2
Seriell RS-422/485 PCI Karte
Inhaltsverzeichnis
1. Beschreibung ························································································· 3
2. Paketinhalt ····························································································· 3
3. Layout und Anschlüsse ·········································································· 4
3.1 RS-422/485 mit 2 x DB 9 Pin Anschlüsse (EX-42052-9 und EX-42052-9IS) ·············· 4
3.1.1 JP5: UART Input Clock Speed Selector ····························································· 4
3.1.2 JP1: RS-422/485 Mode Einstellungen ································································ 5
3.1.3 S1 und S2 Anschlussbelegung ··········································································· 6
3.1.4 Einstellung Abschlusswiderstands für S1 und S2 ··············································· 6
3.2 RS-422/485 mit 2 x Terminal Block Anschlüsse (EX-42052-T und EX-42052-TIS) ···· 7
3.2.1 JP5: UART Input Clock Speed Selector ····························································· 7
3.2.2 JP1: RS-422/485 Mode Einstellungen ································································ 8
3.2.3 S1 und S2 Anschlussbelegung ··········································································· 9
3.2.4 Einstellung Abschlusswiderstands für S1 und S2 ··············································· 9
4. Hardware Installation ··········································································· 10
5. Treiber Installation ················································································ 10
5.1 Windows 98 / ME / 2000 / XP/ Vista und 2003 Server ·············································· 11
5.2 Windows NT 4.0 ······································································································ 11
6. Einstellung 2 Draht RS-485 (Half Duplex Mode) ·································· 11
6.1 Windows 2000, XP und 2003 Server ······································································· 12
6.2 Windows 98 und ME ······························································································· 12
7. Automatische Erkennung des Quarzes ················································ 13
7.1 Windows 2000, XP und 2003 Server ······································································· 13
7.2 Windows 98 und ME ······························································································· 13
8. Verdrahtungsübersicht ········································································· 14
8.1 RS-485 (Transmitter wird automatisch von ATTA
TM
Hardware kontrolliert) ··············· 14
8.2 RS-422 (Transmitter Buffer ist immer eingeschaltet) ··············································· 15
15
Seriell RS-422/485 PCI Karte
8.2 RS-422 (Transmitter Buffer ist immer eingeschaltet)
TXD+
TXD-
RXD+(485)
RXD-(485)
TX+
TX-
RX+
RX-
4-Draht Twisted Pair Kabel
RS-422/485 PCI Karte
RS-422 Geräte
Die RS-422/485 PCI Karte unterstützt 4 Draht RS-422 Mode. In diesem Mode wer-
den die Daten unabhängig gesendet und empfangen. Für diese Übertragung brau-
chen Sie ein Twisted Pair Kabel das gekreuzt ist. Die Modelle mit 9 Pin Anschlüs-
sen haben sie auch die Möglichkeit für zwei Handshaking Signale RTS+/RTS– und
CTS+/CTS– für „Hardware Flow Control“. Für Anwendung sehen sie die folgende
Verkablung.
RS-422/485 PCI Karte
TXD+
TXD-
RXD+
RXD-
RTS+
RTS-
CTS+
CTS-
RS-422 Geräte
TXD+
TXD-
RXD+
RXD-
RTS+
RTS-
CTS+
CTS-
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(2 stránky)
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