Pioneer pdp-425cmx Manuale Utente

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1) Connector

D-sub 9 pins (male/straight)

2) Pin layout

3) Baud Rate

9600 bps (standard)
(switch-able to 1200, 2400, 4800, 19200, 38400 bps)

The baud rate of this display should be set to match the baud rate of the PC.
Also, when the RS-232C cable is extended over a long distance, use a slower baud rate.

4) Data format

Start bit: 1 bit
Data bit: 8 bit
Parity:

no

Stop bit: 1 bit

5) Connection

6) Protocol

From the PC to the display

Straight Cable

* D-sub 9-pin/D-sub 25-pin conversion tables are now  available on the market.

Control PC

Plasma Display

Control PC

Plasma Display

(with D25 serial port )

(PDP-425CMX/PDP-42MXE10)

(with D9 serial port)

(PDP-425CMX/PDP-42MXE10)

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

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) Sending one command at a time:

STX (02 hex)

ID (2 Byte)

COMMAND (3 Byte or 6 Byte)

ETX (03 hex)

(2) Sending numerical direct commands:

STX (02 hex)

ID (2 Byte)

COMMAND (3 Byte)

ARGUMENT (3 Byte)

ETX (03 hex)

ID, COMMAND, ARGUMENT are transmitted as ASCII characters.

From the display to a PC
(1) Echo back (Normal response)
Command received and returned but the ID is not returned.

STX (02 hex)

COMMAND (3 Byte or 6 Byte)

ETX (03 hex)

Received command is a numerical direct effect command and numerical data is returned:

STX (02 hex)

COMMAND (3 Byte)

ARGUMENT (3 Byte)

ETX (03 hex)

(2) Error (Abnormal response)
Received command is a non-corresponding command, ‘ERR’ is returned:

STX (02 hex)

ERR (3 Byte)

ETX (03 hex)

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)