Bender EDS460 Operating Manual
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Bender EDS460 Operating Manual

Insulation fault evaluators
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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
Power in electrical safety
TGH1394en/05.2007

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Summary of Contents for Bender EDS460

  • Page 1 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 Power in electrical safety TGH1394en/05.2007...
  • Page 2 Dipl.-Ing. W. Bender GmbH & Co.KG Londorfer Str. 65 • 35305 Grünberg • Germany Postfach 1161 • 35301 Grünberg • 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.

  • Page 3: Table Of Contents

    3.2.4 Requirements for reliable insulation fault location ......18 4. Installation and connection ................. 21 Unpacking ......................21 Fuses, max. voltage, cable lengths ............21 Notes on mounting ..................22 4.3.1 Dimension diagram EDS460/461-D/-L ..........23 4.3.2 Dimension digram EDS490/491-D/-L ............ 23 TGH1394en/05.2007...
  • Page 4 Table of Contents Connection ...................... 24 4.4.1 Wiring diagram EDS460/461-D / -L ............24 4.4.2 Wiring diagram EDS490/491-D / -L ............26 4.4.3 Connection of W…, WR…, WS…-series measuring current transformers ....................28 4.4.4 Connection example EDS standard system with FTC470XET ..29 5.
  • Page 5 7.4.5 External alarm ....................66 8. Data ........................67 Standards ......................67 Approvals ......................67 Technical data EDS460/490 / EDS461/491 ........... 68 Response sensitivity characteristics ............71 8.4.1 Characteristic curves EDS460/490 ............73 8.4.1.1 Characteristics for 3AC systems ............73 8.4.1.2...
  • Page 6 Table of Contents 8.4.1.3 Characteristics for DC systems ............76 8.4.2 Characteristic curves EDS461/491 ............78 Ordering information ................... 79 TGH1394en/05.2007...

  • Page 7: How To Get The Most Out Of This Manual

    E-Mail: info@bender-service.com • www.bender-de.com Although reat care has been taken in the drafting of this operating man- ual, it may nevertheless contain error and mistakes. The BENDER group cannot accept any liability for injury to persons or damage to property resulting from errors or mistakes in this manual.
  • Page 8 How to get the most out of this manual This symbol indicates an immediate risk to life and limb. Failure to observe these warnings means that death, se- vere bodily injury or substantial damage to property will Danger ! occur if the corresponding precautions are not taken. This symbol indicates a potential danger to the life and limb.

  • Page 9: Safety Instructions

    In case of doubt, please contact a BENDER product man- ager. An EDS system consists of the insulation fault evaluators EDS460/490 or 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 gener- ated by the RDH575 insulation monitoring device or PGH...

  • Page 10: Qualified Personnel

    2.3 Safety information 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.

  • Page 11: Warranty And Liability

    Non-observance of instructions in this operating manual and the sup- plement entitled "Important safety instructions for BENDER products" in respect of transport, storage, installation, commissioning, operation and maintenance.

  • Page 12: Guarantee

    The guarantee obligation is restricted to repairing or replacing equip- ment returned to BENDER within the guarantee 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 incorrect handling or modification of equipment, non-compliant use or abnormal operating conditions.

  • Page 13: System Description

    (IT systems) that a first fault is to be eliminated with the shortest prac- ticable delay. Fast insulation 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 system concept;...

  • Page 14: Function Of The Eds System

    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 determined by the system leakage capacitances flows in the IT system.

  • Page 15: Block Diagram Eds System

    System description 3.2.1 Block diagram EDS system IT-System L1(L+) L2(L-) W... IRDH575/ EDS... PGH... Key: EDS... Insulation fault evaluator PGH... Insulation fault test device IRDH575 A-ISOMETER® IRDH575 with integrated test current genera- tor. Current source IT system Measuring current transformer Electrical load Insulation fault Protective conductor respectively equipotential bonding...

  • Page 16: Test Cycle

    System description 3.2.2 Test cycle The duration of a test current pulse cycle 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 below, ("Block diagram EDS system"...

  • Page 17: Currents In The Eds System

    System description 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 test current is shown in the diagram below: W... IT-System I(d), I(ds) EDS... IRDH575/ PGH... R F-N R F-V C E-V...

