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Data

78

TGH1394en/05.2007

8.4.2

Characteristic curves 

EDS461/491

AC 230 V

0

100

200

300

400

500

0

1

2

3

4

5

6

Ce [μF]

Re [kOhm]

0,2mA
0,5mA
1,0mA

DC 24 V

0

20

40

60

80

100

0

10

20

30

40

50

60

Ce [μF]

Re [kOhm]

0,2mA
0,5mA
1mA

Summary of Contents for EDS460

Page 1: ...Power in electrical safety Operating Manual EDS460 490 and EDS461 491 Insulation fault evaluators Software version EDS D D234 V2 11 D256 V2 12 EDS L D234 V2 11 D216 V2 12 TGH1394en 05 2007...

Page 2: ...rg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 0 6401 807 0 Fax 49 0 6401 807 259 E Mail info bender de com Web http www bender de com Dipl Ing W Bender GmbH Co KG All rights reserved Reprinti...

Page 3: ...iption 13 3 1 Features 13 3 1 1 Areas of application 13 3 1 2 Standards 13 3 1 3 System versions 13 3 1 4 System features 13 3 2 Function of the EDS system 14 3 2 1 Block diagram EDS system 15 3 2 2 T...

Page 4: ...ay elements 34 6 3 Working in operating mode 35 6 3 1 Standard display 35 6 3 2 Alarms and their effects 35 6 3 3 Carrying out a test 37 6 3 4 Resetting saved alarm messages RESET 38 6 3 5 Displaying...

Page 5: ...3 Test communication 57 6 6 5 Menu 5 External devices 59 6 6 6 Menu 6 Info 62 7 Tests and service 63 7 1 Periodic tests 63 7 2 Maintenance 63 7 3 Service 63 7 4 Troubleshooting 64 7 4 1 Display device...

Page 6: ...Table of Contents 6 TGH1394en 05 2007 8 4 1 3 Characteristics for DC systems 76 8 4 2 Characteristic curves EDS461 491 78 8 5 Ordering information 79...

Page 7: ...tation close at hand near to the equipment Should you have any questions please do not hesitate to contact our technical sales team We are also happy to provide on site services Please contact our Ser...

Page 8: ...e to property may occur if the corresponding precautions are not taken This symbol means a possibly hazardous situation Failure to observe these warnings means that slight bod ily injury or damage to...

Page 9: ...r EDS461 491 and either the A ISOMETER IRDH575 or insulation fault test device PGH Using measuring current transformers EDS460 490 or EDS461 491 insulation fault evaluators detect test current signals...

Page 10: ...emed to be use other than for the intended purpose Use for the intended purpose also includes The observation of all information in this operating manual and the compliance with test intervals 2 2 Qua...

Page 11: ...ims in the event of injury to persons or damage to property are excluded if they can be attributed to one or more of the following causes Non compliant use Improper installation commissioning operatio...

Page 12: ...arantee period In order for claims made under the terms of the guarantee to be accepted BENDER must acknowledge that the product is faulty and that the fault con cerned cannot be attributed to incorre...

Page 13: ...tion fault location is possible with EDS systems 3 1 3 System versions EDS460 EDS461 EDS490 or EDS491 differ in their response sensitivity and or number of alarm relays 3 1 4 System features Universal...

Page 14: ...current is limited in amplitude and time As this happens the system conductors are connected alternately to earth via a defined resistance The test current generated in this manner depends on the size...

Page 15: ...ault test device IRDH575 A ISOMETER IRDH575 with integrated test current genera tor Us Current source IT system W Measuring current transformer V Electrical load RF Insulation fault PE Protective cond...

Page 16: ...e is 6 seconds The IRDH575 or PGH alternatively sends positive or negative test current pulses The test cycle of the IRDH575 or PGH is shown in different switch posi tions 1 2 3 in the block diagram b...

