Samsung P63F - 63" Plasma Panel Control Protocol page 5

SEC-VD-DSW External Control - 0008
1.2. Connection Spec.
1) Connection Spec.
- Interactive communications using RS232.
- Of RS232 standards, three signals TxD(No.2), RxD(No.3) and GND(No.5) are used →
Refer to Figure 1
- Limit the distance between devices to less than 4m.
- Currently, out of 9 PIN RS232 terminal, PINS in use are numbers 2, 3 and 5.
- ID should show hexadecimal value of assigned ID, but ID 0 should be 0xFF.
- Every communication will be made in hexadecimals and Checksum is the sum of all
remainings. If it exceeds two digits, for example, it is 11+FF+01+01=112, discard the
number in the first digit like below.
example) Power On & ID=0
Header
0xAA
Header
0xAA
→
- If you want to control every mechanism connected with Serial Cable regardless of its
ID, set ID part to "0xFE" and send commands. At the time, each SET will follow
commands but it will not respond with ACK.
Table 2-1 RS232 Network spec
Bits Rate
Data Bits
Parity
Stop Bits
Flow Control
Command
ID
0x11
Command
0x11
9600 bps
8 bits
None
1 bit
None
Data 1
Data Length
1 Power
Data Length
0xFF
1
Display S/W, VD Business Team, Samsung Electronics
Check
Sum
Data 1
12
1
4