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Calibration Procedures Teledyne API M100E Analyzer Operation Manual
186
8.8. AUTOMATIC CALIBRATION (AUTOCAL)
The AutoCal system allows unattended, periodic operation of the zero/span valve options by using the analyzer’s
internal time of day clock. AutoCal operates by executing user-defined sequences to initiate the various
calibration modes of the analyzer and to open and close valves appropriately. It is possible to program and run
up to three separate sequences (SEQ1, SEQ2 and SEQ3). Each sequence can operate in one of three modes or
be disabled.
Table 8-2: AutoCal Modes
MODE ACTION
DISABLED
Disables the sequence
ZERO
Causes the sequence to perform a zero calibration or check
ZERO-SPAN Causes the sequence to perform a zero and span concentration
calibration or check
SPAN Causes the sequence to perform a span concentration calibration or
check
Each mode has seven parameters that control operational details of the sequence.
Table 8-3: AutoCal Attribute Setup Parameters
ATTRIBUTE NAME ACTION
Timer Enabled
Turns on the Sequence timer
Starting Date
Sequence will operate on Starting Date
Starting Time
Sequence will operate at Starting Time
1, 2
Delta Days
Number of days to skip between each sequence
Delta Time
Incremental delay on each Delta Day that the sequence starts.
Duration
Duration of the sequence in minutes
Calibrate
Enable to do dynamic zero/span calibration, disable to do a cal check only.
This must be set to OFF for units used in US EPA applications and with IZS
option installed.
1
The programmed STARTING_TIME must be a minimum of 5 minutes later than the real time clock (refer
to Section 6.6 for setting real time clock).
2 Avoid setting two or more sequences at the same time of the day. Any new sequence which is initiated
whether from a timer, the COMM ports, or the contact closure inputs will override any sequence which
is in progress.
NOTE
If at any time an illegal entry is selected (Example: Delta Days > 367) the ENTR key will disappear from
the display.
04515F DCN6048