Query the important parameters of the device for a certain year

such as, request: http://api.dessmonitor.com/public/?sign=7f220b6f21d0b52d0452d9c66ffe1f4f84635b81&salt=2337424845041575962&token=91a6c87e89acbfb2fa482f3b02ee071ee58ea0293dd92f243a88ee51415f497f&action=queryDeviceKeyParameterYear&source=1&_app_client_=android&_app_id_=com.demo.test&_app_version_=3.6.2.1

parameter description required
action queryDeviceKeyParameterYear true
pn Digital collector number true
devcode Device protocol encoding true
devaddr Device Address (485 bus) true
sn Device serial number true
parameter The parameter to query, seeImportant parameters of the device true
date The date to query, format: yyyy-mm true

response:

parameter description required
info Data of important equipment parameters for a certain year true 
{
    "err":0,
    "desc":"ERR_NONE",
    "dat":{
        "info":[{
                "par":"apparent_power",
                "val":"12.0000"
            }
        ]
    }
}

possible error:

Returns an error code description detailed description
0x0006 ERR_FORMAT_ERROR parameter error
0x0007 ERR_MISSING_PARAMETER The necessary parameters are missing
0x000C ERR_NO_RECORD No record (no data for the device)
0x0102 ERR_NOT_FOUND_DEVICE device not found

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