Dixell XWEB 3000 Manual de instrucciones descargar pdf (Pagina 11)

XWEB 500 – rel.1.0 –

2.1.2 SERIAL ADDRESS

• The cable must have 2 or 3 wires with shield, minimum section 0,5mm

(eg. the BELDEN 8772).

• From the XWEB 500 position the cable reaches all the instrument positions.

• Do not execute loops or derivations:

Right connection

Wrong connection

• Always keep the usb cable away from power cables.

• Always keep the usb 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 an error 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 Manual de instrucciones Pagina 11