A-4. CL-204-E DCON Command Sets
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A-4. CL-204-E 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
>(HCHO in 1 ppb) (TVOC in 1 ppb) (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 HCHO in 1 ppb, 1 for TVOC in 1 ppb, 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
%AANNTTCCFF
set configuration, NN: new address, TT = 00, CC: new baud rate
FF: data format
@AABA
Read beep on alarm time
response
!AAHH, HH in hex, 0: disabled, 1 ~ 250: beep on alarm
time in seconds, 251: beep on alarm continuously
@AABAHH
Set beep on alarm time
HH in hex, 0: disabled, 1 ~ 250: beep on alarm time in seconds,
251: beep on alarm continuously
