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Level 1 Security (Maintenance Level)
Level 2 Security (Configure Level)
the following functions:
• Alter system constants including pressure and temperature constants
• Select flags to change the system parameters linked to the analog out
puts, concentration alarm, and first three display lines
• View and alter period timers including those for zero and calibration
cycles.
• Select configuration flags from the Flags1 list in (Chapter 5):
• Invoke infinite impulse formula noise suppression for cell frequency,
pressure, temperature, and flow (optional) measurements
• Change Level 1 and 2 security access codes
Level 3 Security (Service Level)
The level 3 access code, which cannot be disabled or changed, is required to access the
Level 3 Configure Menu and the following functions:
• Alter polynomial coefficients used in the moisture concentration calculations
• Alter system values including cell span and temperature constants
• Alter format of first three display lines
4-2 2850 Moisture Analyzer
The level 1 access code is required for the following functions:
•
Initiate an auto-calibration cycle with auto-span adjustment
•
Initiate a zero cycle with coefficient D adjustment
•
Alter upper and lower levels for concentration alarm
•
Alter upper and lower range limits for 4 to 20 mA analog outputs 1
and 2
•
Access the Config/Test Main Menu and:
•
View all software configuration values
•
Set time of day for calibration cycle if it is to be run at 24 hour intervals
•
Run system self-tests for troubleshooting purposes
The level 2 access code is required to access the Level 2 Configure Menu and
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