47
13 Supplement
VEGAPULS C 22 • SDI-12
58345-EN-200806
Command
Response
Description
aRC0! ... aRC9!
a<values><CRC><CR><LF>
Continuous Measurements and Request CRC
aD0! ... aD9!
a<values><CR><LF> or
a<values><CRC><CR><LF>
Send Data (M*, C*, V)
aV!
attn<CR><LF>
Start Verification
Send Identification
Example: Address = 2, Sensor = PULSC 21, device revision = 1 and serial number = 43210123
214VEGA____PSC 2100143210123
Initial Command
Response
aI!
aiiccccccccmmmmmmvvvxxx..xxx<CR><LF>
a: sensor address
ii:SDI-12 version number (14)
cccccccc: 8 char for vendor identification (VEGA)
vvv: 3 char for sensor version (001)
xxxxxxxx: 8 characters for. serial number (Ser-Nr)
Example
a2VEGAbbbbPSC 2100143210123<CR><LF>
Start Measurement and Send Data
Command
Response
Description
aM!
atttn<CR><LF>
a<CR><LF>
Start measurement
a: sensor address
ttt: the time in seconds, until the sensor will have the
measurement ready
n: the number of measurement values the sensor will
make and return
a<CR><LF>: service request
aD0!
a<value1><value2><value3><val
ue4><value5><CR><LF>
Send data (after aM!)
a: sensor address
<value1>: stage value:pss.sss
<value2>: distance value pdd.ddd
<value3>: electronics temperature pttt.t
<value4>: Measurement reliability prrr
<value5>: Device status eee
<CR><LF>
Measurement data and Format:
•
Stage value
– +ss.sss (m)
– +ss.sss (ft)
– +sssss (mm)
– +sss.ss (in)
