Home

User Manual: EDS460 / EDS490 Series

1. IRDH575 Locating current loop Residual currents example Upstream capacitances system leakage capacitances Cu upstream the measuring current transformer Ga Downstream capacitances system leakage capacitances downstream the measuring current transformer Rey Insulation fault upstream the measuring current transformer Rea Insulation fault downstream the measuring current trans former TGH1394en 03 2011 17 pe BENDER System description The following residual currents flow through the measuring current trans former of the EDS The locating current 4 caused by the insulation fault Residual currents 4 flowing through the system leakage capacitances Cru and C respectively which are caused by and Transient leakage currents caused by switching and control activities in the system Low frequency leakage currents caused by the use of converters 3 2 4 Requirements for reliable insulation fault location The EDS is intended to locate insulation faults downstream of the measur ing current transformer Reg For this purpose the locating current caused by the insulation fault has to be detected reliably subject to the condition that The locating current for the EDS460 490 is more than 1 5 mA and less than 50 mA The locating current for the EDS461 4
2. AND W10 600 10 circular type B 911 761 0 520 20 circular type B911 787 W1 S35 35 circular type B911 731 W2 S70 70 circular type B911 732 3 5105 105 circular type B911733 W4 S140 140 circular type B911 734 W5 S210 210 circular type B911 735 WR 70x175S 70x175 rectangular 911 738 WR 115x305S 115x305 rectangular B911 739 WR 150x350S 150x350 rectangular B911 740 WR 200 5005 200x500 rectangular B911 763 WS 50 805 50x80 split core B911 741 WS 80 805 80x80 split core B911 742 WS 80x120S 80x120 split core B911 743 WS 80x160S 80x160 split core B911755 88 TGH1394en 03 2011 Data BENDER Measuring current transformers for EDS461 491 Bender measuring current transformers ae di 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 20x30 split core B 9808 0602 WS50x80 8000 50x80 split core B 9808 0604 Alternative measuring current transformers from the Bender range im is Art No W10 8000 10 circular type B 911 759 1 35 8000 35 circular type B 911 756 WS20x30 8000 20x30 split core B 911 764 WS50x80 8000 50 80 split core B 911 757 10 8000 6 10 circular 6x B911 900 For further information about measuring current transformers please refer to the relevant instruction leaflet supplied with the product TGH1394
3. 8 4 1 4 Characteristic curves EDS461 491 8 4 1 5 EDS461 491 characteristics for AC systems 8 4 1 6 EDS461 491characteristics for DC systems 85 6 TGH1394en 03 2011 How to get the most out of this manual PZ BENDER 1 How to get the most out of this manual 1 1 Howtousethis manual This operating manual describes EDS460 490 resp EDS461 491 insulation fault locators It is designed for skilled persons working in electrical engineer ing and electronics and in particular for those designing installing and oper ating electrical systems Before using the equipment please read this operating manual the supple ment entitled Important safety instructions for Bender products the BMS bus instruction leaflet as well as the instruction leaflets supplied with the in dividual system components Please keep this documentation close at hand near to the equipment Should you have any questions please do not hesitate to contact our techni cal sales team We are also happy to provide on site services Please contact our Service Department for more information Service Hotline 0700 BenderHelp Telephone and Fax Carl Benz Stra e 8 35305 Gr nberg Germany Tel 49 6401 807 760 Fax 49 6401 807 629 E Mail info bender service com www bender de com Although great care has been taken in the drafting of this operating manual
4. it may nevertheless contain error and mistakes The Bender group cannot ac cept any liability for injury to persons or damage to property resulting from er rors or mistakes in this manual 1 2 Explanation of symbols and notes The following terms and symbols are used to denote hazards and instructions in Bender documentation TGH1394en 03 2011 7 BENDER How to get the most out of this manual This symbol indicates an immediate risk to life and limb Failure to observe the associated instructions and take appropriate precautions will result in death serious phys ical injury or substantial damage to property gt Danger This symbol indicates a potential risk to life and limb Failure to observe the associated instructions and take appropriate precautions may result in death serious physical injury or substantial damage to property gt Warning This symbol indicates a potentially dangerous situation Failure to observe the associated instructions and take appropriate precautions may result in minor physical in jury or damage to property gt Caution This symbol indicates important information about the correct use of the equipment purchased Failure to observe the associated instructions can result in equipment malfunctioning or cause problems in the environment in which it is being used This symbol indicates tips for using the equipment and particularly useful
5. 0 2 4 0 2 25mm AWG 24 12 ulti conductor connection 2 conductors with the same cross section rigid flexible 0 2 15 0 2 1 5 mm Strippilig length 256 8 9mm Oques SE 0 5 0 6Nm Other Operating mode continuous operation OSITIOMIOE MOTTA US fe sigillate any egree of protection DIN EN 60529 terminals ttt Enclosure material Flammability class Screw fixing IN rail mounting acc to Weight lt 360 g EDS460 lt 530 g EDS490 factory setting TGH1394en 03 2011 71 BENDER Data 8 4 Response sensitivity characteristics The type of distribution system system voltage system frequency leakage capacitance and locating current all affect the EDS system s response sensitiv ity The value of the locating current can be set at the IRDH575 insulation monitoring device and at the locating current injector Resulting from the type of sup ply system the real locating current AC systems is lower than the setting The reduction factor is 0 5 in AC systems and 0 67 in 3AC systems For application in AC and 3AC systems the response value at the EDS has to be set as follows locating current EDS response value 10mA EDS460 490 lt 5mA EDS461 491 lt 0 5mA For setting the response value refer to Settings menu 2 Channel page 49 The response values are disp
6. 1 to confirm your selection Setting 1 a single measuring channel Exit 1 Resp value 4mA 2 CT W WR Setting Chan 1 12 all measuring channels Exit 1 Resp value 4mA 2 CT W WR If the measuring channel settings only differ slightly we recommend to proceed as follows gt First set all the channels 1 12 to the same value Then modify the settings of individual channels TGH1394en 03 2011 49 P BENDER Operation 1 Response value An alarm is output when the measured value reaches the response value Re sponse ranges EDS460 490 2 10 mA EDS461 491 0 2 1 mA Please also heed the characteristics for a reliable response on page 72 2 CT Set the transformer type W WR Bender standard measuring current transformers circular and rectangular W and WR series designs WS Split core type WS series measuring current transformers off measuring channel is deactivated The 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 delay is nec essary in cases where the monitored system is subject to interference The du ration of a locating current pulse cycle is 6 seconds Consequently the response delay can only be adjusted in increments of 6 seconds 05 EDS4 0 An alarm is triggered when the
7. The EDS is told when to expect a locating current pulse This means that locating current pulses can still be reliably detected in the event of interference Sources for interference include for example varia ble speed drives power converters actuators suppressor filters PLCs or con trol electronics Select Com Synchronisation via BMS bus The EDS will begin searching for insulation faults as soon as insulation fault location is started It knows when to expect the locating current pulse Insulation fault location is performed more quickly than with the auto setting auto No synchronisation e g if there is BMS bus The EDS searches continually for insulation faults 48 TGH1394en 03 2011 Operation pe BENDER 3 Frequency Select the rated frequency of the monitored system This must be set correct ly otherwise the EDS will not be able to evaluate the locating current pulse accurately Configurable values DC 50 Hz 60 Hz 400 Hz 4 System type Select the type of distribution system for the system being monitored Configurable values DC AC 3 AC 6 6 3 2 Settings menu 2 Channel You make the measuring channel settings in this menu either individually or for all channels simultaneously Selecting a measuring channel 1 Use the button to go to the measuring channel setting Press 1 2 Use the UP DOWN buttons to select a single measuring channel or all measuring channels 1 12 Press
