Bender NGRM700 Manual Download Page 5

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Table of Contents

NGRM700_D00292_04_M_XXEN/09.2019

7.6

History (menu 3) .............................................................................................. 42

7.7

Pulser (menu 4) ................................................................................................ 42

7.8

Display (menu 5) .............................................................................................. 43

7.9

HRG settings (menu 6) ................................................................................... 43

7.9.1

HRG system (menu 6.1) ................................................................................. 43

7.9.2

CT (menu 6.2) .................................................................................................... 43

7.9.3

NGR (menu 6.3) ................................................................................................ 44

7.9.4

Phase monitor (menu 6.4) ............................................................................ 44

7.9.5

Response values (menu 6.5) ........................................................................ 44

7.9.6

System settings (menu 6.6) .......................................................................... 47

7.9.7

Field calibration (menu 6.7) ......................................................................... 49

7.10

Device settings (menu 7) .............................................................................. 49

7.11

Commissioning (menu 8) ............................................................................. 54

7.12

Info (menu 9) ..................................................................................................... 54

7.13

Alarm (menu 10) .............................................................................................. 54

8. Initial commissioning ........................................................................... 55

8.1

Response values ............................................................................................... 55

8.2

Output relays operating modes ................................................................. 56

8.2.1

Field calibration ................................................................................................ 56

8.2.2

Trip times ............................................................................................................ 56

8.3

RMS trip signal, fundamental, harmonics ............................................... 59

8.4

Initial measurement ........................................................................................ 59

9. Analogue and digital I/O configuration ........................................... 61

9.1

Analogue output (menu 6.6.4) ................................................................... 61

9.2

Digital outputs (Q1, Q2) ................................................................................ 61

9.2.1

Use of Q1: System condition ...................................................................... 62

9.2.2

Use of Q2: Pulser ............................................................................................. 62

9.3

Digital input ....................................................................................................... 62

10. Test cycle .............................................................................................. 63

11. Factory settings ................................................................................... 65

Summary of Contents for NGRM700

Page 1: ...NGRM700 Neutral Grounding Resistor Monitor NGRM700_D00292_04_M_XXEN 09 2019 Manual EN ...

Page 2: ...erg Germany P O Box 1161 35301 Grünberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de www bender de Bender GmbH Co KG All rights reserved Reprinting only with permission of the publisher Subject to change Photos Bender archive ...

Page 3: ...nty and liability 9 1 7 Disposal 10 2 Safety instructions 11 2 1 General safety instructions 11 2 2 Work activities on electrical installations 11 2 3 Intended use 11 2 4 Glossary 12 3 Function 13 3 1 Device features 13 3 2 Functional description 14 3 3 Recommended minimum value RNGR tripping level 50 15 3 3 1 Recommended RNGR for system voltage Usys 4300 V 15 3 3 2 Recommended RNGR for system vol...

Page 4: ... 3 Connection Usys 690 V 25 5 3 4 Artificial neutral delta connection 26 5 4 Measuring current transformer connection 26 5 5 Connection of relays ground fault NGR and trip relay 28 5 6 Connection to the X1 interface 29 5 6 1 X1 Input I1 3 29 5 6 2 X1 Output Q1 2 30 5 6 3 X1 Analogue output 31 6 User interface FP200 NGRM 33 6 1 Standard display 35 6 2 Fault indication active 35 6 3 Fault indication...

Page 5: ...u 6 7 49 7 10 Device settings menu 7 49 7 11 Commissioning menu 8 54 7 12 Info menu 9 54 7 13 Alarm menu 10 54 8 Initial commissioning 55 8 1 Response values 55 8 2 Output relays operating modes 56 8 2 1 Field calibration 56 8 2 2 Trip times 56 8 3 RMS trip signal fundamental harmonics 59 8 4 Initial measurement 59 9 Analogue and digital I O configuration 61 9 1 Analogue output menu 6 6 4 61 9 2 D...

Page 6: ...Table of Contents 6 NGRM700_D00292_04_M_XXEN 09 2019 12 Error codes 67 13 Technical data 69 13 1 Tabular data 69 13 2 Ordering details 75 13 2 1 NGR monitor 75 13 2 2 Accessories 76 ...

Page 7: ...bility for injury to persons or damage to property resulting from errors or mistakes in this manual This manual is intended for qualified personnel working in electrical engineering and electronics This signal word indicates that there is a high risk of danger that will result in electrocution or serious injury if not avoided This signal word indicates a medium risk of danger that can lead to deat...

