A-2. DL-302 DCON Command Sets
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A-2. DL-302 DCON Command Sets
Command
Description
$AAF
read firmware version
$AAI
read INIT status
response:
!AA0 -> INIT short to GND
!AA1 -> else
$AAM
read module name
$AAP
Read Modbus RTU/DCON protocol
response:
!AA0 -> DCON
!AA1 -> Modbus RTU
$AAPN
Set Modbus RTU/DCON protocol
N-> 0: DCON, 1: Modbus RTU
$AA2 read
configuration
$AA5 read
reset
status
!AA1 first after power on, !AA0 others
#AA
Read All Analog Inputs
response
>(CO
2
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)
#AAN Read
Channel
Analog
Input
N = 0 for CO
2
in 1 ppm,
1 for relative humidity in 0.01%,
2 for temperature in 0.01°C,
3 for temperature in 0.01°F,
4 for dew point temperature in 0.01°C,
5 for dew point temperature in 0.01°F
%AANNTTCCFF set configuration,
AA: current address,
NN: new address, TT = 00,