8. to confirm this setting 4 Ifyou wish to exit the setting without making a change press the ESC button w 6 5 Operating and setting the EDS D This chapter describes the EDS D menu mode The EDS L only has some of these functions available see Setting the EDS L on page 40 This also applies if an EDS D is used to operate and set an EDS L 40 TGH1394en 03 2011 Operation BENDER 6 5 1 Opening the main menu Press the MENU button to open the main menu Exit 1 Alarm meas values 2 History 3 Settings The following buttons are used in the main menu ESC Exit function or go up one menu level Select menu items Confirm selected menu item Enter Menu mode is exited if no button is pressed for longer than five minutes Exceptions The Test and Test com munication functions Settings can be password protected When an attempt is made to change settings the password entry screen ap pears automatically Enter password 000 For details see Settings menu 9 Password on page 56 If you can t remember your password contact the Bender Service TGH1394en 03 2011 41 BENDER 6 5 2 Menu overview diagram Operation Exit 1 Alarm meas values 2 History 3 Settings m Exit H 1 General 2 Channel 3 Relay 4 History 5 Language 6 Interface 4 Contro
9. 0 5 mm Recommended cable shielded shield connected to L conductor not earthed LY SOY min 2x 0 8 Switching elements umber two relays each with one changeover contact EDS46 two relays each with one changeover contact 12 relays each with one N O contact EDS49 Operating u N C operation N O operation operation Electrical endurance under rated operating conditions number of 10 000 Contact data acc to IEC 60947 5 1 Utilisation AC 13 14 0 12 DC 12 06 12 Rated operational voltage 230V 230V 24V 110V 220V Rated operational current common alarm relay 1 02A Rated operational current alarm relay 05 5A 02 01 Minimum contact rati 1 AC DC 10V 70 TGH1394en 03 2011 Data BENDER Environment EMC IEC 61326 2 4 2006 06 Ed 1 0 25 55 Operating temperature Climatic class acc to IEC 60721 Stationary use IEC 60721 3 3 3K5 except condensation and formation of ice Transport IEC 69721 3 2 2K3 except condensation and formation of ice 5 C 5 orage IEC 60721 3 1 1K4 except condensation and formation of ice assification of mechanical conditions acc to IEC 60721 ationary use IEC 60721 3 3 ransport IEC 60721 3 2 orage G0 7213 1 cranio Connection screw terminals Connection properties rigidi ble
10. 2 Column 3 Column 4 gt I ds I d 1 6mA 120mA 2 0 lt 100mA 3 oChannel disabled Channel number 1 12 Alarm status O No alarm Alarm I ds Currently measured locating current I d Currently measured residual current The accuracy of the displayed locating current depends on the system leakage capacitances The IRDH575 PGH locating current is limited Conse quently the insulation fault resistance may in fact be lower than the displayed locating current suggests 44 TGH1394en 03 2011 Operation pe BENDER Residual current The residual current flowing through the measuring current transformer is continually measured and displayed e Ifthe residual current exceeds 100 mA EDS460 490 or 10 mA EDS461 491 this information is displayed e Ifthe residual current exceeds 10 EDS460 490 EDS461 491 this information is displayed Once the residual current reaches values of this magnitude reliable insulation fault location becomes impossible ALARM 1 1 Residual current gt 10 A Addr 2 Chan 1 TGH1394en 03 2011 45 BENDER Operation 6 6 2 Menu 2 History The non volatile history memory saves up to 300 data records alarms device errors If the history memory is full the oldest entry will be deleted in the event of an alarm to create space for the new entry For details about erasing the entire history memory ref
11. ALARM Line 3 Currently measured mean value of the locating current Line 4 BMS bus address of the EDS and measuring channel which the alarm has occurred Press the INFO button to display the schematic representation for this alarm message Channels where an alarm exists are marked with the symbol ISO fault location 0000000000060 k 12345678 9101112 111 e EDS L The alarm LED of the affected channel lights or flashes in case of a device error 10 11 12 123456789 000000000006 36 TGH1394en 03 2011 Operation pe BENDER 6 3 3 Carrying outa test A test serves to check the device function hardware components of the EDS A test can be called in the following ways Select the standard display then press and hold down the TEST but ton on the EDS front panel for at least one second Press an external test button connected to the EDS Send a test command via the BMS bus EDS D only Call the TEST function in the Control menu The EDS responds as follows ALARM 1 and ALARM 2 LEDs light up AII alarm relays switch function can be deactivated see page 53 An alarm message is being sent to the BMS bus An entry is made in the history memory with the suffix TEST EDS D The progress of the test is shown on the display Auto test EDS D An alarm message is shown on the display The EDS D will now display the maximum measure
12. V 100 90 2mA R kOhm 3AC 690 V 140 2mA 120 X 100 80 60 40 20 kOhm TGH1394en 03 2011 75 BENDER Data 8 4 1 2 EDS460 490 characteristics for AC systems AC 42V R kOhm gt 110 R kOhm 76 TGH1394en 03 2011 Data BENDER 230 V R kOhm AC 400 V R kOhm TGH1394en 03 2011 77 BENDER Data 8 4 1 3 R kOhm R kOhm NOU EDS460 490 characteristics for DC systems DC 24V DC 60V 2 5 10 mA lita pil N M I ni gt lt III sa 100 C WF 78 TGH1394en 03 2011 Data BENDER DC 110V 50 45 2mA 40 5 R kOhm DC 220 V R kOhm TGH1394en 03 2011 79 BENDER 8 4 1 4 8 4 1 5 R kOhm R kOhm Data Characteristic curves EDS461 491 EDS461 491 characteristics for AC systems 100 90 80 70 60 50 40 30 20 10 0 200 180 160 140 120 100 80 60 40 20 42V 200 uA 500 uA 4mA AC 110 V 200 pA 500 pA 1 10 C WF 80 TGH
13. information This type of information will help you to optimise your use of the equipment e 8 TGH1394en 03 2011 Safety instructions pe BENDER 2 Safety instructions 2 1 Intended use EDS insulation fault locators are used for localisation of insulation faults in unearthed DC AC and three phase power supply systems IT systems Alternating and three phase systems in the range of AC 24 to 690 V and DC systems in the range of DC 24 to 500 V can be monitored The oper ating frequency is optionally DC 50 60 or 400 Hz The nominal system voltage varies with the type of locating current injector PGH47 IRDH575 If the locating current is too high IRDH575 or PGH may damage sensitive loads e g in control circuits or may accidentally activate switching operations Therefore it is recommended to use a with a low locating cur rent or to set a low locating current at the IRDH575 The response sensitivity of EDS461 491 insulation fault loca tors is higher and hence they are capable of evaluating this low locating current In case of doubt please contact a Bender product man ager Caution An EDS system consists of the insulation fault locators EDS460 490 or EDS461 491 and either the A ISOMETER IRDH575 or locating current injector Us ing measuring current transformers EDS460 490 or EDS461 491 insulation fault locators detect locating current signals generated by the IRDH575 ins
14. second locating current pul se is detected EDS4 1 Three locating current pulses must be detected before an alarm is triggered 65 EDS4 0 Three locating current pulses must be detected before an alarm is triggered EDS4 1 Four locating current pulses must be detected before an alarm is triggered 50 TGH1394en 03 2011 Operation pe BENDER 125 54 0 Four locating current pulses must be detected before alarm is triggered 54 1 Five locating current pulses must be detected before alarm is triggered Configurable values 05 65 125 185 245 4 Delay on release T off This function is only effective when the fault memory is deactivated see 1 Memory on page 48 Ifthe status that triggered the alarm no longer applies the EDS will termi nate its alarm once the delay on release has expired Configurable values 05 65 125 185 245 05 The alarm is terminated when the EDS4 0 has not recognised an in sulation fault for the duration of two locating current pulses The alarm is terminated when the EDS4 1 has not recognised an in sulation fault for the duration of three locating current pulses 6s The alarm is terminated when the EDS4 0 has not recognised an in sulation fault for the duration of three locating current pulses The alarm is terminated when the EDS4 1 has not recognised an in sulation fault for the duration of four locating current pulses 12s The alarm is terminated when the EDS4 0 has