Page 8: ...der products Hardware and software update for Bender devices Delivery of replacement devices in the event of faulty or incorrectly delivered Bender devices Extended guarantee for Bender devices which includes an in house repair service or replacement devices at no extra cost Telephone 49 6401 807 780 technical issues 49 6401 807 784 785 sales Fax 49 6401 807 789 E mail repair bender service de Ple...

Page 9: ...e as part of deliveries modifications and changes to gen eral delivery conditions for products and services in the electrical industry set out by the ZVEI Zentralverband Elektrotechnik und Elektronikindustrie e V German Electri cal and Electronic Manufacturer s Association also applies Sale and delivery conditions can be obtained from Bender in printed or electronic for mat 1 5 Inspection transpor...

Page 10: ...e national regulations and laws governing the disposal of this device Ask your supplier if you are not sure how to dispose of the old equipment The directive on waste electrical and electronic equipment WEEE directive and the di rective on the restriction of certain hazardous substances in electrical and electronic equipment RoHS directive apply in the European Community In Germany these pol icies...

Page 11: ...unded systems In these systems the NGRM700 monitors the current through the neutral grounding resistor NGR the voltage between the star point of the transformer and earth voltage drop across the NGR the condition of the NGR line to line and line to earth voltages Onlyqualifiedpersonnelarepermittedtocarryouttheworknecessaryto install commission and run a device or system Danger of electrocution due...

Page 12: ...e NGR NER Neutral Earthing Resistor NER NGR NGR Neutral Grounding Resistor NTP Network Time Protocol PT Potential Transformer RNGR NGR resistance value RNGR nom NGR nominal resistance RS Sense resistor CD series coupling device PLC Programmable Logic Controller UNGR Voltage on the NGR UNGR nom Nominal voltage across the NGR Usys System voltage UTC Universal Time Coordinated Systems with a high res...

Page 13: ...GB and US Spanish French Test button internal external with without tripping FFT analysis of the measuring signals Pulser for manual ground fault location Relay for detection of ground faults and resistor faults Relay for shutdown of the installation after a configurable time Can be combined with RCMS for automatic shutdown of feeders Graphical user interface Wide supply voltage range 24 to 240 Va...

Page 14: ...tive measurement method When the passive method is selected no switching of the monitoring takes place No monitoring of the NGR occurs while the installation is de energised The NGR relay switches from alarm state to operating state when the measured resist ance RNGR is within the configured thresholds A ground fault is signalled via the corresponding ground fault relay when INGR or UNGR exceeds t...

Page 15: ...R for system voltage Usys 4300 V Tab 3 1 Recommended RNGR for system voltage Usys 4300 V CD1000 CD1000 2 CD1000 2 CD5000 Usys 400 V 600 V 690 V 1000 V 2400 V 4200 V INGR 1 A 231 Ω 346 Ω 398 Ω 577 Ω 1386 Ω 5 A 46 Ω 69 Ω 80 Ω 115 Ω 277 Ω 485 Ω 10 A 23 Ω 35 Ω 40 Ω 58 Ω 139 Ω 242 Ω 15 A 15 Ω 23 Ω 27 Ω 38 Ω 92 Ω 162 Ω 20 A 17 Ω 20 Ω 29 Ω 69 Ω 121 Ω 25 A 16 Ω 23 Ω 55 Ω 97 Ω 30 A 19 Ω 46 Ω 81 Ω 40 A 35 Ω...

Page 16: ...0 V 6600 V 7200 V 11000 V 14400 V 25000 V INGR 1 A 5 A 693 Ω 762 Ω 831 Ω 1270 Ω 1663 Ω 10 A 346 Ω 381 Ω 416 Ω 635 Ω 831 Ω 1443 Ω 15 A 231 Ω 254 Ω 277 Ω 423 Ω 554 Ω 962 Ω 20 A 173 Ω 191 Ω 208 Ω 318 Ω 416 Ω 722 Ω 25 A 139 Ω 152 Ω 166 Ω 254 Ω 333 Ω 577 Ω 30 A 115 Ω 127 Ω 139 Ω 212 Ω 277 Ω 481 Ω 40 A 87 Ω 95 Ω 104 Ω 159 Ω 208 Ω 361 Ω 50 A 76 Ω 83 Ω 127 Ω 166 Ω 289 Ω 100 A 83 Ω 144 Ω ...

