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