Bender ISOSCAN W Series Manual
Bender ISOSCAN W Series Manual

Bender ISOSCAN W Series Manual

Insulation fault locator to locate insulation faults in ungrounded dc, ac and three-phase power supplies
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ISOSCAN® EDS440 and EDS441
Insulation fault locator to locate insulation faults
in ungrounded DC, AC and three-phase power supplies
EDS44x_D00201_10_M_XXEN/11.2023

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Summary of Contents for Bender ISOSCAN W Series

  • Page 1 ISOSCAN® EDS440 and EDS441 Insulation fault locator to locate insulation faults in ungrounded DC, AC and three-phase power supplies EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 2 EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 3: Table Of Contents

    Indication of important instructions and information...............7 Signs and symbols............................7 Service and Support............................7 Training courses and seminars........................8 Delivery conditions............................8 Inspection, transport and storage......................8 Warranty and liability.............................8 Disposal of Bender devices..........................9 1.10 Safety..................................9 Function......................10 Intended use..............................10 Features................................10 2.2.1 Areas of application.............................
  • Page 4 Commissioning....................38 Requirements for reliable insulation fault location................38 Before switching on............................. 38 Switching on..............................39 Steps for commissioning ISOMETER® and EDS.................. 39 Periodic verification............................40 Device communication..................41 RS-485 interface............................. 41 Bender Sensor bus (BS bus)........................41 Modbus RTU..............................42 Operation......................43 EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 5 ISOSCAN® EDS440 and EDS441 Reading out and setting the BS address....................43 8.1.1 Reading out a BS address.......................... 43 8.1.2 Setting a BS address............................ 44 8.1.3 Extended address range (offset = 80)....................46 Display and change of transmission protocols..................47 8.2.1 Displaying the current transmission protocol..................47 8.2.2 Changing the transmission protocol.....................
  • Page 6 Table of contents 12.2 Standards and certifications........................79 12.3 Ordering data..............................80 12.3.1 Insulation fault locators..........................80 12.3.2 Accessories...............................80 12.3.3 Measuring current transformers......................81 12.4 Change history............................... 83 EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 7: General Information

    Protect from dust Temperature range Recycling RoHS directives Service and Support Information and contact details about customer service, repair service or field service for Bender devices are available on the following website: Fast assistance | Bender GmbH & Co. KG. EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 8: Training Courses And Seminars

    Regular face-to-face or online seminars for customers and other interested parties: www.bender.de > know-how > seminars. Delivery conditions The conditions of sale and delivery set out by Bender GmbH & Co. KG apply. These can be obtained in printed or electronic format. The following applies to software products: ‘Software clause in respect of the licensing of standard software as part of deliveries,...
  • Page 9: Disposal Of Bender Devices

    ISOSCAN® EDS440 and EDS441 Disposal of Bender devices Abide by the national regulations and laws governing the disposal of this device. For more information on the disposal of Bender devices, refer to www.bender.de > service & support. 1.10 Safety If the device is used outside the Federal Republic of Germany, the applicable local standards and regulations must be complied with.
  • Page 10: Function

    Function Function Intended use The insulation fault locators ISOSCAN® EDS440 and EDS441 are used to locate insulation faults in unearthed DC, AC and three-phase power supply systems (IT systems). Depending on the locating current injector, AC and three-phase systems can be monitored within the range from AC 42 to 1000 V; DC systems, within the range from DC 24 to 1500 V.
  • Page 11: System Variants

    ISOSCAN® EDS440 and EDS441 2.2.3 System variants The devices ISOSCAN® EDS440 and EDS441 differ depending on their response sensitivity. EDS440 is suitable for main circuits. EDS441 can be used in control circuits and in circuits in medical locations. -LAB-4 -LAF-4 EDS440 Channel LED No channel LED...
  • Page 12: Compatibility

    Function 2.2.5 Compatibility Legende BS bus Full compatibility, communication via BS bus BB bus Full compatibility, communication via BB bus ◊ Full compatibility, no communication possible Limited compatibility + communication via BS bus Limited display of messages on the device. Limited parameterisation via the device possible.
  • Page 13: Operating Principle Of The Eds System

