janitza UMG 104 Operating Manual And Technical Data
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janitza UMG 104 Operating Manual And Technical Data

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Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Support Tel. +49 6441 9642-22
Fax +49 6441 9642-30
e-mail: info@janitza.com
Internet: http://www.janitza.com
Power Analyser
UMG 104
Operating manual and
technical data
Temperature
RS232 RS485
measurement
input
Profibus
(optional)
4 x current
measurement
2 digital inputs
2 digital outputs
Power supply voltage
A B
4 x voltage
measurement

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Summary of Contents for janitza UMG 104

  • Page 1 Power Analyser UMG 104 Operating manual and technical data Temperature RS232 RS485 2 digital inputs measurement 2 digital outputs input Power supply voltage Profibus (optional) 4 x current 4 x voltage Janitza electronics GmbH measurement measurement Vor dem Polstück 6 D-35633 Lahnau Support Tel.

  • Page 2: Table Of Contents

    UMG 104 General Information Installation Protected trademarks Installed position Meaning of the symbols used Power supply voltage Inspection on receipt Current measurement Ammeter Scope of supply Direct measurement Available accessories Voltage measurement Notes on Use Interfaces Product Description RS485 Intended use...
  • Page 3 UMG 104 System information Appendix Overrange Measured value displays Serial number Declaration of conformity Date Dimensioned drawings Firmware release UMG104 connection example Time Quick Reference Instructions Service and maintenance Repair and calibration Front film Battery Firmware update Service Trouble shooting...

  • Page 4: General Information

    UMG 104 General Information Protected trademarks All trademarks and their resulting rights belong to the respective holders of these rights.

  • Page 5: Meaning Of The Symbols Used

    UMG 104 Meaning of the symbols used The following pictograms are used in this manual: Dangerous voltage! Danger or risk of severe injury. Disconnect the system and device from the power supply before starting the work. Important! Please note follow documentation.

  • Page 6: Inspection On Receipt

    UMG 104 Inspection on receipt Please check the scope of supply for Fault free and safe use of this device requires completeness before you start installing the appropriate transport, proper storage, erection device. and assembly as well as careful operation and maintenance.

  • Page 7: Scope Of Supply

    RS485, résistance de fermeture externe, 120 Ohms Refer to delivery note for product number. Design version. Available accessories Product No. Name 21 01 058 Battery, lithium CR2032, 3 V (according to UL 1642) 08 02 427 RS232, Connection cable (UMG 104 – PC), 2m, 5 poles...

  • Page 8: Notes On Use

    UMG 104 Notes on Use Please read these operating instructions and This device may be solely operated and all other publications which have to be used maintained by skilled persons. to work with this product (in particular for installation, operation or maintenance).
  • Page 9 UMG 104 Important! If the device is not operated according to the instruction manual, protection is no longer ensured and the device can cause hazards. Conductors made of individual wires must be fitted with wire end ferrules. Only pluggable screw terminals with...

  • Page 10: Product Description

    UMG 104 Product Description Intended use Measurement in medium and high-voltage The UMG104 is intended to be used for the systems takes place with current and voltage measurement and calculation of electrical transformers. Special safety requirements variables such as voltage, current, energy, must be complied, which are not dealt with in work, harmonic components, etc.

  • Page 11: Umg104 Features

    UMG 104 UMG104 features - Measurement in IT, TN and TT systems, - 4 voltage measurement inputs - 4 current measurement inputs, - Continuous scanning of the voltage and current measurement inputs, - Energy measurement, measurement uncertainty class 0.5 for ../5A current transformers, - Energy measurement, measurement uncertainty class 1 for ../1A current transformers,...

  • Page 12: Methods Of Measurement

    The GridVis programming software and the homepage have their own “online help”. Use the parameter list in the appendix to these instructions for programming at the UMG104 and the modbus address list (Download: www.janitza.de) for programming via a serial interface.

