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H31 - RS232 Command List
Interfac
e
Hardware : 3 wires RS-232C
Baud Rate: 9600
Data Bits: 8
Parit
y
: Non
e
Sto
p
Bits: 1
Flow Control: Non
e
Command Sequenc
e
Writ
e
Basic Protoco
l
Header: ‘*’
Address Code: ‘0’ fixe
d
Command Code: ASCII Tex
t
Data: Fixed 3 di
g
its
Terminator Code
:
Carria
g
e Retur
n
Command Sequenc
e
Rea
d
Basic Protoco
l
Heade
r
‘*’
Address Cod
e
‘0’ fixe
d
Command Cod
e
ASCII Tex
t
Data ‘?’ fixe
d
Terminator Cod
e
Carria
g
e Retur
n
Acknowledgemen
t
Basic Protoco
l
Return Status
Receive O
K
Receive O
K
Invalid Comman
d
Invalid Comman
d
Transmit O
K
Transmit O
k
Data res
p
ons
e
As Write Command