Siemens SINAMICS S210 Operating Instructions Manual page 562

Appendix
A.5 Certificates for the secure data transfer
A.5.2 Your own certificates
You can either generate your own certificates for the secured data connection or purchase
them from a certification authority (CA). In these cases, a server certificate and a private server
key are supplied.
● Server certificate:
● Private server key:
Certification authorities, from which you can purchase a certificate can be found on the Internet;
the same is true for software so that you can generate a certificate yourself, e.g. OpenSSL.
Using your own certificate
Requirements
You have a suitable SD card for your converter.
You have a server certificate and a private server key.
Procedure
1. Copy the server certificate and the private server key into the following directory on the SD
card of your converter:
OEM\SINAMICS\ WEB\WEBCONF\CERT
2. Rename the files to SINAMICS.key und SINAMICS.crt.
3. Create a backup copy of both files.
4. Import the certificate (*.crt) in the browser of your commissioning device so that it can
communicate with the browser.
Refer to the instructions (help) of your browser for the importing procedure.
5. Insert the memory card into your converter and switch on the converter.
6. Open an HTTPS Web server connection to your drive in the browser (https://
169.254.11.22/).
The connection is established once the certificate has been imported.
❒
If the certificate was not imported, the message indicating that the signed CA is unknown is
displayed when you open the browser.
560
<IP addr>.TLS.crt
<IP addr>.TLS.key
Example: 192.168.2.90.TLS.crt
Example: 192.168.2.90.TLS.key
SINAMICS S210 servo drive system
Operating Instructions, 01/2019, A5E41702836B AC