15. the use of insulation fault location systems 14 TGH1394en 03 2011 System description E BENDER 3 2 1 Block diagram EDS system L1 L IT system L2 L 3 IRDH575 EDS 1 2 BMS Red PE Z Key EDS Insulation fault locator PGH Locating current injector IRDH575 A ISOMETER IRDH575 with integrated locating current injector U Current source IT system Measuring current transformer Electrical load R Insulation fault downstream of the measuring current trans former PE Protective conductor respectively equipotential bonding conductor BMS BMS bus TGH1394en 03 2011 15 pe BENDER System description 3 2 2 Test cycle The duration of a locating current pulse cycle is 6 seconds The IRDH575 or PGH alternatively sends positive or negative locating current pulses The test cycle of the IRDH575 or PGH is shown in different switch positions 1 2 3 in the block diagram below Block diagram EDS system on page 15 Position 1 3 2 3 1 2 sec 4 sec 4 sec EDS start TGH1394en 03 2011 System description pe BENDER 3 2 3 Currents in the EDS system In addition to the block diagram on page 15 the path of the residual currents and the locating current is shown in the diagram below Us IT system
16. 1394en 03 2011 Data 230V 300 200 pA 500 pA 200 15077 100 ae i mn 0 10 WF TGH1394en 03 2011 81 BENDER Data 8 4 1 6 R kOhm R kOhm 70 60 50 40 30 20 10 0 140 120 100 80 60 40 20 EDS461 491characteristics for DC systems DC 24V 200 uA DC 60V 82 TGH1394en 03 2011 Data BENDER R kOhm R kOhm 250 200 150 100 50 350 300 250 200 150 100 50 DC 110 V 7 200 uA 500 uA 1 230 V TGH1394en 03 2011 83 BENDER 8 5 Ordering information insulation fault locators Type Supply voltage Us 2 Art S 2 10ma 891080001 a 2 mea ed mA legga un en en lega eee icc si lega a 84 TGH1394en 03 2011 E BENDER Type Supply voltage Us Art No PERE Liu 16 72V ce UA u SPORE ui UE EDEN rect mns Absolute values TGH1394en 03 2011 85 BENDER Data Accessories Type Supply voltage Us Art No DI 1PSM RS 485 interface AC DC 24V B
17. 80 ated insulation voltage measuring current transformer sponse sensitivity Number of measuring channels per device system Specified time Response delay Delay on release Scanning time for all channels 0 245 0 245 approx 8 245 EDS460 EDS490 approx 14 30 EDS461 05491 HE ON ALARM EDS4 D ON ALARM measuring channel 1 12 EDS4 L backlit graphical display EDS4 D LC display TGH1394en 03 2011 69 F BENDER Data 7 displays secte tette ttt tte fette upto 2 7 62 mm EDS4 L History memory 300 data records EDS4 D Password off 0 999 off Language D GB Fault memory alarm relay 0n off off Inputs outputs est reset button Cable length for external test reset button Interface nterface protocol Fate p 9 6 kbit s Cable leflilii cohaeret i 0 1200m Recommended cable shielded shield on one side connected to PE J Y St Y min 2x 0 8 erminating resistor 120 2 0 25 W can be connected via DIP switch Device address BMS bus cc 1 90 2 EDS measuring current transformer connection Single wire gt 0 75 mm SF Single wire twisted 0 75 mm wl 10m Shielded cable gt
18. 91 is more than 0 15 mA and less than 5 mA The upstream capacitances must be at least as large as the down stream capacitances The system leakage capacitance does not have to be too large see Response sensitivity characteristics on page 72 The total residual current through the measuring current transformer locating current and residual currents etc may be a maximum of 10 A EDS460 490 respectively 1 A EDS461 491 Not only does the amplitude influence the reliable detection of the locating current but also the residual current frequency This effect is illustrated in the following fault curve TGH1394en 03 2011 System description pe BENDER Fault curve Safe insulation fault location is only possible in the grey shaded area Alarm message T 3 3 0 7 7 4 0 6 0 5 5r hose Message Permissible range 04 41 Insulation fault location Insulation fault is not possible location is possible 1 5 10 50 100 400 Frequency Hz A measuring channel where insulation fault location is not possible is marked with peak in the Alarm meas values menu Example A residual current of 2 A 20 Hz marked with a point in the dia gram would be outside the permissible range Symmetrical insulation faults downstream of the meas uring current transformer are not recognised under cer tain circumstances Low frequency resi
19. 9501 2044 repeater 20 supplied by the USB DI 2USB interface converter port no additional RS 485 USB with USB cable power supply 295012055 required 471 power supply unit for AC 230 V 50 60 Hz DI 1 or DI 2 AC DC 20V mounting W20 35 B 9808 0501 Snap on mounting W60 B 9808 0502 Protocol converters Type Supply voltage Us Art No DC 85 276V PIGHORDE AC 50 400 Hz 85 276V B 3306 1009 DC 85 276V 50 400 Hz 85 276V B23001092 DC 85 276V 50 400 Hz 85 276V B2306 1091 Absolute values 86 TGH1394en 03 2011 Data pe BENDER Measuring current transformers for EDS460 490 Bender measuring current transformers Sameera Lu Art No W20 20 circular type B 9808 0003 W35 35 circular 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 70 175 rectangular B 9808 0609 WR115x305 115 x 305 rectangular B 9808 0610 WS20x30 20 x 30 split core B 9808 0601 WS50x80 50 x 80 split core B 9808 0603 WS80x80 80 x 80 split core B 9808 0605 WS80x120 80 x 120 split core B 9808 0606 WS80x160 80 x 160 split core B 9808 0608 TGH1394en 03 2011 87 BENDER Data Alternative measuring current transformers from the Bender range
20. Alarm 1 This alarm message can be deactivat ed ON Alarm when the residual current response value is exceeded OFF No alarm when the residual current response value is exceeded for specific applications only 8 Relay mode EDS490 491 only The EDS490 D L resp the EDS491 D L has an alarm relay for each measuring channel Set the relay mode of operation for each relay N O T operation Relay switches in the event of an alarm or a test N CT N C operation Relay switches in the event of an alarm or a test N O N O operation Relay only switches in the event of an alarm N C N C operation Relay only switches in the event of an alarm Ifthe relay settings only differ slightly we recommend the following procedure for the EDS490 E first set all the relays 1 12 to the same value then modify the settings of individual relays 52 TGH1394en 03 2011 Operation pe BENDER 6 6 3 3 Settings menu 3 Relay You make the settings for the common alarm relays K1 and K2 in this menu ei ther individually or common to all alarm relays Selecting a relay 1 Use the A button to go to the relay channel setting Press 1 2 Use the UP DOWN buttons to select a relay 1 2 or for both relays 1 2 Press J to confirm your selection setting Relay 1 a single relay Exit 1 Relay mode N O T 2 Alarm on Setting both relays 12 42 1 Relay mode N O T 2 Alarm on 1 Relay mode
21. Bender devices are built in accordance with the state of the art and accepted rules in respect of technical safety Nevertheless the use of such devices may introduce risks to the life and limb of the user or third parties and or result in damage to Bender devices or other property 10 TGH1394en 03 2011 Safety instructions pe BENDER e Only use Bender devices for the purpose for which it is intended when it is in perfect condition as far as safety is concerned in compliance with the accident prevention regulations and guide lines applicable in the location of use e faults which may impair safety must be eliminated immediately e not make any unauthorised changes and only use replacement parts and optional accessories purchased from or recommended by the manufacturer of the equipment Failure to observe this require ment can result in fire electric shock and injury e Warning signs must always be easily legible Damaged or illegible signs must be replaced immediately 2 4 Delivery conditions guarantee warranty and liability The conditions of sale and delivery set out by Bender shall apply Conditions of sale and delivery can be obtained from Bender in printed or electronic for mat TGH1394en 03 2011 11 BENDER Safety instructions 12 TGH1394en 03 2011 System description pe BENDER 3 System description 3 1 Features 3 1 1 Areas of application e Insulation fault locat
22. Requirements for reliable insulation fault location 18 4 Installation and connection eee 21 4 4 Unpacking 4 2 Fuses max voltage cable lengths 4 3 Notes on mounting 4 31 Dimension diagram EDS460 461 D L 4 3 2 Dimension diagram EDS490 491 D L 44 0 0 10 1 0 sn nsisss TGH1394en 03 2011 3 pe BENDER Table of Contents 44 1 4 4 2 4 4 3 4 4 4 5 Commissioning 5 1 52 Wiring diagram EDS460 461 D 24 Wiring diagram EDS490 491 D 26 Connection of W WR WS series measuring current transformers 28 Connection example EDS standard system with FTC4 XET 29 Before switching on Switching on EDS D operating and display elements EDS L operating and display elements Working in operating mode PRI Standard display pei Alarms and their effects Carrying out a test Resetting saved alarm messages RESET Displaying standard information Setting the EDS L Operating and setting the EDS D Opening the main menu Menu overview diagram Main menu functions The main menu Menu 1 Alarm meas values esent Menu 2 History Menu 3 Settings Settings menu 1 General Settings menu 2 Channel Settings menu 3 Relay Settings menu 4 History Settings menu 5 Language
