Barco RS232 Instrukcja Użytkownika Pobierz pdf (Strona 9)

1. Serial communications Basics

returned data = Data[0]....Data[3]

value = Data[0]*256

+ Data[1]*256

+ Data[2]*256 + Data[3].

1.3 Communication settings

Baud rate

Defines the speed of the data transfer. The baud rate can be set using the menu structure.

Consult the Owner’s manual of the projector on how to change the baud rate setting.

Data Bits

Eight data bits are used for each character of the data transfer.

Parity

There is no parity bit used to perform error checking.

Stop Bits

One stop bit is used to define the end of a character.

1.4 Hardware

Overview

• Female D9–pin connector labelled “RS232 IN” used to connect the projecto

r with the computer.

Pin out of the D9 connector:

Pin Name Full Name

CD Carrier Detect

2 RxD Received Data

3 TxD Transmitted Data

4 DTR Data Terminal Ready

GND Signal Ground

DSR Data Set Ready

RTS Request To Send

CTS Clear To Send

9 RI Ring Indicator

• Standard serial Cable

- order number R9827560 (cable length = 15m )

- order number R9827570 (cable length = 30m )

R5976884 RLM SERIES 04/04/2006

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Barco RS232 Instrukcja Użytkownika Strona 9