Maiman Electronics
SF6100
13
18.
Digital control description
When the input voltage applied the driver is always in “analogue current set, external enable and
allowing interlock” state. Any other state should be set any time after powering the driver if needed.
Default serial port settings:
Baud rate
Data bits
Stop bits
Parity
Flow control
115200
8
1
none
none
Data exchange between the driver and the PC is only initiated by the PC. All commands are
sent in plain text format. All commands are sent with prefix. Number of command follows the
prefix without any symbols. If there is the value after the command they separates with “space”
symbol. The command ends with “carriage return” symbol.
The format of the command to set the value (P-type);
Number of
byte
Value
Comment
1
P (50h)
Set prefix
2-5
Number of the parameter
Hex-number of the parameter. For
example, 0100h
6
‘space’ symbol (20h)
7-10
New value of the parameter
Hex-value of the parameter. For example,
0000h
11
‘return carriage’ symbol<CR> (0Dh)
End of the command
The device does not respond to P-type commands by default. (see section “the protocol
extension”)
You can request the value of parameter by the J-type command. The device will return a
value of requested parameter.
The format of the command to get the value (J-type)
Number of
byte
Value
Comment
1
J (4Ah)
Request prefix
2-5
Number of the parameter
Hex-number of the parameter. For
example, 0100h
6
‘return carriage’ symbol<CR> (0Dh)
End of the command
The format of the response
Number of
byte
Value
Comment
1
K (4Bh)
Response prefix
2-5
Number of the parameter
Hex-number of the requested parameter
6
‘space’ symbol (20h)
7-10
Returned value of the parameter
Hex-value of the parameter
11
‘return carriage’ symbol<CR> (0Dh)
End of the command