23. 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 operation Relay switches the event of an alarm or a test N O N O operation Relay only switches in the event of an alarm N C N C operation Relay only switches in the event of an alarm 2 Alarm ON Relay switches in the event of an alarm OFF Relay does not switch in the event of an alarm TGH1394en 03 2011 53 BENDER Operation 3 Device error on Relay switches in the event of a device error off Relay does not switch in the event of a device error 4 Ext alarm EDS D only on Relay switches in the event of an internal alarm or an external alarm off Relay does not switch in the event of an internal alarm or an external alarm Alarm on an external device the address of which has been set to on the Alarm addresses menu see Settings menu 7 Alarm addresses on page 54 6 6 3 4 Settings menu 4 History Here the entire history memory can be deleted Use the button to confirm 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 Deutsch or Francais 6 6 3 6 Settings menu 6 Interface Set the BMS bus address of the EDS Setting range EDS D Address 1 90 EDS L Address 1 90 6 6 3 7 Settings menu 7 Alarm addresses Setting of the bus addresses 1 150 externally connect
24. T A B C11 12 14 01 C2 Q4 11 14 21 24 31 34 41 44 51 54 61 64 71 74 81 84 91 94 101 104 111 114 121 124 Basic insulation between 11 14 21 24 31 34 41 44 51 54 61 64 Voltage test O10 10 1 sen 221KV Ratedirisulation Voltage nannten AC250V Ratediimpulse voltage pollution degree aa 6kV Ill 68 TGH1394en 03 2011 Data BENDER Protective separation reinforced insulation between C12 C14 21 22 C44 11 14 21 24 31 34 41 44 51 54 61 64 71 74 81 84 91 94 101 104 111 114 121 124 Voltage testacc to IFCI 0 tio tet ak 3 536 KV Supply voltage Supply voltage Uk see ordering information Frequency range Us 460 Hz Power consumption lt 10 VA EDS460 46 EE lt 14 VA EDS490 49 Measuring circuit Nominal system voltage U see IRDH575 PGH EDS460 EDS490 AC 20 276 V DC 20 V EDS461 0549 External measuring current transformer type W WR EDS460 EDS490 W 8000 Ws pe EDS461 EDS49 on EDS461 49 2 10 mA EDS460 05490 0 2 1 mA EDS461 EDS49 DC 50 60 400 Hz 15 50 mA EDS460 EDS490 0 15 5 mA EDS461 EDS49 100 mA EDS460 05490 10mA 1A EDS461 EDS49 12110
25. TGH1394en 03 2011 Table of Contents PZ BENDER 6 6 3 6 Settings menu 6 Interface 6 6 3 7 Settings menu 7 Alarm addresses 6 6 3 8 Settings menu 8 Clock 6 6 3 9 Settings menu 9 Password 6 6 3 10 Settings menu 10 Factory settings 6 6 3 11 Settings menu 11 Service 6 6 4 Menu 4 Control 6 6 4 1 Control menu 1 TEST 6 6 4 2 Control menu 2 RESET 6 6 4 3 Control menu 3 Test communication 6 6 5 Menu 5 External devices 666 Info rana 7 Tests and service 63 7 1 Periodic tests saniem iei Dn Wan ED ivi videas 63 7 2 Maintenance 7 3 Service 7 4 Troubleshooting 7 4 1 Display device error 7 4 2 Device error display channel related 7 4 3 CT connection fault display channel related 7 44 Display peak 7 45 External alarm 81 Standards setti ieri 8 2 Approvals and certifications 8 3 Technical data EDS460 490 EDS461 491 8 4 Response sensitivity characteristics 8 4 1 Characteristic curves EDS460 490 8 4 1 1 EDS460 490 characteristics for 3AC systems 8 4 1 2 EDS460 490 characteristics for systems 8 4 1 3 EDS460 490 characteristics for DC systems TGH1394en 03 2011 5 pe BENDER Table of Contents
26. VL BENDER Operating Manual EDS460 490 and EDS461 491 Insulation fault locator Software version EDS4 0 D D234 V3 0 D256 V2 2 EDS4 0 L D234 V3 0 D216 V2 2 EDS4 1 D D358 V3 1 0256 V2 2 EDS4 1 L D358 V3 1 D216 V2 2 TGH1394en 03 2011 WZ BENDER Bender Inc USA 700 Fox Chase Coatesville PA 19320 Toll Free 800 356 4266 Phone 610 383 9200 Fax 610 383 7100 E mail info bender org Canada 5810 Ambler Drive Unit 1 Mississauga ON LAW 4J5 Toll Free 800 243 2438 Phone 905 602 9990 Fax 905 602 9960 E mail info bender ca com Web http www bender org BENDER Group Bender Inc rights reserved Content subject to change BENDER Table of Contents 1 How to get the most out of this manual 1 1 How to use this manual 1 2 Explanation of symbols and 7 PER VADE 9 27 Intendediuse steterit ieri 9 22 Qualified personnel 2 3 Safety information gt 2 4 Delivery conditions guarantee warranty and liability 11 3 20 02 lt 13 3 1 Features 3 1 1 Areas of application 3 1 2 Standards 3 1 3 System versions 3 1 4 System features 5 32 Function of the EDS 5 5 3 2 1 Block diagram EDS system 3 2 2 Test cycle 3 2 3 Currents in the EDS 3 2 4
27. and could cause interfer ence been taken into account 5 Has the maximum permissible cable length for the meas uring current transformers been observed 6 Isa 120 resistor connected at the beginning and end of the BMS bus 7 Have the maximum permissible interface cable length 1200 m and number of BMS bus nodes 32 been observed 8 In respect of the BMS bus node address settings has each address only been assigned once Is address 001 and therefore the master function assigned TGH1394en 03 2011 31 pe BENDER Commissioning 5 2 Switchingon 1 Connectthe supply voltage of all devices connected to the BMS bus Initially the ON LED flashes on the EDS and the EDS D graphic display shows the Bender welcome screen The ON LED then lights up permanently 2 Eliminate insulation and device errors If a response value is exceeded or device error messages occur this is indicated on the EDS by means of the alarm LED lighting up and an associated message appear ing 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 master Eliminate the insulation faults detected by the EDS TheEDS D indicates any device errors that have occurred on its display the EDS L displays an error code Device errors may be caused by meas
28. d value that can be detected provided that the measuring channel is functioning correct ly Press the W arrow button several times to show that the other channels are functioning correctly TEST 12 12 e Insulation fault 50 mA Addr 2 Chan 12 TGH1394en 03 2011 37 BENDER Operation e EDS L All alarm LEDs light up ALARM 8 9 1011 12 Once the test has been completed all LEDs must go out again with the tion of the ON LED 6 3 4 Resetting saved alarm messages RESET If the fault memory is enabled the alarm status will remain even after the cause of the fault has been eliminated until a RESET is carried out Press the ESC button to exit the display ofthe current alarm message To car ry out a RESET e Select the standard display then press and hold down the RESET but ton on the EDS front panel for at least one second e Press the external reset button connected to the EDS e Send a reset command via the BMS bus e EDS Donly Call the RESET function in the Control menu Stored alarm messages that are no longer pending are reset the alarm relay drops out the ALARM LEDs go out and there are no longer any alarm messag es on the BMS bus The EDS D shows the progress of the reset operation 38 TGH1394en 03 2011 Operation BENDER 6 3 5 Displaying standard information This function is only available in EDS D Press the INFO bu
29. dual currents caused by converters for example may have the effect that insulation faults cannot be found when their frequency is equal or nearly equal the test cycle frequency ofthe IRDH575 respectively PGH TGH1394en 03 2011 19 BENDER System description 20 TGH1394en 03 2011 Installation and connection pe BENDER 4 Installation and connection 4 1 4 2 Unpacking Unpack all the parts supplied with the system Do not use tools with sharp edges which might damage the content of the package Compare your order with our delivery note to check that you have received all products in full The article numbers printed on the name plates simplifies the identification of the devices Check all parts supplied for any evidence of damage in transit Equip ment damaged in transit must not be used If a device has sustained damage please contact Bender Details ofwho to contact are indicated on the delivery documents When storing the devices in a cold environment as it is in winter the fol lowing is to be considered 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 parts Putting damp devices into operation risks damaging electrical components and there is a danger of electric shock on contact Fuses max voltage cable lengths Equip the supply voltage of all sys
