Beckhoff KS2502 Operator's manual

Documentation | EN
KL2502/KS2502, KL2512/KS2512
Dual Channel Pulse Width Output Terminals, 24 V DC
2021-08-23 | Version: 4.4.0

Table of contents
KL2502/KS2502, KL2512/KS2512 3Version: 4.4.0
Table of contents
1 Foreword ....................................................................................................................................................5
1.1 Notes on the documentation..............................................................................................................5
1.2 Safety instructions .............................................................................................................................6
1.3 Documentation issue status ..............................................................................................................7
1.4 Beckhoff Identification Code (BIC) ....................................................................................................8
2 Product overview.....................................................................................................................................10
2.1 KL2502/KS2502 - Introduction ........................................................................................................10
2.1.1 KL2502-0010 ................................................................................................................... 11
2.2 KL2512/KS2512 - Introduction ........................................................................................................12
2.3 Technical data .................................................................................................................................13
2.4 Basic Function Principles ................................................................................................................14
2.5 Operation modes .............................................................................................................................14
3 Mounting and wiring................................................................................................................................16
3.1 Instructions for ESD protection........................................................................................................16
3.2 Installation on mounting rails ...........................................................................................................17
3.3 Connection ......................................................................................................................................20
3.3.1 Connection system .......................................................................................................... 20
3.3.2 Wiring............................................................................................................................... 22
3.3.3 Shielding .......................................................................................................................... 23
3.4 Contact assignment and LEDs ........................................................................................................24
3.5 ATEX - Special conditions (standard temperature range) ...............................................................25
3.6 IECEx - Special conditions ..............................................................................................................26
3.7 Continuative documentation for ATEX and IECEx ..........................................................................27
3.8 cFMus - Special conditions..............................................................................................................28
3.9 Continuative documentation for cFMus ...........................................................................................29
3.10 Disposal...........................................................................................................................................29
4 Configuration Software KS2000.............................................................................................................30
4.1 KS2000 - Introduction......................................................................................................................30
5 Access from the user program ..............................................................................................................32
5.1 Terminal configuration .....................................................................................................................32
5.2 Mapping in the Bus Coupler ............................................................................................................33
5.2.1 KL2502 ............................................................................................................................ 33
5.3 Control and status byte....................................................................................................................35
5.3.1 Register communication .................................................................................................. 35
5.4 Examples of Register Communication ............................................................................................37
5.4.1 Example 1: reading the firmware version from Register 9............................................... 37
5.4.2 Example 2: Writing to an user register............................................................................. 37
5.5 Register overview ............................................................................................................................40
5.6 Register description.........................................................................................................................41
6 Appendix ..................................................................................................................................................44
6.1 Support and Service ........................................................................................................................44

Table of contents
KL2502/KS2502, KL2512/KS25124 Version: 4.4.0

Foreword
KL2502/KS2502, KL2512/KS2512 5Version: 4.4.0
1 Foreword
1.1 Notes on the documentation
Intended audience
This description is only intended for the use of trained specialists in control and automation engineering who
are familiar with the applicable national standards.
It is essential that the documentation and the following notes and explanations are followed when installing
and commissioning these components.
It is the duty of the technical personnel to use the documentation published at the respective time of each
installation and commissioning.
The responsible staff must ensure that the application or use of the products described satisfy all the
requirements for safety, including all the relevant laws, regulations, guidelines and standards.
Disclaimer
The documentation has been prepared with care. The products described are, however, constantly under
development.
We reserve the right to revise and change the documentation at any time and without prior announcement.
No claims for the modification of products that have already been supplied may be made on the basis of the
data, diagrams and descriptions in this documentation.
Trademarks
Beckhoff®, TwinCAT®, TwinCAT/BSD®, TC/BSD®, EtherCAT®, EtherCATG®, EtherCATG10®, EtherCATP®,
SafetyoverEtherCAT®, TwinSAFE®, XFC®, XTS® and XPlanar® are registered trademarks of and licensed by
Beckhoff Automation GmbH. Other designations used in this publication may be trademarks whose use by
third parties for their own purposes could violate the rights of the owners.
Patent Pending
The EtherCAT Technology is covered, including but not limited to the following patent applications and
patents: EP1590927, EP1789857, EP1456722, EP2137893, DE102015105702 with corresponding
applications or registrations in various other countries.
EtherCAT® is registered trademark and patented technology, licensed by Beckhoff Automation GmbH,
Germany.
Copyright
© Beckhoff Automation GmbH & Co. KG, Germany.
The reproduction, distribution and utilization of this document as well as the communication of its contents to
others without express authorization are prohibited.
Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a
patent, utility model or design.

