Siemens SIMATIC PCS 7 Function Manual page 72

OpenPCS 7 interface
6.5 OPC Alarms and Events (OPC A&E)
Requirement
● Alarm hiding groups are configured in the OS project.
Access to the messages via the OPC A&E interface
The messages of an area are only shown in the alarm hiding group. The messages are no
longer visible in the area.
The general mapping to the OPC A&E interface appears as follows:
Example of a hierarchy with an alarm hiding group
The following picture shows the hierarchy of messages in a browser that can be sent to the
client as a "conditional event".
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Function Manual, 05/2012, A5E02780178-02
OpenPCS 7