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1. Serial communications Basics
returned data = Data[0]....Data[3]
value = Data[0]*256
3
+ Data[1]*256
2
+ 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 projector with the computer.
Pin out of the D9 connector:
Pin
Name
Full Name
1
CD
Carrier Detect
2
RxD
Received Data
3
TxD
Transmitted Data
4
DTR
Data Terminal Ready
5
GND
Signal Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
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
7
Содержание RLM series
Страница 1: ...RLM series User Guide RS232 commands R5976884 02 04 04 2006 ...
Страница 14: ...1 Serial communications Basics 12 R5976884 RLM SERIES 04 04 2006 ...
Страница 166: ...3 Advanced Commands 164 R5976884 RLM SERIES 04 04 2006 ...
Страница 170: ...4 RCU commands 168 R5976884 RLM SERIES 04 04 2006 ...