ICP DAS USA UA-5200 Series, Руководство пользователя

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UA-5200 Series User Manual V4.3 ICP DAS
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[ MQTT Variable Table ] :
MQTT Variable Table
Details
Show / Hide
Click [Show] to display all fields, click [Hide] to hide some fields.
The hide fields: Subscribe QoS, Publish QoS and Retain.
Remove Table /
Remove
Check the box in the left of the variable is to select that variable list,
and click the
“remove” on the box can delete that variable list.
Click the
“Remove” of the “Remove Table” will delete all lists.
Name The name of the MQTT variable. Default: Tag#
Attribute Display data attribute of the variable. (Not editable)
Include: Read, Read/Write
…
Data Type Display data type of the variable. Include: Bool, Short, Unsigned
Short, Long, Unsigned Long, Float, Double, String
Subscribe Topic The topic of receiving/subscribing data message.
Subscribe Qos
The s ubscribe Qos (Quality of Service) levels. Default: 2
0: Delivering a message at most once.
1: Delivering a message at least once.
2: Delivering a message at exactly once.
Publish Topic The topic of sending/publishing data message.
Publish Qos
The publish Qos (Quality of Service) levels. Default: 2
0: Delivering a message at most once.
1: Delivering a message at least once.
2: Delivering a message at exactly once.
Description For users set up the description for the variables.
Retain Check [Retain] box of the top row can store the broker message for
all variables in list. Check the box of each variable can store the
broker message just that variable. Default: Uncheck.
OK / Cancer Click [OK] to save and exit the page settings.
Click [Cancer] to exit without saving.