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108

UMG 96RM-M

...

Marked menus are not displayed in the factory presetting.

Measured value

1st. harmonic

I L2

A25 (Profile: 2)

Measured value

1st. harmonic

I L3

A26 (Profile: 2)

Maximum value

1st. harmonic

U L1

A27 (Profile: 2)

Maximum value

1st. harmonic

U L2

A28 (Profile: 2)

Maximum value

1st. harmonic

U L3

A29 (Profile: 2)

Maximum value

1st. harmonic

I L1

A30 (Profile: 2)

Measured value

3rd. harmonic

I L2

B25 (Profile: 2,3)

Measured value

3rd. harmonic

I L3

B26 (Profile: 2,3)

Maximum value

3rd. harmonic

U L1

B27 (Profile: 2)

Maximum value

3rd. harmonic

U L2

B28 (Profile: 2)

Maximum value

3rd. harmonic

U L3

B29 (Profile: 2)

Maximum value

3rd. harmonic

I L1

B30 (Profile: 2)

Measured value

13th. harmonic

I L3

G26 (Profile: 2,3)

Maximum value

13th. harmonic

U L1

G27 (Profile: 2,3)

Maximum value

13th. harmonic

U L2

G28 (Profile: 2)

Maximum value

13th. harmonic

I L1

G30 (Profile: 2)

Maximum value

13th. harmonic

U L3

G29 (Profile: 2)

...

Measured value

13th. harmonic

I L2

G25 (Profile: 2,3)

...

Measured value

15th. harmonic

I L3

H26 (Profile: 2)

Maximum value

15th. harmonic

U L1

H27 (Profile: 2)

Maximum value

15th. harmonic

U L2

H28 (Profile: 2)

Maximum value

15th. harmonic

I L1

H30 (Profile: 2)

Maximum value

15th. harmonic

U L3

H29 (Profile: 2)

Measured value

15th. harmonic

I L2

H25 (Profile: 2)

Содержание UMG 96 RM-M

Страница 1: ...d technical data Janitza electronics GmbH Vor dem Polst ck 6 D 35633 Lahnau Support tel 49 6441 9642 22 Fax 49 6441 9642 30 E mail info janitza com www janitza com www janitza com Power Analyser Art N...

Страница 2: ...d voltage transformers 38 Programming current transformers 39 Programming voltage transformers 40 Programming parameters 41 Commissioning 54 Applying the supply voltage 54 Applying the measured voltag...

Страница 3: ...utputs 77 Service and maintenance 80 Device calibration 80 Calibration intervals 80 Error messages 82 Technical data 88 Parameters of functions 94 Table 1 Parameter list 96 Number formats 101 Dimensio...

Страница 4: ...k 1 D 35633 Lahnau Germany Trademarks All trademarks and the rights resulting from them remain the property of the trademark holder of these rights Disclaimer Janitza electronics GmbH assumes no respo...

Страница 5: ...gence in terms of the product s guarantee and thus excludes the warranty for covering any possible resulting damages This device must only be operated and maintained by qualified personnel Qualified p...

Страница 6: ...s visible damage does not work despite intact power supply and was exposed to unfavourable conditions e g storage outside of the permissible climatic limits without adaptation to the ambient climate c...

Страница 7: ...10 01 849 Screw terminal pluggable 4 pin voltage measurement 1 10 01 871 Screw terminal pluggable 6 pin current measurement 1 10 01 857 Screw terminal pluggable 2 pin M Bus 1 10 01 859 Screw terminal...

Страница 8: ...The voltage measurement inputs are designed for measuring in low voltage grids in which nominal voltages up to 300V phase can occur in countercurrent with ground and overvoltages of overvoltage categ...

Страница 9: ...ring uncertainty class 1 for 1 A transformer Reactive energy class 2 Measurement Measurement in IT TN and TT networks Measurement in networks with nominal voltages up to L L 480 V and L N 277 V Curren...

Страница 10: ...the true root mean square TRMS of the voltages and currents applied to the measuring inputs Operating concept The UMG 96RM M can be programmed directly on the device via the 2 buttons In addition meas...

Страница 11: ...96RM M The configuration of the UMG96RM M is implemented exclusively via the two buttons on the device the Grid Vis software does not support this function It is not possible to read out M Bus device...

