RS-232C-tilslutning og kontrol

Anden

Tilslutning af projektoren til en pc

Du kan tilslutte projektoren til en pc med RS-232C- kablet (krydset, hun) for at styre projektoren.

■	Tilslut eller frakobl ikke RS-232C-kablet, mens der er
	tændt for computeren eller projektoren. Dette kan
	medføre alvorlig beskadigelse af computeren eller
	projektoren.
■	Hvis pc’en ikke er konfigureret korrekt, fungerer RS-
	232C-forbindelsen muligvis ikke korrekt. Se
	dokumentationen til computeren for flere
	oplysninger.

Kommunikationsformat (følger RS232C-standarden)

■Overførselshastighed: 115.200 bps

■Paritetsbit: Ingen

■Datalængde: 8 databit, 1 stopbit

Transmissionsekvens og dataformat

information

RS-232C-tilslutning og kontrol

Transmissionsekvens

Argument 1 → Argument 2 → -----

Argument N, Kommando, Svar

Struktur for variabler (8 bytes)

0x08 0x11 N

N : Variablens nummer (hexadecimal)

PN : Variablers værdi

(implementeret i 4 bytes - hexadecimal)

CS : Checksum

(Boolesk udfyldning af summen af alle bytes med undtagelse af CS)

Kommandostruktur (4 bytes)

CN 0x12 CC CS

CN : Kommando + antal variabler (hexadecimal)

CC: Kommando - hexadecimal (se kommandotabellen)

CS : Checksum

(Boolesk udfyldning af summen af alle bytes med undtagelse af CS)

Svardatastruktur (3 bytes)

- Bekræfter korrekt dataoverførsel

CN 0x12 CC CS

-Intet svar for kommunikationsfejl eller ugyldige kommandoer

■Send følgende kontrolkommando for at overføre en eller flere kontrolkommandoer, hvis der var et tilfredsstillende svar for den forrige overførsel, eller hvis der ikke var svar i mere end tre sekunder.

■Ved styring af projektoren med en computer, kan du ikke kontrollere projektorens statusændring med computeren, og det vises ikke på projektorens skærm. Overfør kommandoen INFORMATION for at vise de aktuelle informationer på projektorens skærm.

■Alle kontrolkommandoerne gælder for indgangskilden og ved visning af projektorens aktuelle status.

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