Table 421:
SSIMG (63) Output signals
Name
Type
Description
PRESSURE
REAL
Pressure service value
PRES_ALM
BOOLEAN
Pressure below alarm level
PRES_LO
BOOLEAN
Pressure below lockout level
TEMP
REAL
Temperature of the insulation medium
TEMP_ALM
BOOLEAN
Temperature above alarm level
TEMP_LO
BOOLEAN
Temperature above lockout level
14.15.5
Settings
Table 422:
SSIMG (63) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation
PressAlmLimit
0.00 - 25.00
-
0.01
5.00
Alarm setting for pressure
PressLOLimit
0.00 - 25.00
-
0.01
3.00
Pressure lockout setting
TempAlarmLimit
-40.00 - 200.00
-
0.01
30.00
Temperature alarm level setting of the medium
TempLOLimit
-40.00 - 200.00
-
0.01
30.00
Temperature lockout level of the medium
tPressureAlarm
0.000 - 60.000
s
0.001
0.000
Time delay for pressure alarm
tPressureLO
0.000 - 60.000
s
0.001
0.000
Time delay for pressure lockout indication
tTempAlarm
0.000 - 60.000
s
0.001
0.000
Time delay for temperature alarm
tTempLockOut
0.000 - 60.000
s
0.001
0.000
Time delay for temperture lockout
tResetPressAlm
0.000 - 60.000
s
0.001
0.000
Reset time delay for pressure alarm
tResetPressLO
0.000 - 60.000
s
0.001
0.000
Reset time delay for pressure lockout
tResetTempLO
0.000 - 60.000
s
0.001
0.000
Reset time delay for temperture lockout
tResetTempAlm
0.000 - 60.000
s
0.001
0.000
Reset time delay for temperture alarm
14.15.6
Operation principle
Insulation gas monitoring function SSIMG (63) is used to monitor gas pressure in the
circuit breaker. Two binary output signals are used from the circuit breaker to initiate
alarm signals, pressure below alarm level and pressure below lockout level. If the input
signal PRES_ALM is high, which indicate that the gas pressure in the circuit breaker is
below alarm level, the function initiates output signal PRES_ALM, pressure below alarm
level, after a set time delay and indicate that maintenance of the circuit breaker is required.
Similarly, if the input signal PRES_LO is high, which indicate gas pressure in the circuit
breaker is below lockout level, the function initiates output signal PRES_LO, after a time
Section 14
1MRK 502 048-UUS A
Monitoring
598
Technical manual
Summary of Contents for 650 series
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