  • Page 13: Gridvis Programming Software

    The UMG104 can be programmed and read RS232 ® out using the GridVis programming software (Download: www.janitza.de). This requires a PC to be connected to the UMG104 via a serial interface. Fig. 13.1 Connection of a UMG104 to a PC via an RS232 cable.

  • Page 14: Three-Phase 4-Wire Systems

    UMG 104 Three-phase 4-wire systems The UMG104 can be used in three-phase 4 conductor systems (TN, TT system) (50 Hz, 60 Hz) with earthed PEN conductor. The 66 V / 115 V bodies of the electrical system are earthed. 120 V / 208 V...
  • Page 15 UMG 104 230/400V 50/60Hz 240V 50/60Hz AC/DC Earthing the Voltage measurement system Auxiliary power UMG104 Fig.15.1 Block diagram, UMG104 in TN system.

  • Page 16: Three-Phase 3-Wire Systems

    UMG 104 Three-phase 3-wire systems The UMG104 can be used in unearthed three-phase 3 wire systems (IT system). The 66 V conductor to conductor voltage may not 115 V exceed 480V AC (50 Hz, 60 Hz). 120 V The UMG104 is only suitable for environments...
  • Page 17 UMG 104 230/400V 50/60Hz 400V 50/60Hz Impedance Impedance AC/DC AC/DC Earthing the Earthing the system system Voltage measurement Voltage measurement Auxiliary power Auxiliary power UMG104 UMG104 Fig.17.1 Block diagram, UMG104 in IT system Fig.17.2 Block diagram, UMG104 in IT system without N.

  • Page 18: Key Functions

    UMG 104 The UMG104 has a display, keys 1 and 2 and the Service key to make it easier to install and start up the UMG104 without a PC. Important parameters such current transformers and device address are included in the parameter list (see Appendix) and can be directly programmed at the device.

  • Page 19: Display Mode

    UMG 104 Display mode N L1 After the power supply is resumed the device is in Display mode. In Display mode you can use Keys 1 and 2 to page between the measured value displays. Use Key 1 to select the phase for the measured values.

  • Page 20: Programming Mode

    UMG 104 Programming mode The most important settings required for operation of the UMG104 can be displayed and changed in programming mode. The parameter list in the Appendix contains the addresses for the most important settings. You can make further settings using the GridVis software.

  • Page 21: Display Password

    UMG 104 Display password You can program a 4-digit display password to make it difficult to accidentally change the programming data directly at the device. A display password is not set in the factory. Content Fig. 21.1 Query window for the display password.

  • Page 22: Installation

    UMG 104 Installation Installed position The UMG104 can be installed in control cabinets or in small distribution boards according to DIN 43880. It is mounted on a 35 mm mounting v according to DIN EN 60715. It can be installed in any position.

  • Page 23: Power Supply Voltage

    UMG 104 Power supply voltage Power supply voltage Uh A power supply voltage is required for operation of the UMG104. The type and Fuse amount of power supply voltage required is noted on the rating plate. Disconnecting device Before applying the power supply voltage,...

  • Page 24: Current Measurement

    UMG 104 Current measurement The UMG104 is designed for the connection of current transformers with secondary currents of ../1A and ../5A. Only alternating currents, not direct currents, can be measured. Each current measurement input can be permanently loaded with 6A or for 1 second with 100 A.
  • Page 25 UMG 104 Current Current Fig. Current measurement, connection example Fig. Current measurement, connection example for connection option 0, see page 50. for connection option 0, see page 50. Current Current Fig. Current measurement, connection example Fig. Current measurement, connection example for connection option 1, see page 50.

  • Page 26: Ammeter

    UMG 104 Ammeter Short-circuit current transformer con- If you not only want to measure the current nections! with the UMG104 but with an ammeter also, The secondary connections of the the ammeter must be connected in series to current transformer must be short- the UMG104.
  • Page 27 UMG 104 Summation current measurement If the current is measured via two current Example transformers, the total transformation ratio of The current is measured via two current the current transformers must be programmed transformers. Both current transformers in the UMG104.

