Rockwell Automation 20-COMM-Q ControlNet Adapter - Manual (Page 24)

2-6 Installing the Adapter
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
Connecting the Adapter to
the Network
1. Remove power from the drive.
2. Use static control precautions.
3. Connect one end of a ControlNet cable to the network. See Figure 2.4
or Figure 2.5 for an example of wiring to a ControlNet network.
Figure 2.4 Coax Network Wiring Example
Figure 2.5 Fiber Network Wiring Example
4. Route the other end of the ControlNet cable through the bottom of the
drive ( Figure 2.3 ), and insert its ControlNet cable plug into the mating
adapter receptacle. A 1786-TPS (straight tap) is recommended for
connection to the 20-COMM-C (coax) adapter.
For information about network system design and component installation,
see the following publications:
• ControlNet Coax Media Planning and Installation Guide, publication
CNET-IN002
• ControlNet Fiber Media Planning and Installation Guide, publication
CNET-IN001
!
ATTENTION: Risk of injury or death exists. The PowerFlex
drive may contain high voltages that can cause injury or death.
Remove power from the drive, and then verify power has been
discharged before installing or removing the adapter.
Controller
(ControlLogix with
1756-CNBR Bridge shown)
PowerFlex 7-Class Drives
(each with a 20-COMM-C Adapter)
(optional redundancy)
Channel A
Channel B
1786-RPA 1786-RPFS
...
PowerFlex 7-Class Drives
(each with 20-COMM-Q
Adapter)
Controller
(ControlLogix with
1756-CNBR Bridge shown)
Star topology shown
NOTE: The 20-COMM-Q is designed for use
with short distance 1786-RPFS repeaters,
which use the V-pin type connector.