Rockwell Automation 1788-CN2FF ControlNet-to-FOUNDATION Fieldbus H1 Linking Device User Manual - Manual (Page 13)

1788-6.5.1 - January 1999
Hardware Installation and Configuration 2-3
Connect the primary power supply to the center V and C pair. An optional
backup power supply may be connected to the left V and C pair. The right V
and C pair may be used to chain the primary power supply to other devices.
All three terminals labeled C are connected in the linking device. The right
two V terminals are connected in the linking device. These connections are
indicated on the power connector by the lines over the V and C terminals.
Connecting to
the ControlNet Network There are two types of ControlNet connectors on the linking device. The
BNC connectors are for direct connection to a ControlNet network through
a tap. The BNC connectors must be used to connect the linking device to the
ControlNet network. The RJ-45 connector is a network access port (NAP).
This port is only for temporary connections to a ControlNet network. Figure
2.2 shows an example of a typical network connection.
Figure 2.2 . Typical Linking Device Connections to a ControlNet Network
Important: Do not connect the linking device to more than one ControlNet
network at a time. Attempting to connect to a second network
will cause the linking device to operate erratically.
A B
ControlNet
Device
ControlNet
Device
Linking Device