Справочник Пользователя для ICP DAS USA 7000
7000 Bus Converter User Manual (version 1.2,Feb/2003, 7PH-006-10) --------------- 20
2.5 PCI-7520AR Pin Assignment and Specification:
CON2: RS-485/422 DB9 Male Connector
Terminal
2-wire RS-485
4-wire RS-422
1
2
2
DATA+
TX+
3 Not
Connect
4
5
5
Not Connect
RX+
6
7
7
DATA-
TX-
8
9
9
Not Connect
RX-
The PCI-7520AR is exactly the same as 7520AR except for the PCI
interface. It is designed for easy installation.
interface. It is designed for easy installation.
RXD
TXD
GND
CN1
DB9M FEMALE
1
6
2
7
3
8
4
9
5
6
2
7
3
8
4
9
5
TX-
TX-
TX+
TX+
RX+
RX+
RX-
RX-
D-
D-
D+
D+
CN2
DB9S MALE
5
9
4
8
3
7
2
6
1
9
4
8
3
7
2
6
1
CN2
DB9S MALE
5
9
4
8
3
7
2
6
1
9
4
8
3
7
2
6
1
RS-485 ( D+, D- )
RS-422 ( RX+, RX-, TX+, TX- )