ABB Relion 670 series, Technical Reference Manual

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Table 502: OR Output signals
Name Type Description
OUT BOOLEAN Output from OR gate
NOUT BOOLEAN Inverted output from OR gate
14.3.4 AND function block AND
The AND function is used to form general combinatory expressions with boolean
variables. The AND function block has four inputs and two outputs. One of the outputs
are inverted.
IEC04000406_2_en.vsd
AND
INPUT1
INPUT2
INPUT3
INPUT4N OUT
NOUT
IEC04000406 V2 EN
Figure 438: AND function block
Table 503: AND Input signals
Name Type Default Description
INPUT1 BOOLEAN 1 Input 1
INPUT2 BOOLEAN 1 Input 2
INPUT3 BOOLEAN 1 Input 3
INPUT4N BOOLEAN 0 Input 4 inverted
Table 504: AND Output signals
Name Type Description
OUT BOOLEAN Output
NOUT BOOLEAN Output inverted
14.3.5 Timer function block TIMER
The function block TIMER has drop-out and pick-up delayed outputs related to the
input signal. The timer has a settable time delay (
T ).
Section 14
1MRK505222-UUS C
Logic
874
Technical reference manual