Page 17: ...essaryto install commission and run a device or system Danger of electrocution due to electric shock Touching live parts of the system carries the risk of An electric shock Damage to the electrical installation Destruction of the device Before installing and connecting the device make sure that the installation has been de energised Observe the rules for working on electrical installations DANGER ...

Page 18: ...on diagram NGRM700 Fig 4 2 Dimension diagram and mounting position NGRM700 a k j i h g f e d c b l 3 55 50 61 40 63 35 150 125 230 245 205 223 50 211 a k j i h g f e d c b l 0 12 2 19 2 42 2 49 5 91 4 92 9 06 9 65 8 07 8 80 8 31 mm in 6 0 236 Mounting position top ...

Page 19: ...rom enclosure Fig 4 4 Removing FP200 NGRM from enclosure A1 A2 11 12 14 21 22 24 31 32 34 L1 L2 L3 RSE 5A C 50mA X1 Ethernet R on off SERVICE TRIPPED NGR FAULT GROUND FAULT ON MENU RESET DATA INFO OK ESC TRIPPED NGR FAULT GROUND FAULT ON FP200 TEST NGRM700 LINETRAXX Top Front Bottom PH 1 1 2 X1 ETH R X1 ETH R OFF ON ...

Page 20: ...can be increased to IP65 by means of the transparent front plate cover B98060005 Place the front cover over the yellow front of the FP200 NGRM before installing it 1 2 3 4 5 IP 65 68 0 7 0 mm max 5 3 mm 138 0 5 0 mm 66 0 5 0 mm 0 3 Nm 10 RJ45 Remote RJ45 Ethernet TRIPPED NGR FAULT GROUND FAULT ON SERVICE TRIPPED NGR FAULT GROUND FAULT ON MENU RESET DATA INFO OK ESC TEST Remote max 5 m Switch B9806...

Page 21: ... V may be present at the terminals L1 L3 Direct contact with these will likely result in electrocution Provide line protection According to IEC 60364 4 43 a line protection shall be provided for the supply voltage Risk of property damage due to unprofessional installation The connecting lines L1 L2 L3 to the system to be monitored must be carried out as spur lines Inadmissibleload current can resu...

Page 22: ...ion descriptions of CD series coupling device N Connection to star point G1 RS Connection to RS of the NGRM700 G E Connection to E of the NGRM700 and to the protective earth con ductor of the installation PE Rs E N CD1000 2 CD14400 CD25000 G1 G N CD1000 CD5000 ...

Page 23: ...s to be monitored Fig 5 1 Star configuration up to 690 V The N connection of the CD series coupling device should be as close to the transformer star point as possible k l AC DC 24 240 V 6 A 6 A A1 A2 L1 L2 L3 RS E C 50mA 5A NGR NGRM700 CT Rs G1 E G N CD 31 32 34 21 22 24 11 12 14 FP200 NGRM X1 Ethernet 6 A 6 A 6 A L1 L2 L3 NGR fault Ground fault Trip Circuit breaker for tripping systems ...

Page 24: ...the transformer star point as possible An intermediate relay may be required between the power contactor of the pulser and the digital output at X1 of the FP200 NGRM k l AC DC 24 240 V 6 A 6 A A1 A2 L1 L2 L3 RS E C 50mA 5A NGR NGRM700 CT Rs G1 E G N CD 31 32 34 21 22 24 11 12 14 FP200 NGRM X1 Ethernet 6 A 6 A 6 A L1 L2 L3 NGR fault Ground fault Trip Circuit breaker for tripping systems RP RP RPuls...

Page 25: ... 3 Star configuration Usys 690 V Note PT ratio primary secondary can be adjusted in the NGRM700 The N connection of the CD series coupling device should be as close to the transformer star point as possible k l AC DC 24 240 V 6 A 6 A A1 A2 L1 L2 L3 RS E C 50mA 5A NGR NGRM700 CT Rs G1 E G N CD 31 32 34 21 22 24 11 12 14 FP200 NGRM X1 Ethernet PT L1 L2 L3 NGR fault Ground fault Trip Circuit breaker ...

Page 26: ...rmer 5 4 Measuring current transformer connection Depending on the system to be monitored a suitable measuring current transformer has to be chosen All common measuring current transformers 50 mA or 5 A on the sec ondary side can be used k l AC DC 24 240 V 6 A 6 A A1 A2 L1 L2 L3 RS E C 50mA 5A NGRM700 CT CD 31 32 34 21 22 24 11 12 14 FP200 NGRM X1 Ethernet 6 A 6 A 6 A Rs G1 E G N NGR L1 L2 L3 NGR ...

