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4.5.6 Archiving
Introduction
Recorded data, logs and configuration files stored in the instrument's internal memory can be archived to files created in removable
media in either text or binary encoded format. Parameters for archiving Process Group 1 are set up independently from Process
Group 2 parameters.
For a full description of archiving and archive file formats, refer to Sections 3.5 to 3.11.
Sample Rates – Fig. 4.9
If 'Configuration type' is set to 'Basic' (see Section 4.4.1), data is saved to the archive file at the same rate as it is saved to internal
memory, i.e. at either the Group's primary or secondary recording sample rate.
If 'Configuration type' is set to 'Advanced' (see Section 4.4.1), the sample rate for archiving is set independently of the recording
channel sample rates that are used for saving the data to internal memory. The archive primary and secondary sample rates can be
linked to an internal recording channel so that when that channel is switched between primary and secondary sample rate the archive
sample rate is also switched between the archive primary sample rate and the archive secondary sample rate.
Internal Memory
1.1
Primary
1.2
rate
1.3
Secondary
rate
Group Sample
Rate
Recording
Channels
A – Basic Configuration
Archive Media
Archive
1.4
Channel
1.5
Data
1.6
Archive rate is always
same as channel
sample rate. Archive
channel data is a direct
copy of channel data on
internal memory
Fig. 4.9 Archiving Sample Rates
Rate linked to channel
Primary
Secondary
Primary
Individual
channel
sample
Secondary
rates
Primary
Secondary
Select the archive file format required – Text format or Binary
format.
Notes.
• Parameters applying only to Advanced or to Basic
Configuration are identified
• The selected archive file format is applied automatically to
process groups. It is not possible to set each group to
both
different formats.
Select the data types that are to be archived to the storage
media: Channel data; Alarm event Log; Totalizer Log; Audit
Log.
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4 CONFIGURATION...
Archive
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1.1
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Archive
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1.6
B – Advanced Configuration
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69
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