Prerequisites
Note
Trusting client certificates is only possible with the SINUMERIK protection level 1
(manufacturer).
Trusting clients certificates manually
This procedure is only necessary, if the setting "Accept certificates automatically" is
deactivated.
1. Select the operating area "Setup" in SINUMERIK Operate.
2. Press the softkey “System data”.
3. In the files and folders tree navigate to:
● Embedded systems (NCU 840Dsl / 828D):
"System CF Card/addon/sinumerik/hmi/opcua/pki/rejected"
● PCU system:
"System harddisk/C:
System/ProgramData/Siemens/MotionControl/addon/sinumerik/hmi/
opcua/pki/rejected"
4 Select the rejected certificate.
5. Press softkey “Cut”.
6. Navigate to folder “trusted/certs”.
7. Press softkey “Paste”.
Setting up of OPC UA server
3.4 Certificate handling
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
Configuration Manual, 04/2018, 6FC5397-1DP41-0BA0 23
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