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WISE-4471 User Manual
48
A.2
iSensing MQTT Format for subscribing
A.2.1
Topic Format: Advantech/MAC_Address/ctl/doIndex
These topics are used to control the digital outputs on the sensors that support them.
These requests need to be published to the broker handling the Sensor network.
A.2.2
Payload Format
WISE-4471-S214
(4-AI, 4-DI)
{"s":1,
"t":"2014-07-11T15:26:37Z",
"q":192,"c":1,
"ai1":-1.234567,
"ai_st1":1,
"ai2":-123.4567,
"ai_st1":2
"di1":false,"di2":true }
The value of the sensor in
engineering units if ai disable
the value is 9999.9999
"ai_st": AI status number meaning:
0, AI Channel disable
1, Streaming
2, High latch
3, High momentary
4, Low latch
5, Low momentary
The value of di1 and di2 can be:
false, true.
Note!
The channel number on WISE module is "0" based, and the channel
number of MQTT topic is "1" based. For example: "DO0" of WISE mod-
ule use topic "do1"
Field
Description
Advantech
Vendor of WISE Series
MAC_Address
MAC address of WISE Series
doIndex
The index of the DO channel. Note that the index start with '1'
Note!
The channel number on WISE module is "0" based, and the channel
number of MQTT topic is "1" based. For example: "DO0" of WISE mod-
ule use topic "do1"
JSON data
Description
{"v":true}
Setup the DO Boolean value as true
{"v":false}
Setup the DO Boolean value as false
Note!
While sending control MQTT command, do not set the retain bit when
publishing messages to this topic; otherwise, an old retained message
may change the state of the output.
Содержание WISE-4470 Series
Страница 1: ...User Manual WISE 4471 Series ...
Страница 9: ...Chapter 1 1 Product Overview ...
Страница 11: ...Chapter 2 2 Product Overview ...
Страница 16: ...WISE 4471 Series User Manual 8 2 5 Block Diagram Figure 2 5 WISE 4471 S250 Block Diagram ...
Страница 17: ...Chapter 3 3 Hardware Installation ...
Страница 24: ...WISE 4471 Series User Manual 16 ...
Страница 25: ...Chapter 4 4 System Configuration ...
Страница 50: ...WISE 4471 Series User Manual 42 ...
Страница 51: ...Appendix A A iSensing MQTT ...