30. e 47 This menu offers various control options 3 Control such as TEST RESET Test communication 97 Information the device The same display Anfo is obtained by pressing the INFO button in 62 the operating mode refer to Displaying standard information on page 39 Use the Up Down buttons to select the appropriate function or device setting and confirm with the J button TGH1394en 03 2011 61 pe BENDER Operation The Settings menu displays the following settings Menu item Function Page Exit Exit Settings 1General Configure the fault memory trigger rated 48 frequency and type of system Configure the following in respect of each measuring channel Response value meas uring transformer type response delay 2 Channel delay on release measuring transformer 49 monitoring filters for systems with inverters and alarm when the residual current has been exceeded Set the relay mode of operation and type of 3 Relay fault that you wish to cause a switching 53 operation for the common alarm relay et Resets every setting to its factory setting 56 setting 5 Service For Bender service staff only 56 6 6 6 Menu 6 Info This menu displays standard information on the EDS D for details refer to Displaying standard information on page 39 62 TGH1394en 03 2011 Tests and service pe BENDER 7 Tests and service 7 1 Periodic tests The EDS system mo
31. ed to the BMS bus the alarm messages of which are to be displayed on this EDS D Set the ad dresses of devices whose messages are to be displayed to on Addresses set to on are monitored for presence on the BMS bus if a device cannot be found on the bus a corresponding message will appear The address of this EDS is set to on automatically 54 TGH1394en 03 2011 Operation pe BENDER Exit 1 Address on 2 Address off 3 Address off on Messages of this device will be displayed off Messages of this device will not be displayed 6 6 3 8 Settings menu 8 Clock Set the date format date time and summer time changeover Set the time and date on the BMS bus master All slaves adopt this setting The setting is synchronised every hour The Clock menu setting remain stored for approx 2 h af ter power supply failure 1 Format Set the German or American format d m y German format day month year m d y American format month day year 2 Date Set the date e g 20 06 2010 3 Time Set the time e g 16 44 4 CEST Setting for automatic switchover to Central European Summer Time AUTO Automatic switchover OFF No switchover winter time is retained TGH1394en 03 2011 55 BENDER Operation 6 6 3 9 Settings menu 9 Password Change password activate deactivate password 1 Password Change password Factory setting 000 2 Status Activate or deactivate password protection Settin
32. elay K2 Alarm 2 common alarm for alarm C24 or device error R Activate or deactivate the BMS bus terminating resistor on off 120 Q 11 14 Alarm relay per channel One N O contact per channel 121 124 e g N O contacts 11 14 for channel 1 Measuring current transformer The external test reset buttons of several devices must not be connected to one another TGH1394en 03 2011 27 BENDER Installation and connection 4 43 Connection of W WR WS series measuring current transformers CT1 EDS460 D L The terminals 1 and 2 as well as the terminals 3 and 4 are bridged internally The connections and at the EDS must not be inter changed 28 TGH1394en 03 2011 Installation and connection pe BENDER You must ensure that all live conductors are routed through the measuring current transformer Do not route any PE conductors or shields of shielded conductors through the measuring current transformer Commercial measuring current 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 available in our Transformer installation technical information 4 4 4 Connection example EDS standard system with FTC4 XET See the next page for this example Key for connection example IRDH575 Insulation monito
33. elevant curve cannot be detected 5 Select the middle characteristic for an EDS response value of 5 mA factory setting Mark the system leakage capacitance C on the char acteristic Read off the relevant resistance R from the characteristic The resistance R thus calculated indicates the maximum response value that can be set on the insulation monitoring device e g IRDH575 If higher response values than this are set insulation fault detection becomes unreliable A reliable response on the part of the insulation monitoring device must be ensured before the EDS system can be started 6 If you wish to set a higher or lower response value for the insulation monitoring device you will need to calculate the resistance for the top and bottom characteristics as described under point 5 Values and characteristics that fall between the top and bottom characteristics can be roughly determined on the basis of those actually provided 7 Setthe calculated response values on the insulation monitoring device and the EDS TGH1394en 03 2011 73 BENDER Data 8 4 1 Characteristic curves EDS460 490 8 4 1 1 EDS460 490 characteristics for systems 3AC 230 V 50 45 40 35 30 25 20 15 10 5 0 R kOhm 3AC 400 V 100 90 80 70 60 50 40 30 20 10 R kOhm 0 I DL 1 10 100 WF 74 TGH1394en 03 2011 Data pe BENDER 3AC 500
34. en 03 2011 89 BENDER Data Label for modified versions There will only be a label in this field if the device is different from the standard version 90 TGH1394en 03 2011 BENDER INDEX A ALARM 35 Alarm status 36 44 65 Areas 13 B Bender service 56 Bus address 54 Checking the device function 37 Commissioning 31 63 Connection example 29 Control 57 CT monitoring 52 CT type 50 D Damage in transit 21 Date 55 Delay on release 51 E Environment cold 21 Error code 64 F Factory settings 56 Fault memory 48 Fuses 21 H History memory 46 I Intended use 9 L Language 54 M Main menu 40 41 Maintenance 63 Menu mode 40 N Nominal insulation voltage 21 Operating mode 35 Ordering information 84 Overview diagram 42 Password 56 Peak 66 Personnel 10 TGH1394en 03 2011 91 BENDER R Rated frequency 49 Relay mode of operation 53 RESET 38 Residual current 44 Response delay 50 5 Service 63 Shielded conductors 29 Standard information 39 62 Standards 63 Summer time 55 Switchingon 31 32 System components 7 Test communication 57 Test function 63 Time 55 U Unpacking 21 Wiring diagram 25 27 92 TGH1394en 03 2011 Bender Inc USA 700 Fox Chase Coatesville PA 19320 Toll Free 800 356 4266 Phone 610 383 9200 Fax 610 383 7100 E mail info bender org Canada 5810 Ambler Drive Uni
35. er to Settings menu 4 History on page 54 Line 1 Line 2 Line 3 Line 4 Line 1 Line 2 Line 3 Line 4 History no 297 Start 21 06 2010 15 57 00 Quit End 21 06 2010 16 07 03 Event number if applicable TEST Event start Date time Event acknowledgement e g alarm deleted at IRDH575 MK800 FTC4 Date time Event end Date time If you are searching for an event that occurred at a specific time use the arrow buttons to scroll to the required entry Use the button to call up details about the current history memory entry History no 297 Insulation fault Min 2mA Max 50mA Addr 2 Chan 1 Event number if applicable TEST Alarm device error designation Minimum and maximum measured value Address and measuring channel of device sending the mes sage 46 TGH1394en 03 2011 Operation pe BENDER 6 6 3 Menu 3 Settings The following menu items are available for configuring the EDS Menu item Function Page Exit Exit settings Configure the fault memory trigger rated frequency and type of system 48 1 General Configure the following in respect of each measuring channel Response value meas uring transformer type response delay 2 Channel delay on release measuring transformer 49 monitoring filters for systems with inverters and alarm when the residual current has been exceeded Set the relay mode of
36. gs can be password protected If the password is ac tivated enabled all settings can be displayed When an E attempt is made to change settings the password entry screen appears automatically Enter password 000 Once a valid password has been entered access will be granted to settings in all menus except the Service menu until menu mode is exited Ifyou can t remember your password contact the Bender Service 6 6 3 10 Settings menu 10 Factory settings Resets every setting to its factory setting Factory settings are given in paren theses in the technical data 6 6 3 11 Settings menu 11 Service This menu is intended for Bender service employees only 56 TGH1394en 03 2011 Operation pe BENDER 6 6 44 Menu 4 Control This menu offers various options for controlling the EDS Exit Exit Settings 1 TEST Call up a test 2 RESET Initiate a reset 3 Test Test communication between the EDS and communication other BMS devices 6 6 4 1 Control menu 1 TEST Call up a test see also Carrying out a test on page 37 To prevent this func tion being carried out inadvertently the operator must once again confirm this entry 6 6 4 2 Control menu 2 RESET Call up a reset see also Resetting saved alarm messages RESET on page 38 To prevent this function being carried out inadvertently the opera tor must once again confirm this entry 6 6 4 3 Control menu 3 Test communica
