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ManualsBrandsEXSYS Manualscomputer componentsPCMCIA with 1S Serial RS-422/485 port, S & I

Seriell RS-422/485 PCMCIA Karte

Inhaltsverzeichnis

1. Beschreibung ························································································· 3

2. Paketinhalt ····························································································· 3

3. Layout und Anschlüsse ·········································································· 4

3.1 RS-422/485 mit 1 x DB 9 Pin Anschluss (EX-1361 und EX-1361IS) ·························· 4

3.2 RS-422/485 mit 1 x DB 9 Pin Anschluss (EX-1362 und EX-1362IS) ·························· 4

3.3 UART Imput Clock Speed Selector ············································································ 5

3.4 RS-422/485 Mode Einstellung ···················································································· 5

3.5 Einstellung Abschlusswiderstand ··············································································· 6

3.6 S1 / S2 Anschlussbelegung ························································································ 7

4. Hardware Installation ············································································· 7

5. Treiber Installation ·················································································· 8

5.1 Windows 98 / ME / 2000 / XP und 2003 Server ························································· 8

5.2 Windows NT 4.0 ········································································································ 8

6. Einstellung 2 Draht RS-485 (Half Duplex Mode) ···································· 8

6.1 Windows 2000, XP und 2003 Server ········································································· 9

6.2 Windows 98 und ME ································································································· 9

7. Einstellung für hohe Baudrate bis 921‘6KBaud ···································· 10

7.1 Windows 2000, XP und 2003 Server ······································································· 10

7.2 Windows 98 und ME ······························································································· 10

8. Verdrahtungsübersicht ········································································· 11

8.1 RS-485 (Transmitter wird automatisch von ATTA

Hardware kontrolliert) ··············· 11

8.2 RS-422 (Transmitter Buffer ist immer eingeschaltet) ··············································· 11

Seriell RS-422/485 PCMCIA Karte

8. Verdrahtungsübersicht

Die RS-422/485 PCMCIA Karte unterstützt optional den Mode “Auto Echo”. Dies wird

eingeschaltet wenn Daten zum RS-485 Transmitter gesendet werden. Die selben Da-

ten werden gleichzeitig an den Receiver zurückgesendet. Die Applikationssoftware

kann diese Daten übernehmen um zu überprüfen ob der RS-485 Bus zur Zeit belegt ist.

Wenn nötig kann er dann die Daten nochmals senden.

8.1 RS-485 (Transmitter wird automatisch von ATTA

Hardware

kontrolliert)

TXD+(485)

TXD-(485)

RS-422/485 PCMCIA Karte

Data+(485)

Data-(485)

2-Draht Twisted Pair Kabel

RS-485 Geräte

8.2 RS-422 (Transmitter Buffer ist immer eingeschaltet)

TXD+

TXD-

RXD+(485)

RXD-(485)

TX+

TX-

RX+

RX-

RS-422 Geräte

Die RS-422/485 PCMCIA Karte unterstützt 4 Draht RS-422 Mode. In diesem Mode wer-

den die Daten unabhängig gesendet und empfangen. Für diese Übertragung brauchen

Sie ein Twisted Pair Kabel das gekreuzt ist. Die Modelle mit 9 Pin Anschlüssen 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 PCMCIA Karte

TXD+

TXD-

RXD+

RXD-

RTS+

RTS-

CTS+

CTS-

RS-422 Geräte

TXD+

TXD-

RXD+

RXD-

RTS+

RTS-

CTS+

CTS-

4-Draht Twisted Pair Kabel

RS-422/485 PCMCIA Karte