Страница 12: ...top and bottom must be at least 50 mm and 20 mm at the sides Front panel cutout Cutout dimensions 92 0 8 x 92 0 8 mm m Failure to comply with the minimum spacing can destroy the UMG 96RM M at high amb...

Страница 13: ...13 UMG 96RM M...

Страница 14: ...nnection example of the supply voltage to the UMG 96RM M Separator Fuse N L m The supply voltage must be connected through a fuse according to the techni cal data In building installations the supply...

Страница 15: ...15 UMG 96RM M...

Страница 16: ...MG 96RM M is designed for the 300 V overvoltage category CATIII 4 kV rated pulse voltage Fig Principle circuit diagram Measurement in three phase 4 wire systems Fig Principle circuit diagram Measureme...

Страница 17: ...127 V 220 V 220 V 380 V 230 V 400 V 240 V 415 V 260 V 440 V 277 V 480 V Fig Table of the rated mains voltages suitable for the voltage measuring inputs according to EN60664 1 2003 Unearthed three phas...

Страница 18: ...in networks in which overvoltages of overvoltage category 300V CATIII 4 kV rated pulse voltage can occur Frequency The UMG 96RM M requires the mains frequency for the measurement and calculation of m...

Страница 19: ...reaker must be placed in the vicinity of the UMG 96RM M be marked for the user and easily accessible The circuit breaker must be UL IEC certified Overcurrent protection device An overcurrent protectio...

Страница 20: ...ee phase conductors and a neutral conductor Fig System with three phase conductors and a neutral conductor Measurement via voltage transformer Fig System with three phase conductors and no neutral con...

Страница 21: ...med to be zero and not calculated Fig Measured values derived from the V2 and V3 voltage measurement inputs are assumed to be zero and not calculated Fig System with uniform phase loading The measure...

Страница 22: ...nly AC currents and not DC currents can be meas ured The test leads must be designed for an operating tempe rature of at least 80 C c Attention The current measurement inputs are dangerous to touch m...

Страница 23: ...e current transformer secondary leads is available it is sufficient to put this into the test position provided the short circuiters have been checked beforehand c Open current transformer High voltag...

Страница 24: ...i0 addr 510 2 L1 L2 L3 I1 I2 I3 3p 3w3 addr 510 3 Fig Measurement in a three phase net work with an unbalanced load Fig The measured values for the I2 current measurementinput are calculated Fig Syste...

Страница 25: ...asurement input are assumed to be zero and not calculated Fig Measured values derived from the I2 and I3 current measurement inputs are assumed to be zero and not calculated Fig System with uniform ph...

Страница 26: ...addr 510 8 Fig Three systems with uniform phase load ing The current measurement values of the phases of the respective system where are no CTs connected are calculated I2 I3 resp I1 I3 resp I1 I2 c...

Страница 27: ...current transformers have a transformer ratio of 1000 5 A The total measurement is performed with a 5 5 5 A total current transformer The UMG 96RM must then be set as follows Primary current 1000 A 1...

Страница 28: ...rent not only with the UMG 96RM M but also with the ammeter the ammeter must be connected in series with the UMG 96RM M Fig Current measurement with an additional ammeter example UMG S2 I S1 Einspeisu...

Страница 29: ...e designed to be as short as possible Maintain as much distance as possible to power ca bles and to consumers e g electrical motors neon tubes transformers In order to prevent cross currents in the bu...

Страница 30: ...nected together in a single segment However the characteristics of the Master device are the defining factors here If the master is replaced the bus is out of service Devices can be replaced without t...

Страница 31: ...in the bus system can be quickly localised Slave device Master control Slave device Slave device Slave device Master control Slave device Slave device Slave device Slave device Slave device Slave devi...

Страница 32: ...be shielded An external auxiliary voltage is required The digital outputs can be used as pulse outputs The digital outputs can output results from comparators Fig Connection of digital pulse outputs A...

Страница 33: ...33 UMG 96RM M...

Страница 34: ...ured value displays to be shown alternately after a settable changeover time Programming mode In the programming mode the settings required for operating the UMG 96RM M can be displayed and changed Pr...

Страница 35: ...35 UMG 96RM M Button 1 Button 2 Export Mean value CT Current transformer VT Voltage transformer K1 Output 1 K2 Output 2 Password Phase conductor Phase conductor Sum measurement Programming mode...

