3-2 INSTALLATION
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3.2 Install in Rack Mount Cabinet
The Controller is designed to be mounted in a standard 19-inch (48 cm) rack
mount cabinet. To assure that the power cable that came with each controller
is connected to that controller, the power cables can be connected as each
controller is installed in the cabinet. Do not connect to input power before the
installation is complete. The input power requirements are given below in table
3-2. Universal single phase 50-60 Hz input power of 85 to 275 volts can be
used, so no modi
fi
cation is required to use either a nominal 115 or 208-230 volt
input.
Table 3-2. Input power requirements.
Module
Nominal Input Voltage
Maximum Input Current
Auto Controller
115 V, 1
Φ
, 50-60 Hz
208-230 V, 1
Φ
, 50-60 Hz
0.75 A
0.35 A
Filament Power Supply
115 V, 1
Φ
, 50-60 Hz
208-230 V, 1
Φ
50-60 Hz
15 A
7.5 A
Discharge Power Supply
115 V, 1
Φ
, 50-60 Hz*
208-230 V, 1
Φ
, 50-60 Hz
15 A*
15 A
* The discharge power supply output will be limited to 1500 watts when operat-
ing with a nominal 115 volt ac input.
The Auto Controller, Filament Power Supply and Discharge Power Supply
should be mounted one above the other in the cabinet. See Fig. 3-1 for the
relative locations of the individual rack mounted units. The wiring and cables
may not reach all the controller connections if installed in a different order.
3.3 Ground Connections
An earth ground connection is required for both safety and correct operation.
Earth ground should be connected to the vacuum chamber in which the ion
source is to be operated as well as the cabinet in which the Controller is in-
stalled. Make sure that these ground connections are made by quali
fi
ed techni-
cal personnel. These ground connections are independent of the ground con-
nections described below in section 3.4.
3.4 Connections Between Controller Components
The connections between Controller components are shown in Fig. 3-2, which
shows the rear panels of the Discharge, Filament power supplies and Auto
