Advantech RS-485 Manuel d'utilisateur télécharger pdf (Page 294)

100

101

A-4 ADAM-5000

Quick Start Example

network with long cables, we advise the use of thicker wire to limit the

line voltage drop. In addition to serious voltage drops, long voltage

lines can also cause interference with communication wires.

Figure A-1 Power supply connections

It is advisable to use standard coding colors for the power lines:

+Vs (R) Red

GND (B) Black

Communication Wiring

It is recommended that shielded, twisted-pair cables that comply with

the EIA RS-485 standard be used with the ADAM-5000 network to

reduce interference. Only one set of twisted-pair cables is required to

+Vs

GND

INIT*

COM

DATA+

DATA-

POWER SUPPLY

+10~+30 VDC

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Advantech RS-485 Manuel d'utilisateur Page 294

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