Serial Address; The Ttl Output - Emerson Dixell X-web300 Operation Manual

2.1.2 SERIAL ADDRESS

The cable must have 2 or 3 wires with shield, minimum section 0,5mm

From the XWEB position the cable reaches all the instrument positions.

 Do not execute loops or derivations:
Right connection
Wrong connection
 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 "

To keep the line balanced it is necessary a 120 Ohm resistor at the end of the line (you can use the RS

485+ and RS 485- terminals of the last instrument connected).

2.1.3 THE TTL OUTPUT

1592028000 XWEB300D_500_500D opr GB r2.2.0 2013.08.01.docx
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" terminals, respect the polarity.
XWEB500/300
(e.g. the BELDEN 8772).
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