Keba KeContact E10 User manual

KeContact
E10
Energy meter
Installation manual V 1.00
Original instructions

Document:V 1.00
Filename: KeContactE10_ihen.pdf
Pages: 34
© KEBA 2023
Specifications are subject to change due to further technical developments. Details presented may be
subject to correction.
All rights reserved.
KEBA Energy Automation GmbH Reindlstraße 51, 4040 Linz, Austria, www.keba.com/emobility
For information about KEBA and our subsidiaries please look at www.keba.com.

E10 Table of contents
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Table of contents
1 Introduction................................................................................................................ 5
1.1 Representation of safety instructions............................................................... 5
1.2 Purpose of the document................................................................................. 6
1.3 Requirements................................................................................................... 6
1.4 Intended use .................................................................................................... 6
1.5 Information on this document........................................................................... 7
1.6 Additional documentation................................................................................. 7
2 Safety notes ............................................................................................................... 8
3 Scope of delivery....................................................................................................... 10
4 Description................................................................................................................. 11
4.1 Front view ........................................................................................................ 11
4.2 Top view........................................................................................................... 11
4.3 Bottom view ..................................................................................................... 12
4.4 Type plate ........................................................................................................ 12
5 Displays and operating elements ............................................................................ 13
5.1 LED displays .................................................................................................... 13
5.2 Reset button..................................................................................................... 14
6 Mounting and installation instructions ................................................................... 15
6.1 Space requirement........................................................................................... 15
6.2 Mounting the device......................................................................................... 15
7 Connections and wiring............................................................................................ 16
7.1 Connection overview........................................................................................ 16
7.2 Connecting split-core current transformers...................................................... 17
7.3 Connecting the voltage supply......................................................................... 18
7.4 Ethernet interface............................................................................................. 18
8 Operating behavior.................................................................................................... 20
8.1 Restarting the device ....................................................................................... 20
8.2 Resetting the device to factory settings ........................................................... 20
8.3 Behavior in the event of voltage drop .............................................................. 20
9 Configuration ............................................................................................................. 21
9.1 Measuring interval (register 256) ..................................................................... 21
9.2 Split-core current transformer (register 257).................................................... 21
9.3 Network configuration (registers 259 - 267)..................................................... 21

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9.4 Read-only flag (register 268) ........................................................................... 22
9.5 Error codes ...................................................................................................... 22
10 Data recording ........................................................................................................... 23
11 Maintenance............................................................................................................... 24
11.1 Software update via web server....................................................................... 24
11.2 Troubleshooting ............................................................................................... 24
12 Disposal...................................................................................................................... 26
13 Technical data............................................................................................................ 27
13.1 General ............................................................................................................ 27
13.2 Power supply ................................................................................................... 27
13.3 Ambient conditions........................................................................................... 27
13.4 Interfaces ......................................................................................................... 27
13.5 Dimensions, weight.......................................................................................... 27
13.6 Clamp current transformer ............................................................................... 28
14 Directives, standards and regulations .................................................................... 29
14.1 EU Directives and Standards........................................................................... 29
15 Declaration of conformity ......................................................................................... 30
Index ........................................................................................................................... 32

E10 Introduction
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1 Introduction
This manual is valid for KC-E10.
The pictured devices used in this manual are visual examples. The figures
and explanations contained in this manual refer to a typical device design.
The devices used by you may differ in their appearance.
1.1 Representation of safety instructions
At various points in this manual, you will see notes and precautionary warn-
ings regarding possible hazards. The symbols used have the following
meaning:
DANGER!
indicates an imminently hazardous situation, which will result in death or se-
rious bodily injury if the corresponding precautions are not taken.
WARNING!
indicates a potentially hazardous situation, which can result in death or seri-
ous bodily injury if the corresponding precautions are not taken.
CAUTION!
means that if the corresponding safety measures are not taken, a potentially
hazardous situation can occur that may result in slight bodily injury.
Caution
means that damage to property can occur if the corresponding safety mea-
sures are not taken.
ESD
This symbol reminds you of the possible consequences of touching electro-
statically sensitive components.
Information
Identifies practical tips and useful information. No information that warns
about potentially dangerous or harmful functions is contained.

