outputs, where one is inverted. The memory setting controls if the flip-flop after a power
interruption will return the state it had before or if it will be reset.
SRMEMORYQT propagates quality and time as well as value.
Table 305: Truth table for SRMEMORYQT function block
SET RESET OUT NOUT
0 0 Last
value
Inverted
last value
0 1 0 1
1 0 1 0
1 1 1 0
If Memory parameter is Enabled, the output result is stored in semi-retained memory.
Function block
SRMEMORYQT
SET
RESET
OUT
NOUT
IEC09000301-1-en.vsd
IEC09000301 V1 EN
Figure 185: SRMEMORYQT function block
Signals
Table 306: SRMEMORYQT Input signals
Name
Type Default Description
SET BOOLEAN 0 Input signal to set
RESET BOOLEAN 0 Input signal to reset
Table 307: SRMEMORYQT Output signals
Name
Type Description
OUT BOOLEAN Output signal
NOUT BOOLEAN Inverted output signal
Section 11 1MRK 511 287-UUS A
Logic
392
Technical manual
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