WAGO-I/O-SYSTEM 750
Fieldbus Communication 129
750-806 Fieldbus Controller DeviceNet
TM
Manual
Version 2.0.0
Figure 64: DeviceNet
TM
Network – Line Structure (Trunk Line) with Terminating Resistors
In systems with more than two stations, all nodes are wired in parallel. The nodes
are connected to the fieldbus cable (trunk line) by drop lines. This requires the bus
cable to be looped through without disruption. The maximum length of a line
branch should not exceed 6 m.
An example of this topology is shown in the following figure:
Figure 65: DeviceNet
TM
Network with Cable Branches
To connect the nodes, a branching unit (“Multi-Port DeviceNet
TM
Tap”) has been
developed by WAGO Kontakttechnik GmbH & Co. KG. The unit allows remote
bus cables and drop lines to be connected using CAGE CLAMP
®
technology. A
secure and fast, as well as vibration- and corrosion-resistant connection is thereby
achieved.