Page 27: ...00 1 600 1 60 5 Length connecting cables max 10 m provided cable or cable of 0 75 1 5 mm AWG18 16 max 40 m provided cable or cable of 0 75 1 5 mm AWG18 16 max 25 m 4 mm AWG 12 max 40 m 6 mm AWG12 IΔn Currents detected AC pulsed AC DC AC pulsed A AC pulsed A Type Bender CT W35 120AB W20 120 W1 S35 W5 S210 CTB31 41 CT Terminal k NGRM700 50 mA NGRM700 50 mA NGRM700 5 A CT Terminal l NGRM700 C NGRM700...

Page 28: ...on of relays ground fault NGR and trip relay Fig 5 6 Connection of relays When using a W AB current transformer the arrow on the top of the CT must point to the right as shown in the wiring diagram setting IΔn 500 mA NGRM C 50mA l k 50 mm 1 97 in 250 mm 9 84 in 12V GND 12V WXS NGR CD N N W AB 11 12 14 31 24 32 34 21 22 Ground fault relay NGR relay Trip relay ...

Page 29: ...Potential free contact to ground or 0 V and 24 V in conjunction with a PLC I1 Pulser IN I2 Reset IN I3 Test IN A Modbus RTU A B Modbus RTU B Ground M Analogue output Q2 Open Collector Pulser OUT Q1 Open Collector System condition system health Output for supply of external relays 24 V max 100 mA I1 I2 I3 A B M Q2 Q1 150 ms 150 ms I1 3 X1 X1 I1 3 X1 X1 150 ms 150 ms open Switch closed active passiv...

Page 30: ...X1 24 V is 100 mA In case of higher currents the relays require an external 24 V supply The maximum current on Q1 and Q2 is 300 mA each Pull up 10 kΩ FP200 NGRM X1 24 V max 100 mA Q max 300 mA 24 V Pull up 10 kΩ FP200 NGRM X1 24 V max 100 mA Q max 300 mA 24 V Pull up 10 kΩ FP200 NGRM X1 24 V max 100 mA Q In Internal 24 V External supply e g 12 24 V Connection to PLC PLC ...

Page 31: ...sured value to output signal l Analogue output Mode Permissible load Current output 0 20 mA 600 Ω 4 20 mA 600 Ω 0 400 μA 4 kΩ Voltage output 0 10 V 1 kΩ 2 10 V 1 kΩ In 4 20 mA and 2 10 V mode an output signal of 0 mA or 0 V indicates a wiring error of the analogue interface M A X1 X1 M X1 X1 V 0 0 10 mA 20 mA 100 200 RNGR 200 μA 5 V 400 μA 10 V 0 0 10 mA 20 mA 50 100 INGR 200 μA 5 V 400 μA 10 V 4 ...

Page 32: ...Connection 32 NGRM700_D00292_04_M_XXEN 09 2019 ...

Page 33: ...R fault a ground fault or a system error 5 NGR FAULT The LED flashes in case of a prewarning NGR fault detected NGR relay has tripped trip relay has not tripped yet tNGR trip elapses The LED is on when an NGR fault has been detected Trip relay and NGR relay have tripped 6 GROUND FAULT The LED flashes in case of a prewarning ground fault detected ground fault relay has tripped trip relay has not tr...

Page 34: ... parameter 10 TEST Starts the device self test Navigates forwards e g to the next setting step or selects param eter 11 INFO Shows information Navigates down in a list or reduces a value 12 DATA Indicates data and values OK Confirms an action or a selection 13 X1 Interface X1 see page 29 for more details 14 ETH Ethernet interface 15 R on off Terminating resistor for A B Modbus RTU Buzzer Active in...

Page 35: ...orange and indicates the fault message Depending on the fault type the GROUND FAULT NGR FAULT TRIPPED or SERVICE LEDs will be on If several fault mes sages appear navigate through the faults using the and buttons Return from any sub menu to the standard display by pressing and holding ESC for more than 2 s SERVICE TRIPPED NGR FAULT GROUND FAULT ON MENU RESET DATA INFO TEST FP200 NGR Monitor OK NGR...

Page 36: ...tton Fault messages can only be reset when the cause of fault has been eliminated Acknowledging Press the RESET button select Acknowledge and then OK to mute the buzzer and de lete the messages from the standard display After this the NGR monitor returns to the standard display No restart attempt takes place The fault messages remain stored in the history memory Reset Press the RESET button select...

