Xylem 4046 ANALOG TO SDI-12 CONVERTER User Manual
Page 5
Turn Analog Power ON: This command will “Switch ON” the 12V power output to
the external analog sensor(s). command aXON!
sensor response a0001
Results retrieved a send data command (aDO!): aVsw on for 25 sec
Analog power will remain on for at most 25 seconds or until the next read of the
sensor.
Turn Analog Power OFF: This command will “Switch Off” the 12 V power output to
the external analog sensor(s).
command
aXOFF!
sensor response a0001
service request a
Write User Defined Slope: The analog sensors and the tipping bucket have user
defined slope (scaling) factors. The scaling factors can be real numbers in the
range. Default slope values are 1.000.
command
aXWScsxxxxxxx!
sensor response
a0011
service request
a
where c is the channel selector: A=channel A,channel B, c for EVNTin (tipping
bucket),s is the sign of the number: +or -,x is the numeric value. The response
shows 1 data value will be ready in 1second upon which time a service request is
issued by the sensor.
Write User Defined Offset: The analog sensors have a user defined offset value.
The default value is 0.000
command
aXWOcsxxxxxxx!
sensor response
a0011
service request
a
where c is the channel selector: c =A for ANAin1, B for ANAin 2, C for EVNTin
(tipping bucket), s is the sign of the number ( + or -), x is the numeric value. The
response shows 1 data value will be ready in 1 second upon which time a service
request is issued by the sensor.