  • Page 28: Direct Measurement

    UMG 104 Direct measurement Nominal currents up to 5 A can also be measured directly with UMG104. In this case it must be noted that each current measurement input may be loaded continuously with 6 A or for 1 second with max 100 A.

  • Page 29: Voltage Measurement

    UMG 104 Voltage measurement The UMG104 is designed for the measurement of alternating voltages in 300 V systems in which category III overvoltages can occur. The UMG104 can only determine exact measured values if a measurement-current voltage greater than 10 Veff is applied to the Disconnector voltage measurement input L1.
  • Page 30 UMG 104 Voltage Voltage Voltage Fig. 31.1 Connection examples for voltage measurement in “three-phase 4-conductor systems”. (Connection option 0, see page 51) Voltage Voltage Fig. 31.2 Connection examples for voltage measurement in “three-phase 3-conductor systems”. (Connection option 1, see page 51)
  • Page 31 UMG 104 Auxiliary measurement, input 4 3w 1m 4w 1m Fig. measurement in a three-phase 3 Fig. measurement using a three-phase 4 conductor network with symmetrical load. conductor network with symmetrical load. 2w 1n In case of a three wire main measu-...

  • Page 32: Interfaces

    UMG 104 Interfaces RS232 Shielding You can use the connection cable (available A twisted-conductor and shielded cable must accessories) to connect the UMG104 to a PC. be provided for connections via the RS232 The achievable distance between two devices interface. The shielding at both ends of the...
  • Page 33 UMG 104 UMG104 Com1 Mini Combicon, 5 pin D-sub, 9 pin, socket Fig. 33.2 Connector pin assignment for the PC connection cable (Part number: 08 02 427). Fig. 33.1 Example, connecting a UMG104 to a PC via the RS232 interface.

  • Page 34: Rs485

    UMG 104 RS485 Terminating resistors Bus structure The cable at the start and end of a segment is All devices are connected in a bus structure terminated with resistors (120 ohm, 1/4 W). (line). Up to 32 stations can be connected together in a segment.
  • Page 35 UMG 104 Shielding A twisted-conductor and shielded cable must be provided for connections via the RS485 interface. The shielding at both ends of the cable must be connected to a large area of the mounting plate or cabinet parts in order to achieve an adequate shielding effect.

  • Page 36: Rs485 Profibus Dp V0 Slave

    The profibus connection in the UMG104 is a 9 pin DSUB socket. We recommend use of a 9 pin profibus connector for the connection, e.g. as made by Phoenix, type “SUBCON-Plus-ProfiB/AX/SC” with product number 2744380. (Janitza art. no.: 13.120.539) Profibus connection Fig. 36.1 UMG104 with profibus interface.
  • Page 37 UMG 104 Connecting the bus cables The incoming bus cable is connected to terminals 1A and 1B. The bus cable for the next device in the line is connected to terminals 2A and 2B. If there is not another device in the line the bus cable must be terminated with resistors (switch set to ON).

  • Page 38: Digital Inputs And Outputs

    UMG 104 Digital inputs and outputs Digital outputs The UMG104 has 2 transistor switching outputs. These outputs metallically separated from the analysis electronics via optocouplers. • The digital outputs can switch direct or alternating current load. • The digital outputs can switch loads in- dependant on the polarity of the feeding voltage.
  • Page 39 UMG 104 UMG104 UMG104 Digital outputs Digital outputs Digital Digital Output 1 Output 1 Digital Digital Output 2 Output 2 Fig. 39.1 Connection of alternating voltage Fig. 39.2 Connection of direct current relays relays to the digital outputs. to the digital outputs.
  • Page 40 UMG 104 Digital inputs UMG104 The UMG104 has 2 digital inputs to each of Digital inputs 1-2 which you can connect one transducer. Digital An input signal is detected at a digital input if a Input 1 voltage of at least 10 V and maximum 28 V is applied.
  • Page 41 UMG 104 S0 pulse input UMG104 At each UMG104 with inputs for 24 V you can Digital inputs 1-2 also connect S0 pulse generators according to DIN EN 62053-31. You require only one external auxiliary voltage Digital of 20..28 V DC and one external 1.5 kohm Input 1 resistor each.

