Installation 2-5
January 2006
Wiring the Benchtop
Input Power The Optica operates with input power from 90 to 126 VAC at 4 amps,
or from 208 to 252 VAC at 2.5 amps. It is designed for a nominal 100,
115 or 230 VAC source. A switch on the rear panel selects the
appropriate voltage range (see Figure 2-5 below):
• The 115 VAC setting operates over a range of 90 to 126 VAC
• The 230 VAC setting operates over a range of 200 to 253 VAC
The Optica’s voltage and frequency rating are listed on the rear panel.
Sensors Connect the dew point sensor cable to the 25-pin connector in Slot B
on the Optica’s rear panel (see Figure 2-5 below). Connect the
optional temperature sensor cable to the 9-pin connector in Slot B on
the rear panel. The optional pressure sensor and other I/O wiring
connects to the terminal block in Slot A.
Figure 2-5: Optica Benchtop Rear Panel
Note: *Depending on the model revision, the LAN connector is
located in one of two places.
Optional
LAN
connector*
Serial
Port
*
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