    ISOSCAN® EDS440 and EDS441 Device Type EDS440-L /S EDS441-L /S EDS441-LAB EDS440-LAF CTUB102 Type B ◊ CTAF…SET Type A ◊ Other Bender devices Device EDS440-L EDS440-S EDS441-L EDS441-S EDS441-LAB EDS440-LAF COM460 COM465 IOM441-S CP700 MK2430 IRDH575 iso685-…-p BS bus BS bus...
  • Page 14 Locating pulse pattern The length of the pulse and pause intervals depends on the system conditions (R For further information, refer to Bender Main Catalogue, chapter “Equipment for insulation fault location” at https://www.bender.de/en/service-support/download-area/. Measured value depending on the system leakage capacitance The influence of system leakage capacitances may cause false indication of the locating current.
  • Page 15: Schematic Diagram Of An Eds System

    ISOSCAN® EDS440 and EDS441 Schematic diagram of an EDS system L1/+ L3/- A1/+ A2/- A1/+ A2/- L1/+ L3/- KE E iso685 ISOMETER ® EDS440 ΔL Δn ISOSCAN ® 13 14 23 24 11 12 14 21 22 24 l1 l2 A B l1 l2 l3 A B EDS44x Insulation fault locator...
  • Page 16: Device Overview

    Device overview Device overview External dimensions of EDS44… and IOM441-S 48,5 71,7 62,9 66,9 Figure 3-1: External dimensions in mm EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 17: View And Connections Of Eds44

    ISOSCAN® EDS440 and EDS441 View and connections of EDS44…-L A1/+ A2/- X2 (k1-12 | l1-12) Connection Connection A1/+ A2/- supply voltage U current transformer 9 10 11 12 l1 l2 l3 l4 l5 l6 l7 l8 l9 l10 l11 l12 k1 k2 k3 k4 k5 k6 k7 k8 k9 k10 k11 k12 EDS440 ISOSCAN®...
  • Page 18: View And Connections Of Eds44

    Device overview View and connections of EDS44…-S X2 (k1-12 | l1-12) Connection current transformer 9 10 11 12 l1 l2 l3 l4 l5 l6 l7 l8 l9 l10 l11 l12 k1 k2 k3 k4 k5 k6 k7 k8 k9 k10 k11 k12 EDS440 ISOSCAN®...
  • Page 19: Mounting

    ISOSCAN® EDS440 and EDS441 Mounting General information The devices are suitable for the following installation methods: • Distribution panels according to DIN 43871 • Quick DIN rail mounting according to IEC 60715 • Screw mounting using M4 screws For UL applications: •...
  • Page 20: Screw Mounting

    Mounting Screw mounting Insert the mounting clips as illustrated below. Drill the mounting holes for the M4 thread according to the drilling template. Fix the EDS using two M4 screws. (4.22) (3.94) 36 (1.42) EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 21: Din Rail Mounting

    Connection of the BB bus The BB bus is an interface that enables Bender devices to communicate with each other. The BB bus can be used with an ISOMETER® and a maximum of two EDS44… or one EDS44…- S and one IOM44-S. For this purpose, the BB bus is installed at the rear side of both devices, and afterwards both devices are mounted next to each other on the DIN rail.
  • Page 22: Connection To The Voltage Supply

    Mounting Connection to the voltage supply L1/+ L2/– 9 10 11 12 A1 A2 A1/+ A2/– U s = AC/DC 24...240 V Voltage supply back-up fuse If the device is supplied via an external power supply unit, the back-up fuse F at connection “A1/+ back-up A2/−”...
  • Page 23: Connection Of The Relays

    ISOSCAN® EDS440 and EDS441 Connection of the relays 13 14 23 24 23 24 13 14 Alarm relay 1 n/o contact Alarm relay 2 n/o contact BS bus termination 13 14 23 24 Activating a terminating resistor to define the first and the last device in the bus system. All devices between the first and the last device First and last device in a bus in the bus...
  • Page 24: Connection Of The X2 Interface (K1-12/L1-12)

