Dixell XWEB 3000 Guide d'installation télécharger pdf (Page 8)

XWEB SERIES Installation Guide

Pg. 8/74 1592017000 04/11/2004

Right connection:

Wrong connection:

• Always keep the serial cable away from power cables.

• Always keep the serial cable away from Electro-magnetic or

frequency sources.

• Do not connect shield to ground.

• Do not connect the “Gnd” terminal.

• Remember to draw a map of the line. This will help you to find

errors if something is wrong.

• The instrument with RS485 have “+” and “-“ terminals, respect

the polarity.

• To keep the line balanced it is necessary a 100 Ohm resistor at

the end of the line (you ca use the RS 485+ and RS 485-

terminals of the last instrument connected).

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Dixell XWEB 3000 Guide d'installation Page 8