Omron DEVICENET - Example Network Configuration

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Network Configuration Overview Section 2-1

With the multi-drop method, the node is directly connected to the trunk line or

the branch line.

Secondary branches can be made from a branch line. There is no limit on the

number of T-branch Taps and multi-drop connections in the network.

Note Both of these connection methods can be used in the same Network, as

shown in the example above.

Communications

Power Supply

To use DeviceNet, communications power (24 VDC) must be supplied to each

node through DeviceNet cable. Refer to 2-2-9 Sharing the Communications

and Internal Circuit Power Supply for details.

Ground Ground the entire network at just one point. Ground at 100 Ω or less.

2-1-2 Example Network Configuration

T-branch method

Multi-drop method

T-branch

Tap

T-branch

Connector

Node

Terminator

Node

Communications

power supply

(24 V DC)

Trunk line

Branch line

Power

Supply

Tap

Ground the

network at only

one point.

The max.

branch line

length is 6 m.

T-branch made with a T-branch Tap

or T-branch Connector

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