UMG 103_GB.indd
UMG 103
GridVis®
Analysis software
Harmonics
Measurement accuracy 0.5
Modbus interface
UMG 103 – Universal measurement device for DIN rails
Communication
• Protocols: Modbus RTU / Slave
Interface
• RS485
Accuracy of measurement
• Energy: Class 0.5 (… / 5 A)
• Current: 0.5 %
• Voltage: 0.2 %
Power quality
• Harmonics up to 25th order,
odd harmonics
• Unbalance
• Distortion factor THD-U
• Distortion factor THD-I
Networks
• TN, TT networks
Network visualisation software
• GridVis®-Basic (in the scope of supply)
UMG 103
Areas of application
• Measurement and checking of electrical characteristics
and energy consumption in energy distribution systems
• Cost centre management
• Threshold value monitoring, measured value transducer
for building management systems or PLC
• Monitoring of harmonics
Main features
Power quality
• Harmonics analysis up to 25th harmonic, odd harmonics
• Unbalance
• Distortion factor THD-U / THD-I
• Minimum and maximum values
• Measurement of positive, negative and zero sequence component
Fig.: GridVis® – Harmonics analysis (FFT)
Features
• 3 Voltage measurement inputs (300 V CATIII)
• 3 Current measurement inputs
• 3-Phase or 3 x Single-Phase-Measurement possible
• Continuous sampling of voltage and current measurement
inputs
• Measurement of the reactive distortion power
• Sampling frequency 5.4 kHz
• Transfer of the measured values via a serial interface
• Supply voltage via measurement voltage L1-N, L2-N and L3-N
Dimension diagrams
All dimensions in mm
46 mm
Front view
2
Side view
Fig.: GridVis® – Device dashboard with energy
analysis
UMG 103
Typical connection
Measuring and
power supply voltage
Current measurement
Device overview and technical data
UMG 103
Item number
52.18.001
Item number (UL)
Measured voltage (L-N/L-L)
Operating voltage (from 3-phase network)
52.18.011*1
240 / 415 V AC *1
80 ... 240 V AC
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
•
0.2 %
0.5 %
Class 0.5
108
•
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, ∑ L1-L3]
•
Number of tariffs
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
•
Comment: For detailed technical information please refer to the operation manual and the Modbus address list.
• = included - = not included
*1UMG 103 (UL) item number 52.18.011: Rated voltage L-N 100 ... 127 V AC; Metering range L-N 25 ... 127 V AC;
Metering range L-L 44 ... 240 V AC.
3
UMG 103
Other measurements
Operating hours measurement
•
Ethernet
Power quality measurements
Harmonics per order / current
1st – 25th
Harmonics per order / voltage
1st – 25th
Distortion factor THD-U in %
•
Distortion factor THD-I in %
•
Current and voltage, positive, zero and negative sequence component
•
Switch
Ethernet
Measured data recording
Online readout with GridVis®
•
Average, minimum, maximum values
•
Voltage and current inputs
each 3
UMG 103
RS485
UMG 604
Communication
Interfaces
RS485: Autobaud, 9.6 – 115.22 kbps (Screw-type terminal)
•
Fig.: Connection of multiple UMG 103s to a PC via
a UMG 604 (with Ethernet option)
Protocols
Modbus RTU
•
Software GridVis®-Basic*2
Online graphs
•
Databases (Janitza DB, Derby DB); MySQL, MS SQL with higher GridVis® versions)
•
Manual reports (energy, power quality)
•
Topology views
•
Manual read-out of the measuring devices
•
Graph sets
•
Interface converter
RS232 / RS485 or
USB / RS485
UMG 103
Programming / threshold values / alarm management
Comparator (2 Groups with 3 comparators each)
•
Technical data
Type of measurement
Constant true RMS
up to 25th harmonic
Nominal voltage, three-phase, 4-conductor (L-N, L-L)
240 / 415 V AC *3
Measurement in quadrants
4
Networks
TN, TT
Measured voltage input
Overvoltage category
300 V CAT III or 150 V CAT III (UL)
Measured range, voltage L-N, AC
(without potential transformer)
80 … 240 Vrms
Measured range, voltage L-L, AC
(without potential transformer)
80 … 415 Vrms
Resolution
0.01 V
Frequency measuring range
45 ... 65 Hz
Power consumption
max. 4 VA
Sampling frequency
5.4 kHz / phase
Fig.: Connection of a UMG 103 to a PC via
an interface converter
Measured current input
Rated current
5A
Resolution
0.1 mA
Measurement range
0.001 … 6 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.
