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ICP DAS WISE User Manual
Service) setting for the Publish Message.
xx In the "Retain" field, user can click the "Enable" checkbox to keep
the Publish Message in the Broker.
xxi The timing to publish message is set in the "Auto Publish" field,
there are two options: "When the I/O channel data changed and the
variation exceeds xxx" and "Periodical Publish". If the "When the
I/O channel data changed and the variation exceeds xxx" is
selected, the system will automatically publish the topic when the
I/O channel value is changed and exceeds the evaluation value
(This option only support "Channel Data" setting in "Message
Type"). If user selects "Periodical Publish", it mean the topic will
be published at periodic time schedule base on the value in
"Periodical Publish Interval" field.
xxii After completing all settings of Publish Topic, please click "OK"
button to add the Publish Topic to the Publish Message List.
xxiii Click the "Subscribe" tab to edit the Subscribe Topic. The user
interface is shown as below.
xxiv Click on "Add new Subscribe Topic" to add a new Subscribe Topic.
The Interface will be shown as below:
xxv Input a name of the Subscribe Topic in the "Nickname" field, and
you could also input the description of this Subscribe Topic in the
http://wise.icpdas.com
Figure 8-23：MQTT Subscribe Setting Page
Figure 8-24：MQTT Subscribe Topic Setting Page
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