Foreword
KL2502/KS2502, KL2512/KS25126 Version: 4.4.0
1.2 Safety instructions
Safety regulations
Please note the following safety instructions and explanations!
Product-specific safety instructions can be found on following pages or in the areas mounting, wiring,
commissioning etc.
Exclusion of liability
All the components are supplied in particular hardware and software configurations appropriate for the
application. Modifications to hardware or software configurations other than those described in the
documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH & Co. KG.
Personnel qualification
This description is only intended for trained specialists in control, automation and drive engineering who are
familiar with the applicable national standards.
Description of instructions
In this documentation the following instructions are used.
These instructions must be read carefully and followed without fail!
DANGER
Serious risk of injury!
Failure to follow this safety instruction directly endangers the life and health of persons.
WARNING
Risk of injury!
Failure to follow this safety instruction endangers the life and health of persons.
CAUTION
Personal injuries!
Failure to follow this safety instruction can lead to injuries to persons.
NOTE
Damage to environment/equipment or data loss
Failure to follow this instruction can lead to environmental damage, equipment damage or data loss.
Tip or pointer
This symbol indicates information that contributes to better understanding.

Foreword
KL2502/KS2502, KL2512/KS2512 7Version: 4.4.0
1.3 Documentation issue status
Version Comment
4.4.0 • KL2502-0010 added
4.3.0 • Technical data updated
• Ex markings added to technical data
• Chapter IECEx - Special conditions added
• Chapter cFMus - Special conditions added
• Chapter Disposal added
• New title page
4.2 • Chapter Instructions for ESD protection updated
• Chapter Beckhoff Identification Code (BIC) added
4.1 • Structure update
• Technical data updated
• Revision status updated
4.0 • Migration
• Document structure updated
• Technical data updated
• Revision status updated
Firmware and hardware versions
Documentation
Version
KL/KS2502-0000 KL2502-0010 KL/KS2512-0000
Firmware Hardware Firmware Hardware Firmware Hardware
4.4.0 3F 09 3F 05 3F 02
4.3.0 3F 09 - - 3F 02
4.2 3F 08 - - 3F 02
4.1 3F 08 - - 3F 02
4.0 3F 08 - - 3F 02
The firmware and hardware versions (delivery state) of the terminal can be found in the serial number printed
on the side.
Syntax of the serial number
Structure of the serial number: WWYYFFHH
WW - week of production (calendar week)
YY – year of production
FF - firmware version
HH - hardware version
Example with serial number 12 06 3A 02:
12 - week of production 12
06 - year of production 2006
3A - firmware version 3A
02 - hardware version 02

Foreword
KL2502/KS2502, KL2512/KS25128 Version: 4.4.0
1.4 Beckhoff Identification Code (BIC)
The Beckhoff Identification Code (BIC) is increasingly being applied to Beckhoff products to uniquely identify
the product. The BIC is represented as a Data Matrix Code (DMC, code scheme ECC200), the content is
based on the ANSI standard MH10.8.2-2016.
Fig.1: BIC as data matrix code (DMC, code scheme ECC200)
The BIC will be introduced step by step across all product groups.
Depending on the product, it can be found in the following places:
• on the packaging unit
• directly on the product (if space suffices)
• on the packaging unit and the product
The BIC is machine-readable and contains information that can also be used by the customer for handling
and product management.
Each piece of information can be uniquely identified using the so-called data identifier
(ANSIMH10.8.2-2016). The data identifier is followed by a character string. Both together have a maximum
length according to the table below. If the information is shorter, spaces are added to it. The data under
positions 1 to 4 are always available.
The following information is contained:

Foreword
KL2502/KS2502, KL2512/KS2512 9Version: 4.4.0
Item
no.
Type of
information
Explanation Data
identifier
Number of digits
incl. data identifier
Example
1 Beckhoff order
number
Beckhoff order number 1P 8 1P072222
2 Beckhoff Traceability
Number (BTN)
Unique serial number,
see note below
S 12 SBTNk4p562d7
3 Article description Beckhoff article
description, e.g.
EL1008
1K 32 1KEL1809
4 Quantity Quantity in packaging
unit, e.g. 1, 10, etc.
Q 6 Q1
5 Batch number Optional: Year and week
of production
2P 14 2P401503180016
6 ID/serial number Optional: Present-day
serial number system,
e.g. with safety products
or calibrated terminals
51S 12 51S678294104
7 Variant number Optional: Product variant
number on the basis of
standard products
30P 32 30PF971, 2*K183
...
Further types of information and data identifiers are used by Beckhoff and serve internal processes.
Structure of the BIC
Example of composite information from item 1 to 4 and 6. The data identifiers are marked in red for better
display:
BTN
An important component of the BIC is the Beckhoff Traceability Number (BTN, item no.2). The BTN is a
unique serial number consisting of eight characters that will replace all other serial number systems at
Beckhoff in the long term (e.g. batch designations on IO components, previous serial number range for
safety products, etc.). The BTN will also be introduced step by step, so it may happen that the BTN is not yet
coded in the BIC.
NOTE
This information has been carefully prepared. However, the procedure described is constantly being further
developed. We reserve the right to revise and change procedures and documentation at any time and with-
out prior notice. No claims for changes can be made from the information, illustrations and descriptions in
this information.

Product overview
KL2502/KS2502, KL2512/KS251210 Version: 4.4.0
2 Product overview
2.1 KL2502/KS2502 - Introduction
Fig.2: KL2502 - Two-channel pulse width output terminal 24VDC
The KL2502/KS2502 output terminals modulate the pulse width of a binary signal, and outputs it electrically
isolated from the K-bus. The mark/space ratio is prescribed by a 16bit value from the automation device.
The output stage is protected against overload and short-circuit. The Bus Terminal contains two channels
that indicate its signal state by means of light emitting diodes. The LEDs are driven in time with the outputs
and show the duty factor by their brightness.

Product overview
KL2502/KS2502, KL2512/KS2512 11Version: 4.4.0
2.1.1 KL2502-0010
Pulse direction setting for controlling a stepper motor power unit with active interpolation.
The output terminal KL2502-0010 has the Frq-Cnt pulse mode with active interpolation as factory setting. It
differs from the KL2502-0000 by a processor that is faster by a factor of four, so that all frequencies that are
specified are provided with the same factor. That means:
PWML mode: from 8Hz to 1kHz
PWMH mode: from 1kHz to 80kHz
Cnt-Cnt-PWM mode: from 1kHz to 32kHz
Register R2 [}43] und R35 [}43]:Period duration, 1 digit corresponds to 250ns
Register R37 [}43]:Pulse duration, 1 digit corresponds to 2μs
In addition, the power range for controlling a stepper motor has been extended:
Frq-Cnt-PWM mode: from 8Hz to 32,7kHz
Frq-Cnt-Impuls mode: from 8Hz to 32,7kHz
Interpolation
During interpolation, a start frequency F_start (R39 [}43]) is specified, from which this starts. Above
F_start, frequency steps specified by the controller are interpolated with the gradient specified via the
maximum frequency step size F_delta (R38 [}43]) and the time base T_delta (R40 [}43]). F_delta and
T_delta define the maximum acceleration of the drive.
Key data for stepper motor operating mode
Maximum frequency: 32.7kHz
Resolution: 8Hz / Digit
Impulse with: R37 x 2μs
Process data
DOUT of the termina:
Number of output pulses. If the frequency setting is positive, the pulses are counted forward, if it is negative,
the pulses are counted backward.
DIN of the terminal:
Frequency setting with 8 Hz/digit and sign as direction setting.

Product overview
KL2502/KS2502, KL2512/KS251212 Version: 4.4.0
2.2 KL2512/KS2512 - Introduction
Fig.3: KL2512 - Two-channel pulse width output terminal 24VDC, ground switching
The KL2512/KS2512 output terminals enable direct connection of different ohmic loads. The output signal is
a pulse-width modulated voltage. The typical load of an LED group or an incandescent lamp is connected
between the positive side of the supply voltage and the output of the KL2512/KS2512. Via the fieldbus the
output can be set independently for two channels with a resolution of more than 30,000 steps. The PWM
frequency can be changed. The power transistors switch the ground connection and are electrically isolated
from the internal K-bus.

