Pioneer 504CMX - PDP - 50" Plasma Panel Command Reference Manual - Page 4

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Pioneer 504CMX - PDP - 50
5.5.2 Interface
1) Connector
D-sub 9 pins (male)
2) Pin layout
Pin No.
Signal
1
NC (not connected)
2
TxD (Transmit Data)
3
RxD (Receive Data)
4
NC (not connected)
5
GND
3) Baud Rate
9600 bps (standard)
(switch-able to 1200, 2400, 4800, 19200, 38400 bps)
Note
The baud rate of this display should be set to match the baud rate of the PC.
Also, when the RS-232C cable is to be extended over a long distance, a slower baud rate is recommended.
4) Data format
Start: 1 bit
Data: 8 bit
Parity: 0 (no parity)
Stop: 1 bit
5) Connection
Control PC
(with D25 serial port )
2
RXD 3
3
TXD 2
2
CTS 5
GND 7
* D-sub 9-pin/D-sub 25-pin conversion tables are now available on the market.
6) Protocol
From the computer to the display
(1) When sending one command at a time:
STX (02 hex)
ID (2 Byte)
(2) When numerical direct commands are possible:
STX (02 hex)
ID (2 Byte)
COMMAND: 3 Byte (ASCII)
ARGUMERNT: 3 Byte (ASCII)
(3) Echo back
STX (02 hex)
COMMAND (3 Byte or 6 Byte)
When the received command is a numerical direct effect command, numerical data is returned.
STX (02 hex)
COMMAND (3 Byte)
When the received command is non-corresponding command, 'ERR' is returned.
STX (02 hex)
When it is determined that the received command cannot be processed (when PON is received when the power
is already ON, etc.), 'XXX' is returned.
STX (02 hex)
Pin No.
6
NC (not connected)
7
NC (not connected)
8
RTS (Request To Send)
9
NC (not connected)
Plasma Display
(PDP-504CMX/50MXE1/50MXE1-S)
2 TXD
3 RXD
8 RTS
5 GND
COMMAND (3 Byte or 6 Byte)
COMMAND (3 Byte)
ARGUMENT (3 Byte)
ERR (3 Byte)
ETX (03 hex)
XXX (3 Byte)
ETX (03 hex)
RS-232C Adjustment Mode
Signal
Control PC
(with D9 serial port)
RXD 2
TXD 3
CTS 8
GND 5
ETX (03 hex)
ARGUMENT (3 Byte)
ETX (03 hex)
ETX (03 hex)
ETX (03 hex)
1
5
6
9
Plasma Display
(PDP-504CMX/50MXE1/50MXE1-S)
2
2 TXD
3
3 RXD
2
8 RTS
5 GND
Straight Cable
2