  • Page 42: Temperature Measurement Input

    UMG 104 Temperature measurement input Following temperature sensors connected to the temperature measurement input • KTY83 • KTY84 • PT100 • PT1000 Fig. 42.1 Example, temperature measurement with a KTY83. Use a shielded cable to connect the temperature sensor. Important!

  • Page 43: Putting Into Service

    UMG 104 Putting into Service Frequency measurement Applying the power supply voltage For the frequency measurement, the measured The power supply voltage level for the UMG104 is given on the rating plate. Supply voltages voltage must be greater than 10 V in the voltage measuring path L1-N.

  • Page 44: Applying The Measuring-Circuit Voltage

    UMG 104 Applying the measuring-circuit voltage The UMG104 is suitable for the measurement of voltages of up to 300 V AC to earth and 520 V AC conductor to conductor. UMG104 suitable measurement of direct voltages. Voltages above 300 VAC to earth must be connected via voltage transformers.

  • Page 45: Phase Sequence

    UMG 104 Phase sequence Applying the measuring-circuit current Check the direction of the voltage rotating field in the measured value display of the UMG104. The UMG104 is designed for the connection A “right” rotating field usually exists. of ../1A and ../5A current transformers.

  • Page 46: Checking The Energy Measurement

    UMG 104 Checking the energy measurement Short-circuit all current transformer outputs except for one and check the displayed power outputs. The UMG104 may only display one power output in the phase with a non short-circuited current transformer input. If this is not the case, check the connection of the measuring-circuit voltage and the measuring-circuit current.

  • Page 47: Configuration

    UMG 104 Configuration Current transformer ratio Address Current transformer values You can assign each of the 4 current transformer inputs its own current transformer L1 L2 L3 L4 (primary) ratio. A current transformer ratio of 5 A/5 A L1 L2 L3 L4 (secondary) is programmed in the factory for all 4 current transformer inputs.

  • Page 48: Current Measurement Connection Options

    UMG 104 Current measurement connection options Address Connection option The UMG104 recognises two connection 0 = Three current transformers. options for the current measurement. (Default factory setting) Connection option 0 1 = Two current transformers • Measurement via 3 current transformers (Aron circuit) in three-phase 4-conductor systems.

  • Page 49: Voltage Transformer Ratio

    UMG 104 Voltage transformer ratio Address Voltage transformer values You can assign each of the 4 voltage transformer inputs its own voltage transformer L1 L2 L3 L4 (primary) ratio. L1 L2 L3 L4 (secondary) A voltage transformer ratio of 400 V/400 V...

  • Page 50: Voltage Measurement Connection Options

    UMG 104 Voltage measurement connection options Address Connection option The UMG104 recognises two connection options for the voltage measurement. 0 = Three-phase 4-conductor systems (default factory Connection option 0 setting) • Direct measurement of the voltage in 3-phase 4-conductor systems.

  • Page 51: Interfaces

    UMG 104 Interfaces RS485 The UMG104 has 4 serial interfaces: - RS485 The following data must be programmed for - RS232 use of the RS485 interface: - Profibus (optional) - Device address, All interfaces can be used simultaneously. - Baud rate, - Operating mode.

  • Page 52: Profibus (Optional)

    UMG 104 Profibus (optional) Device master file GSD Profibus profiles The device master file for the UMG104 is The UMG104 can manage 16 profibus pro- called “JANI0D2B.GSD” and is included on files. Each profibus profile contains 128 data the CD which belongs to the scope of supply.
  • Page 53 UMG 104 Default Profibus profile Profibus profile number 0 Profibus profile number 1 Byte Value Scaling Byte- Values Scaling Index Value type format Index Value type format Voltage L1-N float Voltage L1-N Float Voltage L2-N float Voltage L2-N Float Voltage L3-N...
  • Page 54 UMG 104 Profibus profile number 2 Profibus profile number 3 Byte- Values Scaling Byte- Values Scaling Index Value type Format Index Value type Format Effective consumption total L1-L3 Float Effective power L1 Float Drawn eff. consum. total L1-L3 Float Effective power L2 Float Supplied eff.

