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Disturbance Records
Waveform records provide network administrators important information where supply problems or
protection errors occur frequently, protection settings convenience needs to be checked or fault characteristics
are to be evaluated in detail. DEMA CPM 310 G presents the users this powerful tool with the following
characteristics.
Max. Waveform Records Quantity
5 records
Waveform Record Duration
3 s
Waveform Record Time Structure
0.4 s before trigger
2.6 s after trigger
Measurement Method
RMS current
Monitoring
DigiConnect PC program
Recording Triggers
Recording triggered either automatically by threshold triggers
or manually/semi-automatically via an input with S
tart
Waveform Recording
appointed.
Waveform records are presented as long duration and high resolution graphics therefore cannot be visualized
on the graphics display, DigiConnect PC program needs to be utilized instead.
As seen on the picture above, the initial window of waveform record controls brings up two options.
The first option is to download and display waveform records from CPM 310 G memory, using the
Download from Device
button.
The alternative option is to locate and download saved waveform record archive files from the local disc.
Waveform records can be saved to and reloaded from the local PC hard drives as .dsk format archive files.
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Summary of Contents for CPM 310 G
Page 1: ...CPM 310 G Digital Overcurrent Protection Relay User Application Manual vEN 2016 03...
Page 2: ...2...
Page 6: ...6 ABOUT DEMA...
Page 11: ...11 INTRODUCTION...
Page 32: ...32 PACKING LABELING INFORMATION...
Page 34: ...34 OPERATING MANUAL...
Page 53: ...53 RELAY MENUS MANUAL...
Page 55: ...55 The Menu Tree...
Page 56: ...56...
Page 57: ...57...
Page 58: ...58...
Page 59: ...59...
Page 60: ...60...
Page 61: ...61...
Page 128: ...128 DIGICONNECT PC PROGRAM MANUAL...
Page 189: ...189 APPLICATION DIAGRAMS...
Page 191: ...191 Sample Power Transformer Protection Application Diagram...
Page 193: ...193 FUNDAMENTAL CABLING DIAGRAM...
Page 203: ...203 APPLICATION DIAGRAM NO 10 RS485 Cabling...
Page 204: ...204 TECHNICAL DATA...
Page 220: ...220 GLOSSARY...