Rockwell Automation 1768-CNxxx ControlNet Communication Modules - Manual (Page 29)

Rockwell Automation Publication CNET-IN005C-EN-P - July 2014 29
Install a 1768 ControlNet Communication Module Chapter 2
2. Connect the tap’s straight or right-angle connector to the module’s BNC
connector.
3. Apply power to the module and check the status indicators to determine
whether the power supply and module are operating properly.
Remove the Module To remove or slide a module, turn off the power and pull out the DIN rail
connectors on the module. After you turn off the power, wait for all of the lights
on the power supply and controller to turn off before you disconnect any
modules.
• When you turn off the power, the controller writes its project to memory.
• If you don’t wait for the lights to turn off, you will lose your project.
If your network supports Connect the tap’s connector
Nonredundant media
(1768-CN
x modules)
From trunkline A to channel A on the module.
Redundant media
(1768-CNBR modules) • From trunkline A to channel A on the 1768-CNBR module.
• From trunkline B to channel B on the 1768-CNBR module.
IMPORTANT To avoid accidentally reversing the tap connections on 1768-CNBR
installations, before making your connection, check the tap drop cable for the
label indicating the attached segment. Accidental connection reversals
produce incorrect status displays and require troubleshooting.
05 06
6
8 7
07
9 0
4 3 2 1
5
08 09 00 01 02 03 04
NETWORK
ADDRESS
31653- M
05 06
6
8 7
07
9 0
4 3 2 1
5
08 09 00 01 02 03 04
NETWORK
ADDRESS
Network 1
Network 2
Nonredundant Media Redundant Media
A A B
Tap Tap Tap
ATTENTION: 1768 modules are not designed for removal and insertion under
power. Removal or insertion of a 1768 module while power is applied can result
in module damage or unintended operation.
IMPORTANT When you turn the CompactLogix power supply off, make sure you wait for all
status indicators on the power supply and controller to turn off before
disconnecting any part from the system.
If you disconnect the CompactLogix system while the controller is still writing
its program to memory, the program write will not be completed and you will
lose your program.