37. ion in AC DC and DC IT systems e and control circuits in industrial installations and ships e Diode decoupled DC IT systems in power stations e Systems for medical locations 3 1 2 Standards The standard for unearthed power supply systems IT systems IEC 60364 4 41 re quires that a first fault is to be eliminated with the shortest practicable delay Fast insulation fault location is possible with EDS systems 3 1 3 System versions EDS460 EDS461 EDS490 or EDS491 insulation fault locators differ in their re sponse sensitivity and or number of alarm relays 3 1 4 System features e Universal system concept e Modular design hence easily adaptable to the individual conditions of the system e Measuring current transformers in various sizes and types of construc tion e Communication between the components via BMS bus two wire e All measuring current transformers are scanned simultaneously Central indication of faulty sub circuits e Various setting options allow individual adjustments e Connection to higher level control and visualisation systems can easily be established TGH1394en 03 2011 13 pe BENDER System description 3 2 Function of the EDS system When an insulation fault is detected by the insulation monitoring device in the IT system the insulation fault location process will be started On the occurrence of a first insulation fault a fault current essentially deter mined by the
38. l 7 Alarm addresses 8 Clock 9 Password F 410 Factory setting 11 Service Exit Exit 1 TEST 5 External devices 6 Info 342 RESET 3 Test communication 42 TGH1394en 03 2011 Operation 6 5 3 Main menu functions BENDER the operating mode refer to Displaying standard information on page 39 Menu item Function Page Exit Exit menu mode Displays the following for each measuring 1 Alarm meas channel Alarm status locating current 44 values residual current Displays the history 300 data records with information about messages acknowledge 2 History ments and associated times Displays the 46 minimum and maximum measured value with address and channel 3 Settings Settings for EDS are made here 47 This menu offers various control options 4 Control such as TEST RESET Test communication 37 5 External Settings on devices externally connected to devices the BMS bus e g EDS460 D L 59 EDS490 D L Information on the device The same display PIRA is obtained by pressing the INFO button in 62 TGH1394en 03 2011 43 BENDER Operation 6 6 The main menu 6 6 1 Menu 1 Alarm meas values EDS displays the following for each measuring channel Alarm status locat ing current 4 residual current Column 1 Column
39. layed as characteristic curves The maximum deviation can be 50 includ ing the tolerances ofthe measuring current transformers The characteristic curves apply to the respective nominal voltage indicated in the diagram Ifthe nominal voltage of the system being monitored is different from the nom inal voltage shown in the diagram the response values may change proportionally Nominal voltages changing dynamically during operation or in case of superimposed alternating currents that deviate from the system fre quency e g caused by frequency converters or superim posed direct currents may result in response values that are outside the range displayed in the diagram 72 TGH1394en 03 2011 Data pe BENDER The following characteristics are an easy way of determining a suitable re sponse value for the insulation monitoring device and the EDS Proceed as follows 1 Select the characteristics 3 AC AC DC that are appropriate for your type of distribution system 2 From these select the diagram that best matches the desired system voltage 3 Calculate the anticipated leakage capacitance of the system being monitored The IRDH575 displays the system leakage capacitance press the INFO button Apply this value to the diagram in the form of a vertical line 4 The characteristics provided indicate the EDS system s response sensi tivity when the EDS response value is set to 2 mA 5 mA and 10 mA Val ues above the r
40. m cable lengths 4 31 Dimension diagram EDS460 461 D L 108 22 TGH1394en 03 2011 Installation and connection PZ BENDER 4 3 2 Dimension diagram EDS490 491 D L 74 162 475 31 1 67 5 45 04 5 Dimensions TGH1394en 03 2011 23 BENDER Installation and connection 4 4 Connection 4 41 Wiring diagram EDS460 461 D L TES 0 0 1 1 ks 1 00 00 RA Em EEE 24 TGH1394en 03 2011 Installation and connection BENDER Legend to wiring diagram Supply voltage Us see ordering information 6 A fuse recommended two pole fuses should be used on IT 1 2 systems For UL and CSA applications the use of 5 A fuses is mandatory k12 Connection of measuring current transformers 1 12 BMS bus RS 485 interface with BMS protocol R T External reset button N O contact T R T External test button N O contact C11 C12 Common alarm relay K1 Alarm 1 common alarm for alarm C14 or device error C21 C22 Common alarm relay K2 Alarm 2 common alarm for alarm C24 or device error R Activate or deactivate the BMS bus terminating resistor on off 120 Q Measuring current transformer The external test reset b
41. n firm with the J button External devices connected to the BMS bus or switched on for the first time are displayed by the EDS D not until a ES few minutes later in the external devices list You don t need to wait for the list to appear You can select and set the external device immediately via the address The device is being searched 2 EDS460 L I TGH1394en 03 2011 59 P BENDER Operation If no access to the menu appears press the ESC button to exit the display Possible causes are e device with this address available e Connected device does not support this programming function e Access not possible at the moment The External devices menu is not suitable for program ming this EDS If you otherwise try to program it the er message Own address will appear When the device has been recognised the EDS D reads the current settings of the connected device The address and the device type will be displayed in the first line 2 EDS460 L Exit 1 Alarm meas values 2 Settings 60 TGH1394en 03 2011 Operation The following menu items are displayed for the EDS L BENDER Menu item Function Page Exit Exit menu mode Displays the following for each measuring 1 Alarm meas channel Alarm status locating current 44 values residual current 2 Settings Settings for EDS are made her
42. n 03 2011 Operation pe BENDER 6 3 Working operating mode 6 3 1 Standard display In operating mode the EDS waits for insulation fault location to begin The schematic representation shows that no alarm message exist on all of the 12 channels O 000000000000 1234567 8 9101112 The EDS L displays its BMS bus address e g 02 Only the green Power ON LED is lit 6 3 2 Alarms and their effects Possible causes of alarm messages include e Insulation faults or residual currents gt 10 A EDS460 490 or gt 1 EDS461 491 e measuring current transformer or measuring current transformer connection fault e Device error The EDS signals alarm or device error e ALARM 1 LED lights up if the residual current is gt 10 A EDS460 490 or 1 A EDS461 491 or in the event of a CT connection fault e ALARM 2 LED lights up when an insulation fault is located e Assigned common alarm relays switch e An alarm message is being sent to the BMS bus e EDS D An alarm message is shown on the display An entry is made in the history memory e EDS L The alarm LED of the affected measuring channel lights up or flashes TGH1394en 03 2011 35 2 BENDER Operation EDS D An alarm message is shown on the display ALARM 1 1 Insulation fault 12 mA Addr 2 Chan 12 Line 1 ALARM Alarm 1 of 1 pending alarm Line 2 Alarm status and alarm text O No alarm
43. nitors itself during operation We recommend that the test function is called on each connected EDS at regular intervals A test can be called up in the following ways Select the standard display then press and hold down the TEST but ton on the EDS front panel for at least one second e Press external test button connected to the EDS e Send a test command via the BMS bus e EDS Donly Call the TEST function in the Control menu Observe the applicable national and international standards which require regular testing of electrical equipment 7 2 Maintenance The EDS system does not contain any parts that require maintenance 7 3 Service Bender is happy to provide on site service in respect of commissioning and periodic testing TGH1394en 03 2011 63 pe BENDER Tests and service 7 4 Troubleshooting 7 4 1 Display device error An error code is displayed if a fault occurs Please have this device information to hand if you should need to contact us for assistance by telephone Error Description code p 1 Measurement 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 Measurement technique Wrong measurement p c b incor rect mounting 13 Measurement technique Hardware error after performing a self test 71 BMS i
