ABB Switzerland Ltd
9.3.3.
Grouping of alarms.............................................................................9-6
9.3.4.
Affected services................................................................................9-7
9.3.5.
Affected hardware ..............................................................................9-8
9.3.6.
Alarm source ......................................................................................9-8
9.3.7.
Alarm hierarchy ..................................................................................9-8
9.3.7.1.
9.3.7.2.
9.3.7.3.
9.3.7.4.
9.3.8.
Alarm outputs .....................................................................................9-9
9.3.8.1.
9.3.8.2.
LEDs ..................................................................................................9-9
9.3.8.2.1.
LEDs on P4LT....................................................................................9-9
9.3.8.2.2.
Alarm LED on G4AI..........................................................................9-10
9.3.8.2.3.
Alarm LED on O4LE.........................................................................9-10
9.3.8.2.4.
9.3.8.3.
Alarm relays .....................................................................................9-10
9.3.8.3.1.
9.3.8.3.2.
9.3.8.3.3.
9.3.8.3.4.
Alarm relay on O4LE........................................................................9-11
9.3.9.
Alarm polling ....................................................................................9-11
9.3.10.
9.4.
Some basic checks ........................................................................9-12
9.4.1.
9.4.1.1.
Loop test ..........................................................................................9-13
9.4.1.2.
Local test mode................................................................................9-13
9.4.1.3.
9.5.
9.6.
9.6.1.
PLC ..................................................................................................9-16
9.6.1.1.
PLC hardware alarm ........................................................................9-16
9.6.1.2.
PLC link alarms ................................................................................9-18
9.6.1.3.
9.6.1.4.
PLC warnings...................................................................................9-20
9.6.1.5.
O4LE detail alarms...........................................................................9-21
9.6.1.6.
9.6.2.
Data..................................................................................................9-22
9.6.2.1.
9.6.2.2.
Data link alarms ...............................................................................9-23
9.6.2.3.
9.6.2.4.
Data warnings ..................................................................................9-25
9.6.3.
TPE ..................................................................................................9-25
9.6.3.1.
9.6.3.2.
TPE link alarms ................................................................................9-26
9.6.3.3.
9.6.3.4.
TPE warnings...................................................................................9-27
9.6.3.5.
VIII
1KHW001489-EN
November 2005
ETL600
Contents