Table of Contents
Advertisement
returned data = Data[0]....Data[3]
value = Data[0]*256
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 projector with the computer.
Pin out of the D9 connector:
Pin
1
2
3
4
5
6
7
8
9
•
Standard serial Cable
-
order number R9827560 (cable length = 15m )
-
order number R9827570 (cable length = 30m )
R5976884 RLM SERIES 04/04/2006
+ Data[1]*256
2
+ Data[2]*256 + Data[3].
Name
CD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
1. Serial communications Basics
Full Name
Carrier Detect
Received Data
Transmitted Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
7
Advertisement
Table of Contents