44. not recognised an in sulation fault for the duration of four locating current pulses The alarm is terminated when the EDS4 1 has not recognised an in sulation fault for the duration of five locating current pulses In the case of DC systems 6 s is preset IRDH575 PGH sends alternate positive and negative locating current pulses However in a DC system locating current pulses must either be all positive or all negative As only every second locating current pulse counts the system must wait for a further locating current pulse to be sent before it can be certain that this measuring channel is free from insulation faults TGH1394en 03 2011 51 P BENDER Operation 5 CT monitor Enable or disable monitoring of the measuring current transformers ON Measuring current transformers are monitored Open circuit short circuit or missing measuring current transformers generate an alarm message The ALARM 1 LED lights up OFF Measuring current transformers are not monitored 6 Inverter EDS460 490 only Inverters are a major source of interference for the monitored system ON Channel is optimised for inverters Insulation fault location takes longer in this sub circuit OFF Channel is not optimised for inverters Insulation faults cannot be re liably detected in circuits containing inverters 7 Alarm I d If the residual current exceeds gt 10 A EDS460 490 resp gt 1A EDS461 491 an alarm message is displayed
45. nterface No master available resp has not been que ried by a master for five minutes 72 BMS interface Fault RS 485 interface Display the event of a fault EDS D EDS L Er Device error xx xx alternately displayed xx Error code 64 TGH1394en 03 2011 Tests and service pe BENDER 7 4 2 Device error display channel related LED Alarm 1 lights up The common alarm relay switches The EDS D dis plays Fault 1 1 Device error 11 Addr 2 Chan 4 Line 1 FAULT Alarm 1 of 1 pending alarm Line 2 Alarm status and alarm text O 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 Possible causes Incorrect basic programming of the EDS Wrong p c b assembly at four consecutive channels Internal memory fault Faulty channels after test TGH1394en 03 2011 65 pe BENDER Tests and service 7 4 3 CT connection fault display channel related LED Alarm 1 lights up The common alarm relay switches The EDS D dis plays Fault 1 1 CT fault Addr 2 Chan 4 The CT fault is displayed in the same way as Display device error on page 64 Possible causes Measuring current transformer defective e Power supply cable interrupted e Power supply cable short circuited 7 44 Display peak S
46. operation and type of 3 Relay fault that you wish to cause a switching 53 operation for common alarm relay 4 History Erasing the history memory 54 5 Language Select the language for menu and alarm texts 54 6 Interface Configure the BMS bus address ofthe EDS 54 Setting of bus addresses for devices whose 7 Alarm alarm messages are to be displayed on this 54 addresses EDS D 8 Clock Configure the time date date format and 55 summer time changeover 9 Password Changing and activating the password 56 ey Resets every setting to its factory setting 56 setting 11 Service For Bender service staff only 56 TGH1394en 03 2011 47 A BENDER Operation Some settings are only available for specific EDS ver sions e g EDS460 490 only The sequence of the sub menus may deviate from the settings menu described below 6 6 3 1 Settings menu 1 General Use this menu to make settings that apply to the whole device and therefore to all channels 1 Memory Faults that only occur temporarily can be saved ON After the cause of fault has been eliminated all alarm mes sages remain saved until a RESET is carried out This function relates to alarm and device error messages OFF EDS exits the alarm status as soon as the cause of the error is eliminated 2 Trigger EDS460 490 only The IRDH575 PGH locating current pulse is synchronised with the EDS measurement technique
47. ring device with integrated locating current injector EDS insulation fault locators Protocol converter for connecting the BMS bus Bender FTCA XET measuring device interface with a TCP IP Transmission UT Control Protocol Internet Protocol network via Ether net TGH1394en 03 2011 29 Installation and connection BENDER en D Celle ahh TO09vsq3 q oorsqa SLSHOYI PU Lai 22 6 ew 0 0 o 0 e gt TGH1394en 03 2011 30 Commissioning ve BENDER 5 Commissioning Note on opening the transparent front panel cover Take hold of the cover at the bottom edge and swivel it upwards The cover can also be removed completely Once the adjustments have been completed the front panel cover must be refitted 5 1 Beforeswitching on 1 Does the connected supply voltage Us match the informa tion on the device nameplates 2 Hasthe maximum permissible rated insulation voltage of the measuring current transformers and IRDH575 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 magnetic fields that are nearby
48. rotective separation reinforced insulation between A1 A2 k1 1 k12 R T R T A B C11 C12 C14 Q1 C2 04 11 14 21 24 31 34 41 44 51 54 61 64 71 74 81 84 91 94 101 104 111 114 121 124 Protective separation reinforced insulation between C12 C14 C21 C2 C4 11 14 21 24 31 34 41 44 51 54 61 64 71 74 81 84 91 94 101 104 111 114 121 124 Dielectric test to 61010 1 3 536 kV Ratediinsulation Voltage iacit rie AC250V K1 1 K12 T R T A B C11 C12 C14 C21 C22 C4 11 14 21 24 31 34 41 4 51 54 61 64 iaia 2 21 kV Rated impulse voltage pollution degree Basic insulation between Basic insulation between Voltage test acc to IEC 61010 1 Insulation coordination acc to IEC 60664 1 IEC 60664 3 for versions with a supply voltage of DC 16 94 V AC 42 460 Hz 16 72 V atedinsulation VOltage sciare AC100 V Rated impulse voltage pollution degree 25 Protective separation reinforced insulation between 1 12 T R T A B Voltagetest tO een 1 344 KV AC250V zo Rated insulation voltage Rated impulse voltage pol ution degree Basic insulation between une M A2 k1 I K12 T R
49. system leakage capacitances flows in the IT system The funda mental idea in fault location is therefore to close the fault current loop for a short period via a defined resistance As a result of this principle the system voltage itself drives a locating current containing a signal that can be evaluat ed The locating current signals are generated periodically by the IRDH575 re spectively the The locating current is limited in amplitude and time As this happens the system conductors are connected alternately to earth via a defined resistance The locating current generated in this manner depends on the magnitude of the present insulation fault and the system voltage It is limited according to the setting of the IRDH575 respectively the For planning purposes it should be noted that no system components are present in which this locating current can bring about a damaging reaction even in unfavourable cases The locating current pulse flows from the locating current injector via the live parts taking the shortest path to the location of the insulation fault From there it flows via the insulation fault and the PE back to the IRDH575 respec tively PGH This locating current pulse is then detected by the measuring current transformers located in the insulation fault path and is signalled by the connected insulation fault locator Additional information is available in the data sheet Technical issues affect ing
50. t 1 Mississauga ON L4W 4J5 Toll Free 800 243 2438 Phone 905 602 9990 Fax 905 602 9960 E mail info bender ca com Web http www bender org PZ BENDER
51. tem components with fuses so that they are protected in the event of a short circuit We recommend that you use 6 A fuses For UL and CSA applications the use of 5 A fuses is mandatory Please note The maximum voltage of the monitored system must not exceed the rated insulation voltage of the measuring current trans former used in the EDS system and the IRDH575 or PGH Select the cables and cable lengths in accordance with the technical data on page 68 If you use cables that are longer than those specified here Bender cannot guarantee that the equipment will function safely TGH1394en 03 2011 21 BENDER Installation and connection 4 3 Notes on mounting Before mounting the device and working on the device connections make sure that the power supply voltage has been disconnected Failure to comply with this re quirement will expose personnel to the risk of electric shock Furthermore the electrical installation may sus tain damage and the device may be destroyed beyond re pair Danger The devices are suitable for the following types of installation e standard distribution panels according to DIN 43871 or DIN rail mounting according to IEC 60715 or e screw mounting using M4 screws Mount the measuring current transformers in accordance with the notes in the Transformer installation technical information When connecting the measuring current transformers it is essential that you observe the maximu
