Rockwell Automation 1797-Series ControlNet Ex Media Plannng Installation Manual - Manual (Page 61)

Publication CNET-IN003A-EN-P - January 2006
Install a ControlNet Ex Media System 3-19
Test for Electrical Shorts and Continuity Between the Center
Conductor and the Shield
1. The NetLinx Media Checker (catalog number 1788-MCHKR) is
the preferred tool for continuity testing. Attach the connector
end of the cable to the port on top of the media checker.
2. As a secondary method, you can also use an ohmmeter or
continuity tester to test for a short between the connector body
and pin.
3. Use shorting clips to connect a temporary short between the pin
and connector body at one end of the cable.
4. At the other end of the cable, use the media checker, an
ohmmeter, or continuity tester to test for electrical continuity.
If Resistance Reading Indicates Then
That a short exists Continue to next section
There is no short Use your wire cutters to cut off the
connector, install a new connector
and begin testing again
31195-M
LENGTH
WIRE MAP TEST
SETUP ENTER
OFF
MediaChecker
1788-MCHKR
Attach the connector end of the
cable to the port on top of the
media checker.
20166
Connector Body
Pin