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Trace Oxygen Analyzer
SWITCH ON THE FRONT PANEL IS FOR SWITCHING
POWER ON OR OFF TO THE DISPLAYS AND
OUTPUTS ONLY.
Fuse Installation: The fuse block, at the right of the power cord
receptacle, accepts US or European size fuses. A jumper replaces the
fuse in whichever fuse receptacle is not used. Fuses are not installed at
the factory. Be sure to install the proper fuse as part of installation. (See
Fuse Replacement in Chapter 5, Maintenance.)
3.3.3.2 50-P
E
IN
QUIPMENT
Figure 3-4 shows the pin layout of the Equipment Interface
Connector. The arrangement is shown as seen when the viewer faces the
rear panel of the analyzer. The pin numbers for each input/output function
are given where each function is described in the paragraphs below.
Figure 3-4: Equipment Interface Connector Pin Arrangement
Analog Outputs: There are four DC output signal pins—two pins per
output. For polarity, see Table 3-1. The outputs are:
0–1 VDC % of Range: Voltage rises linearly with
0–1 VDC Range ID: 0.20 V = Low Range, 0.5 V =
4–20 mA DC % Range: Current increases linearly with
Teledyne Analytical Instruments
I
C
NTERFACE
ONNECTOR
increasing oxygen, from 0 V at 0
ppm to 1 V at full scale ppm. (Full
scale = 100% of programmable
range.)
Medium Range, 0.80 V = High
Range.
increasing oxygen, from 4 mA at 0
ppm to 20 mA at full scale ppm.
(Full scale = 100% of
programmable range)
Installation
19
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