Advantech RS-485 Manuel d'utilisateur télécharger pdf (Page 29)

100

101

ADAM-5000 2-11

Chapter 2

5. Avoid running wires near high energy wiring

6. Avoid running input wiring in close proximity to output

wiring where possible

7. Avoid creating sharp bends in the wires

RS-485 Port Connection

There is a pair of DB9 ports in the ADAM-5000 system. The ports are

designed to link the RS-485 through a cable to a network in a system.

The pin assignment of the port is as follows:

Pin No. Description

Pin 1 RS-485 Data -

Pin 2 RS-485 Data +

Pin 3 Not Used

Pin 4 Not Used

Pin 5 RS-485 Signal Ground

Pin 6 Not Used

Pin 7 Not Used

Pin 8 Not Used

Pin 9 Not Used

Note: The wiring of the RS-485 should be through a twisted

pair. To reduce electrical noise, it should be twisted

as tightly as possible

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 347 348

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Advantech RS-485 Manuel d'utilisateur Page 29

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