E10Introduction
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1.2 Purpose of the document
This document describes the complete installation and configuration of KC-
E10.
1.3 Requirements
This document contains information for persons who meet the following re-
quirements:
Target group Required knowledge and abilities
Electrician
Person who, due to their special training, expertise and experience
as well as knowledge of current standards, is able to assess the
work performed and the possible hazards.
Knowledge about:
● Currently valid safety regulations
● The method of operation of an energy meter
● Displays and operating elements
● Basics of network technology
● Diagnostic options
● Systematic fault analysis and rectification
● Setting options
1.4 Intended use
The device is a measurement device that determines and supplies the elec-
trical measured values at the terminal. The data collected by the device may
deviate from the data of the main energy meter.
Information
This device is NOT an active electrical energy meter as defined by EU Di-
rective 2004/22/EC (MID) and therefore may only be used for internal ac-
counting purposes.
According to its classification, the device may be connected exclusively in
sub-distribution or sub-circuit distribution on the consumer side downstream
of the energy meter of the power supply company (PSC).
The device is suitable solely for use indoors. The respective national regula-
tions must be observed with regard to installation and connection.
Any other use of the device than that described under "Intended use" is con-
sidered improper use. Unauthorized changes, conversion work or repairs as
well as opening the device are prohibited.
The intended use of the device always includes the compliance with the en-
vironmental conditions for which this device was developed.

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The device was developed, manufactured, inspected and documented in
compliance with the relevant safety standards. If the instructions and safety
instructions described for the intended use are observed, the product will
normally not pose a risk to the health of persons or damage to property.
Not observing the safety notes can result in risk of death, injuries and
damage to the device!
The device manufacturer assumes no liability for resulting claims!
1.5 Information on this document
The manual is part of the product. It is to be retained over the entire life cycle
of the product and should be forwarded to any subsequent owners or users
of the product.
The instructions contained in this manual must be followed precisely. Failure
to do so could result in the creation of potential sources of danger or the dis-
abling of safety devices. Apart from the safety instructions given in this man-
ual, the safety precautions and accident prevention measures appropriate to
the situation in question must also be observed.
1.5.1 Contents of the document
● Description of the device
● Installation
● Electrical installation
● Configuration
1.5.2 Not contained in this document
● Troubleshooting
1.6 Additional documentation
Manuals and additional information are available on our website:

E10Safety notes
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2 Safety notes
WARNING!
Risk of electric shock and fire hazard!
● Installation, commissioning, maintenance or retrofitting of the device
must be performed by correctly trained, qualified and authorized electri-
cians1) who are fully responsible for the compliance with existing stan-
dards and installation regulations.
Please observe that national regulations may be required.
● Do not install or use a damaged device.
● A damaged device must be taken out of commission and repaired or re-
placed by a qualified and authorized electrician.
● Repair of the device is not permitted and may only be carried out by the
manufacturer.
● No unauthorized conversion work or modifications may be made.
● No markings (such as safety signs, warnings, wire markings, etc.) may
be removed.
● Use the device only in a dry environment and keep it away from liquids.
● Only install the device in permitted housings or electrical distribution
boards downstream of the PSC meter so that the connections for the
phase conductor and neutral conductor are located behind a cover or
contact protection.
● Comply with prescribed minimum spatial clearances between the net-
work cable and live installation components or use suitable insulation.
● To restrict access to authorized personnel, the housing or electrical dis-
tribution board may only be accessible by means of a key or tool.
● Before installation or maintenance work, de-energize the electrical distri-
bution board and secure it from accidentally being switched on again.
● It must be possible for the end user to de-energize the device by means
of a freely accessible fuse or and additional circuit breaker.
● The voltage inputs of the device must be protected with fuses (16 A
Type B).
● De-energize the device before cleaning it, and only clean it using a dry
cloth.
1) Persons who, due to their special training, expertise and experience as
well as knowledge of current standards, are able to assess the work per-
formed and the possible hazards.