Страница 36: ...he device always only displays the first 3 significant digits of a value Selected measured values are summarised in measured value display profiles and can be shown in display mode using buttons 1 and...

Страница 37: ...d values 2a Measured values 2b long short Programming mode simultaneous Change mode Browse long short Programming menu 1 Programming menu 2 Programming menu 3 Programming Programming menu 1 Confirm se...

Страница 38: ...ected When connecting voltage transformers the measure ment voltage on the UMG 96RM M nameplate must be observed c Attention Supply voltages that do not correspond to the nameplate information can lea...

Страница 39: ...or the programming mode PRG and for the current transformer CT appear Confirm the selection with button 1 The first digit of the input area for the primary current starts flashing Current transformer...

Страница 40: ...t digit of the input area for the primary current starts flashing The ratio of primary to secondary voltage of the voltage transformer can be set in the same way as the assignment of the current trans...

Страница 41: ...o switch to the voltage transformer setting The first parameter of the parameter list is shown by repeatedly pressing button 2 Changing parameters Confirm the selection with button 1 The most recently...

Страница 42: ...i mary address a further opportunity to speak directly to the device within the bus system The composition of the secondary address is broken down into a device specific section and an extended sectio...

Страница 43: ...r 042 Setting Baud rate 0 300 Baud 1 600 Baud 2 1200 Baud 3 2400 Baud 4 4800 Baud 5 9600 Baud 6 19200 Baud 7 38400 Baud Baud rate addr 001 A common baud rate is adjustable for the M Bus inter faces Th...

Страница 44: ...last clearance All minimum and maximum values are compared with the corresponding measured values and are overwritten if they are undercut or exceeded The minimum and maximum values are stored in an E...

Страница 45: ...and all other resulting values are calculated based on the previous frequency measurement and possible cable connecting sockets and continue to be displayed However these derived measured values are...

Страница 46: ...UMG 96RM M has energy meters for active energy reactive energy and apparent energy Reading the active energy Total active energy The active energy in this example is 12 345 678 kWh The active energy...

Страница 47: ...for voltages are given in volts Fig Display of the 15th harmonic of the current in the L3 phase example Number of the harmonic Phase L3 Current harmonic Value C Harmonics are not displayed in the fact...

Страница 48: ...r time greater than 0 seconds If a button is pressed the measured value displays of the selected display profile can be browsed If no button is pressed for about 60 seconds the device switches to the...

Страница 49: ...splay profile 2 default setting 2 Display profile 3 default setting User password addr 050 A user password can be programmed in order to impede any accidental change to programming data A switch to th...

Страница 50: ...s a clockwise spinning rotation field The phase sequence at the voltage measurement inputs is checked and displayed in the UMG 96RM M A movement of the character string in the clockwise direction mean...

Страница 51: ...backlight is activated by pushing the ap propriate button or with a restart Standby backlight addr 747 This backlight is activated after an adjustable period of time addr 746 If no button is pressed...

Страница 52: ...violation in the comparator result The total running time of the comparator can only be reset via the GridVis software The reset is carried out for all total running times Time recording The UMG 96RM...

Страница 53: ...e plate The serial number cannot be changed Software release addr 750 The software for UMG 96RM is continuously improved and expanded The software version in the device is marked with a 3 digit number...

Страница 54: ...e information can lead to device malfunction or destruction m Attention The UMG 96RM M is not suitable for the measurement of DC voltages Applying the measured current The UMG 96RM M is designed for c...

Страница 55: ...ions S1 k and S2 I on the current transformer are inverted Active energy is being returned to the network Checking the measurement If all voltage and current measurement inputs are correctly connected...

Страница 56: ...or the respective phase conductor are correctly displayed the sum power ratings measured by the UMG 96RM M must also be correct For confirmation the sum power ratings measured by the UMG 96RM M should...

Страница 57: ...r of data points 0 27 Supports protocol types SND_NKE E5 and REQ_UD2 RSP_UD2 Slave search Search on M Bus C The UMG 96RM M loads the M Bus with an M Bus device load of 1 5 mA Number of data points The...

Страница 58: ...1 N Name SIG2 DIF Data Data SC Stop Cont 0 16 Measurement signal level The data transfer in the M Bus network is implemented through modulation of the supply voltage whereby the voltage for a high si...

