Query device control items only write the value of the area
| parameter | description | required |
|---|---|---|
| action | queryDeviceCtrlValue | true |
| pn | Digital collector number | trues |
| devcode | Device protocol encoding | true |
| devaddr | Device Address (485 bus) | true |
| sn | Device serial number | true |
| id | Field ID | true |
| i18n | International language, seeSupport for multiple languages | true |
response:
| parameter | description | required |
|---|---|---|
| grd_grid_standard_setting | if the field ID of query different in passed parameters，the parameters passed will not be the same | trues |
{
"err": 0,
"desc": "ERR_NONE",
"dat": {
"val": "VDE4105",
"id": "grd_grid_standard_setting"
}
}