Page 37: ...e overwritten by a new event record Display the history memory at MENU 3 History Legend display history memory No Description 1 View next message 2 Exit view 3 Fault description Alarm value 4 Fault appeared fault start time Fault disappeared fault end time 5 View previous message 6 Number of the selected fault Fault message count SERVICE TRIPPED NGR FAULT GROUND FAULT ON MENU RESET DATA TEST FP200...

Page 38: ...User interface FP200 NGRM 38 NGRM700_D00292_04_M_XXEN 09 2019 ...

Page 39: ...play Password Factory setting Software Service 2 Harmonics I U Device information Software information Clock and date information Ethernet information Earth fault relay NGR relay Trip relay Analogue Digital in out Buzzer Mode Relay test Mode Relay test Mode Relay test System OUT Pulser OUT Pulser IN Reset IN Test IN Buzzer alarm Buzzer test Mode Function UNGR Trip INGR Trip RNGR RNGR tNGR trip GF ...

Page 40: ...C Reject entry OK Save entry 7 4 Data measured values menu 1 List of measured values Navigate through the list using the and buttons Return from any sub menu to the standard display by pressing and holding ESC for more than 2 s Parameter Description R NGR NGR resistance value R NGR rel NGR relative1 resistance value Method Measurement method see menu 6 3 RSense Resistance value CD series coupling ...

Page 41: ...s Use ESC to return to the main menu I fund Current RMS value fundamental frequency I fund rel Current relative1 RMS value fundamental frequency U fund Neutral voltage RMS value fundamental frequency U fund rel Neutral voltage relative1 RMS value fundamental frequency I harm Current RMS value for selected harmonic frequency range 2 I harm rel Current relative1 RMS value for selected harmonic frequ...

Page 42: ...ctive regardless of ground faults that have occurred External The external input Pulser In can activate the pulser at any time Auto The pulser activates automatically in the event of a ground fault Inactive The pulser output is disabled tpulse menu 4 2 The pulse period can be set between 1 10 s The following diagram shows an overview of the pulser control Pulser control Fig 7 1 Pulser control The ...

Page 43: ...planatory notes 6 1 1 Usys L L 400 V 25 kV System phase to phase voltage 6 1 2 CD NGRM CD1000 CD5000 CD14400 CD25000 Other For CD1000 and CD1000 2 select CD1000 in the menu The selection depends on the system voltage Usys 6 1 3 Frequency 50 or 60 Hz Nominal frequency 6 1 4 INGR nom 0 5 100 A Nominal value of the NGR current 6 1 5 RNGR nom 15 5000 Ω Nominal value of the used NGR resistance Menu Par...

Page 44: ... is detected the ground fault relay connections 11 12 14 switches immediately 40 ms the trip relay connections 31 32 34 switches after tGF trip has elapsed Menu Parameter Setting range Explanatory notes 6 3 1 Method auto passive auto automatic changeover between active and passive resistor monitoring passive only passive resistor monitoring see page 14 6 3 2 PT primary 1 10 000 Ratio of the potent...

Page 45: ... a man ual reset menu 9 or via input I2 If the restart is not successful it must be re tried after further fault elimination b Restart installation automatically alarm stored menu 6 5 8 off In the event of a fault the trip relay changes state and the installation shuts down The fault must be eliminated After the configured time delay trestart has elapsed the NGRM700 attempts to restart the install...

Page 46: ...t detection and operation of the trip relay only used when ground fault trip is set to on 6 5 6 6 5 8 Alarm stored on Triggered trip relay must be reset manually RESET or input I2 off Automatic restart attempts after trestart has elapsed max number like setting 6 5 9 6 5 9 trestart On the device t restart 100 ms 24 h Time delay between fault elimination and auto matic restart of the installation o...

Page 47: ... trigger the trip relay if the threshold value has been exceeded only active when Harmonics is selected at 6 5 10 6 5 13 Lower limit harmonic Menu Parameter Setting range Explanatory notes 6 6 1 Ground fault relay Mode 6 6 1 1 Fail safe non fail safe 1 Relay test 6 6 1 2 on off 2 6 6 2 NGR relay Mode 6 6 2 1 Fail safe non fail safe 1 Relay test 6 6 2 2 on off 2 6 6 3 Trip relay Mode 6 6 3 1 Fail s...

