ABB REO 517 Applications Manual page 53

Logic function blocks
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INPUT2
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The output signal (OUT) is set to 1 if the input signals are different and to 0 if they are
equal. See truth table below.
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0 0 0
0 1 1
1 0 1
1 1 0
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The function block Set-Reset (SR) (figure 21) has two inputs, designated SRnn-SET
and SRnn-RESET, where nn presents the serial number of the block. Each SR circuit
has two outputs, SRnn-OUT and SRnn-NOUT (inverted). The output (OUT) is set to 1
if the input (SET) is set to 1 and if the input (RESET) is 0. If the reset input is set to 1,
the output is unconditionally reset to 0.
OUT
NOUT
1
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1
0
0
1
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