Product overview
KL2502/KS2502, KL2512/KS2512 13Version: 4.4.0
2.3 Technical data
Technical data KL2502-0000/
KS2502-0000
KL2502-0010 KL2512-0000/
KS2512-0000
Number of outputs 2
Rated load voltage 24VDC (20V … 29V)
Connected potential 24V 0V
Load type resistive, inductive resistive
Max. output current (per channel) 0.1A (short-circuit proof, 1A driver component) 1.5A
Base frequency 1 … 20kHz, default: 250Hz
Duty factor 0 … 100%
(TON > 750ns, TOFF > 500ns)
0 … 100%
Resolution max. 10bit
Electrical isolation 500V (K-bus/field voltage)
Current consumption from the K-bus typ. 18mA typ. 22mA typ. 18mA
Load voltage current consumption typ. 10mA
Bit width in process image 48 I/O: 2 x 16bit data (2 x 8bit control/status)
Configuration No address setting,
configuration via the Bus Coupler or the controller
Pluggable wiring for all KSxxxx Bus Terminals
Weight app. 50g
Permissible ambient temperature
range during operation
0°C ... + 55°C
Permissible ambient temperature
range during storage
-25°C ... + 85°C
Permissible relative air humidity 95%, no condensation
Dimensions (HxWxD) app. 15mm x 100mm x 70mm (aligned width: 12mm)
Mounting [}17] on 35mm mounting rail according to EN60715
Vibration/ shock resistance conforms to EN60068-2-6/ EN 60068-2-27
EMC immunity/ emission conforms to EN61000-6-2/ EN61000-6-4
Protection class IP20
Installation position variable
Approvals/ markings CE, UKCA, cULus, EAC,
ATEX [}25], IECEx [}26], cFMus [}28]
CE, UKCA, EAC CE, UKCA, EAC,
ATEX [}25]
Ex markings
Standard KL2502-0000/
KS2502-0000
KL2502-0010 KL2512-0000/
KS2512-0000
ATEX II 3 G Ex nA IIC T4 Gc
II 3 D Ex tc IIIC T135 °C Dc
- II 3 G Ex nA IIC T4 Gc
IECEx Ex nA IIC T4 Gc
Ex tc IIIC T135 °C Dc
- -
cFMus Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, AEx/Ex ec IIC T4 Gc
- -

Product overview
KL2502/KS2502, KL2512/KS251214 Version: 4.4.0
2.4 Basic Function Principles
The KL2502 output terminal modulates the pulse width of a binary signal. The peripheral side of the
electronics is electrically isolated from the internal K-bus, and therefore also from the fieldbus. The cycle
(base frequency) and the pulse/pause ratio are configurable. 16-bit values can be specified for setting
purposes via the process image of the controller.
In the delivery state the KL2502 terminal occupies 6bytes in the process image. The mapping of the KL2502
can be set by means of the controller or by the Bus Coupler's configuration interface using the Beckhoff
KS2000 configuration software.
In addition to PWM mode, the KL2502 can also be operated in FM mode (frequency modulation), or with
pulse direction setting for stepper motor control (Frq-Cnt pulse mode).
The default setting of the terminal in delivery state is PWM mode with a base frequency of 250Hz and a
resolution of 10bit.
The LEDs indicate the operating state of the associated terminal channels.
• green Run LED:
◦ On: normal operation
◦ Off: Watchdog timer overflow has occurred. If no process data are transmitted by the Bus Coupler
for 100ms, the green LEDs go out. The output assumes a user-specified voltage (see Feature
register).
Process data
Input format:
KL2502: Two's complement representation (integer -1 corresponds to 0xFFFF)
The ratio of duty cycle/period is specified with a maximum resolution of 10bit.
KL2512: 16bit unsigned integer
Output value Process data
KL2502 KL2512*
0% Duty Cycle 0x0000 (0dec) 0x7FFF (32767dec) 0xFFFF (65535dec)
50% Duty Cycle 0x3FFF (16383dec) 0x3FFF (16383dec) 0xBFFF (49151dec)
100% Duty Cycle 0x7FFF (32767dec) 0x0000 (0dec) 0x8000 (32768dec)
*) The KL2512 passes through the output values (0…100% duty cycle) twice.
2.5 Operation modes
The operating mode of the terminal is set via feature register R32 [}43].
PWM mode
2 channels can be operated in the PWMx modes. Note that the operating mode and the cycle duration for
both channels are identical.

