Rockwell Automation 22-COMM-L LonWorks Adapter User Manual

Page 18

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2-2

Installing the Adapter

3. Open the drive cover.

4. Connect a cable to the network, and route it through the bottom of

the PowerFlex drive. (Refer to the LonMark Layers 1-6
Interoperability Guidelines, Appendix A “Cable Requirements for
the TP/FT-10 Channel.”)

5. Connect a six-pin linear plug to the network cable. (See

Figure 2.1

for the terminal definitions.)

Figure 2.1 Bus Topology with Shield Example

6. Insert the six-pin linear plug into the mating adapter socket.

Terminal

Name

Function

1

SHIELD

(1)

(1)

It is recommended to use shielded network cable. This shield must be grounded at one point
on the network via a 470K ohm, 1/4 watt,

≤ 10% metal film resistor.

Noise mitigation

(2)

(2)

For noise mitigation, LON trunk lines should not be run in close proximity to drive or
equipment power distribution feeds.

2

NET A

Network connection, polarity insensitive

3

NET B

Network connection, polarity insensitive

4

TERM BUS

Connect to TERM COM for termination of Bus

(3)

topology networks.

(3)

To terminate a Bus Topology network (one termination at each end of the network), connect
TERM COM to TERM BUS.

5

TERM COM

Termination common

6

TERM FT

Connect to TERM COM for termination of Free

(4)

topology networks.

(4)

To terminate a Free Topology network (one termination per segment), connect TERM COM to
TERM FT.

Node 1

Node 2

Node "n"

SHIELD

NET ANET BTERM BUS

TERM COM

TERM FT

SHIELD

NET ANET BTERM BUS

TERM COM

TERM FT

SHIELD

NET ANET BTERM BUS

TERM COM

TERM FT

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