ICP DAS USA PMC series, Руководство пользователя

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ICP DAS PMC/PMD Series User Manual
197
Topic can be included in the IF condition statements; the editing pages
for MQTT Broker connection status and Subscribe Topic condition
setting are shown as below:
11.1.6.1 Broker Connection Status
The Broker connection status can be included in the IF condition
statements; the editing page is shown as below:
Figure11-15 : Broker Connection Status condition setting
Follow the steps below:
i
Specify the Broker from the dropdown list of “Broker” field that
you are going to include its connection status in the IF condition
statements.
ii
And then specify the connection status to be “Offline” or
“Online”. If the connection status of the Broker match the
evaluation criteria, the result of this condition evaluation will be
“true”.
iii
Click “OK” button to confirm the settings and return to the Rule
settings page.
11.1.6.2 Subscribe Topic
The content of the Subscribe Topic can be included in the IF
condition statements; the editing page is shown as below:
Figure11-16 : Subscribe Topic condition setting
Follow the steps below:
i Specify the Broker and Subscribe Topic from the dropdown list of
“Broker” field and “Topic” field that you are going to include