Endress+Hauser SpectraSensors SS2100 - Page 85

Serial Port Communications
Operator’s Manual 3
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• N-Pentane: Sets the mole fraction of n-pentane in the dry gas
mixture used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00004) corresponds to the natural
gas mixture NG3.
• Neo-Pentane: Sets the mole fraction of neo-pentane in the dry gas
mixture used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00003) corresponds to the natural
gas mixture NG3.
• Nitrogen: Sets the mole fraction of nitrogen in the dry gas mixture
used when calculating the dew point temperature per ISO
18453:2006. The default value (0.00912) corresponds to the natural
gas mixture NG3.
• Operator Parameter01 to Operator Parameter20: Parameter
indices for parameters to be viewed through the Operator Parameter
section.
• Operator Password: Sets a password for the Operator Parameter
section.
• Password: Required to access the system to download (i.e.,
change) register settings. In Table 3–1 on page 3–15, those registers
denoted as R/W L1 can be modified if the User Level 1 password is
downloaded to this register.
• Peak Index Ref: Peak index used for reference.
• Peak Index Ref Dry: Peak index (0.0 for non-differential units)
used for reference from the last scrubber cycle.
• Peak Track Index: Peak index of the measured spectrum.
• Peak Track Index Dry: Peak index (0.0 for non-differential units)
of the measured spectrum from the last scrubber cycle.
• Peak Tracking: A software utility that periodically adjusts the laser
current to keep the absorption peak of the measured component at
a known location.
• Pipeline Pressure: Sets the pipeline pressure (in mbar) in the
current dew point calculation or, if enabled, displays the current
pipeline pressure input through the AI Pressure Input.
• ppbv ConvFactor 05: Sets a custom conversion factor when the
parameter Concentration Unit = 5 (ppbv) and this value is greater
than 0.0. When it is equal to 0.0, the default conversion factor is
used.
• ppbw ConvFactor 06: Sets a custom conversion factor when the
parameter Concentration Unit = 6 (ppbw) and this value is greater
than 0.0. When it is equal to 0.0, the default conversion factor is
used.