Sony FWD-50PX3 - Handbuch (Seite 3)

1
FWD-50PX3
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
1 2 3 4 5
Monitor 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 _
Pin No. Function
1 NC
2 TXD
3 RXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Pin No. Function
1 NC
2 RXD
3 TXD
4 NC
5 GND
6 NC
7 NC
8 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).