Chapter 02 MRG 604 / 605 / 508 / 511 Power quality Transients Reporting Homepage 02 Graphic Programming Events MRG 604 / 605 / 508 / 511 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 Power quality • Harmonics up to the 40th (MRG 604 / 508) or 63rd (MRG 605 / 511) harmonic • Interharmonics for U and I (MRG 605 / 511) • 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 605 / 511) • Display of waveforms PLC functionality • Graphical programming • Jasic® programming language Networks • TN, TT networks • IT network (only MRG 604 / 605) • 3 and 4-phase networks • Up to 4 single-phase networks Network visualisation software • GridVis®-Basic (in the scope of supply) Accuracy of measurement • Current: 0.2 % • Voltage: 0.1 % (MRG 508 / 511) or 0.2 % (MRG 604 / 605) 91 Chapter 02 MRG 604 / 605 / 508 / 511 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 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 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 • 128 or 256 MByte • Recording range of up to 1 year (MRG 604 / MRG 508) or up to 2 years (MRG 605 / MRG 511) depending on the recording configuration • Recording freely configurable 92 Fig.: Colour graphical display – Example Harmonics analysis Chapter 02 MRG 604 / 605 / 508 / 511 Graphical programming • Comprehensive programming options (PLC functionality) • Jasic® source code programming • Sustainable functional expansions far beyond pure measurement • Complete APPs from the Janitza library 02 Scope of delivery for the MRG product range • Compact, robust plastic housing with measurement device and all connections • Supplementary description for each measurement device • Operation manual for each measurement device • CD with following content: - Programming software GridVis®-Basic - Functional description - GridVis® • Carry soft bag for accessories • Mains connection cable • 4 voltage taps with fuses (black) • 1 voltage tap with fuse (blue) • 4 voltage measurement cables • 1 measurement cable, blue (N) • 1 measurement cable, green / yellow (PE) • 8 current measurement cables • 1 Crossover patch cable, CAT5e Optional accessories: Multi-range clamp-on current transformer (100 / 200 / 300 or 250 / 500 / 1,000 or 1,000 / 2,000 / 3,000 A) Fig.: Colour graphical display – Example Voltage profile over time Fig.: Measurement connection for current transformer and voltage 93 Chapter 02 MRG 604 / 605 / 508 / 511 Device overview and technical data Item number Interfaces MRG 604 MRG 605 MRG 508 MRG 511 52.16.901 52.16.902 52.21.901 52.19.901 • • • • Ethernet 10/100 Base-TX (RJ-45 socket) Power quality measurements Harmonics per order / current and voltage 1st – 40th 1st - 63rd 1st – 40th 1st - 63rd Harmonics per order / active and reactive power 1st – 40th 1st - 63rd 1st – 40th 1st - 63rd Interharmonics - current / voltage - • - • Flicker: Short-term, long-term, present - • - • 128 MB 128 MB 256 MB 256 MB 300 V CAT III 300 V CAT III 600 V CAT III 600 V CAT III LCD display, 2 buttons LCD display, 2 buttons Measured data recording Memory (Flash) Measured voltage input Overvoltage category Displays and inputs / outputs LCD display 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 604 / 605 Colour graphical Colour graphical display 320 x 240, display 320 x 240, 256 colours, 6 buttons 256 colours, 6 buttons MRG 508 / 511 • • 0.2 0.1 0.2 0.2 Class 0.5 Class 0.2 400 400 • • 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, Ȉ L1–3,Ȉ 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 • • Operating hours measurement • • Clock • • Jasic® Jasic® Distortion factor THD-U in % • • Distortion factor THD-I in % • • Voltage unbalance • • Current and voltage, positive, zero and negative sequence component • • > 50 µs > 50 µs Other measurements Weekly timer Power quality measurements Transients Error / event recorder function • • > 20 ms > 20 ms Oscillogram function (waveform U and I) • • Under and overvoltage recording • • Short-term interruptions Measured data recording Average, minimum, maximum values • • Measured data channels 8 8 Alarm messages • • Time stamp • • Time basis average value freely user-defined freely user-defined RMS averaging, arithmetic • • Comment: For detailed technical information please refer to the operation manual and the Modbus address list. - • • = included – = not included Displays and inputs / outputs Colour display 94 Chapter 02 MRG 604 / 605 / 508 / 511 Voltage and current inputs each 4 each 4 • • 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) • • 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 • • Application programs freely programmable 7 7 Graphical programming • • Programming via source code Jasic® • • 277 / 480 V AC 417 / 720 V AC 480 V AC 600 V AC Password protection Communication Protocols 02 Software GridVis®-Basic*1 Programming / threshold values / alarm management 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 4 4 TN, TT, IT TN, TT 1 ph, 2 ph, 3 ph, 4 ph and up to 4 times 1 ph 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 10 … 600 Vrms Measured range, voltage L-L, AC (without potential transformer) 18 … 1000 Vrms 18 … 1000 Vrms Resolution 0.01 V 0.01 V Impedance 4 MOhm / phase 4 MOhm / phase 45 … 65 Hz (MRG 604) 15 … 440 Hz (MRG 605) 40 … 70 Hz (MRG 508) 15 … 440 Hz (MRG 511) Power consumption approx. 0.1 VA approx. 0.1 VA Sampling frequency 20 kHz / phase 20 kHz / phase Frequency measuring range Measured current input Rated current 5A 5A 0.1 mA 0.1 mA Measurement range 0.001 … 8.5 Amps 0.001 … 8.5 Amps Overvoltage category 300 V CAT III 300 V CAT III Resolution Measurement surge voltage 4 kV 4 kV Power consumption approx. 0.2 VA (Ri = 5 MOhm) approx. 0.2 VA (Ri = 5 MOhm) Overload for 1 sec. 100 A (sinusoidal) 120 A (sinusoidal) 20 kHz 20 kHz Sampling frequency Comment: For detailed technical information please refer to the operation manual and the Modbus address list. Mechanical properties • = included – = not included Safety *1 Optional additional functions with the packages GridVis®Professional, GridVis®Enterprise and GridVis®-Service. Weight Device dimensions in mm (H x W x D) Protection class per EN 60529 Europe approx. 2200 g approx. 6000 g approx. 270 x 124 x 246 approx. 411 x 168 x 322 IP20 IP20 CE labelling CE labelling Firmware Firmware update Update via GridVis® software. Firmware download (free of charge) from the website: http://www.janitza.com/downloads/ 95
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