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Chapter 2
2-5
Example System Startup
2-2-3 Communications Power Supply
Each node (Master or Slave) must be supplied with a 24-V DC power supply for proper DeviceNet
communications.
The communications power, however, can be supplied by communications cables and does not
require separate wiring.
For systems that have a short maximum network length, power can be supplied to all nodes by using
one communications power supply.
Various conditions, constraints, and measures affect how the communications power is supplied. In
the examples shown here, the power is supplied from one communications power supply, and com-
munications cables are connected using T-branch Taps.
For details on methods of supplying communications power, refer to the DeviceNet Operation Man-
ual (W267).
Note
Refer to
3-2-5 Making Multi-drop Connections
when using Thick Cables and multi-drop con-
nections for wiring.
Содержание 3G3MV-PDRT2
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Страница 362: ...R 2 Revision History...