Page 17: ...sidual currents I d example CE V Upstream capacitances system leakage capacitances upstream the measuring current transformer CE N Downstream capacitances system leakage capacitances downstream the me...

Page 18: ...current caused by the insulation fault has to be detected reliably subject to the condition that The test current I ds for the EDS460 490 is more than 2 mA and less than 50 mA The test current I ds f...

Page 19: ...DS issues the message peak Symmetrical insulation faults downstream of the meas uring current transformer are not recognized under cer tain circumstances Low frequency residual currents caused by conv...

Page 20: ...System description 20 TGH1394en 05 2007...

Page 21: ...Leave the devices to stand for 3 to 4 hours at room temperature before connecting the power supply When the devices are moved from a cold to a warm environment condensation will be evident on all part...

Page 22: ...rdance with the notes in the Transformer installation technical information When connect ing the measuring current transformers it is essential that you observe the maximum cable lengths Before mounti...

Page 23: ...Installation and connection 23 TGH1394en 05 2007 4 3 1 Dimension diagram EDS460 461 D L 4 3 2 Dimension digram EDS490 491 D L Dimensions in mm...

Page 24: ...Installation and connection 24 TGH1394en 05 2007 4 4 Connection 4 4 1 Wiring diagram EDS460 461 D L EDS460 461 W W W W W W W W W W W W...

Page 25: ...on IT systems k1 l k12 l Connection of measuring current transformers 1 12 A B BMS bus RS 485 interface with BMS protocol R R T External RESET button N O contact T R T External TEST button N O contact...

Page 26: ...Installation and connection 26 TGH1394en 05 2007 4 4 2 Wiring diagram EDS490 491 D L R on off EDS490 491 W W W W W W W W W W W W...

Page 27: ...nt transformers 1 12 A B BMS bus RS 485 interface with BMS protocol R R T External RESET button N O contact T R T External TEST button N O contact C11 C12 C14 Common alarm relay K1 Alarm 1 common alar...

Page 28: ...TGH1394en 05 2007 4 4 3 Connection of W WR WS series measuring current transformers The terminals 1 and 2 as well as the terminals 3 and 4 are bridged internally The connections k and l at the EDS mu...

Page 29: ...rrent transformers are not suitable for EDS460 461 or EDS490 491 systems and must not be used Only if these notes are observed will you obtain a true measurement result Additional information is avail...

Page 30: ...Installation and connection 30 TGH1394en 05 2007 IRDH575 EDS460 D EDS460 L FTC470XET Ethernet R F RJ45 Connection example...

Page 31: ...5 or PGH been observed 3 Are you sure that the PE conductor has not been routed through the measuring current transformer at any point 4 In mounting the measuring current transformers have any magneti...

Page 32: ...iated message appearing on the graphic display EDS D only You can find information about the alarms on the EDS D in the Alarm Meas values menu Information on the EDS L can be dis played via the BMS ma...

Page 33: ...fault is detected on a meas uring channel EDS function 3 The ON LED lights up when the device is switched on and flashes during power on until the device is ready for operation 4 INFO key Calls up sta...

Page 34: ...can be deactivated 2 Alarm LED 2 lights up if an insulation fault is detected on a meas uring channel EDS function 3 The ON LED lights up when the device is switched on and flashes during power on un...

Page 35: ...tion faults or residual currents 10 A EDS460 490 or 1A EDS461 491 A measuring current transformer or measuring current transformer connection fault Device error The EDS signals alarm or device error A...

Page 36: ...hes EDS D An alarm message is shown on the display Line 1 ALARM Alarm 1 of 1 pending alarm Line 2 Alarm status and alarm text No alarm ALARM Line 3 Currently measured mean value of the residual curren...

Page 37: ...tion in the Control menu The EDS responds as follows LED ALARM 1 and LED ALARM 2 light All alarm relays switch function can be deactivated see page 53 An alarm message is being sent to the BMS bus An...

