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
The probe interface address
aI! Send
Identification allccccccccmmmmmmvvvxxxxxxxxxxxx
Identification information
aAb! Change Address a
The probe interface address
aM! Start
Measurement atttn
Delay (ttt) in seconds and number of
values (n) up to 9
aMn! Start
Measurement
n in range “1”
- “3” atttn
Delay (ttt) in seconds and number of
values (n) up to 9
Note: A response of a0000 is
provided indicating all values are
served by previous Start Measurement
commands (aMn!)
aC! Concurrent
Measurement atttnn
Delay (ttt) and number of values (nn) up
to 16
aCn! Concurrent
Measurement
n in range “1”
- “9” atttnn
Delay (ttt) and number of values (nn) up
to 16
Note: A response of a0000 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
aRn! Continuous
Measurement a
Not supported
Probe interface will respond with its
address