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Summary of Contents for janitza UMG 103UL
- Page 1 Power Analyser UMG 103UL Installation and Putting into Service L1 L2 L3 N 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...
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Page 2: Table Of Contents
UMG 103 General Information Meaning of the symbols used Inspection on receipt Scope of supply Available accessories Notes on Use Product Description Intended use Features Operating concept GridVis programming software Installation Installed position Power supply voltage Voltage measurement Current measurement Ammeter RS485 interface What to do in case of errors... - Page 3 UMG 103...
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Page 4: General Information
All trademarks and their resulting rights belong to the respective holders of these rights. Liability disclaimer Janitza electronics GmbH does not accept any responsibility whatsoever for errors or deficiencies within this manual and does not undertake any obligation to keep the content of this manual up to date. -
Page 5: Meaning Of The Symbols Used
UMG 103 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 and follow the documentation. -
Page 6: Inspection On Receipt
UMG 103 Inspection on receipt Fault free and safe use of this device requires appropriate transport, proper storage, erection and assembly as well as careful operation and maintenance. If it can be assumed that safe operation is no longer possible, the device must be immediately taken out of service and secured against being accidentally started up. -
Page 7: Scope Of Supply
UMG 103 Scope of supply Number Product No. Name 52 18 xxx UMG103 XX 33 03 103 Installation and start-up instructions. 1001818 Plug-in screw-type terminal, 2-pin. 1001819 Plug-in screw-type terminal, 4-pin. 1001820 Plug-in screw-type terminal, 6-pin. Refer to delivery note for product number. Design version. -
Page 8: Notes On Use
UMG 103 Notes on Use Please read these operating instructions and all other publications which have to be used to work with this product (in particular for installation, operation or maintenance). Note and follow all safety instructions as well as any warnings. If you do not follow the instructions, personal injuries and/or damage to the product could be the result. - Page 9 UMG 103 Important! Conductors with soldered in- If the device is not operated dividual wires are not suitable according to the instruction for connection to screw-type manual, protection is no longer terminals. ensured and the device can cause hazards. Only pluggable screw terminals with the same number of poles (pins) and of the same type may be plugged together.
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Page 10: Product Description
UMG 103 Product Description Intended use The UMG103 is intended to be used for the measurement and calculation of electrical variables such as voltage, current, power, work, harmonic components, etc. in building installations, at distribution boards, circuit-breakers and busbar trunking systems. The UMG103 is permanently installed in control cabinets or small distribution boards. -
Page 11: Features
UMG 103 Features - Measurement in TN and TT systems, - 3 voltage measurement inputs 127Vac L-N / 240Vac L-L, CATIII, - 3 current measurement inputs, - RS485 (Modbus RTU), - Installation on top-hat rails, 4,TE - Suitable for installation in distribution boards. - 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: Operating Concept
UMG 103 Operating concept The UMG103 is programmed and read out via the RS485 interface only. The device address is directly set via 2 coding switches. GridVis programming software The UMG103 can be programmed and read out using the GridVis programming software included in the scope of supply. - Page 13 UMG 103 Block diagram of measurement and power supply voltage Interface converter RS232 120/240V 50/60Hz RS485 Fig. Connection of a UMG103 to a PC via an interface converter. Voltage Power supply measurement voltage Earthing UMG103 system Fig. block diagram, UMG103 in TN Ethernet system.
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Page 14: Installation
UMG 103 Installation Installed position The UMG103 can be installed in control cabinets or in small distribution boards according to DIN 43880. It is mounted on a 35 mm mounting rail according to DIN EN 60715. It can be installed in any position.. -
Page 15: Power Supply Voltage
UMG 103 Power supply voltage The power supply voltage required for operation of the UMG103 is drawn from Voltages which are above the the L1-N, L2-N and L3-N measuring- allowable voltage range can circuit voltages. At least one phase must destroy the device. -
Page 16: Voltage Measurement
UMG 103 Voltage measurement The UMG103 is designed for operation in low-voltage distribution systems, in which overvoltage category III (150 V) impulse voltages can occur. The UMG103 can be used in three- phase 4-wire systems with earthed PEN conductor and in single-phase 3-wire systems. - Page 17 UMG 103 Three-Phase/Four-Wire Systems Single-Phase Three-Wire Systems Suitable power distribution systems : Suitable power distribution systems : • 120V L-N, 208V L-L • 120V L-N, 240V L-L • 127V L-N, 220V L-L Voltage Voltage Fig. Connection example 3-phase 4-wire Fig. Connection example single-phase measurement.
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Page 18: Current Measurement
UMG 103 Current measurement The UMG103 is designed for the con- Verbraucher nection of current transformers with Load secondary currents of ../1A and ../5A. Only alternating currents, not direct currents, can be measured. Each current measurement input can be permanently loaded with 5A or for 1 second with 50 A. - Page 19 UMG 103 Earthing current transformers. Open current transformer! If a connection is provided for High hazardous live voltage peaks earthing the secondary winding, can occur at current transformers this must be connected with which are operated open on the earth. secondary side! The winding insulation in "safe open current transformers"...