    Mounting 4.10 Connection of the X2 interface (k1-12/l1-12) Measuring current transformer 1 Measuring current transformer 2 Measuring current transformer 3 2 3 4 5 9 10 11 12 A1 A2 Measuring current transformer 4 … … … l12 Measuring current transformer 12 l 10 l 11 l 12...
  • Page 25 ISOSCAN® EDS440 and EDS441 Live conductors and measuring current transformers Ensure that all live conductors are routed through the measuring current transformer. Do not route any existing PE conductors or shields of shielded cables through the measuring current transformer! Standard measuring current transformers are not suitable for the EDS44… system and must not be used. An accurate measurement result can only be obtained when these instructions are observed.
  • Page 26: Connection Of Measuring Current Transformer Ctbc

    Mounting 4.10.2 Connection of measuring current transformer CTBC… to EDS441-LAB-4 CTBC… CTUB102 S1(k) S2(l) 24V GND 50 mm 2.5 m CTXS… 10 m 250 mm 24V GND EDS441-LAB STEP-PS power supply Locating current The EDS441-LAB-4 operates exclusively with a locating current of max. 25 mA. Therefore, selecting the current range >500 mA on the current transformer is not suitable for measuring locating currents <25 mA.
  • Page 27: Connection Of Ctaf

    ISOSCAN® EDS440 and EDS441 4.10.3 Connection of CTAF…SET series measuring current transformers to EDS440- LAF-4 For insulation fault location, the measuring current transformers of the CTAF…SET series are used. Typ A Locating current The EDS440-LAF-4 operates exclusively with a locating current >10 mA. EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 28: Connection To A 3(N)Ac System

    Mounting 4.11 Connection to a 3(N)AC system A1/+ A2/- L1/+ L3/- A1/+ A2/- A1/+ A2/- A1/+ A2/- L1/+ L3/- KE E iso685 ISOMETER ® EDS440 ΔL Δn ISOSCAN ® 13 14 23 24 11 12 14 21 22 24 l1 l2 A B l1 l2 l3 A B iso685-D-P EDS44…-L/-S...
  • Page 29: Connection To An Ac System

    ISOSCAN® EDS440 and EDS441 4.12 Connection to an AC system A1/+ A2/- L1/+ L3/- A1/+ A2/- A1/+ A2/- A1/+ A2/- L1/+ L3/- KE E iso685 ISOMETER ® EDS440 ΔL Δn ISOSCAN ® 13 14 23 24 11 12 14 21 22 24 l1 l2 A B l1 l2 l3 A B iso685-D-P...
  • Page 30: Connection To A Dc System

    Mounting 4.13 Connection to a DC system L– A1/+ A2/- L1/+ L3/- A1/+ A2/- A1/+ A2/- A1/+ A2/- L1/+ L3/- KE E iso685 ISOMETER ® EDS440 ΔL Δn ISOSCAN ® 13 14 23 24 11 12 14 21 22 24 l1 l2 A B l1 l2 l3 A B iso685-D-P...
  • Page 31: Connection Example: Isometer® Iso685-D-P, Eds440-S, Iom441-S And Eds440-L

    ISOSCAN® EDS440 and EDS441 4.14 Connection example: ISOMETER® iso685-D-P, EDS440-S, IOM441-S and EDS440-L A1/+ A2/- L1/+ L3/- A1/+ A2/- A1/+ A2/- L1/+ L3/- KE E A1/+ A2/- iso685 ISOMETER ® EDS440 EDS440 IOM441 ΔL Δn ΔL Δn ISOSCAN ® ISOSCAN ®...
  • Page 32: Display And Alarm Messages

    Display and alarm messages Display and alarm messages Display elements EDS44…-S Status LED Flashes: Starting process; hourly transformer connection test Lights up: operational Operating and display elements EDS44…-L TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆...
  • Page 33: Standard Display In Operating Mode

    ISOSCAN® EDS440 and EDS441 Channel LEDs 1 to 12 CHANNELS / Lights up: insulation fault on the respective measuring channel or residual current alarm ADDR. Flashes slowly (1 Hz): connection fault of the measuring current transformer Flashes quickly (2 Hz): interference during insulation fault location Addr.
  • Page 34: Alarm Messages

