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Getting Started
Model 300E Carbon Monoxide Analyzer
Instruction Manual
24
P/N 04288 REV: A
The third analog output, labeled A3 is special. It can be set by the user (see
Section 6.4.7) to output any one of the parameters accessible through the
<TST TST>
keys of the units Sample Display.
The standard configuration for these outputs is mVDC. An optional Current
Loop output is available for each.
Pin-outs for the Analog Output connector at the rear panel of the instrument
are:
PIN
Analog Output
VDC Signal
mADC Signal
1
V Out
I Out +
2
A1
Ground
I Out -
3
V Out
I Out +
4
A2
Ground
I Out -
5
V Out
I Out +
6
A3
Ground
I Out -
7
V Out
Not Available
8
A4 (Spare)
Ground Not
Available
q
The default analog output voltage setting of the 300E CO Analyzer is 0 – 5
VDC with a range of 0 – 50 ppm.
q
TO change these settings, see Sections 6.4 and 6.5
3.
If you wish utilize the analyzer’s Status Outputs to interface with a device that
accepts logic-level digital inputs, such as Programmable Logic Controllers
(PLC’s) they are accessed via a 12-pin connector on the analyzer’s rear panel
labeled STATUS.
STATUS
1 2 3 4 5 6 7 8 D
+