Siemens PROFINET SIRIUS 3RW5 - Page 114

Supported OPC UA services
• SecurityPolicy (encryption and hash procedure)
– No Security
Use of the security pro󹪝le "None" according to the OPC UA speci󹪝cation. This security
pro󹪝le does not provide any security mechanisms.
– Basic128RSA15
Use of the security pro󹪝le "Basic128RSA15" according to the OPC UA speci󹪝cation. Only
use this security pro󹪝le if you cannot use another security pro󹪝le for compatibility reasons.
– Basic256
Use of the security pro󹪝le "Basic256" according to the OPC UA speci󹪝cation. Only use this
security pro󹪝le if you cannot use another security pro󹪝le for compatibility reasons.
– Basic256SHA256
Use of the security pro󹪝le "Basic256SHA256" according to the OPC UA speci󹪝cation.
• MessageSecurityMode (security setting for messages)
– No Security
Use of the security procedure "NONE" according to the OPC UA speci󹪝cation. This security
procedure does not provide any security or safety mechanisms.
– Sign
Use of the security procedure "SIGN" according to the OPC UA speci󹪝cation. The messages
and data packets are signed but not encrypted.
– Sign and encrypt
Use of the security procedure "SIGNANDENCRYPT" according to the OPC UA speci󹪝cation.
The messages and data packets are signed and encrypted.
"Basic256SHA256 - sign and encrypt" is enabled in the factory setting of the 3RW5 PROFINET
High Feature communication module.
Note
Unsecured connection between OPC UA client and OPC UA server
If you enabled "No Security", any OPC UA client can connect to the OPC UA server regardless of
other security parameters that have been set. Use the "No Security" setting for test purposes
only. Set up a secure connection between the OPC UA client and OPC UA server for productive
operation.
Setting options
• 3RW5 HMI High Feature (󹪝rmware version V3.1 or higher)
Menu: "Parameter > Communication Module > OPC UA server" (if OPC UA server is activated)
You will 󹪝nd more information on operating the 3RW5 HMI High Feature in the Equipment
Manual of the 3RW5 soft starter.
• User program via data set 132 (Page 163)
Functions
8.4 OPC UA server
SIRIUS 3RW5 PROFINET communication modules
114 Equipment Manual, 05/2021, A5E35631297002A/RS-AD/004