  • Page 18: Requirements For Reliable Insulation Fault Location

    The test current I(ds) for the EDS460/490 is more than 2 mA and less than 50 mA. The test current I(ds) for the EDS461/491 is more than 0.2 mA and less than 5 mA.
  • Page 19 System description Fault curve Safe fault location is possible in the grey-shaded area. If insulation fault location is not possible on a measuring channel, the EDS issues the message "peak". Symmetrical insulation faults downstream of the meas- uring current transformer are not recognized under cer- tain circumstances.
  • Page 20 System description TGH1394en/05.2007...

  • Page 21: Installation And Connection

    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 of who to contact are indi- cated on the delivery documents.

  • Page 22: Notes On Mounting

    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 Danger ! shock.

  • Page 23: Dimension Diagram Eds460/461-D/-L

    Installation and connection 4.3.1 Dimension diagram EDS460/461-D/-L 4.3.2 Dimension digram EDS490/491-D/-L Dimensions in mm TGH1394en/05.2007...

  • Page 24: Connection

    Installation and connection 4.4 Connection 4.4.1 Wiring diagram EDS460/461-D / -L EDS460/461 TGH1394en/05.2007...
  • Page 25 Installation and connection Legend to wiring diagram A1, A2 Supply voltage U (see ordering information), 6 A fuse recommended; two-pole fuses should be used on IT systems. k1, l … Connection of measuring current transformers 1…12. k12, l A, B BMS bus (RS-485 interface with BMS protocol) R, R/T External RESET button (N/O contact)*...

  • Page 26: Wiring Diagram Eds490/491-D / -L

    Installation and connection 4.4.2 Wiring diagram EDS490/491-D / -L EDS490/491 TGH1394en/05.2007...
  • Page 27 Installation and connection Legend to wiring diagram A1, A2 Supply voltage U (see ordering details), 6 A fuse recommended; two-pole fuses should be used on IT systems. k1, l … Connection of measuring current transformers 1…12. k12, l A, B BMS bus (RS-485 interface with BMS protocol) R, R/T External RESET button (N/O contact)*...

  • Page 28: Connection Of W

    Installation and connection 4.4.3 Connection of W…, WR…, WS…-series measuring current transformers EDS460 The terminals 1 and 2 as well as the terminals 3 and 4 are bridged internally. The connections k and l at the EDS... must not be inter- changed.

  • Page 29: Connection Example Eds Standard System With Ftc470Xet

    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.
  • Page 30 Installation and connection TGH1394en/05.2007...

  • Page 31: Commissioning

    Commissioning 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 Before switching on 1.

  • Page 32: Switching On

    1. Connect the supply voltage of all devices connected to the BMS bus. Initially, the "ON" LED flashes on the EDS... and the EDS...-D graphic dis- play 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...

  • Page 33: Operation

    Alarm LED 1 lights up in the event of the following types of device errors: - 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 current transformer circuit (this function can be deactivated).

  • Page 34: Eds

    Alarm LED 1 lights up in the event of the following types of device error: -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).

  • Page 35: Working In Operating Mode

    Device error The EDS... signals alarm or device error: "ALARM 1" LED lights up if the residual current is: > 10 A (EDS460/490) or > 1 A (EDS461/491) or in the event of a CT connection fault. TGH1394en/05.2007...
  • Page 36 Operation "ALARM 2" LED lights up when an insulation fault is located. Assigned common alarm relays switch. An alarm message is being sent to the BMS bus. EDS...-D: An alarm message is shown on the display. An entry is made in the history memory.

  • Page 37: Carrying Out A Test

    Operation EDS...-L: The alarm LED of the affected channel lights or flashes in case of a device error. 6.3.3 Carrying out a test A test serves to check the device function (hardware components) of the EDS. A test can be called in the following ways: press the "TEST"button on the front panel of the EDS..

  • Page 38: Resetting Saved Alarm Messages (Reset)

    Operation TEST 12/12 Insulation fault 50 mA Addr.: 2 Channel: 12 EDS...-L: All alarm LEDs light up. Once the test has been completed, all LEDs must go out again, with the exception 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"...

  • Page 39: Displaying Standard Information

    Line 4: Software version of measurement technique Line 5: Date of the measurement technique software version Line 6: Communication software version Line 7: Date of communication software version Line 8…10: Bender address, homepage Line 11: Exit. Exit standard information. TGH1394en/05.2007...