- Page 20 UMG 103 Abb.: Beispiel, Strommessung in einem Abb.: Beispiel, Strommessung in einem 3 Phasen-Vierleiter-Netz. 1 Phasen-Zweileiter-Netz. Abb.: Beispiel, Strommessung über 2 Stromwandler in einem 3 Phasen- Vierleiter-Netz.
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Page 21: Ammeter
UMG 103 Ammeter If you not only want to measure the current with the UMG103 but with an ammeter also, the ammeter must be connected in series to the UMG103. Fig. Example, current measurement via additional ammeters. -
Page 22: Rs485 Interface
UMG 103 RS485 interface Bus structure The UMG103 has an RS485 interface and All devices are connected in a bus operates with the modbus RTU protocol. structure (line). Up to 32 stations can be The device address 1 and baudrate connected together in a segment. - Page 23 UMG 103 Terminating resistors Shielding The cable at the start and end of a A twisted-conductor and shielded cable segment is terminated by with resistors must be provided for connections via the (120 ohm, 1/4 W). RS485 interface. The shielding at both ends of the cable must be connected The UMG103 does not contain any to a large area of the housing or cabinet...
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Page 24: What To Do In Case Of Errors
UMG 103 What to do in case of errors Possible error Cause Remedy No LED is lit. External fusing for the Replace fuse. power supply voltage has tripped. Device is defective. Send device to the manufacturer for repair. Measured current Current transformer factor Read out current transformer ratio is too large or too... - Page 25 UMG 103 Possible error Cause Remedy Active power too The programmed current Read out current transformer ratio transformer transformation small or too large. and program with the software ratio is incorrect. GridVis. The current path is assigned Check connection and correct to the wrong voltage path.
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Page 26: Service And Maintenance
UMG 103 Service and maintenance Firmware update The device is subjected to various safety checks before delivery and marked with If a firmware update has to be performed a seal. If a device is opened, the safety for your UMG103 you can do this with checks must be repeated. - Page 27 UMG 103...
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Page 28: Technical Specifications
UMG 103 Technical specifications Transport and storage The following information applies to devices which are transported or stored in the original packaging. Free fall : 1m Temperature : -20°C to +70°C Ambient conditions during operation The UMG103 is intended for weather-protected, stationary use. The UMG103 fulfils the use conditions according to DIN IEC 60721-3-3. -
Page 29: Rs485 Interface
UMG 103 RS485 interface Protocol, modbus RTU : Modbus RTU/slave, Transfer rate : 9.6 kbps, 19.2 kbps, 38.4 kbps, 57.6kbps, 115.2 kbps, automatic detection... -
Page 30: Measurement Uncertainty
UMG 103 Measurement uncertainty The measurement uncertainty of the UMG103 applies to use of the following meas- uring ranges. The measured value must lie within the given limits. Outside these limits the measurement uncertainty is unspecified. The specifications apply under the following conditions: - Annual recalibration, - a warming up time of 10 minutes, - an ambient temperature of 18 .. - Page 31 UMG 103 Measured value Measurement uncertainty IEC 61557-12, DIN EN 61557-12 Voltage L-N Voltage L-L Current L Current N Real power Apparent power Reactive power CosPhi Leistungsfaktor Frequency Real energy Reactive energy Apparent energy THD voltage THD current Real energy Current transformer ../5A Class 0,5S (DIN EN62053-22:2003) Class B (DIN EN50470-3:2006) Current transformer ../1A Class 1 (DIN EN62053-21:2003)
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Page 32: Measurement
UMG 103 Measurement Voltage measurement Important! The power supply voltage is acquired from the measuring-circuit voltage. Power supply voltage range : 100V ac .. 127V ac (+-10%) Metering range : 25V ac .. 127V ac (+-10%) : 44V ac .. 240V ac (+-10%) Power consumption : max. -
Page 33: Appendix
UMG 103 Appendix Declaration of conformity The UMG103 fulfils the safety requirements of: Directive 2004/108/EC in conjunction with DIN EN 61326-1 (2006-10) and Directive 2006/95/EC in conjunction with EN 61010-1 (2002-08) Safety requirements Safety requirements for electrical instrumentation, control and laboratory equipment : EN61010-1 08:2002, IEC 61010-1:2001 : UL61010-1 - Seconde Edition... -
Page 34: Dimensioned Drawings
UMG 103 Dimensioned drawings Front view Side view... -
Page 35: Umg103 Connection Example
UMG 103 UMG103 connection example Measuring-circuit and Current measurement power supply voltage... -
Page 36: Quick Reference Instructions
UMG 103 Quick Reference LED display Instructions H1 H2 green All measuring-circuit and power Device address supply voltages lie within the operating voltage range. The device is working. The LED goes out for 0.5 sec every 5 sec. The device is ready for use but at least one measuring-circuit For service purposes and power supply voltage is...
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