e-eberle EOR-3DS Earth Fault and Short Circuit Indicator

Product Information

This product is an Earth Fault and Short Circuit Indicator manufactured by A. Eberle GmbH & Co. KG. The model number of this indicator is EOR-3DS. For more detailed operating instructions, please visit the website www.a-eberle.de.

Contact Information:

• Telephone: +49 (0) 911 / 62 81 08 0
• Telefax: +49 (0) 911 / 62 81 08 99
• Email: info@a-eberle.de
• Website: www.a-eberle.de

Product Usage Instructions

Installation

1. Follow the installation instructions provided by the manufacturer.

Operation / Display

• Always keep the operating instructions with the unit.
• Ensure that the device is never operated in a damaged or compromised condition.
• Only allow specialized personnel to operate the unit.
• Connect the device according to the manufacturer’s installation instructions.
• Do not operate the device beyond its stated ratings.
• Avoid installing or operating the device in environments where explosive gases, dust, or vapors may be present.
• Ensure that protective covers are always in place and functional.
• Observe the five safety regulations according to DIN VDE 0105.
• Clean the appliance only with commercially available detergents.

Please note that these installation instructions may not always contain the latest information. It is recommended to check the manufacturer’s website for the most up-to-date version of the instructions.

For any warranty claims, please contact A. Eberle GmbH & Co KG in Nuremberg or use the RMA formular on their website www.a-eberle.de. For disposal of old devices, refer to the information provided on the manufacturer’s homepage: https://www.a-eberle.de/ueber-uns/ruecknahme-recycling/.

General Information

General Information
This installati on manual contains all important information regarding mounting and commissioning. Read this manual carefully and completely as it contains important information about the product. Use this information and obey the security details and warnings. Store this manual securely and make sure that it is always available to the product operator.
The company A. Eberle GmbH & Co. KG does not accept any liability for damage or losses of any kind arising from noncompliance with this information as well as print-ing errors or changes in this manual. Furthermore, the company A. Eberle GmbH & Co. KG will not accept any liability for loss or damage of any kind resulting from faulty equipment or devices that have been modified by the user.

Changes
Please notice that these installation instructions may not always contain the latest information concerning the device. If, for example, the firmware version has changed, then the present description may be incorrect in some points.
In this case please contact us or use the current version of this document and any additional documents concerning this device on our website (www.a-eberle.de).
Copyright 2023 A. Eberle GmbH & Co. KG
Changes reserved.

Disposal
Directive 2012/19/EU, better known as the WEEE2 directive, deals with the return and recycling of electronic waste and electrical equipment in order to recover valuable raw materials. This concerns all
Eberle products marked with the symbol of a waste garbage can shown.

Our WEEE registration number is: DE 37396879
For old devices please also note the information on our homepage: https://www.a-eberle.de/ueber-uns/ruecknahme-recycling/

Warranty
We guarantee that every product of A. Eberle GmbH & Co. KG is free of material and manufacturing defects under normal use. The detailed conditions for the warranty can be found in our general terms and conditions of business under: https://www.a-eberle.de/agbs/
To claim warranty, please contact A. Eberle GmbH & Co KG in Nuremberg or use the RMA formular on our homepage under www.a-eberle.de.

Safety details

Safety instructions
IT IS IMPORTANT TO OBEY THESE INSTRUCTIONS IN ORDER TO ENSURE THE SAFETY OF INDIVIDUALS. THESE INSTRUCTIONS ARE TO BE STORED SECURELY!

These installation instructions do not contain every safety detail necessary for op-erating the device. Special operating conditions may require additional measures. These installation instructions contain references that have to be obeyed for your personal safety and to prevent property damage.

 Structure of warnings
Warnings are structured as follows:
SIGNAL WORD
Nature and source of the danger. Consequences of non-compliance.

• Measures to avoid the danger.

Types of warnings
Warnings are distinguished by the type of danger they are warning against:

DANGER!
Warns of imminent danger that can result in death or serious injuries if not avoided.

WARNING!
Warns of a potentially dangerous situation that can result in death or serious injuries when not avoided.

CAUTION!
Warns of a potentially dangerous situation that can result in fairly serious or minor injuries when not avoided.

