Pioneer PDP 502MX Podręcznik - Strona 3

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Pioneer PDP 502MX Podręcznik
5.5.2 Interface
1) Connector
D-sub 9 pins
2) Pin Assignment
Pin No.
Signal
1
NC (not connected)
2
TXD (Transmit Data)
3
RXD (Receive Data)
4
NC (not connected)
5
GND
6
NC (not connected)
7
NC (not connected)
8
RTS (Return To Send)
9
NC (not connected)
3) Baud Rate
4800 bps (standard)
(switch-able to 1200, 2400, 9600, 19200 bps)
(NOTE) Set the baud rate to match that of the computer presently in use. Moreover, in the case that the RS-232C
cable is very long, we recommend that you make the baud rate lower.
4) Data Format
Start: 1-bit
Data: 8-bit
Parity: 0 (no parity)
Stop: 1-bit
5) Connection
Control PC (PC-98)
RXD 3
TXD 2
CTS 5
GND 7
* D-sub 9-pin/D-sub 25-pin conversion tables are now available
on the market.
6) Protocol
From computer to plasma display
(1) When transmitting commands individually
STX (02 hex)
ID (2 Byte)
(2) When transmitting commands in batches (up to max. 3 commands) ....
STX (02 hex)
ID (2 Byte)
(3) When transmitting direct numeric commands
STX (02 hex)
ID (2 Byte)
(NOTE) • Transmit <PON> and <POF> commands
one by one. (Allow an interval of three or
more seconds between commands.)
• Transmit an input switching command (IN
1-4) and <AJY> command, allowing
sufficient time between them.
• Allow an interval of approximately three or
more seconds between input switching
commands (IN 1-4).

PLASMA DISPLAY

(PDP-502MX)
2
2 TXD
3
3 RXD
2
8 RTS
5 GND
COMMAND (3 Byte)
COMMAND (3 Byte)
COMMAND (3 Byte)
RS-232C Adjustment Mode
Control PC (IBM PC/AT)
RXD 2
TXD 3
CTS 8
GND 5
Straight Cable
ETX (03 hex)
COMMAND 3 Byte (ASCII)
ARGUMENT 3 Byte (ASCII)
(NOTE)
COMMAND (3 Byte)
COMMAND (3 Byte)
ARGUMENT (3 Byte)
ETX (03 hex)
Error Example 1)
STX
ID
Error Example 2)
STX
ID
Error Example 3)
STX
ID
1
5
6
9
PLASMA DISPLAY
(PDP-502MX)
2
2 TXD
3
3 RXD
2
8 RTS
5 GND
ETX (03 hex)
<PON>
<AJY>
<CNT>
<POF>
<PON>
ETX
<IN2>
<AJY>
<CNT>
ETX
ETX
115