EC9830 CO ANALYZER OPERATION MANUAL
2-2 98307600 Rev. C-1
pneumatic and electrical connections. Figure 2-1 shows the rear panel of the
analyzer with associated connections. Notice the Network connection is optional
(Optional)
RS 232
USB
Figure 2-1. Analyzer Rear Panel
2.1.2.1 Recorder and DAS Connections
CAUTION:
The EC9830 electrical ground is isolated from
earth ground. To avoid possible ground loops, all
electrical devices connected to the analyzer
should have floating inputs (not connected to
earth ground).
2.1.2.1.1 The 50-Pin I/O PCA
The 50-pin I/O connector board plugs into the discrete I/O connector, and
provides voltage and current outputs to drive a strip chart recorder (REC) and a
data acquisition system (DAS). The outputs are illustrated in Figure 2-2.
The 50-pin I/O PCA is optional for the EC9830 B series analyzer.