Страница 59: ...active energy capacitive varh 10 1 6 6 Reac energy without backst dev varh 10 1 6 7 Apparent energy VAh 10 2 6 8 Runtime comparator 1a sek 1 1 4 9 Runtime comparator 1b sek 1 2 4 10 Runtime comparator...

Страница 60: ...vice Format Byte 19 Uln Phase L1 mV 100 1 4 20 Uln Phase L2 mV 100 2 4 21 Uln Phase L3 mV 100 3 4 22 I Phase L1 mA 1 1 4 23 I Phase L2 mA 1 2 4 24 I Phase L3 mA 1 3 4 25 P Phase L1 W 1 1 4 26 P Phase...

Страница 61: ...X X 0x04 X 7 Apparent energy 0x86 0x80 0x40 X 0x04 X 8 Runtime comparator 1a 0x84 0x40 X X 0x24 X 9 Runtime comparator 1b 0x84 0x80 0x40 X 0x24 X 10 Runtime comparator 1c 0x84 0xC0 0x40 X 0x24 X 11 Ru...

Страница 62: ...0x80 0x40 X 0xFD 0x48 21 Uln Phase L3 0x84 0xC0 0x40 X 0xFD 0x48 22 I Phase L1 0x84 0x40 X X 0xFD 0x59 23 I Phase L2 0x84 0x80 0x40 X 0xFD 0x59 24 I Phase L3 0x84 0xC0 0x40 X 0xFD 0x59 25 P Phase L1 0...

Страница 63: ...0 00 00 84 80 40 24 00 00 00 00 84 C0 40 24 00 00 00 00 84 80 80 40 24 00 00 00 00 84 C0 80 40 24 00 00 00 00 84 80 C0 40 24 00 00 00 00 04 24 FA 4F 00 00 84 80 80 40 FD 59 00 00 00 00 84 C0 80 40 2 B...

Страница 64: ...rs Excerpt Data points 1 to 6 Note The procedure for the verifica tion of the M Bus occurred with a M Bus Scanner of Wachen dorff GmbH Geisenheim The figure shows a part of the soft ware and is subjec...

Страница 65: ...65 UMG 96RM M Work values within the software GridVis Control of the values 187E 6270 10 resolution 62700 Wh...

Страница 66: ...Addr 100 Measured value address Addr 106 Minimum pulse length Addr 102 Pulse value Addr 200 0 Addr 200 1 0 1 0 1 0 1 Inverter Addr 201 0 not inverted Addr 201 1 inverted 0 1 Addr 608 0 State of digita...

Страница 67: ...e UMG 96RM M display by circular symbols States of the digital output A current of 1 mA can flow Digital output 1 Address 608 0 Digital output 2 Address 609 0 A current of 50 mA can flow Digital outpu...

Страница 68: ...ulse value Fig Block diagram Example of digital output 1 as a pulse output Measured value selection addr 100 101 Enter the power value here that is to be issued as an energy pulse See Table 2 Source s...

Страница 69: ...or days Pulse length 10 ms 10 s Pulse pause 10 ms Due to the minimum pulse length and minimum pulse pause the values in the table are for the maximum number of pulses per hour Examples for the maximum...

Страница 70: ...only be issued if the measured value also has a positive sign If the pulse value is specified with a negative sign pulses will only be issued if the measured value also has a negative sign C Since th...

Страница 71: ...V Power per phase 150 A x 300 V 45 kW Power for 3 phases 45 kW x 3 Maximum connected load 135 kW Calculating the pulse value Fig Connection example for wiring the pulse output 230 V AC 24 V DC Externa...

Страница 72: ...rator group 2 is assigned to digital output 2 Block diagram Use of digital output 1 for limit value monitoring Digital output 1 13 14 Source selection Addr 200 0 0 1 Comparator group 1 Comparator A Co...

Страница 73: ...100 A For a minimum exposure time of 2 minutes digital output 1 should remain switched if the limit value is exceeded Address 111 120 seconds For the lead time of 60 seconds any exceeding should be m...

Страница 74: ...tor output is active adr 145 Measured value addr 110 Limit value addr 108 Minimum turn on time addr 111 Lead time addr 112 Operator addr 113 Comparator A Measured value addr 116 Limit value addr 114 M...

Страница 75: ...econds can be assigned to the lead time Operator addr 113 119 125 132 138 144 Two operators are available for comparing the measured value and the limit value Operator corresponds to 0 greater than or...

