Campbell CR1000, Руководство оператора

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Section 10. Troubleshooting
Table 130. Warning Message Examples
Message Meaning
Warning: Internal Data Storage Memory
was re-initialized.
Sending a new program has caused final-
memory to be re-allocated. Previous data are no
longer accessible.
Warning: Machine self-calibration failed.
Indicates a problem with the analog
measurement hardware during the self
calibration. An invalid external sensor signal
applying a voltage beyond the internal ± 8 Vdc
supplies on a voltage input can induce this error.
Removing the offending signal and powering up
the logger will initiate a new self-calibration. If
the error does not occur on power-up, the
problem is corrected. If no invalid external
signals are present and / or self-calibration fails
again on power-up, the CR1000 should be
repaired by a qualified technician.
Warning: Slow Seq 1, Scan 1, will skip
scans if running with Scan 1
SlowSequence scan rate is <= main scan rate.
This will cause skipped scans on the
SlowSequence .
Warning: Table [tablename] is declared
but never called.
No data will be stored in [tablename] because
there is no
CallTable()
instruction in the
program that references that table.
Warning: Units:
a_units_name_that_is_more_than_38_char
a... too long will be truncated to 38 chars.
The label assigned with the Units argument is
too long and will be truncated to the maximum
allowed length.
Warning: Voice word TEH is not in
Voice.TXT file
The misspelled word TEH in the VoiceSpeak()
instruction is not found in Voice.TXT file and
will not be spoken by the voice modem.
10.5.4.2 SkippedScan
Skipped scans are caused by long programs with short scan intervals, multiple
Scan() / NextScan instructions outside a SubScan() or SlowSequence , or by
other operations that occupy the processor at scan start time. Occasional skipped
scans may be acceptable but should be avoided. Skipped scans may compromise
frequency measurements made on terminals configured for pulse input. The error
occurs because counts from a scan and subsequent skipped scans are regarded by
the CR1000 as having occurred during a single scan. The measured frequency
can be much higher than actual. Be careful that scans that store data are not
skipped. If any scan skips repeatedly, optimization of the datalogger program or
reduction of on-line processing may be necessary.
Skipped scans in Pipeline Mode indicate an increase in the maximum buffer depth
is needed. Try increasing the number of scan buffers (third parameter of the
Scan() instruction) to a value greater than that shown in the MaxBuffDepth
register in the Status table.
10.5.4.3 SkippedSlowScan
The CR1000 automatically runs a slow sequence to update the calibration table.
When the calibration slow sequence skips, the CR1000 will try to repeat that step
of the calibration process next time around. This simply extends calibration time.
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