Page 38: ...ESC key to exit the display of the current alarm message To carry out a RESET press the RESET button on the front panel of the EDS press the external RESET button connected to the EDS send a RESET co...

Page 39: ...lease have this information to hand if you should need to contact us for assistance by telephone Line 1 Device type Line 2 Date time Line 3 Address set on the BMS bus Line 4 Software version of measur...

Page 40: ...T key for approximately two seconds to open the main menu The BMS bus address flashes 2 Use the c d arrow keys to select the required address 3 Press the enter key to confirm this setting 4 If you wis...

Page 41: ...nter Menu mode is exited if no key is pressed for longer than five minutes Exceptions The Test and Test communi cation functions Settings can be password protected When an attempt is made to change se...

Page 42: ...xit 1 Alarm meas values 4 Control 2 History 6 Info 3 Settings 1 General Exit 2 Channel 3 Relay Exit 1 TEST 2 RESET 3 Test communication 5 Language 6 Interface 8 Clock 9 Password 10 Factory setting 11...

Page 43: ...knowledge ments and associated times Displays the minimum and maximum I ds measured value with address and channel 46 3 Settings Settings for EDS are made here 47 4 Control This menu offers various co...

Page 44: ...12 Column 2 Alarm status No alarm Alarm Column 3 I ds Currently measured test current Column 4 I d Currently measured residual current The accuracy ofthe displayed test current depends on the system l...

Page 45: ...If the residual current exceeds 100 mA EDS460 490 or 10 mA EDS461 491 this information is displayed If the residual current exceeds 10 A EDS460 490 1 A EDS461 491 this information is displayed Once t...

Page 46: ...me Line 3 Event acknowledgement e g alarm deleted at IRDH575 PRC1470 MK2430 FTC470 Datum Uhrzeit Line 4 Event end Date time 1 If you are searching for an event that occurred at a specific time use the...

Page 47: ...n the residual current has been exceeded 49 3 Relay Set the mode of operation and type of fault that you wish to cause a switching opera tion for common alarm relay 53 4 History Erasing the history me...

Page 48: ...ans that test current pulses can still be reliably detected in the event of interference Sources for interference include for exam ple variable speed drives power converters actuators suppressor fil t...

Page 49: ...Use the S key to go to the measuring channel setting Press 2 Use the UP DOWN keys to select a single measuring channel or all measuring channels 1 12 Press to confirm your selection If the measuring c...

Page 50: ...he following measuring current transformer types can be used EDS460 EDS490 W WR WS EDS461 EDS491 W 8000 WS 8000 3 Response delay T on This is the response delay before the alarm is activated This time...

Page 51: ...the duration of three test current pulses 5 CT monitoring Enable or disable monitoring of the measuring current transformers ON Measuring current transformers are monitored Open circuit short circuit...

Page 52: ...e value is ex ceeded OFF No alarm when the residual current response value is ex ceeded for specific applications only 8 Operating principle EDS490 491 only The EDS490 D L resp the EDS491 D L has an a...

Page 53: ...selection 1 Op mode Set the relay mode of operation N O T N O operation Relay switches in the event of an alarm or a test N C T N C operation Relay switches in the event of an alarm or a test N O N O...

Page 54: ...be deleted Use the key to con firm that the memory is to be deleted 6 6 3 5 Settings menu 5 Language Select the language for menu and alarm texts Setting options English German or Fran ais 6 6 3 6 Set...

Page 55: ...m y German format day month year m d y American format month day year 2 Date Set the date e g 20 07 2006 3 Time Set the time e g 16 44 4 Summer time Setting for automatic switchover to central Europe...

Page 56: ...arentheses in the technical data 6 6 3 11 Settings menu 11 Service This menu is intended for Bender service employees only Settings can bepassword protected Ifthe passwordisac tivated enabled all sett...

Page 57: ...out inadvertently the operator must once again confirm this entry 6 6 4 3 Control menu 3 Test communication This function enables you to test the communication between the EDS and other BMS equipment...

