Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual do Utilizador descarregar pdf (Página 27)

Installation

Chapter 2

215

Figure 2.8

Connection

to Allen-Bradley 1771-KG or 1771-KE/KF Module

Connect the Shield at One End Only

RS–232–C

CHANNEL

Connector

of 1775–KA

Module

RS–232–C

CHANNEL

Connector

of 1771–KG

or 1771–KE/KF

Module

Conductors 2 and 7, 3 and 25 must be twisted pairs for distances longer

than 50 feet.

Set switch 3 (on the 1775–KA) OFF when the module is communicating

with another Allen-Bradley device.

10009–I

If you want to connect the 1775–KA module to a 1775–KA module

through the RS– 232–C channel, use the cabling pinout diagram

(Figure 2.9) to construct your own cable.

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 238 239

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Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual do Utilizador Página 27