Page 48: ...oing so the voltage or current is proportional to the measured value See chapterl 9 1 Analogue output menu 6 6 4 for more details 6 6 5 Digital inputs out puts System OUT 6 6 5 1 Fail safe non fail safe 1 Pulser OUT 6 6 5 2 Fail safe non fail safe Pulser IN 6 6 5 3 Active high Active low Active high Activation of the function when input level changes from low to high Active low Activation of the f...

Page 49: ...perating environment before carrying out the field calibration 7 10Device settings menu 7 Further information on the configurable parameters can be found following the over view in the table The trip relay is switched during field calibration Menu Parameter Note 7 1 Language German English GB English US Spanish French 7 2 Clock Time 7 2 1 Set local time Format 7 2 2 12 h am pm 24 h Summer time 7 2...

Page 50: ...s 7 3 3 3 Timeout 7 3 3 4 TTL for subscription 7 3 3 5 Modbus TCP 7 3 4 Port 502 7 3 4 1 Modbus RTU 7 3 5 Address 7 3 5 1 Baud rate 7 3 5 2 Parity 7 3 5 3 Stop bits 7 3 5 4 7 4 Display5 Brightness 7 4 1 0 100 Decimal separators 7 4 2 Comma point 7 5 Password Password 7 5 1 Factory setting 0000 Status on off 7 6 Factory settings Changes are discarded and reset to factory settings 7 7 Software Updat...

Page 51: ...k forward by one hour from 02 00 to 03 00 Central European sum mer time always ends on the last Sunday in October at 03 00 CEST by setting the clock back one hour from 03 00 to 02 00 2 NTP menu 7 2 6 on Synchronisation via NTP server is enabled To use this function configure the NTP server off Synchronisation is disabled 3 UTC menu 7 2 8 Set the time according to UTC Coordinated Universal Time For...

Page 52: ...n menu 7 3 2 6 Enter the domain For questions regarding the configuration of the domain please contact your net work administrator BCOM menu 7 3 3 Set the parameters for communication with other devices via BCOM For further information refer to BCOM on page 50 System name menu 7 3 3 1 Enter the system name of the network in which the devices are located In order to guarantee that all devices are a...

Page 53: ...vices via Modbus RTU Address menu 7 3 5 1 1 247 Baud rate menu 7 3 5 2 the selectable options are 9 6 kbaud 19 2 kbaud 38 4 kbaud 57 6 kbaud Parity the selectable options are even uneven none Stop bits the selectable options are 1 2 auto 5 Brightness menu 7 5 1 Adjust the display brightness between 0 100 in steps of 10 If no button is pressed on the display for 15 minutes the brightness of the dis...

Page 54: ...m the standard display fault message remains stored in the history memory If the installation is de energised no restart attempts will take place Reset Mute buzzer delete message from the standard display fault message remains stored in the history memory If the installation is de energised restart attempts will be carried out which will only be successful after the fault has been eliminated The d...

Page 55: ...GR rated resistance RNGR nom 8 1 Response values The following parameters can be adjusted Trip threshold for voltage UNGR Trip threshold for current INGR Trip threshold for resistance RNGR Voltage trip threshold UNGR The threshold is set as a percentage of UNGR nom Setting range of trip threshold UNGR 10 100 factory setting 60 Current trip threshold INGR The trip threshold is set as a percentage o...

Page 56: ...alibration must be carried out During this process the set resistance value of the NGR calibrates to the measurement equip ment of the NGRM If calibration is not possible e g due to incorrect settings an error message appears 6 10 8 2 2 Trip times The three relays have different trip times Ground fault relay 40 ms not configurable NGR relay 7 5 s not configurable Trip relay 100 ms 24 h configurabl...

Page 57: ...r the used CD NGRM Usys Coupling device Max ttrip Menu 6 5 7 Ground fault trip settings menu 6 5 6 400 690 V CD1000 24 h on or off CD1000 2 691 1000 V CD1000 300 s on CD1000 2 24 h on or off CD5000 1001 4300 V CD5000 24 h on or off 4301 14550 V CD14400 60 s on CD25000 14551 25000 V CD25000 10 s on ...

Page 58: ...relay timing diagram Fig 8 1 Ground fault relay timing diagram NGR relay timing diagram Fig 8 2 NGR relay timing diagram 40 ms tGF trip 100 ms 24 h Ground fault Ground fault relay Trip relay Ground fault 0 60 s tNGR Trip NGR fault NGR fault relay Trip relay NGR fault 7 5 s ...