Page 58: ...Example Alarm insulation fault on channel 1 1 Select channel 1 2 Once the key is pressed the alarm is transmitted on the BMS bus This is indicated by the alarm display Channel disabled Exit 1 Chan 1...

Page 59: ...utomatically in the external device After calling up this menu the address and type of devices already stored will be displayed The display will be updated every five minutes Use the Up Down keys to s...

Page 60: ...mming function Access not possible at the moment When the device has been recognized the EDS D reads the current settings of the connected device The address and the device type will be displayed in t...

Page 61: ...menu mode 1 Alarm meas values Displays the following for each measuring channel Alarm status test current I ds residual cur rent I d 44 2 Settings Settings for EDS are made here 47 3 Control This menu...

Page 62: ...type of system 48 2 Channel Configure the following in respect of each measuring channel Response value meas uring transformer type response delay delay on release measuring transformer monitoring fi...

Page 63: ...e TEST button on the front panel of the EDS pressing an external test button or calling the TEST function in the Control menu Observe the applicable national and international standards which re quire...

Page 64: ...t technique Fault parameter memory EEP ROM FLASH 2 Measurement technique Fault data memory RAM 4 Measurement technique No boot loader available 11 Measurement technique Device not calibrated 12 Measur...

Page 65: ...ine 2 Alarm status and alarm text No alarm Alarm Line 3 Error code refer to Display device error on page 64 Line 4 BMS bus address of the EDS and the measuring channel on which the alarm has occurred...

Page 66: ...g current transformer defective Power supply cable interrupted Power supply cable short circuited 7 4 4 Display peak System related faults may impair the insulation fault location process The EDS mark...

Page 67: ...Protection for safety Chapter 41 Protection against electric shock IEC 61557 9 1999 Electrical safety in low voltage distribution systems up to AC 1 kV and DC 1 5 kV Equipment for testing measuring or...

Page 68: ...ominal system voltage Un refer to IRDH575 PGH47x EDS460 EDS490 AC 20 276 V DC 20 308V EDS461 EDS491 External measuring current transformer type W WR WS EDS460 EDS490 W 8000 WS 8000 EDS461 EDS491 CT mo...

Page 69: ...n 2 x 0 8 Terminating resistor 120 0 25 W can be connected via DIP switch Device address BMS bus EDS D 1 90 2 EDS L 1 90 2 EDS measuring current transformer connection Single wire 0 75 mm2 0 1 m Singl...

Page 70: ...ice Classification ofmechanical conditions acc to IEC 60721 Stationary use IEC 60721 3 3 3M4 Transportation IEC 60721 3 2 2M2 Storage IEC 60721 3 1 1M3 Connection Connection screw terminals rigid fle...

Page 71: ...se value 10 mA EDS460 490 5 mA 1 mA EDS461 491 0 5 mA For setting the response value refer to Settings menu 2 Channel on page 49 The response values are displayed as characteristic curves The maximum...

Page 72: ...middle characteristic for an EDS response value of 5 mA factory setting Mark the system leakage capacitance Ce on the char acteristic Read off the relevant resistance R from the characteristic The re...

Page 73: ...teristic curves EDS460 490 8 4 1 1 Characteristics for 3AC systems 3AC 230 V 0 10 20 30 40 50 60 70 80 0 20 40 60 80 100 120 140 160 Ce F Re kOhm 2mA 5mA 10mA 3AC 400 V 0 20 40 60 80 100 120 140 0 20...

Page 74: ...4 TGH1394en 05 2007 8 4 1 2 Characteristics for AC systems AC 42 V 0 2 4 6 8 10 0 50 100 150 200 250 300 Ce F Re kOhm 2mA 5mA 10mA AC 110 V 0 5 10 15 20 25 0 50 100 150 200 250 300 Ce F Re kOhm 2mA 5m...

