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Summary of Contents for janitza UMG 96-EL
- Page 1 Energy Analyzer UMG 96-EL as of firmware version 1.0.0 User manual and technical data Janitza electronics GmbH Vor dem Polstück 6 35633 Lahnau | Germany Support: +49 6441 9642-22 info@janitza.com | www.janitza.com...
- Page 2 UMG 96-EL www.janitza.com UMG 96-EL Compact energy analyzer with Ethernet Doc. no. 2.067.005.1.b 03/2025 The German version is the original version of the documentation.
- Page 3 Nonetheless, we wish to point out that updates of this document are not always possible at the same time as technical refinements are implemented in our products. Information and specifi- cations are subject to change without notice. Please check for the latest version at www.janitza.com. Information about the GridVis software.
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Page 4: Table Of Contents
UMG 96-EL www.janitza.com TABLE OF CONTENTS 1. Information on the device and the user manual ..........8 Disclaimer . - Page 5 UMG 96-EL 6. Grid systems ............... 22 7.
- Page 6 UMG 96-EL www.janitza.com 11. Configuration ..............42 11.1...
- Page 7 UMG 96-EL 16. Procedure in the event of a malfunction ..........61 17.
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Page 8: Information On The Device And The User Manual
Copyright notice Furthermore, online help for the GridVis software is available at wiki.janitza.com. © 2025 - Janitza electronics GmbH - Lahnau. All rights reserved. The illustrations and figures in this user manual may differ from the actual state of the device delivered! Any reproduction, processing, distribution or other use, in whole or in part, is prohibited. -
Page 9: Defective Device/Disposal
· When doing so, please bear the terms for transpor- tation in mind. INFORMATION Please return defective or damaged devices to Janitza electronics GmbH in accordance with the shipping instructions for air or road freight (complete with accessories). Observe special regulations for devices with built-in... -
Page 10: Safety
UMG 96-EL www.janitza.com Safety The chapter on Safety contains information which Product safety must be observed to ensure your personal safety The device reflects current engineering practice and and avoid material damage. accepted safety standards, but hazards can none- theless arise. -
Page 11: Dangers When Handling The Device
· Hazardous voltages can be present in all circuitry material damage! parts that are connected to the power supply. · Do not use Janitza measurement devices or com- · Protect wires, cables and devices with a suitable ponents for critical switching, control or protection... -
Page 12: Electrically Qualified Personnel
UMG 96-EL www.janitza.com Electrically qualified personnel Warranty in the event of damage To avoid bodily injury and material damage, only Any unauthorized tampering with or use of the electrically qualified personnel are permitted to work device constitutes "misuse" and/or "negligence" on the devices and their components, modules, under the product’s warranty and thus voids the... - Page 13 UMG 96-EL CAUTION Risk of injury or damage to the meter due to high measurement currents at the connections of the current transformers! High measurement currents can cause temperatures of up to 80 °C (176 °F) on the connections of the current transformers ·...
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Page 14: Product Description
UMG 96-EL www.janitza.com Product description Device description Incoming goods inspection The measurement device is a multifunctional network Safe and trouble-free operation of this device and its analyzer that: components presupposes proper transport, proper · Is designed to measure the power quality in storage, set-up and assembly as well as operation low-voltage systems. -
Page 15: Intended Use
· Continuous sampling of the voltage and current tion, operation and maintenance. measurement inputs · Harmonics: Measurement of the 1st to Furthermore, please note that Janitza measurement 40th harmonics for U and I devices and components are not to be used for ·... -
Page 16: Conformity Declaration
· Connect the device and the radio/television receiver scribed on the delivery note. in different circuits. · if necessary, contact Janitza support or a radio/ television technician. Code of Federal Regulations, Title 47, Part 15, Sub- part B - Unintentional Radiators. -
Page 17: Measuring Method
The device measures The GridVis software (download at · Continuously and calculates all effective values www.janitza.com) is the perfect tool for configuring, using in a 200 ms interval. reading and analyzing measurement data. · The true RMS value (TRMS) of the voltages and currents applied to the measurement inputs. -
Page 18: Structure Of The Device
UMG 96-EL www.janitza.com Structure of the device Front panel - Display and controls Fig. Front view of UMG 96-EL Item Function/Designation QR code (link to the website of the device) Device type Display Button 1: "" · Forward: press briefly · Backward: long press... -
