Some alarm attributes do not have a current value in the OPC UA server in the process gateway

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• OPC UA Process Gateway does not update alarm attributes if using Dynamic Limits

  Summary A zenon variable, defined as an alarm with dymanic limit variable linked the OPC UA server does not update the .HighLimit or .LowLimit alarm atributes.These attributes will continue to show the value of the disabled static limit value. ...

• FAQ: How can I browse an OPC UA Server using the zenon OPC UA Client Driver?

  Go to Drivers > New Driver Create a Driver of Type "OPC UA Client Driver" Open the Driver Configuration Go to "Connections" Create a new Connection Enter your Discovery URL Enter your Server URL manually or click the 3 dots to browse the Discovery ...

• The OPC UA server in the process gateway produces different texts for the first alarm and consecutive alarms

  Summary The OPC UA server in the process gateway produces the text "The alarm has been created" for a first alarm that was created and the text "The alarm severity has increased" for the second and further alarms that are created.   DescriptionThe ...

• The OPC UA server in the process gateway creates an alarm object for boolean variables with alarm limits also if a reaction matrix is used

  Summary The OPC UA server in the process gateway also creates an alarm object for the limits when these limits are configured as alarms, when a reaction matrix is linked and used at the variable.     DescriptionThe OPC UA server in the process ...

• The AccessOPCUA OPC UA server in the process gateway allows write requests of OPC UA clients when the variable status is INVALID and updates the internal shadow value.

  Summary When a variable configured in the OPC UA server in the process gateway has status INVALID an OPC UA client can still write the value and the value will get updated in the OPC UA server itself. The value is not sent to the runtime and the PLC. ...