  • Page 55: Recordings

    UMG 104 Recordings 2 recordings are preconfigured in the default • Reactive power fundamental Sum L1-L4 factory setting of the UMG104. Recordings (The mean value, minimum value are adjusted and extended via the software maximum value are also recorded for each GridVis.

  • Page 56: System Information

    UMG 104 System information L1 L2 L3 L4 Overrange Overranges are displayed as long as they exist and cannot be acknowledged. An overrange exists if at least one of the four voltage or current measurement inputs lies outside their specified measuring range.

  • Page 57: Serial Number

    UMG 104 Serial number Firmware release RxD TxD Input Output L1 L2 L3 L4 RxD TxD Input Output L1 L2 L3 L4 Fig. Measured value display with serial number. Fig. Measured value display for the firmware release. Date Time L1 L2 L3 L4...

  • Page 58: Service And Maintenance

    UMG 104 Service and maintenance operation. A warranty will be provided for The device is subjected to various safety unopened devices only. checks before delivery and marked with a seal. If a device is opened, the safety checks Disposal must be repeated. A warranty will be provided The UMG104 can be reused or recycled as for unopened devices only.

  • Page 59: Trouble Shooting

    UMG 104 Trouble shooting Possible error Cause Remedy No display. External fusing for the power Replace fuse. supply voltage has tripped. Device is defective. Send device to the manufacturer for repair. No current display. Measurement voltage is not Connect measuring-circuit connected.
  • Page 60 UMG 104 Possible error Cause Remedy voltage Displayed Measurement in the wrong phase. Check connection and correct if is too small or too necessary. large. Voltage transformer incorrectly Read out and program the voltage programmed. transformer transformation ratio at the voltage transformer.
  • Page 61 UMG 104 Possible error Cause Remedy Active power too The programmed current Read out and program the current small or too large. transformer transformation transformer transformation ratio at the ratio is incorrect. current transformer. The current path is assigned Check connection and correct if to the wrong voltage path.

  • Page 62: Technical Specifications

    UMG 104 Technical specifications General information Net weight : 350g Device dimensions : approx l=107.5 mm, b=90 mm, h=82 mm (according to DIN 43871:1992) Housing flammability class : UL94V-0 Installed position : any Fixing/mounting : 35 mm top hat rail...

  • Page 63: Power Supply Voltage

    UMG 104 Power supply voltage The supply voltage to the UMG104 must be connected through a UL/IEC approved fuse (6A Char. B). Option 230V Nominal range : 95V .. 240V (50/60 Hz) or DC 135V .. 340V Operating range : +-10% of nominal range...

  • Page 64: Protection Class

    UMG 104 Protection class Class II according to IEC 60536 (VDE 0106, Part 1), i.e. a PE terminal is not required! Protection against ingress of solid foreign bodies and water : IP20 according to EN 60529 September 2014, IEC 60529:2013...

  • Page 65: Inputs And Outputs

    UMG 104 Inputs and outputs 2 digital inputs Pulse input (S0) Maximum counting frequency : 20 Hz Switching input Response time (Jasic program) : 200 ms Input signal applied : 18V. 28 V DC (typically 4 mA) Input signal not applied : 0 ..

  • Page 66: Temperature Measurement Input

    UMG 104 Temperature measurement input Update time : approx 200 ms Connectable sensors : PT100, PT1000, KTY83, KTY84 Total burden (sensor + cable) : max 4 kohm Sensor type Temperature range Resistance range Measurement uncertainty KTY83 -55 ° .. +175 °C 500 ohm ..