Page 19: Rear Of The Device - Connections
UMG 96-EL Rear of the device - Connections Fig. Rear view of UMG 96-EL Item Function/Designation Ethernet port RJ45 Symbol, protection class II (reinforced or double insulation) according to IEC 60536 (VDE 0106, Part 1) Connection of supply voltage and functional earth Voltage measurement inputs V 1 to V 3 and V N Warning symbol indicating an electrical hazard. -
Page 20: Rating Plate
UMG 96xxx 10H • 000 1234567 XXXX/XXXX Aux: 90..277V, 50/60Hz 90..250V 4,5VA Made in Germany • www.janitza.com Item Designation Description · Supply voltage, AC in V · Nominal frequency in Hz Operational data · Supply voltage, DC in V · Power consumption in VA ·... -
Page 21: Mounting
UMG 96-EL Mounting Installation location Securing Secure the device inside the switchboard (mounting DANGER plate) with the fastening clips on the side. To do so, proceed as follows: Danger of electric shock! Electric shocks lead to serious injuries, including death. -
Page 22: Grid Systems
UMG 96-EL www.janitza.com Grid systems Grid systems and maximum rated voltages according to DIN EN 61010-1/A1: Single-phase 2-conductor Three-phase 4-conductor Three-phase 3-conductor systems systems systems with grounded neutral conductor with grounded neutral conductor with grounded phase (TN/TT) (TN/TT) (TN/TT) : 277 V / 480 V : 480 V... -
Page 23: Installation
66 V / 115 V death or to material damage! 120 V / 208 V · Do not use the outputs of the Janitza measure- ment devices or their components for switching 127 V / 220 V protective devices or protective relays! Do not 220 V / 380 V... -
Page 24: Three-Phase Three-Conductor System
UMG 96-EL www.janitza.com 7.1.2 Three-phase three-conductor system Supply voltage Networks and nominal voltages suitable for your de- vice: WARNING Risk of injury due to electrical voltage! Severe bodily injury or death can result from: 100 V · Touching bare or stripped leads that are ener- 120 V... - Page 25 UMG 96-EL CAUTION PE/FE Material damage due to disregard of the con- nection instructions! 1) Fuse (UL/IEC listed) Disregard of the connection instructions can dam- 2) Isolation device (disconnect age or destroy your device. switch or circuit breaker) Therefore please abide by the following: ·...
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Page 26: Voltage Measurement
UMG 96-EL www.janitza.com Voltage measurement 7.4.1 Voltage transformers There are 3 voltage measurement inputs (V1 to V3) If the nominal network voltage exceeds the measur- on the rear of the device. ing range, use voltage transformers and configure the device's transformer ratio accordingly. -
Page 27: Connection Variants For Voltage Measurement
UMG 96-EL 7.4.3 Connection variants for voltage measurement 3p 4w 3p 4wu 3p 4u (addr. 509 = 0, factory setting) (addr. 509 = 1) (addr. 509 = 2) Measurement via voltage transformer with Measurement with 3 phase conductors Measurement with 3 phase conductors 3 phase conductors and neutral conduc- without neutral conductor. -
Page 28: Frequency
UMG 96-EL www.janitza.com Connection variant “Voltage measurement with 7.4.4 Frequency functional earthing (FE)” The device: · Requires the mains frequency for the measurement For a measurement in a grounded 3-phase system and calculation of measured values. without N, connect the PE as a functional earth (FE) ·... -
Page 29: Current Measurement
UMG 96-EL Current measurement WARNING The device: Risk of injury due to electrical voltage at current · Is designed for the connection of current transform- transformers! ers with secondary currents of ../1 A and ../5 A. Current transformers which are operated exposed ·... -
Page 30: Connection Variants For Current Measurement
UMG 96-EL www.janitza.com 7.5.1 Connection variants for current measurement 3p 4w 3p 2i 3p 2i0 (addr. 510 = 0, factory setting) (addr. 510 = 1) (addr. 510 = 2) System with equal loading of the phases. Measurement in three-phase 3-conductor Measurement with 3 phase conductors and Measured values of current measurement system. -
Page 31: Current Direction
UMG 96-EL WARNING Example: The current is measured via two current trans- Risk of injury or damage to the meter due to high measurement currents at the connections of the formers. Both current transformers have a ratio of current transformers! 1000/5 A. -
Page 32: Connection And Pc Connections
UMG 96-EL www.janitza.com Connection and PC connections Ethernet port · Use at least CAT5 cable! · Make the network settings for the device in accor- You can use the Ethernet interface to connect the dance with the network administrator's specifica- device directly to a PC (e.g. for device configuration tions. -
Page 33: Gridvis Quick Guide
Ports used When setting the firewall, please note that the mea- surement device uses the following ports: Port Meaning Modbus Standard: automatic switching between typical displays Identity Port 1111 Janitza's own discovery service to find devices on the network. -
Page 34: Operation And Button Functions