52. tion This function enables you to test the communication between the EDS and other BMS devices This involves the EDS sending an alarm message via the BMS bus until the Test communication function is exited A connected eval uation device IRDH575 MK800 COM460IP FTC470 must process this alarm Select a channel for this alarm message TGH1394en 03 2011 57 BENDER Operation Example Alarm insulation fault on channel 1 1 Select channel 1 o Channel disabled Exit 1 Chan 1 2 Once the button is pressed the alarm is transmitted on the BMS bus This is indicated by the alarm display Insulation fault Exit 1 Chan 1 58 TGH1394en 03 2011 Operation pe BENDER 6 6 5 Menu 5 External devices This menu can be used for setting and operating external devices connected via the BMS bus to this EDS D In this way settings at EDS L or other EDS D for example can be carried out The menu items of the external devices available via this function are dis played on the EDS D Modifications of the settings of the external device are stored automatically 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 Exit 1 EDS460 D 2 EDS460 L 3 Use the Up Down buttons to set the address of the external device and co
53. tton Toggles between the standard display MENU and alarm display ENTER button Confirms parameter changes 8 Backlit graphical LC display refresh every 20 seconds TGH1394en 03 2011 33 P BENDER Operation 6 2 EDS L operating and display elements Alarm LED 1 lights up in the event of the following types of device error when the residual current is gt 10 A for EDS460 490 or gt 1 A for EDS461 EDS491 RCM function when there is a loss of power or short circuit in a measuring current transformer circuit this function can be deactivated Alarm LED 2 lights up if an insulation fault is detected on a meas uring channel EDS function The ON LED lights up when the device is switched on and flashes during power on until the device is ready for operation ESC button Exits the menu function without changing parameters TEST button Calls up the self test UP button Parameter change scroll RESET button Acknowledges alarm and fault messages DOWN button Parameter change scroll SET button Sets the BMS address ENTER button Confirms parameter changes Alarm LEDs 1 12 light up if an insulation fault has been detected in the relevant measuring channel They flash in case of interruption of a CT circuit or in case of a short circuit in a CT circuit Digital display for device address and error codes 34 TGH1394e
54. tton You will now see information relating to the device and software on the EDS D dis play Press the W arrow button several times to display all the information Please have this information to hand if you should need to contact us for as sistance by telephone Line 1 Line 2 Line 3 Line 4 Line 5 Line 6 Line 7 Line 8 10 Line 11 EDS460 D 02 07 10 14 59 Address 2 Software D234V3 0x Device type Date time Address set on the BMS bus Software version of measurement technique Date of the measurement technique software version Communication software version Date of communication software version Bender address homepage Exit Exit standard information TGH1394en 03 2011 39 pe BENDER Operation 6 4 Setting the EDS L EDS L has a 7 segment LED display only can be operated and set via an EDS D or via the following devices IRDH575 V1 5 or higher MK800 or FTC4 XET Only the BMS bus address can be set directly on the EDS L The following functions and settings are not included in the EDS L Displaying standard Time of day date information Language Interface menu History memory Password Setting the BMS bus address of the EDS L 1 Pressthe SET button for approximately two seconds to open the main menu The BMS bus address flashes 2 Use the arrow buttons A V to select the required address Press the Enter button J
55. u lation monitoring device or PGH locating current injector and evaluate them TGH1394en 03 2011 9 BENDER Safety instructions Up to 12 measuring current transformers can be connected to one EDS Up to 90 EDS insulation fault locators can be connected via a BMS bus RS 485 interface with BMS protocol thereby up to 1080 measuring channels sub cir cuits can be monitored The scanning time for all channels is for EDS460 EDS490 approx 8 24 s for EDS461 EDS491 approx 14 30 s The individual parameterisation necessary to adjust the insulation fault loca tor to the existing system and utilisation conditions must be carried out at the place of utilisation in order to meet the requirements laid down in the stand ards Please take note of the limits for the application area specified in the technical data Any other use or use which goes beyond the foregoing is deemed to be use other than for the intended purpose Use for the intended purpose also includes e observation of all information in this operating manual e andthe compliance with test intervals 2 2 Qualified personnel Only skilled persons may work on Bender devices Personnel who are familiar with the assembly commissioning and operation of the equipment and have undergone appropriate training are considered qualified Such personnel must have read this manual and understood all instructions relating to safety 2 3 Safety information
56. uring current transformers not being connected Check the measuring current transformer connections Disable transformer monitoring for measuring chan nels that are not required refer to Chapter 6 6 3 2 Settings menu 2 Channel submenu 2 CT on page 50 Due to the synchronisation processes on the BMS bus current alarm messages may not be available for a short time If however the causes of the alarms are still present the alarm messages will reappear after a few seconds 32 TGH1394en 03 2011 Operation pe BENDER 6 Operation 6 1 EDS D operating and display elements 2 1 3 8 Alarm LED 1 lights up in the event of the following types of device errors 1 when the residual current is 10 A for EDS460 490 or 1 A for EDS461 EDS491 RCM function when there is a loss of power or short circuit in a measuring cur rent transformer circuit this function 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 until the device is ready for operation 4 INFO button Calls up standard information ESC button Exits the menu function without changing parameters 5 TEST button Calls up the self test UP button Parameter change scroll 6 RESET button Acknowledges alarm and fault messages DOWN button Parameter change scroll 7 MENU bu
57. uttons of several devices must not be connected to one another TGH1394en 03 2011 25 BENDER Installation and connection 4 4 2 Wiring diagram EDS490 491 D L 00 00 00 k3 k5 11 14 21 T 31 34 41 T 51 54 61 vo Dn vo k7 I k9 10 k11 I k12 RG 71 74 81 84 91 94 101 104 111 114 121 124 A1 A2 A B R RIT T 11 12 14 21 26 TGH1394en 03 2011 Installation and connection pe BENDER Legend to wiring diagram Supply voltage Us see ordering information 6 A fuse recommended two pole fuses should be used on IT 1 2 systems For UL and CSA applications the use of 5 A fuses is mandatory 1 12 Connection of measuring current transformers 1 12 BMS bus RS 485 interface with BMS protocol R T External reset button N O contact T R T External test button N O contact C11 C12 Common alarm relay K1 Alarm 1 common alarm for alarm 14 or device error C21 C22 Commonalarm r
58. ystem related faults may impair the insulation fault location process The EDS marks the faulty channels in the Alarm meas values menu with peak I ds I d 1 lt 100mA 7 4 5 External alarm LED Alarm 2 lights up The common alarm relay switches Possible causes e Alarm message from an external device e Device failure 66 TGH1394en 03 2011 Data BENDER 8 Data 8 1 Standards Observe the applicable national and international standards The EDS series meets the requirements of the following equipment standards e 1EC60364 4 41 2005 12 Low voltage electrical installations Part 4 41 Protection for safety Protection against electric shock e 1EC61557 9 2009 01 Electrical safety in low voltage distribution systems up to 1000 V a c and 1500 V d c Equipment for testing measuring or monitoring of protective measures Part 9 Equipment for insulation fault location in IT systems The operating manuals for the individual system components provide you with information about the standards that apply to that particular device 8 2 Approvals and certifications Pc 0 LISTED TGH1394en 03 2011 67 F BENDER Data 8 3 Technical data EDS460 490 EDS461 491 Insulation coordination acc to IEC 60664 1 IEC 60664 3 for versions with a supply voltage of AC DC 70 276 V AC 42 460 Hz atedilnsulation Voltage ei AC250V Rated impulse voltage pollution degree 6kV III P

User Manual: EDS460 / EDS490 Series

Contents

Download Pdf Manuals

Related Search

Related Contents