3
RS-232C Adjustment Mode
1
.2 Interface
1) Connector
D-sub 9 pins (male)
2) Pin layout
3) Baud Rate
9600 bps (standard)
(switch-able to 1200, 2400, 4800, 19200, 38400 bps)
Note
The panel's baud rate should be set to match the computer's baud rate.
Also, when extending the RS-232C cable over a long distance, lower the baud rate.
4) Data format
Start: 1 bit
Data: 8 bit
Parity: 0 (no parity)
Stop: 1 bit
5) Connection
6) Protocol
From the computer to the display
Straight Cable
* D-sub 9-pin/D-sub 25-pin conversion tables are now available on the market.
2
2
3
2
3
2
RXD 3
2 TXD
RXD 2
2 TXD
TXD 2
3 RXD
TXD 3
3 RXD
CTS 5
8 RTS
CTS 8
8 RTS
GND 7
5 GND
GND 5
5 GND
5
9
6
1
Pin No.
Signal
1
NC (not connected)
2
TxD (Transmit Data)
3
RxD (Receive Data)
4
NC (not connected)
5
GND
Pin No.
Signal
6
NC (not connected)
7
NC (not connected)
8
RTS (Request To Send)
9
NC (not connected)
(1) When sending one command at a time:
STX (02 hex)
ID (2 Byte)
COMMAND (3 Byte or 6 Byte)
ETX (03 hex)
(2) When numerical direct commands are possible:
STX (02 hex)
ID (2 Byte)
COMMAND (3 Byte)
ARGUMENT (3 Byte)
ETX (03 hex)
COMMAND: 3 Byte (ASCII)
ARGUMERNT: 3 Byte (ASCII)
(3) Echo back
STX (02 hex)
COMMAND (3 Byte or 6 Byte)
ETX (03 hex)
When the received command is a numerical direct effect command, numerical data is returned.
STX (02 hex)
COMMAND (3 Byte)
ARGUMENT (3 Byte)
ETX (03 hex)
When the received command is
invalid
, ‘ERR’ is returned.
STX (02 hex)
ERR (3 Byte)
ETX (03 hex)
When the received command cannot be processed (when PON is received
,
when the power
is already ON, etc.), ‘XXX’ is returned.
STX (02 hex)
XXX (3 Byte)
ETX (03 hex)
Control PC
(with D25 serial port )
Plasma Display
(PDP-505CMX/50MXE10/50MXE11)
(PDP-504CMX/50MXE1/50MXE1-S)
(PDP-434CMX/43MXE1/43MXE1-S)
Control PC
(with D9 serial port)
(with D9 serial port)
Plasma Display
(PDP-505CMX/50MXE10/50MXE11)
(PDP-504CMX/50MXE1/50MXE1-S)
(PDP-434CMX/43MXE1/43MXE1-S)
