Connections
11
12/03 AWB-C27-1293GB
햲 Earthing the 0 volt cable (see Fig. 1)
The units can be operated earthed or unearthed. An
isolation monitoring device must be used for
unearthed operation.
햳 Panel housing earth connection
The panel housing must always be earthed. The
earth connection is located next to the connector
sockets for the power supply. It is indicated by a
sticker bearing the symbol for earth. Use a 6.3 mm
fast-on plug for the power connection.
햴 Power supply plug earth connection
In all cases, connect the earth connection of the plug
to earth. It is connected internally to the 0 V plug
connection through a capacitor-resistor combination
(10 nF, 100 V/1 M⍀).
Data plug earthing
The data plug housings for MI4 units are earthed.
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