Oldham MX62, Installation And Utilisation Manual

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8. Connection and Installation
8.1. Wiring
8.1.1. Mains Supply
The electric installation for the
WinPro
®
has to provide an isolator
(eg an overload release) to guarantee a secure disconnection from the
mains supply. The
WinPro
®
must not be installed in hazardous areas.
The
WinPro
®
is designed for stationary installation to a mains supply
of 230V AC/50Hz (also available for 24V DC). The unit complies
with Protection Class I according to EN 60335 and has to be con-
nected to a protective conductor (PE).
8.1.2. Connection of Relays
A maximum of 128 relays (8 relay modules with up to 16 relays)
with potential-free change-over contacts for 230V/10A resistive load
can activate external devices or transfer information. Selection of
closed or open circuit operation is via jumper. The relays can be
connected through a flat or bus cable. The maximum bus length is
1km.
8.1.3. Connection of Transducers
The gas control unit is designed for connection of up to 64 transduc-
ers (4-20mA) by 2-wire or 3-wire technique. Connecting of the
transducers to the analog input modules is via shielded cable. Trans-
ducers with external input requirement must not be connected.
The sheath of the shielded line must be connected with the housing
of the
WinPro
®
. In case the housing of the transducer is out of metal,
the sheath is also to be connected with this housing via the screwing.
The maximum cable length is determined by the transducer to be
connected (see respective data sheet) and must not be exceeded.