Sr Function Block - ABB RED615 Technical Manual

1YHT530004D05 D
3.14.1.11
615 series
Technical Manual
Table 115: SWITCHR Output signals
Name Type
OUT REAL

SR function block

Function block
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Figure 52: Function block
Functionality
The SR flip-flop output Q can be set or reset from the S or R inputs. S input has a
higher priority over the R input. Output NOTQ is the negation of output Q.
The statuses of outputs Q and NOTQ are not retained in the
nonvolatile memory.
Table 116: Truth table for SR flip-flop
S
0
0
1
1
1) Keep state/no change
Signals
Table 117: SR Input signals
Name Type
S BOOLEAN
R BOOLEAN
Table 118: SR Output signals
Name
Q
NOTQ
Description
Real switch output
R
0
1
0
1
Default
0=False
0=False
Type
BOOLEAN
BOOLEAN
Section 3
Basic functions
Q
1)
0
0
1
1
Description
Set Q output when set
Resets Q output when
set
Description
Q status
NOTQ status
117