Emerson XWEB300 User Manual
INSTALLATION
GUIDE
(v. 2.1)
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< Read carefully before proceeding with the lecture of this manual >
WARNING: Use only modems supported by this monitoring unit. Dixell S.r.l.
can accept no responsibility for possible damage due the usage
of not supported modems.
WARNING: Dixell S.r.l. reserves itself the right to alter this manual without
notice. The last version available can be downloaded from our
internet website.
WARNING: This instructions manual describes common functionalities for
XWEB300D/XWEB500D/XWEB500 unless otherwise specified.
Hereby instructions refer to firmware version 2.1 or previous.
WARNING: This is a class A product. In a domestic environment this
product may cause radio interference in which case the user
may be required to take adequate measures.
WARNING: Dixell S.r.l. reserves the right to change the composition of its
products, even without notice, ensuring the same and
unchanged functionality
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Contents
1. CHECK LIST ............................................................................................... 5
2. RS485 CONNECTION ................................................................................ 6
The TTL output ......................................................................................... 8
Serial address of the instruments ............................................................. 8
3. MODEM CONNECTION (“or point to point connection”)........................... 9
4. INTRANET/ETHERNET CONNECTION ...................................................... 19
5. INTERNET CONNECTION......................................................................... 20
6. TROUBLESHOOTING GUIDE .................................................................... 22
7. UNIT SETUP REMINDER .......................................................................... 23
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1. CHECK LIST
Before opening package please check it to be intact and tit does not show
crashes or alteration marks.
In the packaging you shall find:
XWEB [1].
CD Rom with manual and accessory softwares [2].
Power cord [3]
Installation Quick Guide [4].
Before proceeding setting up a modem connection please check the modem is
approved by Dixell. Dixell cannot be held responsible for damages or missuse
with other devices.
Connect RS485 line to XWEB with provided plug.
Connect your PC to XWEB with provided RJ45 cross cable.
Proceed executing configuration procedures.
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2. RS485 CONNECTION
To be connected to the serial line all the Dixell Modbus instruments must be
provided with direct RS485 terminals or the “TTL”-RS485 interface (XJRS485 or
XJ485). Check the instrument manuals for more information. The RS485 line is
mainly based on two polarised terminals. Please pay respect to the right
sequence for all the devices connected to the serial line.
Follow these important instructions:
The RS485 serial line must reach all the instruments where they are installed.
Make sure of the wire polarities when screwing them into the instrument
terminals.
The cable must have 2 or 3 wires with shield, minimum section 0,5mm2 (eg. the
BELDEN 8772).
From the XWEB 500 position the cable reaches all the instrument positions.
Do not execute loops or derivations:
Right connection
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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 can use the RS 485+ and RS 485- terminals of the last instrument
connected).
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