Rear Panel (Equipment Interface) - Teledyne 3000PA-EU Operating Instructions Manual

Percent Oxygen Analyzer
Accessing the other circuit board requires unfastening the rear panel
screws and sliding the electronics drawer out of the case.
1.6 Recognizing Difference Between LCD & VFD
LCD has GREEN background with BLACK characters. VFD has
DARK background with GREEN characters. In the case of VFD - NO
CONTRAST ADJUSTMENT IS NEEDED.
1.7
The rear panel, shown in Figure 1-2, contains the gas and electrical
connectors for external inlets and outlets. The Zero and Span gas connec-
tors, and the Current signal outputs are optional and may not appear on
your instrument. The connectors are described briefly here and in detail in
the Installation chapter of this manual.
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Rear Panel (Equipment Interface)

Figure 1-2: Model 3000PA Rear Panel
Power Connection
Gas Inlet and Outlet One inlet (must be externally valved)
9-Pin RS-232 Port
50-Pin Equipment Interface Port
Teledyne Analytical Instruments
Universal AC power source.
and one exhaust out. Three inlets when
"C" option is ordered.
Serial digital concentration signal
output and control input.
Introduction 1
1-5