  • Page 40: Setting The Eds

    Operation 6.4 Setting the EDS...-L EDS...-L has a 7-segment LED display only. It can be operated and set via an EDS…-D or via the following devices: IRDH575 (V1.5 or higher), PRC1470, MK2430 or FTC470XET. Only the BMS bus address can be set directly on the EDS...-L.

  • Page 41: Opening The Main Menu

    Settings can be password protected. When an attempt is made to change settings, the password entry screen ap- pears automatically: Enter password: 0 0 0 For details see "Settings menu 9: Password" on page 56. If you can't remember your password, contact the BENDER Service. TGH1394en/05.2007...

  • Page 42: Menu Overview Diagram

    Operation 6.5.2 Menu overview diagram Exit 1.Alarm/meas.values Exit 1.General 2.History 2.Channel 3.Relay 4.History 5.Language 6.Interface 3.Settings 7.Alarm addresses 8.Clock 9.Password 10.Factory setting 11.Service Exit Exit 1.TEST 4.Control 2.RESET 5. External devices 3.Test communication 6.Info TGH1394en/05.2007...

  • Page 43: Main Menu Functions

    This menu offers various control options, such as TEST, RESET, etc. 5.External Settings on devices externally connected to devices the BMS bus (e.g. EDS460-D/-L, EDS490-D/-L). 6.Info Information on the device. The same display is obtained by pressing the INFO key in the operating mode (refer to "Displaying stand-...

  • Page 44: The Main Menu

    Operation 6.6 The main menu 6.6.1 Menu 1: Alarm/meas. values EDS... displays the following for each measuring channel: Alarm status, test current I(ds), residual current I(d). I(ds) I(dn) 1. 6mA 120mA <100mA 3. Channel disabled Column 1: Channel number 1…12 Column 2: Alarm status: No alarm...
  • 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 the residual current reaches values of this magnitude, reliable insulation fault location becomes impossible.

  • Page 46: Menu 2: History

    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 de- leted in the event of an alarm to create space for the new entry. For de- tails about erasing the entire history memory refer to "chapter 6.6.3.4 Settings menu 4: History".

  • Page 47: Menu 3: Settings

    EDS...-D. 8.Clock Configure the time, date, date format and summer time changeover. 9.Password Changing and activating the password. 10.Factory Resets every setting to its factory setting. setting 11.Service For Bender service staff only. TGH1394en/05.2007...

  • Page 48: Settings Menu 1: General

    Operation 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.Fault memory Faults that only occur temporarily can be saved. After the cause of fault has been eliminated, all alarm messages remain saved until a RESET is carried out.

  • Page 49: Settings Menu 2: Channel

    Operation 4.Type of system 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 individ- ually or for all channels simultaneously). Selecting a measuring channel: 1.
  • Page 50 Please also heed the characteristics for a reliable response on page 71. 2.CT Set the transformer type. W/WR Bender standard measuring current transformers, circu- lar and rectangular W... and WR... series designs. Split-core type WS... series measuring current transform- ers.
  • Page 51 Operation 4.Release delay T(off) This function is only effective when the fault memory is deactivated (see "1.Fault memory" on page 48). If the status that triggered the alarm no longer applies, the EDS... will terminate its alarm once the release delay has expired. Configurable values: 0s, 6s, 12s, 18s, 24s The alarm is terminated when the EDS...
  • Page 52 7.Alarm I(d) If the residual current exceeds > 10 A (EDS460/490) bzw. > 1A (EDS461/ 491), an alarm message is displayed (Alarm 1). This alarm message can be deactivated. Alarm when the residual current response value is ex- ceeded.

  • Page 53: Settings Menu 3: Relay

    Operation 6.6.3.3 Settings menu 3: Relay You make the settings for the common alarm relays K1 and K2 in this menu (either individually or common to all alarm relays). Selecting a re- 1. Use the " " key to go to the relay channel setting. Press "↵". 2.

  • Page 54: Settings Menu 4: History

    Operation 3.Device error Relay switches in the event of a device error. Relay does not switch in the event of a device error. 4.Ext. alarm Relay switches in the event of an external alarm.* Relay does not switch in the event of an external alarm.* * Alarm on an external device the address of which has been set to "on"...

  • Page 55: Settings Menu 8: Clock

    Operation pear. The address of this RCMS is set to "on" automatically. Exit 1.Address: 2.Address: 3.Address: Messages of this device will be displayed. 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.

