beautypg.com

Rs-485 cable wiring, Rs-485 cable wiring -5, Connection cable and cable wiring – Moxa Technologies CP-114 Series User Manual

Page 45

background image

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