| Table of Contents |
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Example
| Code Block | ||
|---|---|---|
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[{
"processing_level": 0,
"sensor_id": "Temperature",
"timestamp": "20162019-0108-01T19:02:59.975+0100",
06T13:02:59.975Z",
"value": 7
},{
"processing_level": 0,
"sensor_id": "Temperature",
"timestamp": "2019-08-06T13:03:58.478Z",
"value": 11
}, {
"processing_level": 0,
"sensor_id": "Temperature",
"timestamp": "2019-08-06T13:04:59.975Z",
"value": 56
},{
"processing_level": 0,
"sensor_id": "Temperature",
"timestamp": "2019-08-06T13:05:58.478Z",
"value": 2250
}] |
Attribute definitions
| Attribute name | Data type | Comments |
|---|---|---|
sensor_id | String | |
processing_level | String | indicates if there was a problem during the processing on the data. the value will be tagged. 0 mean no problem |
timestamp | String | ISO 8601 (with Timezone Information) in case of an empty string would the server would generate a now() timestamp |
value | Number, String, Boolean |
...
- this sensor is used to display the gateway status
- the gateway should try after a successful connect to the MQTT Broker this message. Only by successfully receiving the acknoledgement it can be assured that next messages can be published. (access security might appear)
- use events with state: "CONNECTED"
- on a regular shutdown of the gateway we recommend publishing a state: "OFFLINE" event
- in order to show a unexpected disconnect we recommend using the MQTT feature lastWillTestament (using an offline payload)
- the timezone information of the timestamp of the CONNECTED message is used to
System Messages
Topic: <orgShortName>/sys_msg/<serial>
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