Functionality
5
5.1 Overview
Overview
The SINUMERIK OPC UA server provides the possibility to communicate with SINUMERIK
via OPC UA. The following functionalities of the OPC UA specification are supported by the
server:
● Data Access:
Read, write and subscribe to SINUMERIK variables (NC, PLC)
● Alarms & Conditions: Event based provision of SINUMERIK alarms and messages from
HMI, NC and PLC
● Methods:
Transfer of part programs
This chapter describes the address space of the SINUMERIK OPC UA server and gives further
information how to address some SINUMERIK specific values. Especially since a lot of
SINUMERIK values are stored in arrays or matrices.
Furthermore the SINUMERIK alarm object is explained and it is shown how to get the alarms
from the server.
At the end of this chapter it is explained how users can transfer files from or to the server using
two comfortable methods.
5.2 Address space model
Address space model
If the OPC UA server is browsed, the available address space is mapped under the "Sinumerik"
node.
Global User Data (GUD) can be found under the "/Sinumerik/GUD" node.
The PLC blocks (inputs, outputs, bit memory, data blocks) can be found under the "/Sinumerik/
Plc" node.
Machine data can be found under the node "/Sinumerik/TEA".
Setting data can be found under the node "/Sinumerik/SEA".
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
Configuration Manual, 04/2018, 6FC5397-1DP41-0BA0 35
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