16.3
Liquid medium supervision SSIML (71)
16.3.1
Functionality
Liquid medium supervision SSIML (71) is used for monitoring the circuit breaker
condition. Binary information based on the oil level in the circuit breaker is used as input
signals to the function. In addition, the function generates alarms based on received
information.
16.3.2
Function block
ANSI09000128-1-en.vsd
SSIML (71)
BLOCK
BLK_ALM
LEVEL
TEMP
LVL_ALM
LEVEL_LO
SET_L_LO
SET_T_LO
RESET_LO
LEVEL
LVL_ALM
LVL_LO
TEMP
TEMP_ALM
TEMP_LO
ANSI09000128 V1 EN
Figure 194:
SSIML (71) function block
16.3.3
Signals
Table 417:
SSIML (71) Input signals
Name
Type
Default
Description
BLOCK
BOOLEAN
0
Block of function
BLK_ALM
BOOLEAN
0
Block all the alarms
LEVEL
REAL
0.0
Level input from CB
TEMP
REAL
0.0
Temperature of the insulation medium from CB
LVL_ALM
BOOLEAN
0
Level alarm signal
LEVEL_LO
BOOLEAN
0
Level lockout signal
SET_L_LO
BOOLEAN
0
Set level lockout
SET_T_LO
BOOLEAN
0
Set temperature lockout
RESET_LO
BOOLEAN
0
Reset level and temperature lockout
Section 16
1MRK 511 365-UUS A
Monitoring
522
Phasor measurement unit RES670 2.1 ANSI
Technical manual
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