Page 59: ...he RMS value of the fundamental component 50 or 60 Hz Harmonics The filtered RMS value on the selected range of harmonics H0 DC H1 fundamental H2 2nd Harmonics H32 32nd Harmonics 8 4 Initial measurement During device start all measured values are recorded In the Harmonics measured value display menu 2 all spectral lines are always displayed This is independent of the trip signal setting On the sta...

Page 60: ...Initial commissioning 60 NGRM700_D00292_04_M_XXEN 09 2019 ...

Page 61: ...issible load 600 Ω 0 400 μA Permissible load 4 kΩ 0 10 V Permissible load 1 kΩ 2 10 V Permissible load 1 kΩ For further information refer to X1 Analogue output on page 31 Function menu 6 6 4 2 Set which measured values are assigned to the analogue output Setting options INGR RNGR 9 2 Digital outputs Q1 Q2 The digital outputs can draw current sink The current for the Open Collector output is 300 mA...

Page 62: ...es are ignored For further information refer to page 29 Mode No system error detected System error detected 1 Fail safe on energised Q1 low off de energised Q1 high Non fail safe off de energised Q1 high on energised Q1 low Mode Inactive Active Fail safe on energised Q2 low off de energised Q2 high Non fail safe off de energised Q2 high on energised Q2 low Pull up 10 kΩ FP200 NGRM X1 24 V max 100 ...

Page 63: ...rements of the operator but it must be carried out at least every six months Starting the test Start the test whether directly by pressing the TEST button or via the menu 10 3 or the input I3 activate for more than 150 ms During the test it must be ensured that the relays can actually switch off The following settings are required Ground fault relay menu 6 6 1 2 relay test on NGR relay menu 6 6 2 ...

Page 64: ...Test cycle 64 NGRM700_D00292_04_M_XXEN 09 2019 ...

Page 65: ...uency 50 Hz 4 INGR nom 5 A 5 R NGR nom 470 Ω Menu 6 2 CT 1 CT primary 600 2 CT secondary 1 3 CT connection 50 mA Menu 6 3 NGR 1 Method auto 2 PT primary 1 3 PT secondary 1 Menu 6 4 Phase monitor 1 Phase monitor on 2 PT primary 1 3 PT secondary 1 Menu 6 5 Response values 1 U NGR trip 60 2 I NGR trip 60 3 RNGR 150 4 RNGR 50 5 tNGR trip 0 s ...

Page 66: ...wer limit harmonic 0 Menu 6 6 System settings 1 Ground fault relay Mode fail safe Rel test on 2 NGR relay Mode fail safe Rel test on 3 Trip relay Mode fail safe Rel test on 4 Analogue Mode 4 20 mA Function R NGR 5 Dig in out System OUT fail safe Pulser OUT non fail safe Pulser IN active high RESET IN active high TEST IN active high 6 Buzzer Buzzer alarm off Buzzer test on Menu Factory settings ...

Page 67: ...nection between measur ing equipment and display unit Restart device 8 03 and 8 12 Error in the measuring signal generation Restart device If the error persists contact service 8 43 Error in the internal power supply unit positive supply voltage Restart device If the error persists contact service 8 44 Error in the internal power supply unit negative supply voltage Restart device If the error pers...

Page 68: ...Error codes 68 NGRM700_D00292_04_M_XXEN 09 2019 ...

Page 69: ... circuit 3 IC6 31 32 34 Rated voltage 690 V Overvoltage category III Rated impulse voltage IC1 IC2 6 8 kV IC2 IC3 6 4 kV IC3 IC4 6 4 kV IC4 IC5 6 4 kV IC5 IC6 4 kV Rated insulation voltage IC1 IC2 6 800 V IC2 IC3 6 250 V IC3 IC4 6 250 V IC4 IC5 6 250 V IC5 IC6 250 V Pollution degree exterior 3 Safe isolation reinforced insulation between IC1 IC2 6 overvoltage category III 800 V IC2 IC3 6 overvolta...

Page 70: ...4 120 V 2000 5000 m for UL and AS NZS 2081 applications AC DC 48 120 V Tolerance Us 15 Tolerance Us for ULapplications 50 15 Tolerance Us for AS NZS 2081 applications 25 20 Frequency range Us DC 40 70 Hz Power consumption typ 50 60 Hz 6 5 W 13 VA Phase monitoring Nominal measuring voltage Un 3 AC 100 690 V CAT III Measuring range 1 2 x Un Measurement accuracy 1 of Un Power consumption per phase 0 ...

