Page 54 - PBL71 OI/AXM630-EN AZTEC 600 SS (WIRO)

Aztec 600 ISE ammonia and fluoride
Single-stream ion-selective analyzers
7.6.2 Binary Format Stream Files
A new binary format archive file is created under the following conditions:
 When the current file for the stream does not exist on the media card.
 When the maximum permissible size (5 Mb) of the existing data file is exceeded.
 When the recording channel’s configuration is changed.
 When the daylight saving period starts or ends (stream data files generated during the daylight saving period have –DS appended to the filename).
Filename Examples
Example 1 – Start of daylight saving period:
Archiving is started at 01:45:00 on 30th March 2012 – filename: 01450030Mar12Ch1_1AnlgAW633.B00.
Summertime starts at 2:00am on 30th March 2012.
The clock changes automatically to 3:00am.
The existing file is closed and a new file is created –filename: 03000030Mar12Ch1_1AnlgAW633~DS.B00.
The file '01450330Mar12Ch1_1AnlgAW633.B00' contains data generated from 01:45:00 to 01:59:59 (before summertime starts).
The file '03000030Mar12Ch1_1AnlgAW633~DS.B00' contains data generated from 03:00:00 (after summertime starts).
Example 2 – End of daylight saving period:
Archiving is started at 00:15:00 on 26th October 2012 – filename: 00150026Oct12Ch1_1AnlgAW633~DS.B00.
Summertime ends at 3:00am on 26th October 2012.
The clock changes automatically to 2:00am.
The existing file is closed and a new file is created –filename: 02000026Oct12Ch1_1AnlgAW633.B00.
The file '00150026Oct12Ch1_1AnlgAW633~DS.D00' contains data generated from 00:15:00 to 02:59:59 (before summertime ends).
The file '02000026Oct12Ch1_1AnlgAW633' contains data generated from 02:00:00 (after summertime ends).
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Note. The analyzer's internal clock can be configured to adjust automatically at the start and end of 'Daylight Saving Time' periods.
7.6.3 Binary Format Log Files
A new binary format log file is created under the following conditions:
 When an existing (valid) binary file does not exist on the media card.
 When the maximum size (64000 entries) is exceeded.  When the daylight saving period starts or ends.
7.6.4 Daylight Saving
Files containing data generated during the daylight saving period have '~DS' appended to the filename – see Section 7.5.4, page 49 for examples of appended filenames.
7.6.5 Binary Format Data Verification and Integrity
When data is saved to the archive media it is checked automatically to verify that the data stored on the media matches exactly what is stored in the internal memory.
Each block of data in the channel data files has its own data integrity check. This enables the integrity of the data stored on the external media card to be verified when it is viewed using ABB's DataManager Pro software package.
The log files also contain built-in integrity checks enabling the integrity of the data to be verified by the DataManager Pro software.
Note. Binary format archive files created during the daylight saving period (summertime) are compatible with the database feature of Version 5.8 (or later) only of ABB's DataManager Pro data analysis software package.