Changing The Value Of A Node - Siemens SITOP UPS1600 Manual

A subscription can only be made to nodes of NodeClass "Variable"
3.8.5.2

Changing the value of a node

Write access operations to values are not permitted in order to avoid making undesirable
changes.
Write access is made possible by calling method "InitLock". After 10 seconds, access is
automatically blocked again.
Permitting write access
Note
Write access only for devices with PROFINET interface
Write access via OPC UA is not supported by devices with USB interface (... - 1AY0).
SITOP UPS1600 / UPS1100
Manual, 04.2017, A5E37775406-8-76
Engineering and remote access
3.8 OPC UA server
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