Sony KLH-W32 - Manual (Page 5)

1
FWD-40LX2F/40LX2X/32LX2F/32LX2X
KLH-W32/W26
1. Communication Parameters
Communication Method RS-232C
Synchronous Method Asynchronous
Baud Rate 9600 bps
Character Length 8bit
Parity None
Start Bit Length 1bit
Stop Bit Length 1bit
Flow Control None
2. Pin Assignment
The control command is not acceptable for 3 seconds after
the power is turned on from the standby state and for 5
seconds after the power is turned on when AC is set to ON
from OFF state. Send the command after waiting each
required time. In the case when the power is turned on
from the standby state, the starting up by using the timer
(KLH-W26/W32 does not have this function), the power
key of main unit or the remote commander is included as
well as the command from RS-232C.
1 2 3 4 5
Monitor side : D-sub
_ External view _
6 7 8 9
1 2 3 4 5
6 7 8 9
Host side : D-sub 9pin
_ External view _
FWD-40LX2F/40LX2X
FWD-32LX2F/32LX2X Personal computer
Pin No. Signal
1 NC
2 RXD
3 TXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Pin No. Signal
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 Data (X-3) 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 5. Lower one-byte data is validated when a
value exceeds 255 (1byte).