Agent for SIMATIC WinCC OA

    Interface between SIMATIC WinCC Open Architecture and Alarm Control Center

    The WinCC OA agent enables the connection of Alarm Control Center at WinCC OA. The WinCC OA agent accepts messages from individual or redundant WinCC OA servers and forwards them to the Alarm Control Center. The connection is made via the supplied WinCC OA Manager . Depending on the configuration, the WinCC OA agent can return feedback from the Alarm Control Center to WinCC OA and thus acknowledge messages directly in WinCC OA.

    Agent for SIMATIC WinCC OA
    Agent for SIMATIC WinCC OA

    The WinCC OA agent enables the connection of Alarm Control Center at WinCC OA. The WinCC OA agent accepts messages from individual or redundant WinCC OA servers and forwards them to the Alarm Control Center. The connection is made via the supplied WinCC OA Manager . Depending on the configuration, the WinCC OA agent can return feedback from the Alarm Control Center to WinCC OA and thus acknowledge messages directly in WinCC OA.

    Agent for SIMATIC WinCC OA

    Alarm data from message blocks

    To generate alarm messages, the Alarm Control Center accesses data from the message blocks of the WinCC OA message, e.g. the alarm group. For this purpose, the WinCC OA message blocks are assigned to the corresponding parameters of the ACC message. It is possible to alert individual data points or entire data point groups via an alarm group in the Alarm Control Center.

    Agent for SIMATIC WinCC OA

    Alarm data from message blocks

    To generate alarm messages, the Alarm Control Center accesses data from the message blocks of the WinCC OA message, e.g. the alarm group. For this purpose, the WinCC OA message blocks are assigned to the corresponding parameters of the ACC message. It is possible to alert individual data points or entire data point groups via an alarm group in the Alarm Control Center.

    Alarm message parameters

    The following WinCC OA parameters can be used to build alarm messages:

    • Text of the WinCC OA message
    • Timestamp of "message arrived" in the control system
    • Name of the triggering WinCC OA system
    • Timestamp of "message arrived"
    • Value of the message tag that triggered the message
    • Priority of the message
    • Units of value
    Agent for SIMATIC WinCC OA
    Agent for SIMATIC WinCC OA

    Alarm message parameters

    The following WinCC OA parameters can be used to build alarm messages:

    • Text of the WinCC OA message
    • Timestamp of "message arrived" in the control system
    • Name of the triggering WinCC OA system
    • Timestamp of "message arrived"
    • Value of the message tag that triggered the message
    • Priority of the message
    • Units of value
    Agent for SIMATIC WinCC OA

    Increased reliability with the Monitoring option

    Increased reliability is ensured by the ACC Monitoring option. The option monitors all functions of the Alarm Control Center and also provides the following functionalities for the WinCC OA agent:

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    • Connection check: It is checked whether the agent is successfully connected to the WinCC OA via the included WinCC OA manager.
    • Redundant connection check: It is checked whether there is a connection to the two supplied WinCC OA Managers.
    • Control system availability: It is checked whether the control system is functional and correctly connected to the ACC.
    • Message load compliance: It is checked whether the specified maximum message load is adhered to. The message load is exceeded when the agent cannot process messages fast enough and messages build up in the agent's queue.
    Agent for SIMATIC WinCC OA

    Increased reliability with the Monitoring option

    Increased reliability is ensured by the ACC Monitoring option. The option monitors all functions of the Alarm Control Center and also provides the following functionalities for the WinCC OA agent:

    learn more

    • Connection check: It is checked whether the agent is successfully connected to the WinCC OA via the supplied ACC Manager.
    • Redundant connection check: It is checked whether there is a connection to the two supplied WinCC OA Managers.
    • Control system availability: It is checked whether the control system is functional and correctly connected to the ACC.
    • Message load compliance: It is checked whether the specified maximum message load is adhered to. The message load is exceeded when the agent cannot process messages fast enough and messages build up in the agent's queue.

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