NAND
(US)
(EU)
Input 1
Input 2
Output
0
x
1
x
0
1
1
1
0
The output value is based on inverting the logical AND of 2
to 5 inputs.
Output is Off when all inputs are On.
NOR
(US)
(EU)
Input 1
Input 2
Output
0
0
1
1
x
0
x
1
0
The output value is based on inverting the logical OR of 2
to 5 inputs.
Output is On when all inputs are Off.
XOR
(US)
(EU)
Input 1
Input 2
Output
0
0
0
0
1
1
1
0
1
1
1
0
The output value is an exclusive OR of 2 to 5 inputs.
Output is On when only one (exclusive) input is On.
NOT
(US)
(EU)
Input
Output
0
1
1
0
Output is the opposite of the input.
RS Flip-Flop
Input 1 (Set)
Input 2 (Reset)
Output
0
0
Value remains the same
0
1
0 (Reset)
1
0
1 (Set)
1
1
0 (Reset has priority)
This block is Reset Dominant (Reset has priority if both
inputs are On).
XS/SC26-2 and SC10-2 Safety Controllers
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