Page 14
597A-9800 Manual Rev A
SDI-12 Commands
NAME SDI-12
COMMAND
SENSOR RESPONSE
Address Query
?!
a
<CR><LF>
Where
a
= address
Acknowledge Active
a
!
a
<CR><LF>
Where
a
= address
Send Identification
a
I!
a
13METONE 597A 0.1
0A
xxxxx
<CR><LF>
Where
a
=address and
xxxxx
= S/N
Change Address
a
A
b
!
b
<CR><LF>
Where
b
= new address
Start Measurement
a
MC!
a
0003<CR><LF>
Where
a
= address
Send Data
a
D0!
a
+
bbb.bb
+
ccc.c
+
ddd.dd
<CR><LF>
Where
a
= address,
bbb.bb
= temperature,
c
cc.c
= relative humidity and
Send Data
dddd.dd
= barometric pressure
Start Concurrent
Measurement
a
C!
a
00003<CR><LF>
Where
a
= address
Start Concurrent
Measurement with CRC
a
CC!
a
00003<CR><LF>
Where
a
= address
Continuous Measurements
a
R0!
a+bbb.bb+ccc.c+ddd.dd<CR><LF>
Where a = address, bbb.bb = temperature,
ccc.c = relative humidity and
Send Data dddd.dd = barometric pressure
Continuous Measurements
with CRC
a
RC0!
a+bbb.b+ccc.c+ddd.d<CR><LF>
Where a = address, bbb.b = temperature,
ccc.c = relative humidity and
Send Data dddd.d = barometric pressure
,
and {crc} = CRC
Report Temperature Units
a
XTU!
a
XTU
d
<CR><LF>
Where
a
= address, and
d
= 0 for Celsius (default), or
1 for Fahrenheit
Set Temperature Units
a
XTU
d
!
Содержание 597A
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