AC&T System ETOS-XP Series, Руководство пользователя

Страница: 29 / 32

- 29 -
터미널블럭 커넥터
3.4.2. RS-422 port Specifications and Wiring
The following table shows each pin name, function, and data direction of the terminal block
(10p) for RS-422/RS-485 serial port of the ETOS-XP.
[Specification of RS-422 port]
Pin No. Name Signal Direction Function Description
1 TXD+

RS-422 Transmit Data(+)
2 TXD-

RS-422 Transmit Data(-)
3 RXD+  RS-422 Receive Data(+)
4 RXD-

RS-422 Receive Data(-)
5 SG1 - Signal Ground1
6 TXD+  RS-422 Transmit Data(+)
7 TXD-

RS-422 Transmit Data(-)
8 RXD+

RS-422 Receive Data(+)
9 RXD-

RS-422 Receive Data(-)
10 SG2 - Signal Ground2
The following figure shows the RS-422 connection method between ETOS-XP and external device.
2 (TXD-)
3 (RXD+)
4 (RXD-)
6 (TXD+)
8 (RXD+)
9 (RXD-)
7 (TXD-)
5 (SG1)
10 (SG2)
(TXD+)
(TXD-)
(RXD+)
(RXD-)
(TXD+)
(TXD-)
(RXD+)
(RXD-)
1 (TXD+)
ETOS-XP
[ RS-422 Connection Diagram ]