Siemens SIMATIC ET 200AL, System Manual

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Setting and determining system diagnostics
4.2 Options for displaying system diagnostics
Diagnostics
Function Manual, 11/2019, A5E03735838-AF
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Event table
The following information is displayed in the table for each diagnostics event:
● Sequential number of the entry
The first entry contains the latest event.
● Date and time of the diagnostics event
If no date and time are shown, the module has no integrated clock.
● Short designation of the event and, if applicable, the reaction of the CPU
● Symbol for information on incoming/outgoing status
The following table shows the possible symbols and their meaning.
Table 4- 5 Symbols in the event table
Symbol Meaning
Incoming event
Outgoing event
Incoming event for which there is no independent outgoing event
User-defined diagnostics event
Additional information
For additional information on the individual symbols, please refer to the online help for
STEP 7.
4.2.2.2 Accessible devices (without project)
Accessible devices
Accessible devices are all devices that are connected to a PG/PC either directly by an
interface or by means of a subnet and that are switched on. These devices can display
diagnostic information even without an offline project.
Requirements
● STEP 7 is open.
● The portal view or project view is open.