Wieland wienet WR-LTE v3 SL, Руководство пользователя

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5 | Router Design
24
Wieland Electric GmbH | BA001035 (Rev. A) | 08/2016
5.9.2 RS232-RS485/422 interface
These interfaces are physically connected on five-pin and four-pin terminal block connectors. The insula-
tion strength is up to 2.5 kV.
Attention!
Connectors are not isolated from each other!
Version with RS232-RS485/422 interface
Connection of RS232 connector:
Pin Signal Description Direction
1 CTS Clear To Send Output
2 RTS Request To Send Input
3 GND Signal ground* —
4 RXD Receive Data Input
5 TXD Transmit Data Output RS232 connector
*Both connectors (RS232 and RS485/422) have common ground
.
Connection of RS485 connector:
Pin Signal Description Direction
1 TxRx+ RS485 B (+) Input/Output
2 TxRx- RS485 A (-) Input/Output
3 TxRx+ RS485 B (+) Input/Output
4 TxRx- RS485 A (-) Input/Output
Connection of RS422 connector:
Pin Signal Description Direction
1 RxD+ RS422 (+) Output
2 RxD- RS422 (-) Output
3 TxD+ RS422 (+) Input
4 TxD- RS422 (-) Input RS485/422 connector
ATTENTION