= Fault Recorder = = '''Techinical information''' = LogicLab RTEMS-based fault recorder characteristics '''Power supply''' Power Supply (Vaux): 110V DC ± 20% (more options available) Power request: 40W Voltage dips and short interruptions Insensitive to 100% of Vaux for 50 ms (min) Insensitive to 50% of Vaux for 100ms (min) ---- '''Dimensions''' Height: 9HE Width: 19" Depth: 31 cm ---- '''Current inputs''' 24 isolated noise-free channels Isolation on single channel at 3000V DC (1 min) Sampling frequency: 7,2 KHz Bandwidth (-3 dB): DC (0 Hz) ÷ 3,5 KHz Flat band (±0,005 dB): DC (0 Hz) ÷ 3,25 KHz Stop band attenuation: >100 dB Nominal Current (In): 1Arms / 5Arms Full-scale: 30?In Range of measure: 0,01?In ÷ 30?In Full-scale setup by software command Point error: < 0,5% Overload permanent: 40A Overload transitory: 150A (for 1 s) Input impedance: 1,5 mohm (purely resistive) Absorbed power (1A): 1,5 mVA @ In Absorbed power (5A): 37,5 mVA @ In Resolution (ENOB): 16 bit noise-free signal-noise ratio: 92 dB Cross-over: < -92 dB ---- '''Voltage inputs''' 8 isolated noise-free channels Isolation on single channel at 3000V DC (1 min) Sampling frequency: 7,2 KHz Bandwidth (-3 dB): DC (0 Hz) ÷ 3,5 KHz Flat band (±0,005 dB): DC (0 Hz) ÷ 3,25 KHz Stop band attenuation: >100 dB Full-scale (Pn): 100Vrms / 200Vrms / 700Vrms Field of measure: 14 mVrms ÷ 100 Vrms @ Pn=100 Vrms 28 mVrms ÷ 200 Vrms @ Pn=200 Vrms 0,1 Vrms ÷ 700 Vrms @ Pn=700 Vrms Full-scale setup by software command Point error: < 0,5% Input impedance: 330 kohm (purely resistive) Absorbed power: 480 mVA @ 400V Resolution (ENOB): 16 bit noise-free signal-noise ratio: 92 dB Cross-over: <-86 dB ---- '''Digital inputs''' 128 isolated channels Isolation on single channel at 3000V DC (1 min) Input voltage (min): 18V Input voltage (max): 140V Time resolution: 1 ms ---- '''Communication''' Ethernet 10/100 Mbit/s Configurable as knot of a net LAN/WAN 1 RS232 (19.200 fixed bauds) – frontal side 1 RS232 (until 115.200 bauds) – back side Remote connection with analog modem 3 RS232 for custom applications Isolated communication ports (Ethernet: 1500 Vrms Serials: 2500 Vrms) Connector for satellite antenna ---- '''Signal relay''' Out of order Recording in progress ---- '''Elaboration''' 32 bit multiprocessor (4 ColdFire MCF5272processor) system Realtime operating system RTEMS 32 MByte Flash memory 128 Mbyte DRAM RTC with GPS synchronization ---- '''Fault Recording''' Recording in flash memory Recording maximum time: 250 s Maximum number of recordings: 180 Pre-fault time: 50 ms ÷ 1 s Fault time: 100 ms ÷ 60 ses Post-fault time: 100 ms ÷ 1 s Possibility of prolongation recording Maximum duration recording: 150 s Analog Trigger on threshold (max, min, gradient) Trigger on digital transitions GPS based time tag events (Precision: 1 µs - Resolution: 1 ms) ---- '''Normative conformity''' IEC 61000 – 4 – 2 (Level 3) IEC 61000 – 4 – 3 (Level 3) IEC 61000 – 4 – 4 (Level 3) IEC 61000 – 4 – 5 (Level 4) IEC 61000 – 4 – 6 (Level 3) IEC 61000 – 4 – 8 (Level 5) IEC 61000 – 4 – 10 (Level 3) IEC 61000 – 4 – 12 (Level 3) IEC 61000 – 4 – 16 (Level 4) IEC 61000 – 4 – 17 (Level 3) IEC 61000 – 4 – 29 (Level 3) ENEL DV1047A2-NC ENEL REMC01 ENEL REMC02 ENEL RMEC01 ENEL RCLI01 ENEL LV27 ENEL LV29 ENEL DV1500 ENEL DV1501 A ENEL DN7600 CEI 45-5 CEI 70-1 IP30 (front) IP20 (case) COMTRADE standard IEEE Std C37.111-1991 = '''Firmware Architecture''' = ''In progress...'' = '''Link''' = Product brochure: [English: http://www.logiclab.it/DV947_file/Fault%20recorder%20LogicLab.pdf] [Italian: http://www.logiclab.it/DV947_file/BrochureOscilloperturbografo.pdf] Italian site: [LogicLab: http://www.logiclab.it] [PowerProbe: http://www.logiclab.it/it/DV947.htm] RTEMS related page: [wiki:TBR/UserApp/LogicLab_S.r.l. LogicLab S.r.l.] [wiki:TBR/UserApp/PowerProbe PowerProbe]