Rockwell-automation 1788-CNCHKR ControlNet NetChecker User Manual Bedienungsanleitung PDF herunterladen (Seite 12)

12 ControlNet NetChecker

Rockwell Automation Publication 1788-UM001B-EN-P - August 2012

Connect to the Network

Connect the NetChecker to the network in one of these ways:

• Use the provided cable and BNC T, as shown in the left example. This method requires

you to break the trunk to install the BNC T, which disrupts a running system. The

BNC T is intended for temporary use only. We do not recommend leaving the BNC T

installed.

• Use the provided BNC T with a 1786-TCAP tap and 1786-BNCP barrel connector, as

shown in the right example. The tap, 1786-TCAP, and 1786-BNCP connector must be

purchased separately. The tap can be left in the system for testing purposes, but the tap

must not be left unconnected. Install a 1786-TCAP on all unused taps.

If you do not want to open the network, you can install some free taps for testing. With a

redundant network, you can temporarily disconnect one of a node’s taps from the network and

test from this. Recognize, however, that you are removing a node from the network. Test that

node later from a different location on the network.

INPUT

Node On Line

Push ON

Control Net™ Net Checker

TRAFFIC

1Min

Max

Low Battery

BargraphDiagnostic

Signal (x1/4)

GND

Trigger

OFF

Push ON

Output to Scope

Power Supply

Node Finder

Threshold

Buzzer

Stow Edges

Illegal Framing

Pass/Fail

Ext

Power

5VDC

0,25A

Poor Signal

Quality

(

3231-M

INPUT

Node On Line

Push ON

Control Net™ Net Checker

TRAFFIC

1Min

Max

Low Battery

BargraphDiagnostic

Signal (x1/4)

GND

Trigger

OFF

Push ON

Output to Scope

Power Supply

Node Finder

Threshold

Buzzer

Stow Edges

Illegal Framing

Pass/Fail

Ext

Power

5VDC

0,25A

Poor Signal

Quality

(

32320-M

Provided Cable

Provided BNC T

ControlNet Trunk

Tap Drop

NetChecker

1786-TCAP

ControlNet Trunk

Tap

1786-BNCP

Provided BNC T

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

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