1. At the beginning of each chapter for variable sections, you find the information "OEM-MMC:
LinkItem“ specifying "/ToolCompensation/“.
2. Refer to the document and search for "ChannelCompensation" and then navigate manually
to the requested parameter "cuttEdgeParam".
Example 3: Finding a variable from documentation on OPC UA client
You want to find the variable "cuttEdgeParam" in the Tool edge data section.
1. At the beginning of each chapter of the variable documentation you find the information
"OEM-MMC: LinkItem" specifying here "/ToolCompensation/".
2. Therefore you will find the variable "cuttEdgeParam" in the OPC UA Browse Tree in the
folder "Tool", subfolder "Compensation".
5.3.7 Monitored items
An OPC UA client can subscribe to a selection of nodes of interest and let the server monitor
these items. Only in case of changes, e.g. to their values, the server notifies the client about
such changes. This mechanism reduces the amount of transferred data immensely. Besides
the reduction of bandwidth this mechanism introduces further advantages and is the
recommended mechanism to “read” information from a UA server.
A client can subscribe to different types of information provided by an OPC UA server. The
purpose of a subscription is to group these sources of information, called monitored items,
together, forming a piece of information called a notification.
Functionality
5.3 Variable access
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
Configuration Manual, 04/2018, 6FC5397-1DP41-0BA0 45
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