UMG 96-EL www.janitza.com Operation and button functions Operation Maximum value (for active energy: consumption) The device displays measured values and program- Min. value (for active energy: delivered) ming data on a liquid crystal display (LCD). Average value Buttons 1 and 2 are used for operation with the fol-... -
Page 35: Button Functions
UMG 96-EL Button functions Display mode Programming mode Change mode: Press simultaneously Password Browse Browse Programming menu Measuring displays Prg 6 Prg 5 Prg 4 Press Press briefly briefly Prg 3 Long Long Prg 2 press press Prg 1 Prg 7... -
Page 36: Measuring Display (Examples)
UMG 96-EL www.janitza.com Measuring display (examples) Parameter display (example) You can display various measured values in display In programming mode, there is a submenu for mode. displaying and setting the Modbus parameters. The In this example, the display shows the voltages L parameter settings are stored in Modbus registers, against N at 230 V each. -
Page 37: Configuration
UMG 96-EL 10. Configuration 10.1 Applying the supply voltage Only the supply voltage needs to be connected to Parameters: configure the meter. Submenu for setting Mod- bus parameters CAUTION Material damage due to disregard of the connec- tion instructions! Adr:... -
Page 38: Open Programming Mode And Enter Password
UMG 96-EL www.janitza.com 10.3 Open programming mode and enter 10.4 Setting the current transformer (CT) password The measurement device must know the transforma- If a user password has been set, the password is tion ratio of the current transformers used. Enter the requested when switching to programming mode. -
Page 39: Setting The Voltage Transformer (Vt)
In the device display there is only one transformer addresses can be found in the Modbus address list ratio for the voltage measurement inputs V1-V3. of the device available for download at www.janitza. If you set different transformer ratios for the voltage com. -
Page 40: Dynamic Or Static Ip Address
UMG 96-EL www.janitza.com 10.7 Dynamic or static IP address 10.8 Configuring IP address manually Each device in the network has a unique IP address, If you are not using a DHCP server that automatically which is assigned either manually or by a DHCP assigns the IP address to the measurement device, server. -
Page 41: Configuring A Static Ip Address (Adr)
UMG 96-EL 10.8.1 Configuring a static IP address (Adr) 10.8.2 Configuring the subnet mask (SUb) and gateway (GAt) Ask the network administrator which IP addresses and other settings should be used. The subnet mask and the gateway each consist of 4 An IP address consists of 4 bytes with the following... -
Page 42: Configuration
UMG 96-EL www.janitza.com 11. Configuration You can use Modbus parameters to make further 11.1 User password (addr. 050) settings. A user password can protect the programming menu You can display and configure many parameters from unauthorized changes. No user password is directly on the device by entering the specified Mod- assigned at the factory. -
Page 43: Mains Frequency (Addr. 034)
UMG 96-EL 11.2 Mains frequency (addr. 034) 11.3 LCD contrast (addr. 035) The measurement device can automatically deter- The contrast of the LCD display can be adjusted in mine the mains frequency if a voltage L1-N of greater dependence on the viewing angle. The contrast can than 20 V... -
Page 44: Display Profile (Addr. 037)
UMG 96-EL www.janitza.com 11.5 Display profile (addr. 037) 11.6 Display change profile (addr. 038) After a restoration of power, the meter displays the Address 038 specifies which measured values are first measured value from the display profile currently automatically displayed in a fixed order if a change- activated. -
Page 45: Averaging Time For Average Values
UMG 96-EL 11.8 Averaging time for average values 11.10 Minimum and maximum values Average values are marked on the display with a All measured values are measured and calculated horizontal bar above the measured value. The meter every 200 ms, i.e. 10 measured values/period at calculates moving average values for current, voltage 50 Hz and 12 at 60 Hz. -
Page 46: Energy Meters And Tariffs
UMG 96-EL www.janitza.com 11.11 Energy meters and tariffs INFORMATION The meter can be used to record active, reactive and · Clearing the energy meters causes this data to be apparent energy separately in up to 7 tariffs (e.g. for lost in the device. To avoid possible data loss, you each day of the week or for shift operation). -
Page 47: Comparator For Limit Value Monitoring
UMG 96-EL 11.15 Comparator for limit value monitoring Two comparator groups (1 - 2), each with 3 compar- Comparator group 1 ators (A - C) are available for monitoring limit values. The results of comparators A to C can be linked with Comparator A AND or OR. - Page 48 UMG 96-EL www.janitza.com Parameters Explanation Link result: Total result of the linked comparators A, B and C. Addr. 616 (617) Tab. Explanation of addresses for comparator group 1 (comparator group 2) How the comparators work Measured value · The set limit value is compared with the measured value.