E10 Safety notes
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Caution
Possible damage to property!
● When connecting and wiring the device, ensure that the connection area
is clean so that no foreign objects (pieces of wire, etc.) get inside.
● Never clean the device with aggressive solvents and cleaning agents,
abrasive materials, spray water (garden hose, high-pressure cleaner,
etc.) or excessive pressure.
Caution
Damage in case of faulty data connection
Devices that process the measurement data from KC-E10 must ensure that
the absence of measured values or faulty measured values do not lead to
any damage.

E10Scope of delivery
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3 Scope of delivery
The following parts are included in the scope of delivery:
Description Number
KC-E10 1x
4-pin connection plug 1x
6-pin connection plug 1x
Split-core current transformer (63 A)
● KC-E10-1P-63A 1x
● KC-E10-3P-63A 3x
Installation instructions 1x

E10 Description
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4 Description
The KC-E10 energy meter measures the electricity volume of all consumers
in a household. As soon as a charging station is connected to the energy
meter via the network, it detects the maximum permissible power draw, sub-
tracts the total consumption and regulates the charging power. The mea-
sured values are used to calculate the available capacity and the charging
current is distributed to the vehicles. 1- or 3-phase power measurement is
possible.
4.1 Front view
Fig.4-1: Front side
1 ... "Status" LED 2 ... "Network" LED
3 ... Not available 4 ... Reset button
5 ... Ethernet interface
4.2 Top view
Fig.4-2: Top
1 ... Power supply 2 ... Not available (internal service inter-
face)

E10Description
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4.3 Bottom view
Fig.4-3: Bottom
1 ... Plug-in point for current measure-
ment inputs
2 ... Top hat rail lock
4.4 Type plate
Fig.4-4: Example type plate
1 ... Manufacturer 2 ... QR code
3 ... Production date (year - week) 4 ... Manufacturer's address
5 ... Technical data 6 ... CE conformity marking
7 ... Electrician symbol(according to IEC
60417-6182)
8 ... Reference to safety notes(accord-
ing to ISO 7000-0434B)
9 ... Country of manufacture 10 ... WEEE marking
11 ... Reference to product manual 12 ... Equipment class II(according to IEC
60417-5172)
13 ... Product designation 14 ... Device ID
15 ... Serial number 16 ... MAC address

E10 Displays and operating elements
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5 Displays and operating elements
5.1 LED displays
The following multicolored LEDs are located on the front of the device:
● "Status" LED
● "Network" LED
● "Service interface" LED
"Status" LED
Display Meaning
Dark No power supply to the device.
Green The device is switched on and ready for operation.
Flashing green (slow) The device is in software update mode and the web inter-
face is active.
Flashing orange (2x) Confirmation for resetting to factory settings.
Red A critical error has occurred.
Flashing red (fast) A software update is running.
"Network" LED
Display Meaning
Dark No connection.
Green Ethernet link is active.
Flashing green (fast) Communication is in progress.
Flashing red (slow) Communication error.
"Service interface" LED
Display Meaning
Dark No activity on the interface.
Flashing green (fast) Communication is in progress.
Flashing red (slow) Communication error.

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5.2 Reset button
The reset button is located on the front of the device and is required for the
following purposes:
● Restarting the device (see 8.1 Restarting the device)
● Resetting the device to factory settings (see 8.2 Resetting the device to
factory settings)
● Executing a software update (see 11.1 Software update via web server)

E10 Mounting and installation instructions
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6 Mounting and installation instructions
6.1 Space requirement
The device must be installed with the following clearances to the surround-
ings.
Fig.6-5: Space requirement, specified in mm
6.2 Mounting the device
The KC-E10 is intended for installation on a horizontal mounting rail in a
control cabinet.
To mount the device in the control cabinet, proceed as follows:
1) Hook the device into the upper edge of the top hat rail and press down
until the housing latches completely.
The device has been mounted.

