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Operation
There are three modes to the Maintenance counter: Off, On, and
Alarm.
OFF:
Turns off the counter, thus Maintenance mode is off.
ON:
Turns on the counter but at the end of the countdown
"MAINT" is shown on the display but the System
alarm contacts are not triggered.
Alarm:
Turns ON the counter and will display "MAINT" on
the Analyze screen at the end of the countdown plus
trigger the system alarm contacts.
In this mode, when the counter reaches M:0 and D:0, the
system alarm contact is triggered and the upper right
corner of the display in Analyze mode will have the
normal "Anlz"replaced by "MAINT".
Note: The system alarm can be reset only after the timer has
been reset.
4.9 Sensor Detection
The sensor detection feature detects whether a sensor is installed in
the analyzer or not. The software checks if the output of the amplifier is
within a user-defined threshold around the electronic zero (output of the
amplifier without sensor). In the event that the sensor reads a near zero
(or below the user-defined threshold) ADC count for 30 minutes it will
trigger a system failure alarm with a corresponding message on the
Analyze screen.
In this function, the user can set the count threshold below which
the alarm will occur as well as reset the 30 minute timer back to 30
minutes.
Note: The 30 minute delay is set at the factory and cannot be
modified.
Teledyne Analytical Instruments
0.00
ppm MAINT
Range: 0 - 100
3000TB
60
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