Functionality; Function Block; Signals - ABB RET650 Technical Manual

1MRK 504 135-UEN A
14.15.2
14.15.3
14.15.4
Technical manual

Functionality

Insulation gas monitoring function SSIMG is used for monitoring the circuit breaker
condition. Binary information based on the gas pressure in the circuit breaker is used
as input signals to the function. In addition, the function generates alarms based on
received information.

Function block

SSIMG
BLOCK PRESSURE
BLK_ALM PRES_ALM
PRESSURE PRES_LO
TEMP TEMP
PRES_ALM TEMP_ALM
PRES_LO TEMP_LO
SET_P_LO
SET_T_LO
RESET_LO
IEC09000129-1-en.vsd
IEC09000129 V1 EN
Figure 213: SSIMG function block

Signals

Inputs PRESSURE and TEMP together with settings PressAlmLimit,
PressLOLimit, TempAlarmLimit and TempLOLimit are not supported
in this release of 650 series.
Table 402: SSIMG Input signals
Name Type
BLOCK BOOLEAN
BLK_ALM BOOLEAN
PRESSURE REAL
TEMP REAL
PRES_ALM BOOLEAN
PRES_LO BOOLEAN
SET_P_LO BOOLEAN
SET_T_LO BOOLEAN
RESET_LO BOOLEAN
Default Description
0 Block of function
0 Block all the alarms
0.0 Pressure input from CB
0.0 Temperature of the insulation medium from CB
0 Pressure alarm signal
0 Pressure lockout signal
0 Set pressure lockout
0 Set temperature lockout
0 Reset pressure and temperature lockout
Section 14
Monitoring
493