Beckhoff EL3101, EL3104, EL3102, EL3112, EL3112-0011 Documentation

Documentation

EL31xx-00xx

Analog Input Terminals (16 Bit)

5.9
2018-08-28

Version:
Date:

Table of contents

EL31xx-00xx 3Version: 5.9

Table of contents

1 Foreword ....................................................................................................................................................7

1.1 Product overview Analog Input Terminals .........................................................................................7

1.2 Notes on the documentation..............................................................................................................8

1.3 Safety instructions .............................................................................................................................9

1.4 Documentation issue status ............................................................................................................10

1.5 Version identification of EtherCAT devices .....................................................................................11

2 Product overview.....................................................................................................................................16

2.1 EL310x ............................................................................................................................................16

2.1.1 EL310x - Introduction....................................................................................................... 16

2.1.2 EL310x - Technical data .................................................................................................. 17

2.2 EL311x ............................................................................................................................................18

2.2.1 EL311x - Introduction....................................................................................................... 18

2.2.2 EL311x - Technical data .................................................................................................. 19

2.3 EL312x ............................................................................................................................................20

2.3.1 EL312x - Introduction....................................................................................................... 20

2.3.2 EL312x - Technical data .................................................................................................. 21

2.4 EL314x ............................................................................................................................................22

2.4.1 EL314x - Introduction....................................................................................................... 22

2.4.2 EL314x - Technical data .................................................................................................. 23

2.5 EL315x ............................................................................................................................................24

2.5.1 EL315x - Introduction....................................................................................................... 24

2.5.2 EL315x - Technical data .................................................................................................. 25

2.6 EL316x ............................................................................................................................................26

2.6.1 EL316x - Introduction....................................................................................................... 26

2.6.2 EL316x - Technical data .................................................................................................. 27

2.7 EL3174, EL3174-00xx .....................................................................................................................28

2.7.1 EL3174, EL3174-00xx - Introduction ............................................................................... 28

2.7.2 EL3174, EL3174-0090 - Technical data .......................................................................... 30

2.7.3 EL3174-0002, EL3174-0032 - Technical data ................................................................. 31

2.8 Start .................................................................................................................................................32

3 Basics communication ...........................................................................................................................33

3.1 EtherCAT basics..............................................................................................................................33

3.2 EtherCAT cabling – wire-bound.......................................................................................................33

3.3 General notes for setting the watchdog...........................................................................................34

3.4 EtherCAT State Machine.................................................................................................................36

3.5 CoE Interface...................................................................................................................................38

3.6 Distributed Clock .............................................................................................................................42

4 Mounting and wiring................................................................................................................................43

4.1 Instructions for ESD protection........................................................................................................43

4.2 Installation on mounting rails ...........................................................................................................43

4.3 Installation instructions for enhanced mechanical load capacity .....................................................47

4.4 Connection system ..........................................................................................................................47

4.5 Installation positions ........................................................................................................................50

Table of contents

EL31xx-00xx4 Version: 5.9

4.6 Positioning of passive Terminals .....................................................................................................53

4.7 ATEX - Special conditions (standard temperature range) ...............................................................54

4.8 ATEX - Special conditions (extended temperature range) ..............................................................55

4.9 ATEX Documentation ......................................................................................................................56

4.10 UL notice .........................................................................................................................................56

4.11 LEDs and connection ......................................................................................................................58

4.11.1 EL310x - LEDs and connection ....................................................................................... 58

4.11.2 EL311x - LEDs and connection ....................................................................................... 61

4.11.3 EL312x - LEDs and connection ....................................................................................... 64

4.11.4 EL314x - LEDs and connection ....................................................................................... 68

4.11.5 EL315x - LEDs and connection ....................................................................................... 71

4.11.6 EL316x - LEDs and connection ....................................................................................... 74

4.11.7 EL3174, EL3174-00xx - LEDs and connection................................................................ 77

4.12 Connection notes for 20 mA measurement .....................................................................................78

4.12.1 Configuration of 0/4..20 mA differential inputs................................................................. 78

5 Commissioning........................................................................................................................................83

5.1 NAMUR basic information ...............................................................................................................83

5.2 Notices on analog specifications .....................................................................................................84

5.2.1 Full scale value (FSV)...................................................................................................... 84

5.2.2 Measuring error/ measurement deviation ........................................................................ 84

5.2.3 Temperature coefficient tK [ppm/K] ................................................................................. 85

5.2.4 Single-ended/differential typification ................................................................................ 86

5.2.5 Common-mode voltage and reference ground (based on differential inputs).................. 91

5.2.6 Dielectric strength ............................................................................................................ 91