    Display and alarm messages TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ Alarm messages The EDS44…-L indicates the alarm messages on its control panel. The EDS44…-S indicates the alarm messages on the ISOMETER®. Possible causes of an alarm message are: •...
  • Page 35: Residual Current Exceeded (Alarm I Δn )

    TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ In case of a device error, an error code is additionally displayed on the ISOMETER®. Please have it at hand for the Bender service. EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 36: Device Error, Bb Bus Error

    Display and alarm messages 5.4.4 Device error, BB bus error The “SERVICE” LED and individual channel LEDs light up if there is a BB bus error. TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆...
  • Page 37: Device Error, Failure Bs Bus Master

    ISOSCAN® EDS440 and EDS441 5.4.5 Device error, failure BS bus master Service and COM LED light up simultaneously and continuously. TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ 5.4.6 Error message In case of an error message, the LED of the respective channel flashes. An error can, for example, be caused by low-frequency residual currents, external magnetic fields, etc.
  • Page 38: Commissioning

    Commissioning Commissioning WARNING Make sure that the basic settings meet the requirements of the IT system. CAUTION Make sure that the operating voltage is correct! Prior to insulation and voltage tests, the EDS44… must be disconnected from the IT system for the duration of the test.
  • Page 39: Switching On

    ISOSCAN® EDS440 and EDS441 • When mounting the measuring current transformers any magnetic fields nearby that could cause interference are taken into account. • When the addresses of the BS bus nodes were set, no address was assigned twice. The ISOMETER® with integrated locating current injector (e.g.
  • Page 40: Periodic Verification

    Commissioning Commissioning ISOMETER® Commissioning EDS Commissioning ISOMETER® with EDS 6 Test function with suitable resistor The EDS is fully functional and Activate measuring channels in the from system to earth, size: 50 % of correctly connected. ISOMETER® menu: the alarm 2 response value EDS >...
  • Page 41: Device Communication

    Bender Sensor bus (BS bus) The BS bus serves to add further Bender measuring devices (e.g. ISOMETER®). It is an RS-485 interface with a protocol especially developed for Bender devices. On the BS bus the transmission of alarm messages takes priority over the transmission of all other messages.
  • Page 42: Modbus Rtu

    With a write command, data can be written into a register address. The register addresses of the individual measured values and parameters can be found in the manual EDS440/ EDS441 - Modbus settings at www.bender-uk.com/service-support/downloads/. EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 43: Operation

    ISOSCAN® EDS440 and EDS441 Operation Reading out and setting the BS address If the BS address is set to 0, the device goes into the trigger mode “auto”. See “Trigger function”, page 51. 8.1.1 Reading out a BS address TEST CHANNELS / ADDR.
  • Page 44: Setting A Bs Address

    Operation Address: 82 TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ 8.1.2 Setting a BS address Activate address input TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆...
  • Page 45 ISOSCAN® EDS440 and EDS441 Enter target value TEST CHANNELS / ADDR. Example: COM/ADDR. Addr. 27 RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ Exit address input TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆...
  • Page 46: Extended Address Range (Offset = 80)

    Operation 8.1.3 Extended address range (offset = 80) Activate address input TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ Change address range TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM 10 s ∆...
  • Page 47: Display And Change Of Transmission Protocols

    ISOSCAN® EDS440 and EDS441 Exit address input TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ For addresses where the ones value is 0 (0, 10, 20, ...), the LEDs of the ones values do not flash. Display and change of transmission protocols 8.2.1 Displaying the current transmission protocol...
  • Page 48: Changing The Transmission Protocol

    Operation 8.2.2 Changing the transmission protocol TEST CHANNELS / ADDR. COM/ADDR. RESET SERVICE Addr. Mode ALARM ∆ ADDR. >3s ALARM ∆ The LEDs run twice in the order of the current transmission protocol. The LEDs run twice in the order of the new transmission protocol. The LEDs switch to operating mode.
  • Page 49 ISOSCAN® EDS440 and EDS441 EDS44…-L and -S: Press TEST button on the ISOMETER®. The EDS44…-L responds as follows: LEDs “COM/ADDR.” and “SERVICE” light up. All alarm relays switch (function can be deactivated). An alarm message is sent on the BS bus. An entry with the suffix “TEST”...
  • Page 50: Settings