NOTICE!
Warns of a potentially dangerous situation that if not avoided could result in material or environmental damage.
Tips on the appropriate device use and recommendations

Intended use
The Earth Fault and Short Circuit Indicator EOR-3DS is intended for fixed installation and the continual measurement, monitoring and evaluation of voltages and currents.
The EOR-3DS is exclusively intended for use in electrical power engineering facilities and installations, where professionals carry out the necessary work. Professionals are defined as people who are familiar with the installation, assembly, commissioning and operation of such products. They have qualifications that meet the requirements of their activities.
The earth fault and short circuit indicator EOR-3DS complies with the laws, rules and standards applicable at the time of delivery, in particular with relevant safety and health requirements.
In order to maintain this condition and ensure safe operation, the operator must follow all the instructions and warnings in the user manual and the technical data must be observed.
A. Eberle GmbH & Co. KG accepts no liability for damage resulting from unauthorized or improper modification or use of the product. Improper modifications of the product without consultation with A. Eberle GmbH & Co. KG can lead to personal injury, property damage and malfunctions.
The EOR-3DS is suitable for the following sites of installation and may only be operated in these locations:

• Switch panel mounting
• DIN rail mounting

Other applicable documents
For safe and correct use of the facility also notice the additional documents, e. g. the complete operating instructions and included documents as well as effective standards and laws.

Target group
The installation manual is intended for skilled technicians and trained and certified operators. The contents of this installation manual must be accessible to people tasked with the installation and operation of the system. To avoid personal or prop-erty damage the operating personnel must be an electrically trained person with the following knowledge.

• Knowledge of national accident prevention guidelines
• Knowledge of standards in safety engineering
• Knowledge of installation, commissioning and operation

Cleaning instructions
Use a soft, slightly damp, lint-free cloth. Make sure no liquid gets in the housing. Do not use window cleaners, sprays, dissolvent, cleaners that contain alcohol, am-monia solutions or abrasive cleaning agents.
Only use water for cleaning.

 Meaning of the symbols in use

• CAUTION – DANGER! Read the operating instructions and security details
• Functional ground of the measuring device
• Service adapter connection
• TCP-IP interface
• The CE label guarantees the adherence of europeans directives and the regulations concerning the EMV.
• The UKCA label guarantees the adherence of respective regulations in the United Kingdom.
• The CMIM label guarantees the adherence of safety standards for electronic products in Morocco.
• DC Voltage
• WEEE2 label, see chapter 1.3

Commissioning

EOR-3DS short description
The EOR-3DS combines earth fault and short circuit location in a compact device. The advantages of various locating methods can be used and prioritized. The device has been developed for locating on one feeder. Through a multitude of SCADA protocols, SPS functionality, the use of monostable relays and IT-security features the EOR-3DS is especially designed for the use in intelligent secondary substations.

Scope of delivery
The EOR-3DS’s scope of delivery includes a display unit for indication and localization of short circuits and earth faults. Depending on the order characteristics ‚C‘ and ‚U‘ the device is delivered with different measurement cards and / or additional current and voltage adapters. In addition, depending on the order characteristic ‚U‘, the device has a RJ45 port.

• EOR-3DS possibly including C21/C25 and / or U10 Adapter
• Installation instructions
• Additionally ordered adapter cables and service adapters
• Additionally ordered case adapters for DIN rail mounting

Mounting
The EOR-3DS is designed for mounting in a compact switch gear. It is mounted in a control panel cut out or with an additional available housing adapter on a DIN rail.
The cut out needs the following dimensions: 92+0,8 x 45+0,6 mm.
The EOR-3DS has metal brackets on the top and bottom, as well as plastic brackets on the side. When correctly mounted these brackets lock in place in the cutout. The plastic brackets have to be removed to dismount the device.

To mount the DIN rail adapter the four screws on the back of the EOR-3DS have to be removed. Afterwards the rail adapter can be mounted using the provided, longer screws. There are two additional provided braces that can be used to sup-port the device additionally.

Connect the braces to the outside of the adapter. Put the slot nut into the slot. Afterwards the screw can be mounted and the device can be aligned horizontally.
Attach the optional C21 and C25 current adapters onto the device. The optional U10 voltage adapter is designed for DIN rail mounting.

NOTICE! Property damage by failure to comply to the mounting instructions
The device can be damaged by disregarding the mounting instructions or through incorrect mounting!

Ground connection
The device contains a functional ground that is also used as a reference potential for voltage measurement with order characteristic C31/U31.

The functional ground is labeled on the measurement device.
Connect the ground cable with the connector on the EOR-3DS. Use a PE flat connector (6.3 mm). Notice the additional instructions in chapter 5.23.

DANGER! Risk of death through electric shock!
The incorrect connection of this measuring device can lead to death, serious injuries or risk of fire.

• The functional ground must always be connected to the PE potential
• Under no conditions the functional ground can carry dangerous voltage

Supply voltage
The connection of EOR-3DS power supply is identical for all devices as there is only one power supply version (feature H23) available. The EOR-3DS has a wide range power supply that can be used in the range between DC 20…148 V. The power supply is protected against polarity reversal, i. e. a connection with reverse polarity on terminals X2-1 and X2-3 in the range of the permitted operating volt-age does not damage the device. The terminal X2 is located on the back of the device in the upper right corner, as shown in the following image. A detailed connection description (e. g. wire cross section) can be found in chapter 5.23.

