Rockwell Automation Flex/WebPak 3000 DC Drive ControlNet, Network Communication Board, 915FK2101 - Manual (Page 16)

2-4 ControlNet Network Communication Option Board For Use With FlexPak 3000 and WebPak 3000 DC Drives
You can run a second trunk cable between your ControlNet nodes for redundant
media. With redundant media, nodes send signals on two separate segments. The
receiving node automatically compares the quality of the two signals and accepts the
better signal. This also provides a backup cable should one cable fail. When using
redundant media, you must use two passive taps.
If you do not use redundant media, the option board can operate using only channel A
or channel B, as long as all other drops on the network are also on the same channel.
2.3 Connecting a Programming Device to the Option
Board’s Network Access Port
You can gain full access to the ControlNet network by connecting a programming
device to the option board’s Network Access Port, an RJ-45 connector.
Important: Be sure to use a network access cable that is approved by a ControlNet
vendor. Using an unsuitable cable could result in network failures.
Figure 2.5 – Connecting a FlexPak 3000 Drive or a WebPak 3000 Drive to the ControlNet Network
Programmable
Logic Controller
(PLC)
Tap
Drop Cable
Trunk Cable
Repeater
Terminator
FlexPak 3000 or
Note: This diagram shows
redundant media
being used.
WebPak 3000 Drive