When Necessary To Cycle The Power Supply To The Controller Or Reset The Controller; Automatic Generation Of The Server Certificate - Omron NJ501-1300 User Manual

3 Settings of the OPC UA Server
3-2-3 When necessary to cycle the power supply to the Controller or
reset the Controller
You need to cycle the power supply to the Controller or reset the Controller in the following cases:
• Changing OPC UA Server Use Option
the setting to the CPU Unit, and to enable the changes
*1. That means either case of Do not use to Use or Use to Do not use.
• When the Clear All Memory is executed with Use that is set in OPC UA Server Use Option
When data is downloaded or restored after OPC UA Server Use
Option is changed
If the OPC UA Server Use Option is changed, the following dialog box is displayed after the data is
downloaded or restored.
1
Click the OK Button.
2
Then, cycle the power supply to the Controller or reset the Controller.
After the execution of Clear All Memory while the OPC UA Server
Use Option set to Use
When Clear All Memory is executed with the OPC UA Server Use Option set to Use, a similar dialog
box is displayed. For details on how to perform Clear All Memory operation, refer to 8-3 Clear All Mem-
ory Function Related to the OPC UA Server on page 8-9.
3-2-4

Automatic Generation of the Server Certificate

The server certificate is automatically generated in the following case:
• When you cycle the power supply to the Controller or reset the Controller after downloading the proj-
ect whose OPC UA Server in the OPC UA Settings was changed from Do not use to Use to the CPU
Unit
And
• When there is no server certificate in the CPU Unit
The value of the IP address of the automatically generated server certificate is generated from the IP
address of the built-in EtherNet/IP port at the time.
If you change the IP address after the server certificate is generated automatically or manually, be sure to
regenerate the server certificate manually. For details on how to operate, refer to Regenerating the Server
Certificate in Server Certificate in 3-2-5 Setting and Displaying the Certificate. If the IP address of the server
certificate does not match the IP address of the built-in EtherNet/IP port, OPC UA clients can not connect to
the OPC UA Server.
3 - 8
*1
under OPC UA Settings before downloading or restoring
NJ-series CPU Unit OPC UA User's Manual (W588)