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1592010860 XWEB5000 stp GB r1.1 2012.06.22.doc XWEB5000 10/48
Right connection:
Figure 3
Wrong connection:
Figure 4
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).