E10Connections and wiring
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7 Connections and wiring
7.1 Connection overview
Fig.7-6: 3-phase connection overview
1 ... Power connection (power grid) 2 ... Pre-meter fuses
3 ... Energy meter of the power supply
company (PSC)
4 ... Post-meter fuses
5 ... Split-core current transformer 6 ... KC-E10
7 ... 16 A Type B fuses 8 ... Consumer
In 1-phase operation, the split-core current transformers and voltage input
are to be connected to the device for phase L1. At least phase (phase con-
ductor) L1 and neutral conductor N must be connected, since they supply
the device with power.

E10 Connections and wiring
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7.2 Connecting split-core current transformers
Fig.7-7: Energy meter with plug, bottom view
Pin Phase Wire
1L1 S1 (red)
2 S2 (black)
3L2 S1 (red)
4 S2 (black)
5L3 S1 (red)
6 S2 (black)
Caution
Damage to property!
● Only the included split-core current transformers may be connected.
● Always connect the split-core current transformers to the device first and
then fold over the phase conductors.
● Make sure that the phases are each correctly assigned. Otherwise, the
device will return false measured values.
To connect the split-core current transformers, proceed as follows:
1) Connect the connection cable of the split-core current transformers to
the 6-pin plug (scope of delivery) according to the connection overview.
2) Connect the connection plug to the energy meter.
3) Open split-core current transformers for L1, place around phase conduc-
tor L1 and close again until it audibly latches. Observe the direction of
the arrow!
4) If present: Repeat steps for phase conductors L2 and L3.
The split-core current transformers are connected.

E10Connections and wiring
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7.3 Connecting the voltage supply
Fig.7-8: Energy meter with plug, top view
L1-L3 ... Phase conductors L1, L2, L3 N ... Neutral conductor
WARNING!
Risk of injury from electrical voltage!
Switch off the power supply properly before installation and secure it against
being switched on again.
To connect the power supply, proceed as follows:
1) Connect the phases (phase conductors) L1, L2, L3 and neutral conduc-
tor N to the terminals of the 4-pin plug (scope of delivery).
2) Connect the connection plug to the energy meter.
The power supply is connected.
Information
Make sure that the phases (phase conductors) on the connection plug are
all correctly assigned. Otherwise, the energy meter will return false mea-
sured values.
7.4 Ethernet interface
Caution
Damage due to overvoltage!
The device can be destroyed or damaged by overvoltage on the data cable
(Ethernet) or destination device (e.g. charging station). If the data cable or
destination device is installed outdoors, it must have suitable overvoltage
protection.

E10 Connections and wiring
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The measurement data can be read out using the Modbus protocol via the
Ethernet interface. The device (Modbus TCP slave) can be reached under
the port "502" by default. The Unit ID corresponds to the "Device ID" on the
type plate.

E10Operating behavior
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8 Operating behavior
8.1 Restarting the device
To restart the device, the reset button must be pressed with a pointed object
for at least 6 seconds. Then the device restarts. The measured values are
not available for approx. 5 sec. after a restart.
A restart of the device can also be triggered using the Modbus TCP protocol.
To do so, the value 1 must be written to Modbus register 61615 (0xF0AF).
8.2 Resetting the device to factory settings
To reset the device to factory settings, proceed as follows:
1) Press the reset button with a pointed object briefly 1x (approx. 0.5 sec-
onds)
2) Then press and hold 1x (3 to 5 seconds) within 1 second.
If the input is successful, the status LED flashes orange twice and the device
has been reset to the factory setting. If the input fails, you must wait 2 sec-
onds before a new input attempt can be performed.
8.3 Behavior in the event of voltage drop
As soon as a lower power supply is detected, the device saves the mea-
sured energy values in non-volatile memory.
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