    Settings Settings EDS settings on the ISOMETER® Settings of the EDS are made via the device menu of the ISOMETER®. For a detailed menu description, refer to the manual of the ISOMETER®. 9.1.1 Locating current injector settings 9.1.1.1 Mode Three different start and stop conditions for insulation fault location can be set on the ISOMETER®: •...
  • Page 51: Trigger Function

    ISOSCAN® EDS440 and EDS441 9.1.2 Trigger function The locating current pulse of the ISOMETER® is synchronised with the measurement technology in the EDS. The EDS is informed when to expect a locating current pulse. This allows a more reliable detection of the locating current pulse in the event of disturbances.
  • Page 52: Digital Outputs Of The Eds44

    Settings 9.2.1.2 Digital input mode The operating mode for the digital input can be set to the following values: • Active high An event is carried out on the rising edge of the digital input (low to high). Reaction Reaction Impulse on Impulse o <...
  • Page 53 ISOSCAN® EDS440 and EDS441 9.2.2.2 Operating mode of the relays The relay mode can be adapted to the application: • n/c Normally closed - n/c operation of contacts 13-14 / 23-24 (The alarm relay is energised in normal operation.) • n/o Normally opened - n/o operation of contacts 13-14 / 23-24 (The alarm relay is de-energised in normal operation.) 9.2.2.3...
  • Page 54: Factory Settings

    Settings Common alarm The status of the output changes on the occurrence of any alarms and fault messages alarm, I alarm, connection and device error). Insulation fault The buzzer signals active insulation fault location. location active (for buzzer only) BS bus malfunction Message in case of a faulty BS bus connection (not for buzzer) •...
  • Page 55 ISOSCAN® EDS440 and EDS441 Relay K2 function 3 Channel relays 1 to 12 (optional extension with IOM441-S) Channel relays K1...12 test Channel relays K1...12 operating principle Channel relays K1...12 function 1 alarm Channel relays K1...12 function 2 alarm Channel relays K1...12 function 3 Buzzer Buzzer test Buzzer function 1...
  • Page 56: Alarm Messages

    • Press the TEST button • Switch the supply voltage off and on • Read out error code on the ISOMETER® • Contact Bender service See “Connection fault of the current transformers”, page 35. • “SERVICE” LED Connection fault of the current •...
  • Page 57: Diagrams

    ISOSCAN® EDS440 and EDS441 Diagrams 11.1 Response sensitivity curves System type, system voltage, system frequency, leakage capacitance and locating current influence the response sensitivity of the EDS system. Locating current The locating current level can bet set on the ISOMETER®. Owing to the system type, a reduced locating current occurs in AC systems.
  • Page 58: Characteristic Curves Eds440 For 3Ac Systems

    Diagrams 11.1.1 Characteristic curves EDS440 for 3AC systems 3AC 230 V 2mA 3AC230V [IL=10mA] 5mA 3AC230V [IL=10mA] 10mA 3AC230V [IL=25mA] 1000 Ce [µF] 3AC 400 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 59 ISOSCAN® EDS440 and EDS441 3AC 500V 1000 Ce [µF] 3AC 690V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 60: Characteristic Curves Eds440 For Ac Systems

    Diagrams 11.1.2 Characteristic curves EDS440 for AC systems AC 110 V 2mA AC110V [IL=10mA] 5mA AC110V [IL=10mA] 10mA AC110V [IL=25mA] 1000 Ce [µF] AC 230V 2mA AC230V [IL=10mA] 5mA AC230V [IL=10mA] 10mA AC230V [IL=25mA] 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 61: Characteristic Curve Of Eds440 For Low Voltages In Dc, Ac And 3Nac Systems

    11.1.3 Characteristic curve of EDS440 for low voltages in DC, AC and 3NAC systems AC, 3NAC, DC ≤ 42 2mA DC ≤ 42 V [IL=10mA] 1000 Ce [µF] For higher response values and customer-specific adaptations please contact your Bender support. See “Service and Support”, page 7. EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 62: Characteristic Curves Eds440 For Dc Systems