Страница 76: ...76 UMG 96RM M Measured value Limit value Exceedance Lead time Minimum turn on time Comparator result 2 seconds 2 seconds...

Страница 77: ...1012 1 1012 1 0 110 SHORT RD WR Comparator 1A Address of the measured value 0 32000 0 111 SHORT RD WR s Comparator 1A Minimum turn on time 0 32000 0 112 SHORT RD WR s Comparator 1A Lead time 0 32000 0...

Страница 78: ...or 2A Minimum turn on time 0 32000 0 131 SHORT RD WR s Comparator 2A Lead time 0 32000 0 132 SHORT RD WR Comparator 2A Operator 0 1 0 0 1 133 FLOAT RD WR Comparator 2B Limit value 1012 1 1012 1 0 135...

Страница 79: ...2 0 602 SHORT RD WR Value for output 1 0 1 605 SHORT RD WR Value for output 2 0 1 608 SHORT RD State of output 1 609 SHORT RD State of output 2 610 SHORT RD Comparator result 1 Output A 611 SHORT RD C...

Страница 80: ...recycling provisions The lithium battery must be disposed of separately Service If questions arise that are not described in this manual please contact the manufacturer directly We require the follow...

Страница 81: ...81 UMG 96RM M...

Страница 82: ...for an error message Error number The three digit error number is composed of the error description and if detectable by the UMG 96RM M one or more error causes Symbol for an error message Description...

Страница 83: ...the calibration Internal causes of the error The UMG 96RM M can usually determine the cause of an internal error and then report it with the following error code The device must be sent to the manufac...

Страница 84: ...ance occurred is indicated with the up arrow The V and A symbols show whether the metering range exceedance occurred in the current or voltage circuit I 7 Aeff UL N 300 Vrms Limit values for metering...

Страница 85: ...s stored encoded in the parameters of the metering range exceedance addr 600 in the following format Example Error in phase 2 in the current circuit 0xF2FFFFFF Example Error in phase 3 in the voltage...

Страница 86: ...he peak current value at the measurement input was exceeded by current harmonics Install current transformer with a higher current transformer ratio The current at the measurement input was exceeded I...

Страница 87: ...energy import export is inverted At least one current transformer connection is inverted Check and correct the connection if necessary A current circuit is assigned to the wrong voltage circuit Check...

Страница 88: ...mperature K55 25 C to 70 C Relative humidity 0 to 90 RH Ambient conditions during operation The UMG 96RM M is intended for use in weather protected fixed locations Protection class II according to IEC...

Страница 89: ...CATIII Power consumption max 4 5VA 2W Option 24V Nominal range 24V 90V AC DC 150V CATIII Power consumption max 2 5VA 2W Operating range 10 of nominal range Internal fuse not replaceable Typ T1A 250V 2...

Страница 90: ...th ferrules with plastic sleeve 0 20 1 5mm2 Tightening torque 0 20 0 25Nm Stripping length 7mm Outputs 2 digital outputs semi conductor relay not short circuit protected Switching voltage max 33V AC 6...

Страница 91: ...rms Metering range L L 01 520Vrms max overvoltage 900Vrms Resolution 0 01V Crest factor 2 45 relative to the metering range Impedance 3M phase Power consumption approx 0 1 VA Sampling rate 21 33 kHz 5...

Страница 92: ...A sinusoidal Sampling rate 21 33 kHz 50 Hz 25 6 kHz 60 Hz per measuring channel Connection capacity of the terminals voltage and current measurement Connectable conductor Only one conductor may be co...

Страница 93: ...gle wire multi wire finely stranded conductor 0 20 1 5mm2 Pin terminals ferrules 0 20 1 5mm2 Tightening torque 0 20 0 25Nm Stripping length 7mm Serial interface M Bus 300 600 1200 2400 4800 9600 19200...

Страница 94: ...45 65 Hz 45 00 Hz 65 00 Hz Phase current I 0 2 IEC61557 12 0 6 Arms 0 A 999 kA Measured neutral conductor current I4 IN Calculated neutral conductor current INc 1 0 IEC61557 12 0 03 25 A 0 03 A 999 k...

Страница 95: ...5 kHz 0 999 THD of the current 4 THD Ri Mains signal voltage MSV 5 Accuracy class 0 5 with 5 A transformer Accuracy class 1 with 1 A transformer 6 Accuracy class 0 5S according IEC62053 22 1 Referred...

