Omron DEVICENET -, Operation Manual

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22
Network Configuration Overview Section 2-1
2-1 Network Configuration Overview
2-1-1 Network Configuration
The DeviceNet Network can be configured as shown in the following dia-
grams.
Network with General-purpose Slaves Only
Network with General-purpose and Environment-resistive Slaves
T T T T
M
M
T
M
M M
T
24 VDC
Connect
terminators at
both ends of the
trunk line.
Ground to
100
Ω
or less
.
Communications
power supply
Use DeviceNet
cable.
Connect terminators
at both ends of the
trunk line.
Use
DeviceNet
cable.
Node
Node
Node Node
Node
Node
Node
Node
Node
Node
T-branch
Tap T-branch
Tap T-branch
Tap
T-branch
Tap
T-branch
Tap
T-branch Tap
Branch
line
Trunk line Trunk line
Trunk
line
Trunk
line
Trunk
line Trunk
line
Power Supply Tap
or T-branch Tap
Use DeviceNet cable for the
trunk lines and branch lines.
T: T-branch method
M: Multi-drop method
Branch
line
Branch
line
Branch
line
Branch
line
Branch
line
Branch
line
T T T T
M
M
T
M
T T
24 VDC
Connect terminators
at both ends of the
trunk line.
Ground to
100
Ω
or less.
Use
DeviceNet
cable.
Node
Node
T-branch
Tap T-branch
Tap
Trunk line
Trunk line
Branch
line
Use DeviceNet
cable.
Communications
power supply
Node
Node
Node
Node
Node
T-branch
Tap
T-branch
Tap
T-branch Tap
Power Supply
Tap or T-branch
Tap
Use DeviceNet cable for the trunk lines and branch lines.
(Use thin cable with Environment-resistive Slaves.)
T: T-branch method
M: Multi-drop method
Branch
line
Branch
line
Branch
line
Branch
line
Branch
line
Branch
line
Environment-
resistive Slave
Environment-
resistive Slave
Environment-
resistive Slave
Connect terminators
at both ends of the
trunk line.
T-branch Tap
Connector with
terminator
Branch
line
Branch
line
T-branch Tap
T-branch
Connector