- Page 49 UMG 96-EL Example: Neutral conductor current monitoring with a comparator If the neutral conductor current I exceeds 100 A for For the lead time of 60 seconds, the overrun must be 60 seconds, the result of comparator group 1 should present for at least: be set for at least 2 minutes.
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Page 50: Commissioning
UMG 96-EL www.janitza.com 12. Commissioning Ensure that the following steps are carried out before 12.2 Apply measured voltage commissioning: · Mounting WARNING · Installation Risk of injury due to electrical voltage! · Configuration and parametrization If the device is exposed to surge voltages above... -
Page 51: Checking The Frequency And Direction Of Rotary Field
UMG 96-EL 12.4 Checking the frequency and direction of 12.6 Checking the active power measurement rotary field 1. Short-circuit all but one of the current transform- The meter measures the frequency automatically ers on the secondary side. with the factory settings. -
Page 52: Checking Summation Power
UMG 96-EL www.janitza.com 12.8 Checking summation power If all voltages, currents and powers for the respec- tive phase conductors are correctly displayed, the summation powers measured by the device are also correct. 1. For confirmation, compare the summation power measured by the device with the work values of the active and reactive power meters located in the feeder. -
Page 53: Operation
UMG 96-EL 13. Operation 13.1 Time recording 13.3 Reading out the total running time of the comparators The measurement device does not have a built-in clock, but the operating time is recorded with the The total running time of a comparator is the sum of help of the processor. -
Page 54: Displaying Harmonics
UMG 96-EL www.janitza.com 13.4 Displaying harmonics Harmonics content, THD THD (total harmonic distortion) is the performance Harmonics are caused, for example, by equipment characteristic for the total harmonic distortion. THD with non-linear characteristics. These additional is the ratio of the RMS value of the harmonics to the frequencies represent the integral multiple of a fun- RMS value of the Fundamental oscillation in percent. -
Page 55: Overview Of Measuring Displays - Display Profiles 1 And 2
UMG 96-EL 14. Overview of measuring displays – display profiles 1 and 2 A 01 B 01 C 01 D 01 Measured values Average values Max. values Min values L1-N Voltage L1-N Voltage L1-N Voltage L1-N Voltage L2-N Voltage L2-N Voltage... - Page 56 UMG 96-EL www.janitza.com A 12 B 12 C 12 Present display Measured value Measured value Measured value You can use the Modbus ad- THD % THD % THD % dress 26000 to query which I L1 I L2 I L3 display is presently being shown.
- Page 57 UMG 96-EL A 23 B 23 H 23 Measured value Measured value Measured value Fundamental oscil- 5th, 7th, 9th, 3rd harmonic 15th Harmonics lation 11th, 13th U L3 U L3 U L3 A 24 B 24 H 24 Measured value...
