Sony FWD-50PX3 manual Communication Parameters, Pin Assignment, Communication Data Format

1. Communication Parameters

Communication method	RS-232C
Synchronous method	Asynchronous
Baud rate	9600bps
Character length	8bit
Parity	None
Start bit length	1bit
Stop bit length	1bit
Flow control	None

2. Pin Assignment

Monitor side (D-sub 9-pin)					Host side (D-sub 9-pin)
5	4	3	2	1	5	4	3	2	1
	9	8	7	6		9	8	7	6
_ External view _					_ External view _
Pin No.			Function		Pin No.			Function
	1			NC		1			NC
	2			TXD		2			RXD
	3		RXD			3			TXD
	4			NC		4			NC
	5		GND			5		GND
	6			NC		6			NC
	7			NC		7			NC
	8			NC		8			NC
	9			NC		9			NC

3. Communication Data Format

(a) Control message

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: Sum total of 1 to X. Lower one-byte data is validated when a value exceeds 255 (1byte).

*Set the command interval to 500 ms or more when transmitting the Control command continuously.

*Set the command interval to 500 ms or more when transmitting the same command (Enquiry) after the Control command.

(b) Enquiry message

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: Sum total of 1 to X. Lower one-byte data is validated when a value exceeds 255 (1byte).

FWD-50PX3 1