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3 Installation
Table 3-1: Analog Concentration Output—Example
% O
2
0
1
2
3
4
5
6
7
8
9
10
To provide an indication of the range, a second pair of analog output
terminals are used. They generate a steady preset voltage (or current when
using the current outputs) to represent a particular range. Table 3-2 gives the
range ID output for each analysis range.
Table 3-2: Analog Range ID Output—Example
Range
LO
MED
HI
0-25%
Non Programmable
NOTE:
Impendance across 4-20mA output should not exceed 1000
ohms. Note polarity of terminals when wiring to the analog
outputs. Do not short 0-1VDC output for long period of time,
or damage may occur to analyzer.
CAUTION: Voltage may be present on alarm contacts when line power
is disconnected.
3-6
Voltage Signal
Output (V dc)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Voltage (V)
0.25
0.50
0.75
1.00
Teledyne Analytical Instruments
Current Signal
Output (mA dc)
4.0
5.6
7.2
8.8
10.4
12.0
13.6
15.2
16.8
18.4
20.0
Current (mA)
8
12
16
20
Model 3020M
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