DANGER!
Risk of death through electric shock!
Serious injuries or death can occur by:

• Touching blank or not insulated live wires
• Touching hazardous connectors on the device
• Assemble / disassemble Ethe device only in voltage free state
• Make sure all wires are connected and strain-relieved.
• The cable requirements of all connector blocks have to be met.

After connection and switch on of the supply voltage the power LED will show a green light and the device will start. As soon as the device is operable, the status LED will light up green. The LED layout can be found in chapter 4.1. The terminal assignment can be found in chapter 5.23.

NOTICE!
Property damage due to disregarding the terminal assignment or improper voltages!
By disregarding the terminal assignment or exceeding the permitted voltage range the device can be damaged or destroyed. Make sure to follow these instructions bevor connecting the device to the supply voltage:

• Voltage and frequencies have to correspond to the identification plate! Obey limits according to the technical specifications in chapter 5.
• Do not take the supply voltage from the voltage transducer.

Variants in connecting the measurement inputs
NOTICE! Personal or property damage due to disregarding the safety instructions
Please read this manual carefully before connecting the terminals and obey the given safety instructions.

The EOR-3DS can be connected to low power sensors and classic (inductive) trans-ducers. The suitable analog input is selected during order process (order characteristics ‘C’ and ‘U’). For technical data of the different analog inputs please refer to the latest EOR-3DS data sheet or chapter 5.
The EOR-3DS has a maximum of four voltage inputs and four current inputs. Hereby three phase voltages and three phase currents as well as the zero sequence voltage (Uen) and the zero sequence current (3I0) can be measured.
The following chapter explains the connection of the measuring transformer and low power sensors depending on the chosen features.
Notice the technical specifications when connecting the different ‚C‘ and ‚U‘ features (chapter 5).

Connecting low power sensors LR/LRM systems
DANGER! Risk of death through electric shock Attention dangerous contact voltage!

• Ensure that the PE connector (ground) on the EOR-3DS is connected.
• Check for zero potential before executing this task!
• Make sure all wires are connected and strain-relieved.
•  The cable requirements of all connector blocks have to be met. (see chapter 5.23)

U05 connection for capacitive LR and LRM systems (incl. adapter cable)
With the EOR-3DS it is possible to measure voltage parallel to a capacitive voltage detecting system.

Principle schematic of connecting the EOR-3DS to a capacitive transducer

Terminal assignment for U05 characteristic

 U06/U07 connection for low power voltage sensors (burden 200 kΩ or 2 MΩ) 

Terminal assignment for characteristics U06/U07

Normally Uen is not measured using low power sensors. This means the parameter ‘calculate Uen‘ must be activated in the EOR-3DS.

 C10 connection for low power current sensors
The EOR-3DS offers the possibility to connect low power current sensors from multiple manufacturers.

Terminal assignment for characteristic C10

C29/U29 connection for ABB low power sensors
The EOR-3DS offers the possibility to connect ABB low power current and voltage sensors via RJ45. This way a combined sensor or separate sensors for current and voltage with y-adapter can be connected.

NOTICE! Property damage due to disregarding the mounting instructions!
The RJ45 connector cables must be preformed and strain-relieved in order to connect them mechanically tension free to the device. Otherwise, there is a risk of damaging the RJ45 ports on the EOR-3DS.

Terminal assignment for characteristic C29/U29

U31/C31 connection for Siemens low power sensors
The EOR-3DS offers the possibility to connect Siemens low-power combi sensors (SIBushing) to measure voltage and current via RJ45.

NOTICE! Property damage due to disregarding the mounting instructions!
The RJ45 connector cables must be pre formed and strain relieved in order to connect them mechanically tension free to the device. Otherwise, there is a risk of damaging the RJ45 ports on the EOR-3DS.

Definition P1/P2 on measuring card C31/U31 (Siemens SIBushing): In the Siemens SIBushing P1 is in feeder direction and P2 in busbar di-rection. The EOR-3DS considers this fact automatically with measurement card C31/U31. An inversion of the current direction by adjusting the respective parameters is not necessary.

Connecting of transducers
DANGER! Risk of death through electric shock!
Attention dangerous contact voltage!
Voltage spark over and high short circuit currents in CAT II and CAT III possible!

• Ensure that the PE connector (ground) on the EOR-3DS is connected.
• Check for zero potential before executing this taks!
• Short circuit the current transducer before executing this task.
• Make sure all wires are connected and strain relieved.
• The cable requirements of all connector blocks have to be met. (see chapter 5.23)

 Adapter modules C21, C25 (only 3Io measurement) and U10 

Connection zero sequence voltage Uen and zero sequence current 3Io
The connection of zero sequence voltage (referred as Uen or Uo) takes place via the so-called open delta winding. A core-balanced current transformer is used to measure 3I0.

