Moxa Technologies C168P Manuel d'utilisateur télécharger pdf (Page 76)

Multidrop 2-wire RS-485 (half-duplex)

CP-134U RS-485 Device 1

Master Slave

3 Data+ Data+

4 Data- Data-

5 GND GND

RS-485 Device N

Slave

Data+

Data-

GND

Multidrop 4-wire RS-485 (full-duplex)

CP-134U RS-485 Device 1

Master Slave

2 TxD+(B) RxD+(B)

1 TxD-(A) RxD-(A)

3 RxD+(B) TxD+(B)

4 RxD-(A) TxD-(A)

5 GND GND

RS-485 Device N

Slave

RxD+(B)

RxD-(A)

TxD+(B)

TxD-(A)

GND

See the section “RS-485 Programming” in the “Serial Programming Tools” chapter for

more details on RS-485 programming.

Industio CP-134U Series User’s Manual

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Moxa Technologies C168P Manuel d'utilisateur Page 76