Functionality - ABB REG650 Technical Manual

Section 14
Monitoring
14.15.2
14.15.3
14.15.4
14.15.4.1
480

Functionality

Insulation liquid monitoring function 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.
Function block
SSIML (71)
BLOCK LEVEL
BLK_ALM LVL_ALM
LEVEL LVL_LO
TEMP TEMP
LVL_ALM TEMP_ALM
LEVEL_LO TEMP_LO
SET_L_LO
SET_T_LO
RESET_LO
ANSI09000128-1-en.vsd
ANSI09000128 V1 EN
Figure 213: SSIML (71) function block
Signals
Inputs LEVEL and TEMP together with settings LevelAlmLimit,
LevelLOLimit, TempAlarmLimit and TempLOLimit are not supported in
this release of 650 series.
SSIML InputSignals
Table 357: Input signals for the function block SSIML (LM1-)
Signal
BLOCK
BLK_ALM
LEVEL
TEMP
LVL_ALM
LEVEL_LO
SET_L_LO
SET_T_LO
RESET_LO
Description
Block of function
Block all the alarms
Level input from CB
Temperature of the insulation medium from CB
Level alarm signal
Level lockout signal
Set level lockout
Set temperature lockout
Reset level and temperature lockout
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