ICP DAS USA U-7500 Series, User Manual

Page: 84 / 93

OPC UA I/O Series User Manual V4.0 – ICP DAS
84
4.4.3 Certificate
Function: When selecting MQTT certificate connection, the UA I/O needs to exchange the certificate
with the connecting device. This page is about setting the MQTT Certificate for the security
and encryption.
Support Module: All UA I/O modules support this function.
Manu Path :
【
MQTT Setting
】

【
Client Setting
】

( Appendix A ).
1.
“SSL/TLS”
is not "enable" by default. When not enabled, other setting items will be hidden.
MQTT Setting > Certificate – Content Setting
SSL/TLS Check the box and click “Save” to enable the settings for SSL/TLS secure
communication. Default: uncheck.
The setting items will not appear until clicking the "Save" button.
2. Authentication setting item will show up after enable
“SSL/TLS”. Select one way or
two way authentication.
One-way authentication: The Client verifies the validity of Broker credentials.
Two-way authentication: The Client and Broker verify the validity of the certificate with each other .
This setting page is setting for the MQTT secure encrypted communication (SSL/TLS: Secure Socket Layer
/ Transport Layer Security). Before setting this function, you need to download or upload the relevant
certificates. There are three types of certificates: Trusted Certificate, Certificate, and Private Key. Please
upload the files to the UA I/O module according to the type of certificates.
To perform the One-way authentication, you need to upload the Trusted Certificate.
To perform the Two-way authentication, you need to upload the Trusted Certificate first, and then
upload the Certificate and Private Key.