Product overview
KL2502/KS2502, KL2512/KS2512 15Version: 4.4.0
PWMH
In PWM mode, the ratio of duty cycle to cycle duration is determined by the process data.
100% duty cycle corresponds to process record 0x7FFF. The cycle duration can be specified during
operation via register R2 [}41]. It is loaded after a system start-up from register R35 [}43] (SEEROM) and
entered into R2.
The frequency range covers 245Hz to 20kHz (0xFA0 in R2 corresponds to 250Hz) with a resolution of
10bit at 245Hz, 976Hz and 3.9kHz.
PWML
In PWM mode, the ratio of duty cycle to cycle duration is determined by the process data. 100% duty cycle
corresponds to process record 0x7FFF (32767). The cycle duration can be specified during operation via
register R2 [}41]. It is loaded after a system start-up from register R35 [}43] (SEEROM) and entered into
R2.
The frequency range is from 2Hz to 250Hz (250Hz corresponds to 0x01F4 in R2).
Frq-Cnt PWM mode
The frequency is specified in 2Hzperdigit via the process output data of the control. The controller receives
the number of periods that are output by the terminal as process input data. In this operating mode, the
count direction is determined via the sign of the output data. 2Hz corresponds to the value 0x0001, -2Hz
corresponds to the value 0xFFFF (signed integer). The frequency range is 2Hz to 2kHz. The pulses are
issued at output A1, the count direction at output A2. Down corresponds to signal level GND, up corresponds
to signal level Vcc (24V).
With rising edge of control bit 0 the counter is set to the value of the output data (control byte in process data
mode, i.e.bit 7=0).
The pulse width ratio is specified via R36 [}43].
Frq-Cnt pulse mode
The frequency is specified in 2Hzperdigit via the process output data of the control. The controller receives
the number of pulses that are output by the terminal as process input data. In this operating mode, the count
direction is determined via the sign of the output data. 2Hz corresponds to the value 0x0001, -2Hz
corresponds to the value 0xFFFF (signed integer). The pulses are issued at output A1, the count direction at
output A2. Down corresponds to signal level GND, up corresponds to signal level Vcc.
The frequency range is 2Hz to 2kHz.
With rising edge of control bit 0 the counter is set to the value of the output data. (Control byte in process
data mode, i.e.bit7=0).
The pulse width is fixed for all frequencies and is specified via R37 [}43].
Cnt-Cnt PWM mode
The number of pulses is specified via the process output data. The controller receives the number of output
periods as process input data. The pulse width ratio is specified via R36 [}43], the cycle duration via R35
[}43]. The output is started with a positive edge of control bit 0. It can be triggered with each additional
edge. The pulses are issued at output A1, output A2 can be set via control bit2. In status bit 0 the controller
receives the transfer and the simultaneous start of the pulse output as status information. Status bit 1
remains set as long as the output is active and status bit 2 returns the status of channel 1.

Mounting and wiring
KL2502/KS2502, KL2512/KS251216 Version: 4.4.0
3 Mounting and wiring
3.1 Instructions for ESD protection
NOTE
Destruction of the devices by electrostatic discharge possible!
The devices contain components at risk from electrostatic discharge caused by improper handling.
• Please ensure you are electrostatically discharged and avoid touching the contacts of the device directly.
• Avoid contact with highly insulating materials (synthetic fibers, plastic film etc.).
• Surroundings (working place, packaging and personnel) should by grounded probably, when handling
with the devices.
• Each assembly must be terminated at the right hand end with a KL9010 bus end terminal, to ensure the
protection class and ESD protection.
Fig.4: Spring contacts of the Beckhoff I/O components

Mounting and wiring
KL2502/KS2502, KL2512/KS2512 17Version: 4.4.0
3.2 Installation on mounting rails
WARNING
Risk of electric shock and damage of device!
Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or
wiring of the bus terminals!
Assembly
Fig.5: Attaching on mounting rail
The bus coupler and bus terminals are attached to commercially available 35mm mounting rails (DIN rails
according to EN60715) by applying slight pressure:
1. First attach the fieldbus coupler to the mounting rail.
2. The bus terminals are now attached on the right-hand side of the fieldbus coupler. Join the compo-
nents with tongue and groove and push the terminals against the mounting rail, until the lock clicks
onto the mounting rail.
If the terminals are clipped onto the mounting rail first and then pushed together without tongue and
groove, the connection will not be operational! When correctly assembled, no significant gap should
be visible between the housings.
Fixing of mounting rails
The locking mechanism of the terminals and couplers extends to the profile of the mounting rail. At
the installation, the locking mechanism of the components must not come into conflict with the fixing
bolts of the mounting rail. To mount the mounting rails with a height of 7.5mm under the terminals
and couplers, you should use flat mounting connections (e.g. countersunk screws or blind rivets).

