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Configuration using the WBM
7.3 The menu items of the WBM
Parameter
Allow anonymous
access
Certificate
management
Generate OPC UA
server certificate
Outdated security
profiles
7.3.5
The menu command "Diagnostics - Hardware diagnostics"
In "Diagnostics - Hardware diagnostics", you can display the status parameters of the selected
reader and of the transponder currently in the antenna field.
This page is divided into the following areas:
• Basic settings
• Monitoring status
• Status
• Error counter
84
Description
If the check box is selected, the communication module allows anonymous
users access to the data of its OPC UA server.
Anonymous users do not need to specify a user name/password when
establishing a connection. If anonymous access is not allowed, an OPC UA
client or a user must provide a valid user name/password combination of a user
with OPC UA rights. A user with OPC UA rights can be created via the WBM. The
user profile preinstalled in the factory (user name: "admin", password "admin")
also has OPC UA rights.
It is recommended that you disable anonymous access.
Link to the "System - Certificates" menu item, where you can view existing
certificates, import new certificates, as well as create certificate signing
requests and transfer certificate files and certificate key files to the
communications module.
Button for creating an OPC UA server certificate.
Among other things the server certificate serves to identify the OPC UA server
to the OPC UA client.
The OPC UA server certificate contains the application name, the security
profile and the IP address of the communication module. If any part of this
information is changed, the server certificate needs to be recreated.
Note: Note that the procedure can take several minutes.
With this switch, you can show and use security profiles that are outdated and
classed as not secure. These profiles should only be used if no other security
profile can be used due to compatibility reasons.
Operating Instructions, 03/2022, C79000-G8976-C578-02
SIMATIC RF166C
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