Reference: A938
Index: B
Page 34
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Instruction Manual – NPS914 Alarm and Indication IED
• "Analog channel samples" determines the sample rate of analog channels, and it can be selected to
be 8/16/32/62 samples per cycle.
• "Digital channel sample" displays the sample rate in a digital channel; this is a fixed 5 ms.
• "Pre-triggering time" can be selected between 0.1…15.0 s.
• The IED can record up to 20 analog channels that can be selected from the twenty (20) available
channels. Every measured current or voltage signal can be selected to be recorded.
• Enabling "Auto. get recordings" allows the device to automatically upload recordings to the
designated FTP folder (which, in turn, allows any FTP client to read the recordings from the IED's
memory).
• "Rec. digital channels" is a long list of the possible digital channels that can be recorded
(including primary and secondary amplitudes and currents, calculated signals, TRMS values,
sequence components, inputs and outputs, etc.).
Device diagnostics
Figure. 3.6. - 35. Device diagnostics submenu.
The
Device Diagnostics
submenu gives a detailed feedback of the device's current condition. It also shows
whether option cards have been installed correctly without problems. If you see something out of the ordinary
in the
Device diagnostics
submenu and cannot reset it, please contact the closest representative of the
manufacturer or the manufacturer of the device itself.