Page 75: ...Data 75 TGH1394en 05 2007 AC 230 V 0 10 20 30 40 50 0 50 100 150 Ce F Re kOhm 2mA 5mA 10mA AC 400 V 0 20 40 60 80 100 0 20 40 60 80 100 Ce F Re kOhm 2mA 5mA 10mA...

Page 76: ...Data 76 TGH1394en 05 2007 8 4 1 3 Characteristics for DC systems DC 24 V 0 2 4 6 8 10 0 100 200 300 400 500 Ce F Re kOhm 2mA 5mA 10mA DC 60 V 0 5 10 15 20 25 30 0 100 200 300 Ce F Re kOhm 2mA 5mA 10mA...

Page 77: ...Data 77 TGH1394en 05 2007 DC 110 V 0 10 20 30 40 50 60 0 50 100 150 200 250 300 Ce F Re kOhm 2mA 5mA 10mA DC 230 V 0 20 40 60 80 100 0 50 100 150 Ce F Re kOhm 2mA 5mA 10mA...

Page 78: ...TGH1394en 05 2007 8 4 2 Characteristic curves EDS461 491 AC 230 V 0 100 200 300 400 500 0 1 2 3 4 5 6 Ce F Re kOhm 0 2mA 0 5mA 1 0mA DC 24 V 0 20 40 60 80 100 0 10 20 30 40 50 60 Ce F Re kOhm 0 2mA 0...

Page 79: ...76 V AC 42 460 Hz 2 10 mA B 9108 0002 EDS460 L 1 DC 16 94 V AC 42 460 Hz 16 72 V 2 10 mA B 9108 0003 EDS460 L 2 AC DC 70 276 V AC 42 460 Hz 2 10 mA B 9108 0004 EDS461 D 1 DC 16 94 V AC 42 460 Hz 16 72...

Page 80: ...42 460 Hz 16 72 V 2 10 mA B 9108 0011 EDS490 L 2 AC DC 70 276 V AC 42 460 Hz 2 10 mA B 9108 0012 EDS491 D 1 DC 16 94 V AC 42 460 Hz 16 72 V 0 2 1 mA B 9108 0013 EDS491 D 2 AC DC 70 276 V AC 42 460 Hz...

Page 81: ...2 interface converter RS 485 RS 232 DC 10 30 V B 9501 2022 AN471 power supply unit for DI 1 or DI 2 AC 230 V 50 60 Hz AC DC 20 V B 924 189 Snap on mountingW20 35 B 9808 0501 Snap on mounting W60 B 98...

Page 82: ...ar type B 9808 0010 W60 60 circular type B 9808 0018 W120 120 circular type B 9808 0028 W210 210 circular type B 9808 0034 WR70x175 70 x 175 rectangular B 9808 0609 WR115x305 115 x 305 rectangular B 9...

Page 83: ...70 circular type B 911 732 W3 S105 105 circular type B 911 733 W4 S140 140 circular type B 911 734 W5 S210 210 circular type B 911 735 WR 70x175S 70x175 rectangular B 911 738 WR 115x305S 115x305 recta...

Page 84: ...oduct Type Inside diameter mm Type of construction Art No W20 8000 20 circular type B 9808 0009 W35 8000 35 circular type B 9808 0017 W60 8000 60 circular type B 9808 0027 WS20x30 8000 20 x 30 split c...

Page 85: ...xample 29 Control 57 CT monitoring 51 CT type 50 D damage in transit 21 Date 55 E environment cold 21 Error code 64 F Factory settings 56 Fault memory 48 fuses 21 G Guarantee 12 H History memory 46 I...

Page 86: ...peration 53 release delay 51 RESET 38 Residual current 44 response delay 50 S Service 63 shielded conductors 29 standard information 39 62 Standards 63 Summer time 55 switching on 31 32 System compone...

Page 87: ......

Page 88: ...Dipl Ing W Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 0 6401 807 0 Fax 49 0 6401 807 259 E Mail info bender de com Web http www bender de com...

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