Sony fwd-50px1 Manual
3
FWD-50PX1
1. Communication Parameter
Communication system
RS-232C
Synchronous system
Asynchronous communication
Baud rate
9600 bps
Character length
8 bit
Parity
None
Start bit
1 bit
Stop bit
1 bit
Flow control
None
2. Pin Configuration
1
2
3
4
5
Display side (D-sub 9-pin)
_
External view
_
6
7
8
9
1
2
3
4
5
6
7
8
9
Host side (D-sub 9-pin)
_
External view
_
FWD-50PX1
Personal computer
Pin No.
Signal
1
NC
2
RD
3
TD
4
NC
5
GND
6
NC
7
NC
8
NC
9
NC
Pin No.
Signal
1
NC
2
RD
3
TD
4
NC
5
GND
6
NC
7
NC
8
NC
9
NC
3. Communication Data Format
(a) Control (Host
→
Request of Write to Display)
No.
Item
Value
1
Header
0x8C: Control
2
Category
0xXX
3
Function
0xXX
4
Data1 (Length)
0xXX
5
Data2 (Data1)
0xXX
:
:
0xXX
:
:
0xXX
X
DataX
0xXX
X
+
1 Check Sum
0xXX
*
Check Sum: If the value of a sum total of 1 to X exceeds 255 (1 byte), the
data of 1 lower byte is effective.
(b) Enquiry (Host
→
Request of Read to Display)
No.
Item
Value
1
Header
0x83: Enquiry
2
Category
0xXX
3
Function
0xXX
4
Data1
0xFF
5
Data2
0xFF
6
Check Sum
0xXX
*
Check Sum: If the value of a sum total of 1 to 5 exceeds 255 (1 byte), the
data of 1 lower byte is effective.