Sehan Electools SCOUT II, Manual

Page: 32 / 36

- 31 -
11.1 Protocol
11.1.1 Protocol frame
- Baud rate : 19200 BPS
- Data bit
: 8bit
- Parity : None
- Stop Bits : 1
11.1.2 Communication control letter
11.1.3 Command
The command for data request and response are same, but distinguished by the
capital letter for request, the small letter for response.
Check sum range
STX CMD Data BCC ETX
1byte 1byte 0 ~ n byte 1byte 1byte
Parity check range
Name Word Description
Packet start STX It means Packet start at the first of the message.
Packet finish ETX It means Packet end at the last of the message.
OK response ACK OK response on the message receipt
NOK response NAK NOK response on the message receipt
Packet end ETB
It means the packet end of the first message of two
blocks of long message
no Description Command Direction
1 Save the parameter S
(capital)
PC SCOUT II
2 monitoring Data output m
(small)
SCOUT II PC