Engineering and remote access
7.8 OPC UA server
Power supply system SITOP PSU8600
Manual, 09.2018, A5E36758446-5-76
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Subscribe to a node
The actual values of a subscribed node are permanently displayed in area "Data Access
View".
To subscribe to node, drag the appropriate node from area "Address space" - and drop into
area "Data Access View".
A subscription can only be made to nodes of NodeClass "Variable" .
7.8.5.2
Changing the value of a node
Write access operations to values are not permitted in order to avoid making undesirable
changes.
Write access is possible by calling method "InitLock". After 10 seconds, access is
automatically blocked again.