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Installation
A D V I C E
The EDS500 devices are protection class II
devices with functional earthing.
Correct functional earthing is accomplished
by snapping the modem on the properly
earthed DIN-rail (making contact to
backside functional earth contacts) and
additionally connecting terminal X1-2
(SHIELD) to an earthing terminal on the
DIN-rail.
WARNING
Functional earthing must be done properly
in order for the overvoltage protection of the
modem to work properly.
"Fig. 4: Schematic installation drawing" shows a schematic
drawing of the correct installation of the modem. X1-2 has
to be connected to functional earth.
Terminal X1-1 is connected to the positive terminal and
X1-3 to the negative terminal of a DC power supply.
The communication line can be either connected in two-
wire or four-wire configuration. For two-wire configuration
connect terminal X3-1 and X3-2 to the pair of wires. For
four-wire configuration connect terminal X3-1 and X3-2 to
the pair of wires used for transmit direction and X3-3 and
X3-4 to the pair used for receive direction.
The internal transformers of the 500FSD10 have
a galvanic isolation of 3 kV. If a higher level of
protection is needed, additional isolation low-frequency
(LF) transformers have to be used. See "Fig. 5:
Communication line connection by LF transformer
(two-wire connection)" and "Fig. 6: Communication line
connection by LF transformer (four-wire connection)" for
the installation scheme.
Finally, the serial interface has to be connected to the local
data termination equipment (DTE) by connecting X2 of the
500FSD10 to the serial interface of the DTE by a shielded
serial cable, e.g. 500CAB08.
Other Indication Symbols
The following other indication symbols are used on
EDS500 series devices:
Symbol
Type
Conformity The CE mark on a product indicates
that the manufacturer or importer of
that product affirms its compliance with
the relevant EU legislation and the
product may be sold anywhere in the
European Economic Area (EEA).
Conformity According to directive 2012/19/
EU of the European Parliament
and of the Council of 4 July 2012
on waste electrical and electronic
equipment (WEEE), used electrical
and electronics devices shall no more
be disposed to unsorted waste. The
symbol of the waste bin on wheels
shows the necessity to separately
collect electronics waste. Therefore,
this equipment should be disposed
through the designated systems of
waste sorting if it is no longer used.
Table 1:
Other indication symbols on EDS500 series
devices
Meaning
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