Moxa-technologies CP-114 Series Manuel d'utilisateur télécharger pdf (Page 45)

Connection Cable and Cable Wiring

Industio CP-114 User's Manual 5-5

RS-485 Cable Wiring

The RS-485 standard is an enhanced version of the RS-422 balanced line standard. It allows multiple

drivers and receivers in a multidrop systems. As many as 32 drivers and 32 receivers can be put on

any multidrop system.

The Industio CP-114 Series supports only 2-wire half-duplex RS-485 communication. Data+/-

pins are served for both data transmitting and receiving, depending on the RTS signal.

RS-485 pin outs for the Industio CP-114 Series:

CP-114

1 Data-(A)

2 Data+(B)

5 GND

Multidrop RS-485 Half-duplex

CP-114 RS-485 Device 1

Master Slave

2 Data+ Data+

1 Data- Data-

5 GND GND

RS-485 Device N

Slave

Data+

Data-

GND

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

RS-485 programming details.

1 Data-(A)

2 Data+(B)

5 GND

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 54 55

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Moxa-technologies CP-114 Series Manuel d'utilisateur Page 45