INW AquiStar T1, Инструкция по эксплуатации

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11
Reading via SDI-12
SDI-12 Command Nomenclature
a = Sensor address
{crc} = SDI-12 compatible 3-character CRC
<cr> = ASCII carriage return character
<lf> = ASCII line feed character
Following commands are shown in the format of:
cmd response // comments
SDI-12 Commands
Query and Setup Commands
//*** Sensor Identifi cation
aI!
a13 INWUSA PT12 0.7 ssssssssss<cr><lf> // note: 0.7 will change to refl ect
current fi rmware revision
ssssssssss = device serial #
//*** Acknowledge Active
a!
a<cr><lf>
//*** Address Query
?!
a<cr><lf>
//*** Change Address
aAb!
b<cr><lf> // change address from a to b
Request measurement
aM! a0023<cr><lf> // request temperature/voltage
measurement
aD0!
a +0+25.0000+12.0512 <cr><lf> // read null, temperature (°C), voltage (V)
aM2! a0021<cr><lf> // request temperature measurement
aD0! a +25.0000 <cr><lf> // read temperature (°C)
aM3! a0021<cr><lf> // request power supply voltage
measurement
aD0!
a +12.0512 <cr><lf> // read power supply voltage (V)
aM4! a0 ttt 4<cr><lf> // request averaged data. ttt depends upon
programmed average duration
aD0! a +0+0+0+25.0000 <cr><lf> // read null, null, null, average temperature
Request measurement with CRC
aMC! a0023<cr><lf> // request temperature/voltage measurement
aD0! a +0+25.0000+12.0512 {crc}<cr><lf> // read null, temperature (°C), voltage (V)
aMC2! a0021<cr><lf> // request temperature measurement
aD0! a +25.0000 {crc}<cr><lf> // read temperature (°C)