Moxa Technologies INTELLIO C218 Uživatelský manuál stáhnout pdf (Strana 18)

2-6 Intellio C218Turbo User's Manual

RS-422/485 Port Switch of Opt8J

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DIP

ONDIP

RS-422 Mode

Set the respective switch to OFF position to use RS-422 interface. This means the

port is always ready to transmit and receive data simultaneously (full-duplex).

RS-485 Mode

The Opt8J supports only 2-wire RS-485 communication. Set the respective switch to

ON position to use RS-485 interface. This means the port can transmit data only

when RTS is asserted, and receive data only when RTS is not asserted (half-duplex).

Refer to Chapter “Connection Option (Opt8x) and Cable Wiring” for RS-422/RS-

485 cable wiring. And also to Chapter “Serial Programming Tools” for Opt8J RS-

485 programming details.

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Moxa Technologies INTELLIO C218 Uživatelský manuál Strana 18