Overview of Smart Water Meter Open Capabilities
Last Updated on : 2023-06-20 14:54:03download
This topic describes how to integrate with open capabilities of smart water meters.
Manage smart water meters
| API Name | API endpoint |
|---|---|
| Set Valve Openness | POST:/v1.0/water-meter/{device_id}/actions/valve-open-degree |
Smart water meter event format
After you subscribe to the message service for a cloud development project, you will receive event messages from the linked smart water meters. For more information about the integration with a message queue, see Message Queue.
Report monitoring data
API description
The smart water meter reports device monitoring data.
Description of status
Response data is classified by data type for each data point identifier (DP code).
List of data types
| DP code for metrics | Data description | Data type |
|---|---|---|
| water_flow | Water flow | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| monthly_water_total | Total monthly water consumption | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| daily_water_total | Total daily water consumption | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| switch_state | Switch status | Boolean type. |
| d_begin_water_total | First reading of a day | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| d_end_water_total | Last reading of a day | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| d_begin_time | First reading time of a day | String type. |
| d_end_time | Last reading time of a day | String type. |
| valve_state | Valve status | Enum type. Valid values:
|
| m_begin_water_total | First reading of a month | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| m_end_water_total | Last reading of a month | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| m_begin_time | First reading time of a month | String type. |
| m_end_time | Last reading time of a month | String type. |
| cold_stall_userdata | Usage of shared cold water | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| cold_stall_type | Sharing type of cold water | Enum type. Valid values:
|
| hot_stall_userdata | Usage of shared hot water | Long type, in m³. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
| hot_stall_type | Sharing type of hot water | Enum type. Valid values:
|
| valve_open_degree | Valve openness | Long type, in %. The reported value has been magnified 1,000 times to deal with the decimal point. The value must be divided by 1,000 to get the real value. |
Example
{
"dataId": "AAXRV4BrtW9BRB9A2JYW****",
"devId": "6ca****",
"productKey": "ataawino67sm****",
"status": [
{
"18": 121,
"code": "valve_open_degree",
"t": 1637548630455,
"value": 121
}
]
}
Smart water meter event format v1.0
Device event messages are compatible with v1.0 format. If you want to subscribe to the v1.0 format, please contact Tuya’s staff. For more information about the integration process, see Device event format v1.0.
Report the collected data
API description
The data collected by the smart water meter is reported to Tuya IoT Cloud. You will also be notified.
Parameters
| Parameter name | Data type | Description | Required |
|---|---|---|---|
| bizCode | String | The business code of a specified event. Default value: edge_device. |
Yes |
| eventType | String | The type of a specified event. Default value: water_meter_monitor. |
Yes |
| data | String | The data string in the JSON format. | Yes |
Description of data
| Parameter name | Data type | Description | Required |
|---|---|---|---|
| mode | String | The mode of a specified event. Default value: water_meter_monitor. |
Yes |
| data | String | The event string in the JSON format. | Yes |
Description of event string
| Parameter name | Data type | Description | Required |
|---|---|---|---|
| deviceId | String | The ID of a Tuya device. | Yes |
| type | String | The sampling metric. | Yes |
| value | Double | The value of a sampling metric. | Yes |
| happenTime | Long | The timestamp. | Yes |
Fields of sampling value type
| type | Description |
|---|---|
| totalFlow | Total flow rate |
| monthlyFlow | Total monthly water consumption |
| dailyFlow | Total daily water consumption |
| dailyBeginFlow | First reading of a day |
| dailyEndFlow | Last reading of a day |
| dailyBeginTime | First reading time of a day |
| dailyEndTime | Last reading time of a day |
| monthlyBeginFlow | First reading of a month |
| monthlyEndFlow | Last reading of a month |
| monthlyBeginTime | First reading time of a month |
| monthlyEndTime | Last reading time of a month |
| valueStatus | Valve status |
| switchStatus | Switch status |
Example
{
"data": "{\"mode\":\"water_meter_monitor\",\"data\":\"{\\\"deviceId\\\":\\\"002dj00118fe34d9****\\\",\\\"happenTime\\\":1612514362591,\\\"type\\\":\\\"dailyBeginFlow\\\" ,\\\"value\\\":1}}",
"bizCode": "edge_device",
"eventType": "edge_report_data"
}
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