dixell XWEB5000 EVO, Installation Manual

Page: 8 / 72

XWEB SERIES Installation Guide
Pg. 8/72 23/05/2007 1592010850
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 (ground) ” 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).