Displaying alarms and messages
Siemens AG, 2004. All rights reserved
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
8.2 Displaying alarms and messages
You can display a list of alarms and messages.
The alarm overview displays all active alarms with alarm numbers,
date, clearance criteria and descriptions.
Clear the alarm by pressing the key that is displayed as a symbol:
Switch device off and on again (main switch)
or NCK POWER ON
Press "Reset" key.
Press "Alarm Cancel" key.
Alarm is cleared with the "Cycle Start" key.
Alarm is cleared with the "Recall" key (message box).
PLC operational messages that do not have to be acknowledged (as
You can use a machine datum to set which acknowledgement symbol
is to be displayed for PLC alarms.
The following symbols are available:
Display several alarms in succession:
By setting a machine datum, you can display several alarms (NCK,
PLC, HMI) in succession in the alarm line. Each alarm remains visible
in the set tool life until it is displaced by the next alarm.
Diagnosis Operating Area