Qualitrol INFORMA PMD-A User Manual page 171

Data acquisition unit
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Appendix B – INFORMA PMD-A Functions
o No impact on 10-minute permanent recording and all other reports.
Backward time shift of more than 1 minute and less than 10 minutes:
o No impact on 10-minute permanent recording and all other reports except for free
interval histogram.
o In free interval recording, if the aggregation duration is configured for less than 10
minutes, the recording will be restarted with a new segment once the device time
reaches the current recording time. If the aggregation duration is more than 10
minutes, then free interval recording will discard the data until the device time
reaches the current recording time and will not break segments.
o Free interval histogram report will be restarted at the next 10-minute boundary; till
then, all recorded data will be discarded.
Backward time shift of more than 10 minutes:
The device will not record data until the device time reaches the current recording time.
PQ recording will restart with the new segment once the device time reaches the
current recording time. For example, suppose the current device time is 11:30 and the
user has changed the time back to 9:30. The device will not record data until the
device time is 11:30; this helps the user not to lose recorded data from the device
accidentally because of the changed time. However, if the user wishes to start
recording the data with the backward shifted time (9:30 in this case), then the following
steps need to be performed:
1. Save all available data from the device to the iQ+ server.
2. Access the Causeway Web server software by entering the following URL:
<http://192.168.35.242/cgi-bin/delrecs.cgi>
Note
192.168.35.242 is the device IP address.
The following Web page is displayed.
164
www.qualitrolcorp.com

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