    Diagrams 11.1.4 Characteristic curves EDS440 for DC systems DC 60 V 2mA DC60V [IL=10mA] 5mA DC60V [IL=10mA] 10mA DC60V [IL=25mA] 1000 Ce [µF] DC 110 V 2mA DC110V [IL=10mA] 5mA DC110V [IL=10mA] 10mA DC110V [IL=25mA] 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 63 ISOSCAN® EDS440 and EDS441 DC 220 V 2mA DC220V [IL=10mA] 5mA DC220V [IL=10mA] 10mA DC220V [IL=25mA] 1000 Ce [µF] DC 300 V 2mA DC300V [IL=10mA] 5mA DC300V [IL=10mA] 10mA DC300V [IL=25mA] 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 64 Diagrams DC 600 V 2mA DC600V [IL=10mA] 5mA DC600V [IL=10mA] 10mA DC600V [IL=25mA] 1000 Ce [µF] DC 1000 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 65: Characteristic Curves Eds441 For Ac Systems

    ISOSCAN® EDS440 and EDS441 11.1.5 Characteristic curves EDS441 for AC systems AC 42 V 1000 Ce [µF] AC 110 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 66: Characteristic Curves Eds441 For Dc Systems

    Diagrams AC 230 V 1200 1000 1000 Ce [µF] 11.1.6 Characteristic curves EDS441 for DC systems DC 24 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 67 ISOSCAN® EDS440 and EDS441 DC 60 V 1000 Ce [µF] DC 110 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 68: Characteristic Curves Of Eds441-Lab For Ac Systems

    Diagrams DC 220 V 1200 1000 1000 Ce [µF] 11.1.7 Characteristic curves of EDS441-LAB for AC systems AC 42 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 69: Characteristic Curves Eds441-Lab For Dc Systems

    ISOSCAN® EDS440 and EDS441 AC 230 V 1000 Ce [µF] 11.1.8 Characteristic curves EDS441-LAB for DC systems DC 48 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 70 Diagrams DC 110 V 1000 Ce [µF] DC 220 V 1000 Ce [µF] EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 71: Response Values Of Eds440-Laf For Dc Systems

    ISOSCAN® EDS440 and EDS441 11.1.9 Response values of EDS440-LAF for DC systems System leakage capacitance of max. 100 F Nominal voltage Max. insulation fault R DC 60 V DC 110 V DC 220 V 10 k DC 300 V 15 k DC 600 V 30 k DC 1000 V...
  • Page 72: Fault Curve Eds440 And Eds441

    Diagrams 11.2 Fault curve EDS440 and EDS441 An insulation fault location outside the grey area causes an error message. The EDS44…-L indicates the error message via LEDs (see “Device error, failure BS bus master”, page 37). The EDS44…-S indicates the error message via the ISOMETER®. Grey: permissible area for Insulation fault location EDS440 Residual current [A]...
  • Page 73: Technical Data