Connection of phase to earth voltages UL1, UL2, UL3 and phase currents IL1, IL2, IL3
In the following example, only the phase voltages and the phase currents are con-nected to the EOR-3DS. Uen and 3I0 are not used.

Connection to the busbar side neutral point of the current transducer
The voltage measurement is identical to chapter 3.6.2.3. However, the current measurement is wired in a way that a connection from one transducer is combined with the other two current transducers. The sum of the three phase currents (i. e. 3I0) can consequently be measured at this ‘node’.

Separate connection of phase voltages and currents, zero sequence voltage and sum current
Beside the measurements for phase voltages and phase currents, measurements also exist for the zero sequence voltage (Uen) and zero sequence current (3I0).

Operation / Display

EOR–3DS housing

1. Power LED
2. OLED colour display
3. Status LED
4. Operating keys
5. Signaling LEDs
6. RESET key
7. Service port

USB or ethernet adapters are available for the service port. More information is included in the EOR-3DS data sheet.

Menu navigation with the operating keys on the device 

Key	Description	Function
	Up / Higher	Move up in the menu Increase parameter value
	Down / Lower	Move down in the menu Decrease parameter value
	Left	Switch to previous / higher level in the menu: ‘Back’  For parameters with more than one number, move to the left (cursor) 20 keystrokes in start screen option for factory reset
	Right	Change to the next / lower level in the menu: ‘Forward’  For parameters with more than one number, move to the right (cursor)
	Return / Enter	Jump to the menu from the start screen Selection of a particular menu item Confirmation of a changed parameter
	RESET	Quick press è Resetting of the signals Long press (> 4 seconds) è restart

Technical specifications

Regulations and standards
IEC 60255-1:2022
DIN EN 61010-1:2020
DIN EN 61010-2-030:2022
DIN EN 61000-6-5:2016
DIN EN 55032:2016 (CISPR 32:2015)

AC voltage input U05
Capacitive voltage tap-off on LR/LRM systems

AC voltage input U06
Low power sensors with 200 k rated burden and Un = 3,25 V / √? e.g. sensors from Zelikso, Green-wood Power, etc.

AC voltage input U07
Low power sensors with 2 M rated burden and Un = 3,25 V / √?, e.g. sensors from ABB, Zelisko, Greenwood Power, etc.

AC voltage input U10
Classical voltage transducers with 100 V or 110 V; all values refer to the connection at the U10 adapter; AC voltage input at indicator itself like U06 feature

AC voltage input U29
Low power sensors with 2 M rated burden, e.g. ABB sensors acc. to IEC 60044 or 61869 with RJ45 plug

AC voltage input U31
Low power sensors from Siemens (SIBushing) acc. to IEC 61869 with RJ45 plug (with sensor configuration file)

AC current input C10
Inductive low power sensors with Ur = 255mV, e.g. sensors from ABB, Zelisko, Greenwood Power, etc.

 AC current input C21/C25
Classical current transducers 1A / 5A secondary

AC current input C29
Low power sensors ABB acc. to IEC 60044 or 61869 with RJ45 plug

AC current input C31
Low power sensors from Siemens (SIBushing) acc. to IEC 61869 with RJ45 plug (with sensor configuration file)

Binary inputs
Inputs BI1 + BI2

Binary outputs 

Serial RS485 interface 

Supply voltage 

Rated conductor cross section 

Measurement value recording 

Environment parameters

 Limit-value monitoring 

Weight 

Electrical safety 

Electromagnetic compatibility

Anschluss / Klemmen
Please notice the security instructions and information given in the previous chapters regarding the connection of the device according to the characteristics ‘C’ and ‘U’ and according to the respective connection to low power sensors and transducers

Assignment of connector block X6 for devices with order characteristics C29/U29 & C31/U31. In this case the connector block X5 is replaced by three RJ45 ports L1, L2, L3.

For each connector block the length of the wire end ferrule or stripped wire must be 10mm.

A. Eberle GmbH & Co KG
Frankenstraße 160
D-90461 Nuremberg
Tel.: +49 (0) 911 / 62 81 08-0
Fax: +49 (0) 911 / 62 81 08 99
E-Mail: info@a-eberle.de
http://www.a-eberle.de
Art.-Nr. 584.0891.01
Version: 20.09.2023 10:44

Documents / Resources

e-eberle EOR-3DS Earth Fault and Short Circuit Indicator [pdf] Installation Guide 584.0891.01, EOR-3DS Earth Fault and Short Circuit Indicator, Earth Fault and Short Circuit Indicator, Short Circuit Indicator, Indicator

References

• User Manual