Reset-Set With Memory Function Block Rsmemory - Hitachi Relion 650 Series Technical Manual

1MRK 511 557-UEN Rev. A
Table 100: Truth table for the Set-Reset (SRMEMORY) function block
SET
1
0
1
0
Function block
SET
RESET
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Figure 59:
Signals
Table 101: SRMEMORY Input signals
Name
SET
RESET
Table 102: SRMEMORY Output signals
Name
OUT
NOUT
Settings
Table 103: SRMEMORY Group settings (basic)
Name Values (Range)
Memory
11.1.1.11

Reset-set with memory function block RSMEMORY

Identification
Function description
Reset-set with memory function block
Functionality
The Reset-set with memory function block (RSMEMORY) is a flip-flop with memory that can reset or
set an output from two inputs respectively. Each RSMEMORY function block has two outputs, where
one is inverted. The memory setting controls if the flip-flop after a power interruption will return to the
state it had before or if it will be reset. In RSMEMORY, the RESET input has priority over SET input.
Technical Manual
RESET OUT
0 1
1 0
1 1
0 Last
value
SRMEMORY
OUT
NOUT
IEC09000293-1-en.vsd
SRMEMORY function block
Type
BOOLEAN
BOOLEAN
Type
BOOLEAN
BOOLEAN
Unit
Off -
On
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NOUT
0
1
0
Inverted
last value
Default Description
0 Input signal to set
0 Input signal to reset
Description
Output signal
Inverted output signal
Step Default
- On
IEC 61850 IEC 60617
identification identification
RSMEMORY
Description
Operating mode of the memory function
ANSI/IEEE C37.2
device number
- -
Section 11
Logic
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