Page 71: ...A Nominal measuring current In DC 50 60 Hz 50 3200 Hz 5 A Maximum continuous current 2 x In Overload capacity 10 x In for 0 03 s Measurement accuracy 2 of In Load 10 mΩ Measuring circuit 50 mA Nominal measuring current In DC 50 60 Hz 50 3200 Hz 50 mA Maximum continuous current 2 x In Overload capacity 10 x In for 2 s Measurement accuracy 2 of In Load 68 Ω Measuring circuits 5 A and 50 mA Response ...

Page 72: ...lue 0 100 UNGR nom Response delayground fault relay 40 ms 10 ms Response delaytrip relay configurable 100 ms 24 h Tolerance ttrip when set to RMS 20 0ms Fundamental 0 150 ms filter time Harmonics 0 150 ms filter time PT ratioprimary 1 10 000 PT ratiosecondary 1 10 000 DC immunity in case of active RNGR measurement with RS 20 kΩ DC 12 V with RS 100 kΩ DC 60 V Digital inputs Galvanic separation no L...

Page 73: ...nt AC 5A 3 A Rated operational current AC for UL applications 3 A 3 A Rated operationalvoltage DC 220 110 24 V Utilisation category DC12 Rated operational current DC 0 1 0 2 1 A Minimum current 1 mA at AC DC 10 V Environment EMC EMC immunity IEC 61000 6 2 IEC 60255 26 Ed 3 0 DIN EN 61000 6 2 EMC emission IEC 61000 6 4 IEC 60255 26 Ed 3 0 DIN EN 61000 6 4 Operating temperature 40 70 C 40 60 C for U...

Page 74: ... with plastic sleeve 0 5 1 5 mm Push wire terminals X1 Conductor sizes AWG 24 16 Stripping length 10 mm rigid flexible 0 2 1 5 mm flexible with ferrule without plastic sleeve 0 25 1 5 mm flexible withferrule with plastic sleeve 0 25 0 75 mm Other Operating mode continuous operation Mounting display oriented Altitude 5000 m AMSL Degree of protection internal components DIN EN 60529 IP30 Flammabilit...

Page 75: ...be extended in height from 66 mm to 68 mm 0 7 0 mm The degree of protection IP65 applies only to the user interface FP200 NGRM when us ing the front cover The degree of protection for the complete device is still IP30 Type Supply voltage Frequency range US Art No NGRM700 AC 24 240 V 40 70 Hz DC 24 240 V B94013700 Accessory for FP200 NGRM Transparent front cover 144x72 for IP65 B98060005 ...

Page 76: ...0 2 B98039053 1000 4200 V CD5000 B98039011 4300 14550 V CD14400 B98039054 14551 25000 V CD25000 B98039055 Voltage Current Type Art No AC up to 10 A W20 B98080003 AC up to 25 A W35 B98080010 W60 B98080018 W0 S20 B911787 W1 S35 B911731 W2 S70 B911732 AC DC up to 10 A W35AB B98080016 W60AB B98080026 W120AB B98080041 Type Supply voltage Terminal Art No AN420 AC 100 250 V 50 60 Hz DC 100 250 V Push wir...

Page 77: ...13 Device settings 49 DHCP 52 Digital input 62 Digital output 61 Display 43 Display and operating controls 33 Disposal 10 DNS server 52 Domain 52 Door mounting FP200 NGRM 20 DST Daylight Saving Time 51 E Enclosure view 19 Error codes 67 Ethernet 52 F Factory settings 65 Fault indication 35 36 Field calibration 49 56 FP200 NGRM 19 20 33 G Glossary 12 Ground fault 14 H Harmonics 41 History 42 Histor...

Page 78: ...s 40 SN subnet mask 52 Software update 53 Standard display 35 Standard gateway 52 Star connection Usys 690 V 25 Usys 690 V 23 Subsystem 52 Support 8 T Technical data 69 Test cycle 63 Timing diagram Ground fault relay 58 NGR relay 58 Training courses 9 Trip signal 59 Trip threshold current 55 resistance 56 voltage 55 Trip times 56 TTL for subscription 53 U User interface FP200 NGRM 33 W Work activi...

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Page 80: ...erg Germany P O Box 1161 35301 Grünberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de www bender de Bender GmbH Co KG All rights reserved Reprinting only with permission of the publisher Subject to change Photos Bender archive ...

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Summary of Contents for NGRM700

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Bender NGRM700, Manual, Page: 5 / 80

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Summary of Contents for NGRM700

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