Siemens SIMATIC OpenPCS 7 User Manual

OPC OS message system Event type
Area In PCS 7, an "area" is an area, a diagnostics area or an alarm hiding group. If there
is no area, no diagnostic area or no alarm hiding group configured for the message,
only the OPC area corresponding to the server prefix will be available.
S, C, T
Source Indicates the source of a message. The source has the format "<Server prefix>::Area
\Source". The server prefix of a local computer is "@LOCALMACHINE". The server
prefixes always show the top areas in the hierarchy of the server.
S, C, T
Time Issues a time stamp for received, sent and acknowledged messages. Issues a time
stamp in UTC (Universal Time Coordinated).
S, C, T
Type Indicates whether the event is a simple, tracking or condition-related event. S, C, T
Severity Displays the priority of the message. S, C, T
EventCategory Displays the message class. "Event Category" is made up of the "CategoryID" and
the "Category Description". "CategoryID" corresponds to the internal ID of the
message class. "Category Description" corresponds to the name of the message class.
S, C, T
Message Displays the message text of the corresponding message number. S, C, T
Condition Displays the message type. The message types "Alarm", "Warning" and "Tolerance"
are combined and called "Level" in PCS 7.
C
Sub Condition Corresponds to the "Condition" parameter. In PCS 7, this is identical to Condition in
single state conditions. The following subconditions are mapped for the "Level"
multistate condition in PCS 7:
● Alarm low
● Alarm high
● Warning low
● Warning high
● Tolerance low
● Tolerance high
C
ChangeMask Specifies the change of the condition. C
NewState Displays the current status of the condition. C
ConditionQuality Displays the quality of the message.
For additional information about quality codes refer to the system manual MDM -
WinCC/Connectivity Pack .
C
AckRequired Indicates whether the message requires acknowledgment. C
EventAttribute Lists the attributes required for this message. C
Quality Indicates the quality code of the message. C
Cookie Does not include any usable information for the client C
ActorID Indicates which user acknowledged the message. T
OpenPCS 7 interface
6.5 OPC Alarms and Events (OPC A&E)
OpenPCS 7
58 Function Manual, 05/2012, A5E02780178-02

Siemens SIMATIC OpenPCS 7 Specifications

General

Brand	Siemens
Model	SIMATIC OpenPCS 7
Category	Control Systems
Language	English