Страница 96: ...Current transformer I2 sec 1 5 5 22 FLOAT RD WR V Voltage transformer V2 prim 0 1000000 400 Adress Format RD WR Unit Note Adjustment Range Default Parameter and Modbus address list The following exce...

Страница 97: ...WR Backlight 0 9 6 0 low 9 high 37 SHORT RD WR Display profile 0 3 0 0 default display profile 1 default display profile 2 default display profile 3 only for internal use 38 SHORT RD WR Display change...

Страница 98: ...gnment U L3 0 3 1 3 506 SHORT RD WR Clear min and max values 0 1 0 507 SHORT RD WR Clear energy meter 0 1 0 508 SHORT RD WR Force write EEPROM 0 1 0 Note Energy values and minimum and maximum values a...

Страница 99: ...N 812 FLOAT RD V Voltage L3 N 814 FLOAT RD V Voltage L1 L2 816 FLOAT RD V Voltage L2 L3 818 FLOAT RD V Voltage L1 L3 820 FLOAT RD Fund power factor CosPhi U L1 N IL1 822 FLOAT RD Fund power factor Cos...

Страница 100: ...1 I2 I3 868 FLOAT RD W Real power P1 L1N 870 FLOAT RD W Real power P2 L2N 872 FLOAT RD W Real power P3 L3N 874 FLOAT RD W Sum Psum3 P1 P2 P3 876 FLOAT RD var Fund reactive power Q1 L1N 878 FLOAT RD va...

Страница 101: ...I L1 928 FLOAT RD A Current real part I L2 930 FLOAT RD A Current real part I L3 932 FLOAT RD A Current imaginary part I L1 934 FLOAT RD A Current imaginary part I L2 936 FLOAT RD A Current imaginary...

Страница 102: ...102 UMG 96RM M Dimensional drawings All dimensions in mm max 6 91 5 104 96 42 Rear view Side view...

Страница 103: ...103 UMG 96RM M Bottom view 97 91 5 Cutout dimensions 92 0 8 92 0 8...

Страница 104: ...ive power L2 active power L3 active power B05 Profile 1 2 3 Mean value Sum Active power B06 Profile 1 2 3 Maximum values L1 N voltage L2 N voltage L3 N voltage C01 Profile 1 2 3 Maximum values L1 L2 v...

Страница 105: ...value Sum Apparent power B08 Profile 1 2 3 Mean values L1 reactive power L2 reactive power L3 reactive power B09 Profile 1 2 3 Mean value Sum of reactive power B10 Profile 1 2 3 Measured value Distor...

Страница 106: ...2 B13 Profile 1 2 3 Maximum value Distortion factor THD I L2 B14 Profile 1 2 3 Mean value Sum of cos phi B16 Profile 1 2 3 Measured value Total active energy import B18 Profile 1 2 3 Maximum value Dis...

Страница 107: ...2 3 Measured value 3rd harmonic U L3 B23 Profile 2 3 Measured value 3rd harmonic I L1 B24 Profile 2 3 Measured value Sum Reactive energy ind C19 Profile 1 2 3 Comparator 6 Total running time G20 Profi...

Страница 108: ...alue 3rd harmonic U L2 B28 Profile 2 Maximum value 3rd harmonic U L3 B29 Profile 2 Maximum value 3rd harmonic I L1 B30 Profile 2 Measured value 13th harmonic I L3 G26 Profile 2 3 Maximum value 13th ha...

Страница 109: ...A24 A25 A26 Display change profile 3 A01 A03 A05 A06 A16 Maximum value 1st harmonic I L2 A31 Profile 2 Maximum value 1st harmonic I L3 A32 Profile 2 Maximum value 3rd harmonic I L2 B31 Profile 2 Maxi...

Страница 110: ...L2 L3 Consumer 230V 400V 50Hz N S2 S1 S2 S1 S2 S1 Digital outputs Supply voltage Voltage input Current input Anschlussbeispiel 1 UL IEC approved overcurrent protection device 6 A Char B 2 UL IEC appr...

Страница 111: ...111 UMG 96RM M...

Страница 112: ...he secondary current Select the secondary current with button 1 Change the flashing digit with button 2 Leaving the programming mode Simultaneously press buttons 1 and 2 for approx 1 second again in o...

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