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WAGO I/O System 750 Series User Manual

WAGO I/O System 750 Series
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DeviceNet • 69
Network Architecture
WAGO-I/O-SYSTEM 750
DeviceNet
Further information
The Open DeviceNet Vendor Association (ODVA) provides further docu-
ments in the Internet under: http://www.odva.org
4.2 Network Architecture
4.2.1 Transmission Media
4.2.1.1 Type of Cable
A bus medium forms the basis for the physical realization of a network using
DeviceNet.
According to the line specification, a double 2-conductor twisted pair cable
(twisted pair, screened cable) is recommended to be used as a medium.
It consists of two screened twisted pair cables with a wire in the middle of the
cable. Further screening extended at the outside.
The blue and the white twisted pair cable is used for signal transmission, the
black and red one for the supply voltage.
4.2.1.2 Cable Types
The DeviceNet bus is configured using a remote bus cable as the trunk line
and several drop lines.
For this purpose, the DeviceNet specification distinguishes between 2 cable
types:
Thick Cable
For the trunk line of maximum 8 A or for networks extending over more
than 100 m.
The trunk line topology is linear, i.e. the remote bus cables are not further
branched. On each end of the remote bus cable, terminating resistors are
required.
Thin Cable
For drop lines with maximum 3 A or for networks extending less than
100 m.
One or more nodes can be connected to the drop lines, in other words,
branching is permitted here. The length of the individual drop lines is
measured from the branching point of the node and can be up to 6 m. The
entire length of the drop line depends on the Baud rate.

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WAGO I/O System 750 Series Specifications

General IconGeneral
BrandWAGO
ModelI/O System 750 Series
CategoryI/O Systems
LanguageEnglish

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