Maiman Electronics LLC
SF8300
20
23.
Digital control description (extended)
WARNING!
Extended protocol recommend for advanced users only. In addition, it might be use for
integration of the device with other devices.
Use the parameter number 0704h for configure the extended protocol. In extended
protocol, you can enable and disable the next options: checksum (CRC 8-bit CCITT), return a new
value of parameter after P-type commands, change baud-rate, change protocol-mode (text-plain
or binary).
The description of the protocol extension command
Action
R\W
HEX-number of
parameters
Information about
the extended
protocol
0 bit
1 – the device supports
this option
R
0704
1st bit
Checksum (1 – on, 0 – off)
2nd bit
Return a new value for P-
type commands (1 – on, 0
– off)
3-5 bits
Baud - rate
0 – 2400
1 – 9600
2 – 10417
3 – 19200
4 – 57600
5 – 115200 (default)
6th bit
Data exchange mode (1 –
binary, 0 –text-plain)
Configuring of the
extended protocol
On checksum (CS)
0002h
6
W
0704
Off checksum
0004h
6
Return a new value
for P-type commands
0008h
6
Do not return answer
for P-type commands
0010h
6
Set new baud-
rate(baud)
7
0100h – 2400
0120h – 9600
0140h – 10417
0160h – 19200
0180h – 57600
01A0h – 115200
Binary mode on
8
0200h
Text-plain mode on
0400h
6
In binary mode the specified commands are ignored by the device.
7
Here are binary numbers.
8
For more information, see section “binary mode”.