Query the field check status of a device

such as, request: http://api.dessmonitor.com/public/?sign=670eab7419fdc32302f216fe1d752b76e48c8202&salt=1597809386926&token=b1d15ada76433afeed1d3d7fd65a495de7a9c3a1d574cec58ca5cd34d1a5976a&action=queryDeviceFields&pn=N5620270334744&sn=N5620270334744025501&devaddr=1&devcode=597&source=1&_app_client_=android&_app_id_=com.demo.test&_app_version_=3.6.2.1

parameter description required
action queryDeviceFields true
i18n International language, seeSupport for multiple languages true
pn Digital collector number true
devcode Device protocol encoding true
devaddr Device Address (485 bus) true
sn Device serial number true

response:

parameter description required
name[x] Field name true
flag[x] Whether to display，true为display，false为Not displayed true
pos[x] The field coordinate string true

possible error:

Returns an error code description detailed description
0x0006 ERR_FORMAT_ERROR parameter error
0x000C ERR_SYSTEM_EXCEPTION System exception
0x000C ERR_FORBIDDEN Access denied
0x0102 ERR_NOT_FOUND_DEVICE device not found

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