Warnings - ABB ETL600 Instruction Manual

ABB Switzerland Ltd
The purpose of the alarms and warnings is to help the user in
localization and identification of faults and abnormal operating
conditions.
Alarms, Warnings from
remote terminal (via EOC)
Hardware
components
Software
processes
Fig. 9-2
9.3.2.

Warnings

Warnings are used to signal that an equipment is not in normal
operation state, but otherwise working properly. Examples:
•
Measurement of frequency response
•
Tuning of RF filters
•
Equipment running with temporary configuration
•
Dummy load plugged
Warnings are collected and reported via the same mechanisms as
alarms.
Warning LEDs are provided on the front plates of P4LT, O4LE and
G4AI. Their colour is yellow.
9.3.3. Grouping of alarms
Alarms and warnings can be grouped according to several criteria (Fig.
9-3):
•
Service:
•
Hardware:
9-6
1KHW001489-EN
Remote
ETL600
terminal
High-level alarms
Voltages,
Currents
Alarm
processing
Alarms,
Warnings
Events
Event
recorder
Alarm processing – block diagram
PLC, TPE1, TPE2, DATA
Circuit boards of the ETL600 terminal
November 2005
High-level alarms
High-level
alarms
High-level
alarms
Low-level
alarms
Low-level +
Detail alarms
Low-level
alarms
ETL600
Alarms, Warnings to
remote terminal (via EOC)
LEDs
Relay contacts on
P4LT, R1BC,
G4AI, O4LE
Polled alarm
messages
Alarm display in
system status
Local
ETL600
terminal
Troubleshooting