Publication DNET-UM072C-EN-P - July 2004
Get Started
1-5
Basic DeviceNet network
Understand the topology
The DeviceNet cable system uses a trunk/drop line topology.
This figure shows a basic DeviceNet network and calls out its basic components.
TR
TR
Power
Supply
TR
terminating resistor
device or node
1
3,4
2
2
Checklist
5
trunk line
drop lines
41829
D
Understand the
Media
1
You must terminate the trunk line at both ends
with 121
Ω
, 1%, 1/4W or larger terminating
resistors.
device or node
TR
TR
trunk line
drop line
TR = terminating resistor
41826
Содержание H Series
Страница 135: ...DeviceNet Media Design and Installation Guide...
Страница 144: ...Publication DNET UM072C EN P July 2004 Table of Contents iv...
Страница 170: ...Publication DNET UM072C EN P July 2004 1 26 Get Started Notes...
Страница 194: ...Publication DNET UM072C EN P July 2004 2 24 Identify Cable System Components Notes...
Страница 212: ...Publication DNET UM072C EN P July 2004 3 18 Make Cable Connections Notes...
Страница 238: ...Publication DNET UM072C EN P July 2004 4 26 Determine Power Requirements Notes...
Страница 248: ...Publication DNET UM072C EN P July 2004 5 10 Correct and Prevent Network Problems Notes...
Страница 250: ...Publication DNET UM072C EN P July 2004 A 2 Understand Select NEC Topics Notes...
Страница 263: ......
Страница 267: ...Isysnet Serial Bus System Selection Guide Pneumatic...
Страница 287: ...H Series Fieldbus DeviceNet Adapters PSSCDM12A PSSCDM18PA User Manual...