Section 6 Parameter Settings
56 FT742-DM (RS485) Sensors ā User Manual
6.4.19 SN: Query the Serial Number and Platform Version
$<listenerID>,SN?*<checksum><cr><lf>
$<talkerID>,SN=<SerialNumber>,<PlatformVersion>*<ch
ecksum><cr><lf>
$aa,SN=xxxxx-xxx,xxsss*hh<cr><lf>
Unique serial number of the sensor
Platform version (issue) of the sensor design. The 3 spaces after the
2 digit number are reserved for future use.
Example 1
Read the sensor serial number and platform version
$WI,SN=09000-130,24 *3E<cr><lf>
The SN command returns the serial number of the sensor and also the platform version
of the sensor.
The serial number format starts with a 5 digit batch code, followed by a 3 digit number
which identifies a sensor within a particular batch. The overall number is the unique
serial number identifier for the sensor.