60 A (sinusoidal)
Sampling frequency
5.4 kHz / phase
Mechanical properties
Weight
150 g
Device dimensions in mm (H x W x D)
approx. 98 x 71.5 x 46
Protection class per EN 60529
IP20
Assembly per IEC EN 60999-1 / DIN EN 50022
35-mm DIN rail
Connecting phase (U / I),
Single core, multi-core, fine-stranded
Terminal pins, core end sheath
0.08 to 2.5 mm²
1.5 mm²
*2 Optional additional functions with the packages
GridVis®-Professional, GridVis®-Enterprise and
GridVis®-Service.
3
* UMG 103UL Item number 52.18.011: Nominal voltage,
three-phase, 4-conductor (L-N, L-L): 127 / 220 V AC
Temperature range
Operation: K55 (-10 ... +55 °C)
Comment: For detailed technical information please refer
to the operation manual and the Modbus address list.
Relative humidity
Operation: 5 to 95 % (at 25 °C)
Operating height
0 ... 2,000 m above sea level
Degree of pollution
2
Installation position
user-defined
Environmental conditions
4
• = included - = not included
UMG 103
Electromagnetic compatibility
UMG 604
LVDS
Kitchen
Electrical appliances for application
within particular voltage limits
Directive 2006/95/EC
Safety requirements for electrical
equipment for measurement, regulation, control
and laboratory use –
Part 1: General requirements
IEC/EN 61010-1
Part 2-030: Particular requirements for
testing and measuring circuits
IEC/EN 61010-2-030
Noise immunity
UMG 103
Office
Directive 2004/108/EC
Equipment safety
Modbus / RS485
UMG 103
Electromagnetic compatibility of
electrical equipment
Lift
Fig.: Topology example UMG 604 (Master) –
UMG 103 (Slave)
Industrial environment
IEC/EN 61326-1
Electrostatic discharge
IEC/EN 61000-4-2
Voltage dips
IEC/EN 61000-4-11
Emissions
Class A: Residential environment
IEC/EN 61326-1
RFI Field Strength 30 – 1,000 MHz
IEC/CISPR11/EN 55011
Radiated interference voltage 0.15 – 30 MHz
IEC/CISPR11/EN 55011
Safety
Europe
CE labelling
USA and Canada
UL variants available
Firmware
Firmware update
Update via GridVis® software.
Firmware download (free of charge)
from the website:
http://www.janitza.com/downloads/
Comment:
For detailed technical information please refer to the operation manual and the Modbus address list.
• = included - = not included
5
UMG 103
GridVis® software
Ethernet
13.8 kV
13.8 kV
Ethernet switch
T-3 1000 kVA
T-4 1000 kVA
Ethernet
UMG 604E
UMG 604E
400 V / 50 Hz
RS485 Modbus
UMG 103
2
UMG 103
1
UMG 103
3
UMG 103
4
400 V / 50 Hz
RS485 Modbus
UMG 103
1
UMG 103
2
UMG 103
3
Fig.: Typical application illustration, here with 2 supplies
6
UMG 103
4
... 31
Smart Energy &
Power Quality Solutions
Janitza electronics GmbH
Vor dem Polstück 1
D-35633 Lahnau
Deutschland
Marketing partners
Tel.: +49 6441 9642-0
Fax: +49 6441 9642-30
[email protected]
www.janitza.com
Edition 03/2014 • All rights to technical changes are reserved.
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