MRG 508 / 511 Flex Power quality Transients Reporting Homepage Graphic Programming Events ✔ Communication • Ethernet (TCP/IP) via patch cable • Modbus (RTU, TCP, Gateway) • HTTP (Homepage) • FTP (file transfer) • SNMP • TFTP • NTP (time synchronisation) • SMTP (email function) • DHCP Interfaces • Ethernet 10/100 Base TX Accuracy of measurement • Current: 0.2 % • Voltage: 0.1 % MRG 508 / 511 Flex Power quality • Harmonics up to the 40th (MRG 508 Flex) or 63rd (MRG 511 Flex) harmonic • Interharmonics for U and I • Distortion factor THD-U / THD-I / TDD • Measurement of positive, negative and zero sequence component • Direction of rotation field • Voltage crest factor • Acquisition of short-term interruptions (> 20 ms) • Transient recorder (> 50 μs) • Starting currents (from 20 ms) • Unbalance • Flicker measurement per EN 61000-4-15 (only MRG 511 Flex) • Display of waveforms PLC functionality • Graphical programming • Jasic® programming language Networks • TN, TT networks • 3 and 4-phase networks • Up to 4 single-phase networks Network visualisation software • GridVis®-Basic (in the scope of supply) Rogowski coil • 100 – 4.000 A Buffered UPS • Up to 5 hrs 1 MRG 508 / 511 Flex Areas of application • High quality PQ analysis at class A level (IEC 61000-4-30) • Temporary measurement e.g. for the design of power factor correction systems • Analysis of electrical disturbances in the event of PQ problems • Fault analysis with power quality problems • High quality comparative measurement of energy measurement devices and meters • Calibration of measurement devices (ISO 50001 audit) Main features • Monitoring of the power quality • Capturing of all power quality parameters (harmonics, shortterm interruptions, asymmetries etc.) • Remote access via Ethernet and embedded web server • GridVis® PQ analysis software • Standard PQ reports: EN 50160 , IEEE519, ITIC, EN 61000-2-4 • Cost centre report • Large 128 / 256 MB internal memory for storing measurement data • UPS-supported power supply for up to 5 hours Fig.: UMG 511 measuring case, voltage supply MRG 508 / 511: User-friendly, colour graphical display with intuitive user guidance • High resolution graphics display • User-friendly, self-explanatory and intuitive operation • Clear and informative representation of online graphs and further power quality events Modern communications architecture via Ethernet • Ethernet interface and web server • Faster, better cost-optimised and more reliable communication system • High flexibility due to the use of open standards Large measurement data memory • 256 MByte • Recording range of up to 2 years, depending on the recording configuration • Recording freely configurable 2 Fig.: Colour graphical display – Example Harmonics analysis MRG 508 / 511 Flex Graphical programming • Comprehensive programming options (PLC functionality) • Jasic® source code programming • Sustainable functional expansions far beyond pure measurement • Complete APPs from the Janitza library Scope of delivery for the MRG product range • Compact, robust plastic housing with measurement device and all connections • UPS-supported power supply for up to 5 hours • Supplementary description for each measurement device • Operation manual for each measurement device • DVD with following content: - Programming software GridVis®-Basic - Functional description - GridVis® • Carry soft bag for accessories • Mains connection cable • 1 Crossover patch cable, CAT5e • 1 set of voltage measuring cables with fuses (brown, black, grey, blue, green/yellow) • 5 voltage tap-offs • 3 voltage tap-offs with magnet for fuse connection Fig.: Colour graphical display – Example Voltage profile over time Fig.: Measurement connection for current transformer and voltage; auxiliary voltage and ethernet connection Optional accessories: Rogowski coil Ø 95 mm, length 300 mm, weight 190 g with connector for MRG 508 Flex / MRG 511 Flex Item number: 15.03.604 Rogowski coil Ø 190 mm, Length 600 mm, weight 195 g with connector for MRG 508 Flex / MRG 511 Flex Item number: 15.03.605 Fig.: Rogowski coil with connector for MRG 3 MRG 508 / 511 Flex Device overview and technical data MRG 508 Flex MRG 511 Flex 52.21.902 52.19.904 • • Harmonics per order / current and voltage 1st – 40th 1st - 63rd Harmonics per order / active and reactive power 1st – 40th 1st - 63rd Interharmonics - current / voltage - • Flicker: Short-term, long-term, present - • 256 MB 256 MB 600 V CAT III 600 V CAT III Item number Interfaces Ethernet 10/100 Base-TX (RJ-45 socket) Power quality measurements Measured data recording Memory (Flash) Measured voltage input Overvoltage category Displays and inputs / outputs LCD display Colour graphical Colour graphical display 320 x 240, display 320 x 240, 256 colours, 6 buttons 256 colours, 6 buttons General Use in low and medium voltage networks Accuracy voltage measurement Accuracy current measurement Accuracy active energy (kWh, …/5 A) Number of measurement points per period Uninterrupted measurement MRG 508 / 511 Flex • 0.1 0.2 Class 0.2S 400 • RMS - momentary value Current, voltage, frequency • Active, reactive and apparent power / total and per phase • Power factor / total and per phase • Energy measurement Active, reactive and apparent energy [L1, L2, L3, L4, Σ L1–3,Σ L1–4] • Recording of the mean values Voltage, current / actual and maximum • Active, reactive and apparent power / actual and maximum • Frequency / actual and maximum • Demand calculation mode (bi-metallic function) / thermal • Other measurements Operating hours measurement Clock Weekly timer • • Jasic® Power quality measurements Distortion factor THD-U in % • Distortion factor THD-I in % • Voltage unbalance • Current and voltage, positive, zero and negative sequence component Transients Error / event recorder function Short-term interruptions • > 50 µs • > 20 ms Oscillogram function (waveform U and I) • Under and overvoltage recording • Measured data recording Average, minimum, maximum values • Measured data channels 8 Alarm messages • Time stamp • Time basis average value freely user-defined RMS averaging, arithmetic • Displays and inputs / outputs Colour display 4 • Comment: For detailed technical information please refer to the operation manual and the Modbus address list. • = included – = not included MRG 508 / 511 Flex Voltage and current inputs Password protection each 4 • Communication Protocols Modbus RTU, Modbus TCP, Modbus RTU over Ethernet • HTTP (homepage configurable) • SMTP (email) • NTP (time synchronisation) • TFTP • FTP (File-Transfer) • SNMP • DHCP • TCP/IP • BACnet (optional) • ICMP (Ping) • Software GridVis®-Basic*1 Online graphs • Historical graphs • Databases (Janitza DB, Derby DB); MySQL, MS SQL with higher GridVis® versions) • Manual reports (energy, power quality) • Graphical programming • Topology views • Manual read-out of the measuring devices • Graph sets • Programming / threshold values / alarm management Application programs freely programmable 7 Graphical programming • Programming via source code Jasic® • Technical data Nominal voltage, three-phase, 4-conductor (L-N, L-L) Nominal voltage, three-phase, 3-conductor (L-L) Measurement in which quadrants Networks Measurement in single-phase/multi-phase networks 417 / 720 V AC 600 V AC 4 TN, TT 1 ph, 2 ph, 3 ph, 4 ph and up to 4 times 1 ph Measured voltage input Measured range, voltage L-N, AC (without potential transformer) 10 … 600 Vrms Measured range, voltage L-L, AC (without potential transformer) 18 … 1000 Vrms Resolution 0.01 V Impedance 4 MOhm / phase Frequency measuring range 40 … 70 Hz (MRG 508) 15 … 440 Hz (MRG 511) Power consumption approx. 0.1 VA Sampling frequency 20 kHz / phase Measured current input Rated current Resolution 5A 0.1 mA Measurement range 0.001 … 8.5 Amps Overvoltage category 300 V CAT III Measurement surge voltage 4 kV Power consumption approx. 0.2 VA (Ri = 5 MOhm) Overload for 1 sec. 120 A (sinusoidal) Sampling frequency 20 kHz Mechanical properties Comment: For detailed technical information please refer to the operation manual and the Modbus address list. Weight • = included – = not included Safety *1 Optional additional functions with the packages GridVis®-Professional, GridVis®-Enterprise and GridVis®-Service. Firmware Device dimensions in mm (H x W x D) Protection class per EN 60529 Europe approx. 6000 g approx. 411 x 168 x 322 IP20 CE labelling Firmware update 5 Smart Energy & Power Quality Solutions Janitza electronics GmbH Vor dem Polstück 1 D-35633 Lahnau Germany Sales partner Tel.: +49 6441 9642-0 Fax: +49 6441 9642-30 [email protected] www.janitza.com Version 01/2015 • Subject to technical alterations.
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