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Controlnet connection – Rockwell Automation 1785-L20C_L40C, D17856.5.14 ControlNet PLC-5 Programmable Controllers User Manual User Manual

Page 25

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Chapter 1

Installing Your ControlNet PLCĆ5 Processor

1-17

ControlNet Connection

You can connect programming devices to a ControlNet network through:

the ControlNet network access cable (1786-CP)
a tap on a ControlNet network

PLCĆ5/40C

(or Ć5/20C)

Processor

PLCĆ5/40C

(or Ć5/20C)

Processor

PLCĆ5/40C

(or Ć5/20C)

Processor

PLCĆ5/40C

(or Ć5/20C)

Processor

BATT

CH 0

Programming Terminal

1786ĆCP

1770ĆKFC

Programming Terminal

BATT

CH 0

BATT

CH 0

Programming Terminal

BATT

CH 0

1770ĆKFC

1786ĆCP

Programming Terminal

BATT

CH 0

ControlNet Network

ControlNet Network

ControlNet Network

ControlNet Network

Shown with redundant media

The network access cable (1786ĆCP) can be plugged into any ControlNet product's NAP to provide programming capability on the ControlNet network.

A programming terminal connected through this cable is counted as a node and must have a unique address.

1784ĆKTC or

ĆKTCx

1784ĆKTCx

Serial

Connection

Serial Connection

Using 1784ĆKTCx communication card on coax media

Using 1784ĆKTC or ĆKTCx communication card and NAP

Using 1770ĆKFC communication interface on coax media

Using 1770ĆKFC communication interface and NAP

ATTENTION: Use the 1786-CP cable when connecting a
programming terminal to the network through a NAP. Using
a commercially available RJ-style cable could result in
network failure.

ATTENTION: Do not connect the same

communication card to both the NAP and

a tap on the ControlNet network.

!