Siemens SIMATIC PCS 7 Service Manual page 76

Message concept of PCS 7
6.5 Understanding messages
List
Operation list
List of pending
messages
List of messages
to be hidden
Lock list
The following figure illustrates the path a message takes through the message lists.
Message archive
All messages, operator information and status changes are saved to the message archive.
You can use the filters to read specific information from the message archive.
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Contents
The operation list provides a view of the message archive. The operation list con‐
tains the operator log.
Examples:
● The operator has set the controller setpoint to 5 bar
● The operator has activated the drive
Displays all the acknowledged and unacknowledged messages that have not gone
out.
Display of all messages that are pending and automatically hidden.
Display of all messages that are locked.
Service Support and Diagnostics (V8.2)
Service Manual, 03/2016, A5E36200111-AA