  • Page 67: Interfaces

    UMG 104 Interfaces RS232 : 5 pin screw-type terminals. Protocol : Modbus RTU/slave Transfer rate 9600 bps, 19.2 kbps, 38.4 kbps, 115.2 kbps RS485 : 2 pin screw-type terminals. Protocol, modbus RTU : Modbus RTU/slave. Transfer rate : 9.6 kbps, 19.2 kbps, 38.4 kbps, 57.6 kbps, 115.2 kbps, 921.6 kbps...

  • Page 68: Measurement Uncertainty

    UMG 104 Measurement uncertainty The measurement uncertainty of the UMG104 applies to use of the following measuring ranges. The measured value must lie within the given limits. Outside these limits the measurement uncertainty is unspecified. Measured value Measurement uncertainties Voltage ±...
  • Page 69 UMG 104...

  • Page 70: Measuring Inputs

    UMG 104 Measuring inputs Voltage measurement Three-phase 4-wire systems (L-N/L-L) : max. 277 V/480 V Three-phase 3-wire systems (L-L) : max. 480 V Resolution : 0,01 V Measurement range L-N .. 600Vrms Measurement range L-L .. 1000Vrms Crest-faktor : 2 (referring to 480 Vrms)
  • Page 71 UMG 104 Current measurement Nominal current : 5A Rated current : 6A Fuse protection for direct measurement (without current transformer) : 6A Char. B (approved i.a.w. UL/IEC) Resolution in the display : 10mA Measurement range : 0.001 .. 8.5Arms Crest-faktor...

  • Page 72: Parameter List

    UMG 104 Parameter list Default Add Name Setting range Units setting Current transformer, primary, L1..L4 0 .. 1000000 Current transformer, secondary, L1..L4 1 .. 5 Voltage transformer, primary, L1..L4 0 .. 1000000 Voltage transformer, secondary, L1..L4 1 .. 999 Current transformer, primary, L1 0 ..
  • Page 73 UMG 104 Default Add Name Setting range Units setting Automatically get TFTP configuration file 0 .. 9999 0 = switched off x = file number TFTP error handling 0 .. 1 0 = In the event of an error the Configuration menu appears in the UMG104.
  • Page 74 UMG 104 Default Add Name Setting range Units setting Device address, modbus/profibus 1 .. 255 Baud rate, RS232 0 .. 4 0 = 9600 bit/s 1 = 19200 bit/s 2 = 38400 bit/s 3 = 57600 bit/s 4 = 115200 bit/s Baud rate, RS485 0 ..
  • Page 75 UMG 104 Default Add Name Setting range Units setting 1 .. 31 Month 1 .. 12 Year 1 .. 9999 xxxx Hour 0 .. 23 Minute 0 .. 59 Second 0 .. 59 Accept date and time 0, 1 1 = accept set data Device password 0 ..

  • Page 76: Measured Value Displays

    UMG 104 Measured value displays You can have the following measured values shown on the display, with the default factory setting, using keys 1 and 2. The measured value names used are abbreviated and have the following mean- ing: Active power demand...

  • Page 77: Declaration Of Conformity

    UMG 104 Declaration of conformity The product fulfils the following EC Directives: 2004/108/EG Electromagnetic compatibility of electrical equipment. 2006/95/EG Electrical equipment for use within certain voltage limits. Considered standards: Noise immunity IEC/EN 61326-1:2013 Class A: Industrial environment IEC/EN 61000-4-2:2009 Electrostatic discharge...

  • Page 78: Dimensioned Drawings

    UMG 104 Dimensioned drawings Front view Side view...

  • Page 79: Umg104 Connection Example

    UMG 104 UMG104 connection example...

  • Page 80: Quick Reference Instructions

    UMG 104 Quick Reference Instructions Adjusting the primary current You have three current transformers of the same type with a current transformer ratio of 200 A/5 A. You would like to program the primary current with 200 A. To do this you must enter the value 200 for the primary current in the address 000.

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