Section 7
Parameter Settings
64
FT742-SM (RS422 & RS485) Sensors
– User Manual
7.4.21
SN: Query the Serial Number and Platform Version
Command
Parameter
SN
Command
Syntax
SET Sensor:
NA
QUERY Sensor:
$<listenerID>,SN?*<checksum><cr><lf>
$aa,SN?*hh<cr><lf>
Sensor Output:
$<talkerID>,SN=<SerialNumber>,<PlatformVersion>*<ch
ecksum><cr><lf>
$aa,SN=xxxxx-xxx,xxsss*hh<cr><lf>
Parameters
<SerialNumber>
00000-000 to
99999-999
Unique serial number of the sensor
<PlatformVersion>
00-99
Platform version (issue) of the sensor design. The 3 spaces after the
2 digit number are reserved for future use.
Examples
Example 1
Read the sensor serial number and platform version
Message
Comment
$01,SN?*//<cr><lf>
Query serial number
$WI,SN=09000-130,24 *3E<cr><lf>
Sensor response
Description
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.
