And Function Block And; Timer Function Block Timer - ABB Relion 670 Series Technical Reference Manual

1MRK 505 208-UEN B
12.1.4
12.1.5
Technical reference manual
Table 280: OR Output signals
Name Type
OUT BOOLEAN
NOUT BOOLEAN

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.
AND
INPUT1 OUT
INPUT2 NOUT
INPUT3
INPUT4N
IEC04000406_2_en.vsd
IEC04000406 V2 EN
Figure 226: AND function block
Table 281: AND Input signals
Name Type
INPUT1 BOOLEAN
INPUT2 BOOLEAN
INPUT3 BOOLEAN
INPUT4N BOOLEAN
Table 282: AND Output signals
Name Type
OUT BOOLEAN
NOUT BOOLEAN

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).
TIMER
INPUT ON
T OFF
IEC04000378_2_en.vsd
IEC04000378 V2 EN
Figure 227: TIMER function block
Description
Output from OR gate
Inverted output from OR gate
Default Description
1 Input 1
1 Input 2
1 Input 3
0 Input 4 inverted
Description
Output
Output inverted
Section 12
Logic
447