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A-3. DL-303 DCON Command Sets
Command
$AAF
$AAI
$AAM
$AAP
$AAPN
$AA2
$AA5
#AA
#AAN
%AANNTTCCFF sets configuration,
A-3. DL-303 DCON Command Sets
Description
reads firmware version
reads INIT status
response:
!AA0 -> INIT short to GND
!AA1 -> else
reads module name
read Modbus RTU/DCON protocol
response:
!AA0 -> DCON
!AA1 -> Modbus RTU
sets Modbus RTU/DCON protocol
N-> 0: DCON, 1: Modbus RTU
reads configuration
reads reset status
!AA1 first after power on, !AA0 others
reads All Analog Inputs
response
>(CO in 1 ppm) (CO2 in 1 ppm) (relative humidity in
0.01%)(temperature in 0.01°C)(temperature in 0.01°F) (dew
point temperature in 0.01°C)(dew point temperature in
0.01°F)
reads Channel Analog Input
N = 0 for CO in 1 ppm,
1 for CO2 in 1 ppm,
2 for relative humidity in 0.01%,
3 for temperature in 0.01°C,
4 for temperature in 0.01°F,
5 for dew point temperature in 0.01°C,
6 for dew point temperature in 0.01°F
AA: current address,
NN: new address,
TT = 00,
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