H31 - RS232 Command List
Interface
Hardware : 3 wires RS-232C
Baud Rate: 9600
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control: None
Command Sequence
Write
Header:
Address Code:
Command Code:
Data:
Terminator Code:
Command Sequence
Read
Header
Address Code
Command Code
Data
Terminator Code
Acknowledgement
Basic Protocol
Receive OK
Invalid Command
Transmit OK
Data response
Basic Protocol
'*'
'0' fixed
ASCII Text
Fixed 3 digits
Carriage Return
Basic Protocol
'*'
'0' fixed
ASCII Text
'?' fixed
Carriage Return
Return Status
Receive OK
Invalid Command
Transmit Ok
As Write Command