  • Page 56: Settings Menu 9: Password

    6.6.3.10 Settings menu 10: Factory settings Resets every setting to its factory setting. Factory settings are given in parentheses "( )*" in the technical data. 6.6.3.11 Settings menu 11: Service This menu is intended for Bender service employees only. TGH1394en/05.2007...

  • Page 57: Menu 4: Control

    Operation 6.6.4 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 (see "Resetting saved alarm mes- sages (RESET)" on page 38") 3.Test Test communication between the EDS... and communication other BMS equipment.
  • Page 58 Operation Example: Alarm "insulation fault" on channel 1. 1. Select channel 1. Channel disabled Exit 1.Chan.: 2. Once the"↵" key is pressed, the alarm is transmitted on the BMS bus. This is indicated by the alarm display Insulation fault Exit 1.Chan.: TGH1394en/05.2007...

  • Page 59: Menu 5: External Devices

    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 keys to set the address of the external device and confirm with the "↵"...
  • Page 60 "Own address" will appear. 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 the first line. 2:EDS460-L Exit 1.Alarm/meas.values 2.Settings TGH1394en/05.2007...
  • Page 61 Operation The following menu items are displayed for the EDS...-L: Menu item Function Page Exit Exit menu mode 1.Alarm/meas. Displays the following for each measuring values channel: Alarm status, test current I(ds), residual cur- rent I(d) 2.Settings Settings for EDS... are made here. 3.Control This menu offers various control options, such as TEST, RESET.

  • Page 62: Menu 6: Info

    4.Factory Resets every setting to its factory setting. setting 5.Service For Bender service staff only. 6.6.6 Menu 6: Info This menu displays standard information on the EDS...-D (for details re- fer to "Displaying standard information" on page 39).

  • Page 63: Tests And Service

    Observe the applicable national and international standards which re- quire 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/05.2007...

  • Page 64: Troubleshooting

    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 infor- mation to hand if you should need to contact us for assistance by telephone. Error Description code Measurement technique: Fault parameter memory (EEP- ROM/FLASH) Measurement technique: Fault data memory (RAM)

  • Page 65: Device Error Display (Channel-Related)

    Tests and service 7.4.2 Device error display (channel-related) LED "Alarm 1" lights up. The common alarm relay switches. The EDS...- D displays: Fault Device error Addr.: 2 Channel: 4 Line 1: FAULT, Alarm 1 of 1 pending alarm Line 2: Alarm status and alarm text No alarm Alarm...

  • Page 66: Ct Connection Fault Display (Channel-Related)

    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 displays: Fault CT fault Addr.: 2 Channel: 4 The "CT fault" is displayed in the same way as "Display device error" on page 64.

  • Page 67: Data

    8. Data 8.1 Standards Observe the applicable national and international standards. The EDS... series meets the requirements of the following equipment standards: IEC 60364-4-41:1992, modified: Erection of power installations with nominal voltages up to 1000 V - Part 4: Protection for safety; Chapter 41: Protection against electric shock;...

  • Page 68: Technical Data Eds460/490 / Eds461/491

    Nominal system voltage U ..............refer to IRDH575, PGH47x... (EDS460, EDS490) ...................... AC 20…276 V, DC 20…308 V (EDS461, EDS491) External measuring current transformer type ..........W…, WR…, WS… (EDS460, EDS490) ........................W…/8000, WS…/8000 (EDS461, EDS491) CT monitoring .............................. on/off (on)* Load ..................................10 Ω...
  • Page 69 ((shielded, shield connected to l conductor at one end, not earthed) ..........J-Y(ST)Y min. 2x0.8 Switching elements Number .................two relays, each with one changeover contact (EDS460) ........ two relays, each with one changeover contact; 12 relays, each with one N/O contact (EDS490) Operating principle ................
  • Page 70 Degree of protection DIN EN 60529, terminals......................IP20 Enclosure material............................. polycarbonate Flammability class..............................UL94V-0 Screw fixing................................2 x M4 DIN rail mounting acc. to..........................IEC 60715 Weight..............................< 360 g (EDS460) ................................< 510 g (EDS490) ( )* factory setting TGH1394en/05.2007...

  • Page 71: Response Sensitivity Characteristics

    For application in AC and 3AC systems, the response value at the EDS... has to be set as follows: Test current EDS response 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"...
  • Page 72 Data The following characteristics are an easy way of determining a suitable response value for the insulation monitoring device and the EDS..Pro- ceed as follows: 1. Select the characteristics (3 AC, AC, DC) that are appropriate for your type of distribution system.

