OPC UA Server PLX32-EIP-MBTCP-UA ♦ Multi-Protocol Gateway
User Manual
Page 114 of 156 ProSoft Technology, Inc.
March 8, 2018
7.2.3 Creating a CA Certificate
The CA Certificate is used by PSW-UACM to sign newly created device
certificates. It is also installed into a device’s trust list as part of the provisioning
process.
The CA Certificate is used to sign PSW-UACM’s own OPC UA Application
Instance Certificate, which is used on connections from PSW-UACM to
provisioned devices.
Note that the current version of the gateway does not support the renewal of the
CA Certificate. Therefore, it must be created with a lengthy validity period. Once
the CA Certificate expires, devices will switch to “not provisioned” mode on the
next reboot.
The CA Certificate should be created once, and not re-created until a new
version of the PSW-UACM with support of CA Certificate renewal is available.
1 In PSW-UACM, click on SETUP > CREATE CA CERTIFICATE
2 Enter your application information in the setup wizard. Click the NEXT
button.
3 The software creates the CA certificate with your application information.
Click FINISH.
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