    ISOSCAN® EDS440 and EDS441 Technical data 12.1 Technical data ISOSCAN® EDS440 and EDS441 Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Definitions Supply circuit (IC1) A1, A2 Output circuit 1 (IC2) 13, 14 Output circuit 2 (IC3) 23, 24 Control circuit (IC4) (A1, A2), (13, 14) - (23, 24) - (X1, X3) Rated voltage 1000 V...
  • Page 74 Technical data Supply voltage Supply voltage range U EDS44...-L (…-LAB, …-LAF) AC/DC 24…240 V Supply voltage range U EDS44...-S DC 24 V Tolerance of U −20…+15% Frequency range of U DC, 50…400 Hz 1) 2) Tolerance: −5…+15 % Power consumption, typically 50 Hz (400 Hz) EDS44...-L ≤4 W / 7 VA (≤4 W, 28 VA) Power consumption, typically (DC via BB bus) EDS44...-S ≤1 W...
  • Page 75 ISOSCAN® EDS440 and EDS441 External measuring current transformers for EDS440-LAF CTAF… Load EDS440 Load EDS441, EDS440-LAF 1.5 k Rated insulation voltage, measuring current transformers 800 V Connection of EDS measuring current transformers Single wire ≥0.75 mm² 0…1 m Single wire, twisted ≥0.75 mm² 1…10 m Shielded cable ≥0.5 mm²...
  • Page 76 Technical data Digital inputs Number Operating mode, adjustable active high, active low Function none, test, reset Voltage level low DC −5…5 V, high DC 11…32 V Digital current output Number Function none, alarm I , alarm n, device error, current transformer connection fault, common alarm, BS bus malfunction Current 0 mA DC inactive, 20 mA DC active...
  • Page 77 ISOSCAN® EDS440 and EDS441 Function of contact 23, 24 none, alarm I , alarm I , device error, CT connection fault, common alarm, BS bus malfunction Electrical endurance under rated 30,000 h operating conditions Rated operational voltage AC 250 V Rated operational current Rated insulation voltage 4 kV...
  • Page 78 Technical data Connection Screw-type terminals Tightening torque 0.5…0.6 Nm (5…7 lb-in) Conductor sizes AWG 24-12 Stripping length 7 mm Rigid/flexible 0.2…2.5 mm² Flexible with ferrule, with/without plastic sleeve 0.25…2.5 mm² Multiple conductor, rigid 0.2…1 mm² Multiple conductor, flexible 0.2…1.5 mm² Multiple conductor, flexible with ferrule without plastic sleeve 0.25…1 mm²...
  • Page 79: Standards And Certifications

    ISOSCAN® EDS440 and EDS441 Screw fixing 2 × M4 with mounting clip Enclosure material polycarbonate Flammability class UL 94 V-0 Dimensions in mm (W × H × D) 72 × 93 × 63 Weight EDS44…-S approx. 122 g EDS44…-L, …-LAB, …-LAF approx.
  • Page 80: Ordering Data

    Technical data EU declaration of conformity Hereby, Bender GmbH & Co. KG declares that the device covered by the Radio Directive complies with Directive 2014/53/EU. The full text of the EU Declaration of Conformity is available at the following Internet address: www.bender.de/fileadmin/content/Products/CE/CEKO_EDS44x.pdf...
  • Page 81: Measuring Current Transformers

    B98110007 CTAC60 ø60 circular B98110017 CTAC120 ø120 circular B98110019 CTAC120 ø210 circular B98110020 Alternative measuring current transformers from the Bender program Type Dimensions / internal diameter Design type Art. no. in mm CTAS50 ø50 split-core B98110009 CTAS80 ø80 split-core B98110010 CTAS120 ø120...
  • Page 82 Internal diameter in mm Design type Art. no. CTAC20/01 ø20 circular B98110006 CTAC35/01 ø35 circular B98110008 Alternative measuring current transformers from the Bender program Type Dimensions / internal diameter Design type Art. no. in mm CTAS50/01 ø50 split-core B98110012 CTAS80/01 ø80...
  • Page 83: Change History

    Art. no. in mm WS50x80/8000 50 × 80 split-core B911757 W10/8000-6 ø10 circular, 6-fold B911900 Measuring current transformers for EDS441-LAB Bender measuring current transformers Type Internal diameter in mm Design type Art. no. CTUB102-CTBC20P ø20 circular B78120021 CTUB102-CTBC35P ø35 circular...
  • Page 84 Technical data Date Version Software version Changes 11.2023 – – – Editorial revision Integration of EMC requirements of Class A devices in accordance with the VDE wording Diagrams: Characteristic curves for systems < 42 V removed; Characteristic curve for low voltages added. Transfer to the editorial system incl.
  • Page 85 ISOSCAN® EDS440 and EDS441 EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 86 Technical data EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 87 ISOSCAN® EDS440 and EDS441 EDS44x_D00201_10_M_XXEN/11.2023...
  • Page 88 Alle Rechte vorbehalten. 35305 Grünberg Nachdruck und Vervielfältigung nur mit Germany Genehmigung des Herausgebers. © Bender GmbH & Co. KG, Germany Subject to change! The specified Tel.: +49 6401 807-0 All rights reserved. standards take into account the edition info@bender.de Reprinting and duplicating only with valid until 11.2023 unless otherwise...

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