In-Situ Aqua TROLL 400 Modbus and SDI-12 Reference Guide User Manual
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Name
Command
Response
Set Conductivity
Cell Constant
aXCKpd.d!
aOK
aERROR
pd.d = cell constant
p = polarity sign (+ or -)
d = digits (1 to 7)
. = decimal point (optional)
Read Conductivity
Cell Constant
aXCK!
apd.d
pd.d = cell constant
Set Pressure Units
aXPUnnn!
aOK
aERROR
nnn = the pressure units ID
Three digits are required.
Read Pressure Units
aXPU!
annn
nnn = pressure units ID
Set Level Units
aXLUnnn!
aOK
aERROR
nnn = the level units ID
Three digits are required.
Read Level Units
aXLU!
annn
nnn = level units ID
Set Level Mode
aXLMnnn!
aOK
aERROR
nnn = the level mode
Three digits are required.
Read Level Mode
aXLM!
annn
nnn = level mode
Set Specific Gravity
aXLGpd.d!
aOK
aERROR
pd.d = specific gravity
p = polarity sign (+ or -)
d = digits (1 to 7)
. = decimal point (optional)
Read Specific Gravity
aXLG!
apd.d
pd.d = specific gravity
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