Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario Pagina 27

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Installation
Chapter 2
215
Figure 2.8
Connection
to Allen-Bradley 1771-KG or 1771-KE/KF Module
1
2
7
3
25
4
5
6
8
20
1
3
13
2
14
4
5
6
8
11
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
1
2
1
2
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.
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