Campbell Scientific Sentek EnviroSCAN EasyAG SDI-12 Manual v 3.4 - Manual (Page 20)

EnviroSMART & EasyAG SDI-12 Probe Manual
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Supported Commands
SDI-12 Commands Supported
The following commands are supported by the EnviroSMART and EasyAG SDI-12 probe interfaces:
Command Name Response
a! Acknowledge
Active a<CR><LF>
The probe interface address
aI! Send
Identification allccccccccmmmmmmvvvxxxxxxxxxxxx<CR><LF>
Identification information
aAb! Change Address a<CR><LF>
The probe interface address
aM! Start
Measurement atttn<CR><LF>
Delay (ttt) in seconds and number of
values (n) up to 9
aMn! Start
Measurement
n in range “1”
- “3” atttn<CR><LF>
Delay (ttt) in seconds and number of
values (n) up to 9
Note: A response of a0000<CR><LF> is
provided indicating all values are
served by previous Start Measurement
commands (aMn!)
aC! Concurrent
Measurement atttnn<CR><LF>
Delay (ttt) and number of values (nn) up
to 16
aCn! Concurrent
Measurement
n in range “1”
- “9” atttnn<CR><LF>
Delay (ttt) and number of values (nn) up
to 16
Note: A response of a0000<CR><LF> is
provided indicating all values are
served by previous Start Concurrent
Measurement (aCn!) commands
aDn! Send Data
n in range “0”
- “9” Refer to “Data Reading” section
aV! Start
verification a0000<CR><LF>
aRn! Continuous
Measurement a<CR><LF>
Not supported
Probe interface will respond with its
address