  • Page 73: Characteristic Curves Eds460/490

    Data 8.4.1 Characteristic curves EDS460/490 8.4.1.1 Characteristics for 3AC systems 3AC 230 V 10mA Ce [μF] 3AC 400 V 10mA Ce [μF] TGH1394en/05.2007...

  • Page 74: Characteristics For Ac Systems

    Data 8.4.1.2 Characteristics for AC systems AC 42 V 10mA Ce [μF] AC 110 V 10mA Ce [μF] TGH1394en/05.2007...
  • Page 75 Data AC 230 V 10mA Ce [μF] AC 400 V 10mA Ce [μF] TGH1394en/05.2007...
  • Page 76 Data 8.4.1.3 Characteristics for DC systems DC 24 V 10mA Ce [μF] DC 60 V 10mA Ce [μF] TGH1394en/05.2007...
  • Page 77 Data DC 110 V 10mA Ce [μF] DC 230 V 10mA Ce [μF] TGH1394en/05.2007...
  • Page 78 Data 8.4.2 Characteristic curves EDS461/491 AC 230 V 0,2mA 0,5mA 1,0mA Ce [μF] DC 24 V 0,2mA 0,5mA Ce [μF] TGH1394en/05.2007...
  • Page 79 Data 8.5 Ordering information Insulation fault evaluators Response Supply voltage U Type Art. No. value EDS460-D-1 DC 16…94 V 2…10 mA B 9108 0001 AC 42…460 Hz 16…72 V EDS460-D-2 AC/DC 70…276 V, 2…10 mA B 9108 0002 AC 42…460 Hz EDS460-L-1 DC 16…94 V...
  • Page 80 Data Response Supply voltage U Type Art. No. value EDS490-D-1 DC 16…94 V 2…10 mA B 9108 0009 AC 42…460 Hz 16…72 V EDS490-D-2 AC/DC 70…276 V, 2…10 mA B 9108 0010 AC 42…460 Hz EDS490-L-1 DC 16…94 V 2…10 mA B 9108 0011 AC 42…460 Hz 16…72 V...
  • Page 81 Data Accessories Supply voltage U Type Art. No. DI-1 (RS-485 repeater) DC 10…30 V B 9501 2015 DI-2 (interface converter DC 10…30 V B 9501 2022 RS-485/RS-232) AN471 (power supply unit for AC 230 V 50/60 Hz/ B 924 189 DI-1 or DI-2) AC, DC 20 V Snap-on mounting W20…/35…...
  • Page 82 Data Measuring current transformers for EDS460/490 Bender measuring current transformers Inside Type of Type Art. No. diameter/mm construction circular-type B 9808 0003 circular-type B 9808 0010 circular-type B 9808 0018 W120 circular-type B 9808 0028 W210 circular-type B 9808 0034...
  • Page 83 Data Alternative measuring current transformers from the Bender range Inside Type of Type Art. No. diameter/mm construction W10/600 circular-type B 911 761 W0-S15 circular-type B 911 753 W1-S35 circular-type B 911 731 W2-S70 circular-type B 911 732 W3-S105 circular-type B 911 733...
  • Page 84 B 9808 0027 WS20x30-8000 20 x 30 split-core B 9808 0602 WS50x80-8000 50 x 80 split-core B 9808 0604 Alternative measuring current transformers from the Bender range Inside Type of Type Art. No. diameter/mm construction W10/8000 circular-type B 911 759...
  • Page 85 INDEX Fault memory 48 ALARM 35 fuses 21 Alarm status 36 Areas 13 Guarantee 12 Bender service 56 History memory 46 bus address 54 Intended use 9 Checking the device function 37 Commissioning 31 connection example 29 Language 54 Control 57...
  • Page 86 Password 56 peak 66 Personnel 10 rated frequency 48 Relay mode of operation 53 release delay 51 RESET 38 Residual current 44 response delay 50 Service 63 shielded conductors 29 standard information 39 Standards 63 Summer time 55 switching on 31 System components 7 Test communication 57 test function 63...
  • Page 88 Dipl.-Ing. W. Bender GmbH & Co.KG Londorfer Str. 65 • 35305 Grünberg • Germany Postfach 1161 • 35301 Grünberg • 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...

This manual is also suitable for:

Eds490Eds461Eds491

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