Mounting and wiring
KL2502/KS2502, KL2512/KS251218 Version: 4.4.0
Disassembly
Fig.6: Disassembling of terminal
Each terminal is secured by a lock on the mounting rail, which must be released for disassembly:
1. Pull the terminal by its orange-colored lugs approximately 1cm away from the mounting rail. In doing
so for this terminal the mounting rail lock is released automatically and you can pull the terminal out of
the bus terminal block easily without excessive force.
2. Grasp the released terminal with thumb and index finger simultaneous at the upper and lower grooved
housing surfaces and pull the terminal out of the bus terminal block.
Connections within a bus terminal block
The electric connections between the Bus Coupler and the Bus Terminals are automatically realized by
joining the components:
• The six spring contacts of the K-Bus/E-Bus deal with the transfer of the data and the supply of the Bus
Terminal electronics.
• The power contacts deal with the supply for the field electronics and thus represent a supply rail within
the bus terminal block. The power contacts are supplied via terminals on the Bus Coupler (up to 24V)
or for higher voltages via power feed terminals.
Power Contacts
During the design of a bus terminal block, the pin assignment of the individual Bus Terminals must
be taken account of, since some types (e.g. analog Bus Terminals or digital 4-channel Bus Termi-
nals) do not or not fully loop through the power contacts. Power Feed Terminals (KL91xx, KL92xx
or EL91xx, EL92xx) interrupt the power contacts and thus represent the start of a new supply rail.
PE power contact
The power contact labeled PE can be used as a protective earth. For safety reasons this contact mates first
when plugging together, and can ground short-circuit currents of up to 125A.

Mounting and wiring
KL2502/KS2502, KL2512/KS2512 19Version: 4.4.0
Fig.7: Power contact on left side
NOTE
Possible damage of the device
Note that, for reasons of electromagnetic compatibility, the PE contacts are capacitatively coupled to the
mounting rail. This may lead to incorrect results during insulation testing or to damage on the terminal (e.g.
disruptive discharge to the PE line during insulation testing of a consumer with a nominal voltage of 230V).
For insulation testing, disconnect the PE supply line at the Bus Coupler or the Power Feed Terminal! In or-
der to decouple further feed points for testing, these Power Feed Terminals can be released and pulled at
least 10mm from the group of terminals.
WARNING
Risk of electric shock!
The PE power contact must not be used for other potentials!

Mounting and wiring
KL2502/KS2502, KL2512/KS251220 Version: 4.4.0
3.3 Connection
3.3.1 Connection system
WARNING
Risk of electric shock and damage of device!
Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or
wiring of the bus terminals!
Overview
The bus terminal system offers different connection options for optimum adaptation to the respective
application:
• The terminals of ELxxxx and KLxxxx series with standard wiring include electronics and connection
level in a single enclosure.
• The terminals of ESxxxx and KSxxxx series feature a pluggable connection level and enable steady
wiring while replacing.
• The High Density Terminals (HD Terminals) include electronics and connection level in a single
enclosure and have advanced packaging density.
Standard wiring (ELxxxx / KLxxxx)
Fig.8: Standard wiring
The terminals of ELxxxx and KLxxxx series have been tried and tested for years.
They feature integrated screwless spring force technology for fast and simple assembly.
Pluggable wiring (ESxxxx / KSxxxx)
Fig.9: Pluggable wiring
The terminals of ESxxxx and KSxxxx series feature a pluggable connection level.
The assembly and wiring procedure is the same as for the ELxxxx and KLxxxx series.
The pluggable connection level enables the complete wiring to be removed as a plug connector from the top
of the housing for servicing.
The lower section can be removed from the terminal block by pulling the unlocking tab.
Insert the new component and plug in the connector with the wiring. This reduces the installation time and
eliminates the risk of wires being mixed up.
The familiar dimensions of the terminal only had to be changed slightly. The new connector adds about 3
mm. The maximum height of the terminal remains unchanged.