Diagnostics
CIRAS-2 Operator's Manual Version 2.04
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Diagnostics
The CIRAS-2 contains numerous sensors to measure CO
2
, H
2
O, leaf environment, signals from external
probes and gas flow through the instrument. The Diagnostics function collects the signals from each of
these sensors and summarizes them. The result is a simple text file that can be faxed or e-mailed to PP
Systems. This can then be compared with our factory records to identify any changes in the system.
There are 6 different dialogs associated with Diagnostics:
Analyser A/D Reads - CIRAS-2 Temperature and Atmospheric Readings, CO
2
and H
2
O readings
depending on valve settings and CIRAS-2 Stored Zeros.
Temperature & PLC State - Various readings for Temperatures. Probe Type is selected here.
Flows - Control and Monitor Analyzer and Cuvette flows.
Auto Cuvette - Checks Auto Cuvette Light Units and Temperature control.
Batteries & Voltages - CIRAS-2 Battery and Board Voltages and Cuvette Voltage if connected.
Report - Generate Diagnostics Report for Technical Support.
CIRAS-2 and the software must be in Measure Mode to enter Diagnostics. (Diagnostics may also be
performed during the Warm Up Cycle).
Analyser A/D Reads
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