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Page 58: Overview Of Automatic Display Changes, Profiles 1 To 3
UMG 96-EL www.janitza.com 14.1 Overview of automatic display changes, profiles 1 to 3 If no button is pressed, the display can auto- A 17 matically switch between the following measur- Measured value ing displays according to the selected profile Frequency L1 (addr. 038). -
Page 59: Error Messages And Overrange Measurements
UMG 96-EL 15. Error messages and overrange measurements The device shows three types of messages on the Examples: display: 1. Overrange measurements Measuring overrange of the cur- 2. Warnings (simple errors) rent in phase L2 (I2). 3. Serious errors In all three cases, the display shows "EEE". Errors can be recognized in that the "EEE"... -
Page 60: Error Messages
UMG 96-EL www.janitza.com 15.2 Error messages Serious error The device displays both simple and serious errors If serious error 910 occurs, you as follows: must send the device to the manufacturer for inspection. Symbol for an error message Fig. Serious error 910 Error code Fig. -
Page 61: Procedure In The Event Of A Malfunction
UMG 96-EL 16. Procedure in the event of a malfunction Failure mode Cause Remedy No display External fuse for the supply voltage has Replace fuse. tripped. No current display. No measured voltage connected. Connect measured voltage. No measured current connected. -
Page 62: Service And Maintenance
UMG 96-EL www.janitza.com 17. Service and maintenance Prior to outbound delivery, the device is subjected 17.3 Service to various safety tests and is marked with a seal. If a For questions not answered or described in this device is opened, the safety tests must be repeated. -
Page 63: Technical Data
UMG 96-EL 18. Technical data General Net weight (with attached plug-in connectors) approx. 300 g (0.66 lbs) Package weight (incl. accessories) approx. 600 g (1.32 lbs) Data memory 8 MB 40,000 h (backlighting reduces to approx. 50% over this Backlight service life period) Impact resistance... - Page 64 UMG 96-EL www.janitza.com Voltage measurement Three-phase 4-conductor systems with rated voltages 277 V / 480 V (+10%) (TN/TT) up to Three-phase 3-conductor systems, grounded or non-grounded, IT 480 V (+10%) (TN/TT, IT) with rated voltages up to Overvoltage category 300 V CAT III Rated surge voltage 4 kV...
- Page 65 UMG 96-EL Ethernet interface Connection RJ45 Internet protocol IPv4 Potential isolation and electrical safety of the interfaces The Ethernet interface has · Double insulation to the inputs of the voltage and current measurement. · A functional insulation to the supply voltage.
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Page 66: Performance Characteristics Of Functions
UMG 96-EL www.janitza.com 18.1 Performance characteristics of functions Function Symbol Accuracy class Measuring range Frequency 0.05 (IEC61557-12) 45 .. 65 Hz Voltage U L-N (IEC61557-12) .. 300 V rms Voltage U L-L (IEC61557-12) .. 510 V rms Voltage harmonics Cl. 1 (IEC61000-4-7) Up to 2.5 kHz... -
Page 67: Appendix
UMG 96-EL 19. Appendix 19.1 Modbus addresses of frequently used measured values Address Format Description Access right Unit 19000 float Voltage L1-N 19002 float Voltage L2-N 19004 float Voltage L3-N 19006 float Voltage L1-L2 19008 float Voltage L2-L3 19010 float... -
Page 68: Number Formats
UMG 96-EL www.janitza.com Address Format Description Access right Unit 19102 float Reactive energy cap. L1 varh 19104 float Reactive energy cap. L2 varh 19106 float Reactive energy cap. L3 varh 19108 float Reactive energy cap. L1..L3 varh 19110 float THD, U L1-N... -
Page 69: Dimensional Drawings
UMG 96-EL 19.4 Dimensional drawings The figures are for illustration purposes only and are not to scale. max. 6 All dimensions in mm □ Fig. Side view Fig. Bottom view +0,8 3.62 +0.03 Fig. Cutout dimensions... -
Page 70: Connection Example
UMG 96-EL www.janitza.com 19.5 Connection example PE/FE PC/Server GridVis Supply voltage UMG 96-EL RJ45 Voltage measurement Current measurement 10 11 12 13 230V/400V 50Hz 1) UL/IEC approved overcurrent protective device 2) UL/IEC approved overcurrent protective device 3) Short circuit bridges (external) -
Page 71: Quick Guide To Operation
UMG 96-EL 19.6 Quick guide to operation Changing current transformer setting Retrieving measured values Go to the programming mode: Go to the display mode: · Press and hold buttons 1 and 2 simultaneously for · If programming mode is still active (PRG symbol approx. - Page 72 Vor dem Polstück 6 | 35633 Lahnau Germany Tel.: +49 6441 - 9642-0 info@janitza.com | www.janitza.com Doc. no. 2.067.005.1.b | 03/2025 | Subject to technical alterations. The latest version of the document can be found in the download area at www.janitza.com.
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