Beckhoff KM2042 Operator's manual

Documentation
KM2042
Sixteen channel digital output module with D-Sub Connector
2.0.0
2017-11-20
Version:
Date:

Table of contents
KM2042 3Version: 2.0.0
Table of contents
1 Foreword ....................................................................................................................................................5
1.1 Notes on the documentation........................................................................................................... 5
1.2 Safety instructions .......................................................................................................................... 6
1.3 Documentation Issue Status........................................................................................................... 7
2 Product overview.......................................................................................................................................8
2.1 Introduction ..................................................................................................................................... 8
2.2 Technical Data................................................................................................................................ 9
3 Mounting and wiring ...............................................................................................................................10
3.1 Recommended mounting rails ...................................................................................................... 10
3.2 Mounting and demounting - terminals with front unlocking........................................................... 10
3.3 Dimensions ................................................................................................................................... 12
3.4 Connection.................................................................................................................................... 13
4 Appendix ..................................................................................................................................................14
4.1 Support and Service ..................................................................................................................... 14

Table of contents
KM20424 Version: 2.0.0

Foreword
KM2042 5Version: 2.0.0
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®, EtherCAT®, Safety over EtherCAT®, TwinSAFE®, XFC® and XTS® 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, DE102004044764, DE102007017835 with corresponding applications or
registrations in various other countries.
The TwinCAT Technology is covered, including but not limited to the following patent applications and
patents: EP0851348, US6167425 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
KM20426 Version: 2.0.0
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 symbols
In this documentation the following symbols are used with an accompanying safety instruction or note. The
safety instructions must be read carefully and followed without fail!
DANGER
Serious risk of injury!
Failure to follow the safety instructions associated with this symbol directly endangers the
life and health of persons.
WARNING
Risk of injury!
Failure to follow the safety instructions associated with this symbol endangers the life and
health of persons.
CAUTION
Personal injuries!
Failure to follow the safety instructions associated with this symbol can lead to injuries to
persons.
Attention
Damage to the environment or devices
Failure to follow the instructions associated with this symbol can lead to damage to the en-
vironment or equipment.
Note
Tip or pointer
This symbol indicates information that contributes to better understanding.

Foreword
KM2042 7Version: 2.0.0
1.3 Documentation Issue Status
Version Comment
2.0.0 • Migration
1.0.0 • First release
Firmware and hardware versions
Documentation, version Firmware version Hardware version
2.0.0 00 03
1.0.0 00 01
The firmware and hardware versions (delivery state) can be taken from the serial number printed on the side
of the terminal module.
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 ser. no.: 31 09 00 01:
31 - week of production 31
09 - year of production 2009
00 - firmware version 00
01 - hardware version 01

Product overview
KM20428 Version: 2.0.0
2 Product overview
2.1 Introduction
Fig.1: KM2042
The KM2042 Terminal Module combines 16 digital outputs in a Sub-D plug connector in a compact design.
The binary control signals are transferred (electrically isolated) to the actuators at the process level.
Like the standard Bus Terminals, the terminal modules are integrated in the I/O system.

Product overview
KM2042 9Version: 2.0.0
2.2 Technical Data
Technical Data KM2042
Number of outputs 16
Rated load voltage 24VDC (-15 %/+20 %)
Load type ohmic, inductive, lamp load
Output current max. 0.5A on each channel, individually short-circuit proof,
Total current max. 4A
Short circuit current 0.6…1.0A
Breaking energy (ind.) < 150 mJ/channel
Electrical isolation 500V (K-bus/field voltage)
Power supply for the electronics via the K-bus
Current consumption from the K-bus typically 5mA
Width of a bus terminal block Maximum 64 standard Bus Terminals or 80cm
(one KM2042 corresponds to 2 standard Bus Terminals here)
Data width in the input process image 0bit
Data width in the output process image 16bit
Dimensions without antenna (W x H x D) approx. 26.5mmx100mmx70mm (width aligned: 24mm)
Weight app.90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
Mounting [}10] on a 35mm mounting rail [}10] (e.g.DIN rail TH35-7.5
conforming 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 IP 20
Installation position variable
Approval CE

Mounting and wiring
KM204210 Version: 2.0.0
3 Mounting and wiring
3.1 Recommended mounting rails
Terminal Modules und EtherCAT Modules of KMxxxx and EMxxxx series, same as the terminals of the
EL66xx and EL67xx series can be snapped onto the following recommended mounting rails:
• DIN Rail TH35-7.5 with 1mm material thickness (according to EN60715)
• DIN Rail TH35-15 with 1,5mm material thickness
Note
Pay attention to the material thickness of the DIN Rail
Terminal Modules und EtherCAT Modules of KMxxxx and EMxxxx series, same as the ter-
minals of the EL66xx and EL67xx seriesdoes not fit to the DIN Rail TH35-15 with 2,2 to
2,5mm material thickness (according to EN60715)!
3.2 Mounting and demounting - terminals with front
unlocking
The terminal modules are fastened to the assembly surface with the aid of a 35 mm mounting rail (e.g.
mounting rail TH 35-15).
Note
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 con-
flict with the fixing bolts of the mounting rail. To mount the recommended mounting rails un-
der the terminals and couplers, you should use flat mounting connections (e.g. countersunk
screws or blind rivets).
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!
Mounting
• Fit the mounting rail to the planned assembly location.