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DISOCONT® Tersus (DT-9) Configuration and Operations Manual
©Schenck Process Group
131
10 Event (Error) Messages
Event messages report abnormal states, e.g. errors or limit value excess.
Always correct the cause of a fault before acknowledging it. The feeder has the potential to cause
injuries or damage if this procedure is not followed.
There are four different event classes:
Event Class Code Display / Effect
Alarm A
All measuring and control operations are aborted.
System goes to safe state. This type of event is the
same as a feeder trip on the 196NT.
Warning 1 W1
The event is annunciated and remains active until it
has been acknowledged. Measuring and control
tasks are not affected. This type of event is similar to
some type of alarms on the 196NT
Warning 2 W2
The event is annunciated and remains active until
the cause has been corrected. It is not necessary to
acknowledge this type of event. Measuring and
control tasks are not affected. This type of event is
similar to some type of alarms on the 196NT
Ignore IG
Event is not annunciated. Measuring and control
tasks are not affected.
Event are classified in the following groups with the priority shown.
Event Group Symbol
System message SY
Sequence monitoring SC
Electrical system WE
Mechanical system WM
Material flow MF
Interlocking IL
Controllers CO
Calibration CA
Maximum HI
Minimum LO