Samsung SDP-950STA, Reference Manual

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RS232C PC-side FlowChart
2
RS232C Cable Connection
SDP-side PC-side
2
3
5 2
3
5
Send 6-byte to MICOM
[start_code(0xB0)+command code
(4-byte)+stop_code(0xBF)]
Receive 6-byte from MICOM
(1st Rx data==0xB0)
&(6th Rx data==0xBF)
(2nd Rx data==0x80)
Basic Flow
End
Application Flow
Send Message State Check Command
[0xB0 0x64 0x00 0x00 0x00 0xBF]
Receive 6-byte from MICOM
(2nd Rx data == 0x80)
Send User (AWC, etc) Command
- BaudRate: 9600bps
- Parity Bit: No Parity
- Stop Bit Length: 1-bit
- Character Length: 8-bit
- Start Code: 0xB0
- Stop Code: 0xBF
- Command Code: 4-byte
(Note1 2nd Rx data == 0x80)
What the 2nd-Rx-data ("ACK data") is not 0x80
means that the system is doing other operation.
(Check up page 6)
With the command "Message-Status", you can
check up current status of the system and send
the user command. (AWC, etc)