Installation; Unpacking And Mounting; Power Wiring - DataKinetics DSC110 User Manual

Signalling converter
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5. INSTALLATION

5.1 Unpacking and mounting

Prior to commencing installation, unpack the equipment and check for any
physical damage. In the event of damaged or missing hardware notify both the
carrier and DataKinetics immediately.
The equipment should be mounted in a suitable 19-inch rack mount cabinet, with
sufficient clearances to allow correct operation of the cooling fan(s).
For the DSC110 air is drawn into the unit through the left-hand side of the unit and
exhausted through the right hand side
equipment through both sides of the chassis, and is exhausted at the top of the
rear panel.
It is recommended that the chassis be mounted at least 500mm above the floor
and not more than 1400mm high. This allows for access underneath the chassis
and avoids the need for steps to gain access to the top of the unit.
All electrical connections are made to the rear of the unit.

5.2 Power Wiring

Correct bonding of the chassis to earth is important if the converter is not to be
effected by electromagnetic interference (EMI). A separate earth connection must
be made between the earth post provided at the rear of the chassis and the
system earth point. The resistance between the chassis and the system earth
point should be no greater than 0.03 Ohms, as measured by an earth bonding
tester.
5.2.1 DSC110 Power Wiring (DC version)
Connection is by means of a two terminal screw connector block mounted at the
rear of the DSC110. The top connector is positive (+), the lower terminal negative
(-), as shown on the rear of the chassis. There is no internal connection between
the earth terminal and the power supply inputs, either pole may be connected to
earth to suit the system requirements.
The power supply is fitted with an internal fuse, which is not user replaceable.
5.2.2 DSC110 Power Wiring (AC version)
The AC power supply is dual voltage, selectable by a slider switch at the rear of
the unit. This switch is marked 230 for connection to 220-240V AC supplies, and
115 for connection to 100-120V AC supplies. This switch must be set to the
correct position before power is applied to the unit.
Connection is by means of a standard 3-pin IEC mains inlet on the rear of the
chassis. This includes a ground connection, which must be connected to a
suitable system earth. The power outlet provides a restricted nominal 230V AC or
115V AC supply for connection to ancillary equipment. The capability of this
output is labelled on the rear of the equipment. This port should not be used.
The power supply is fitted with an internal fuse, which is not user replaceable.
DataKinetics DSC110 / DSC210 User Manual Issue 12
For the DSC210 air is drawn into the
.
Page 28

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