOW or both are HIGH, the outputs signal is LOW.
A
B
A XOR B
0
0
0
0
1
1
1
0
1
1
1
0
The outputs signal is LOW only if both the inputs to the gate are HIGH.
If one or both inputs are LOW, the output signal is HIGH.
A
B
A NAND B
0
0
1
0
1
1
1
0
1
1
1
0
The output signal is HIGH output results if both the inputs to the gate are LOW.
If one or both input is HIGH, the outputs signal is LOW
A
B
A NOR B
0
0
1
0
1
0
1
0
0
1
1
0
The outputs signal is HIGH if both inputs to the gate are the same.
If one but not both inputs are HIGH, the outputs signal is LOW.
A
B
A XNOR B
0
0
1
0
1
0
1
0
0
1
1
1