MRG 508 / 511 Flex MRG 508 / 511 Flex

MRG 508 / 511 Flex MRG 508 / 511 Flex
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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