5.2.7 Temporal aspects of analog/digital conversion................................................................ 92

5.3 TwinCAT Quick Start .......................................................................................................................95

5.3.1 TwinCAT2 ....................................................................................................................... 97

5.3.2 TwinCAT 3 ..................................................................................................................... 107

5.4 TwinCAT Development Environment ............................................................................................119

5.4.1 Installation of the TwinCAT real-time driver................................................................... 119

5.4.2 Notes regarding ESI device description......................................................................... 125

5.4.3 TwinCAT ESI Updater ................................................................................................... 129

5.4.4 Distinction between Online and Offline.......................................................................... 129

5.4.5 OFFLINE configuration creation .................................................................................... 130

5.4.6 ONLINE configuration creation ...................................................................................... 135

5.4.7 EtherCAT subscriber configuration................................................................................ 143

5.5 General Notes - EtherCAT Slave Application................................................................................153

5.6 Process data and operation modes...............................................................................................161

5.6.1 Parameterization............................................................................................................ 161

5.6.2 Settings and operating modes ....................................................................................... 161

5.6.3 Process data.................................................................................................................. 169

5.6.4 Data stream and measurement ranges ......................................................................... 177

5.6.5 Fast mode...................................................................................................................... 184

5.7 TwinSAFE SC................................................................................................................................186

5.7.1 TwinSAFE SC operating principle ................................................................................ 186

5.7.2 TwinSAFE SC configuration .......................................................................................... 187

Table of contents

EL31xx-00xx 5Version: 5.9

5.7.3 TwinSAFE SC process data EL31x4-0090.................................................................... 191

5.8 CoE object description and parameterization................................................................................191

5.8.1 Restore object................................................................................................................ 192

5.8.2 Configuration data ......................................................................................................... 192

5.8.3 Input data....................................................................................................................... 196

5.8.4 Output data .................................................................................................................... 197

5.8.5 Standard objects............................................................................................................ 197

5.8.6 Objects TwinSAFE Single Channel (EL31x4-0090) ...................................................... 203

5.9 Error messages and diagnosis ......................................................................................................204

6 Appendix ................................................................................................................................................206

6.1 EtherCAT AL Status Codes...........................................................................................................206

6.2 Firmware compatibility...................................................................................................................206

6.3 Firmware Update EL/ES/EM/EPxxxx ............................................................................................211

6.3.1 Device description ESI file/XML..................................................................................... 212

6.3.2 Firmware explanation .................................................................................................... 215

6.3.3 Updating controller firmware *.efw................................................................................. 216

6.3.4 FPGA firmware *.rbf....................................................................................................... 217

6.3.5 Simultaneous updating of several EtherCAT devices.................................................... 221

6.4 Restoring the delivery state ...........................................................................................................222

6.5 Support and Service ......................................................................................................................223

Table of contents

EL31xx-00xx6 Version: 5.9

Foreword

EL31xx-00xx 7Version: 5.9

1 Foreword

1.1 Product overview Analog Input Terminals

EL3101, EL3102, EL3104 [}16]

1, 2 and 4 channel, -10V to +10V, differential input

EL3111, EL3112, EL3114 [}18]

1, 2 and 4 channel, 0mA to 20mA, differential input

EL3112-0011 [}18]

2 channel, -20mA to 20mA, differential input

EL3121, EL3122, EL3124 [}20]

1, 2 and 4 channel, 4mA to 20mA, differential input

EL3124-0090 [}20]

4 channel, 4mA to 20mA, differential input, TwinSAFE Single Channel

EL3141, EL3142, EL3144 [}22]

1, 2 and 4 channel, 0mA to 20mA, single ended

EL3142-0010 [}22]

2 channel, -10mA to +10mA, single ended

EL3151, EL3152, EL3154 [}24]

1, 2 and 4 channel, 4mA to 20mA, single ended

EL3161, EL3162, EL3164 [}26]

1, 2 and 4 channel, 0V to 10V, single ended

EL3174 [}28]

4 channel, -10/0…+10V, -20/0/+4…+20mA, switchable, single-ended/ differential input

EL3174-0002 [}28]

4 channel, -10/0…+10V, -20/0/+4…+20mA, switchable, differential input, electrically isolated

EL3174-0032 [}28]

4 channel, -3/0…+3V, -20/0/+4…+20mA, switchable, differential input, electrically isolated

EL3174-0090 [}28]

4 channel, -10/0…+10V, -20/0/+4…+20mA, switchable, single-ended/ differential input,
TwinSAFE Single Channel

Foreword

EL31xx-00xx8 Version: 5.9

1.2 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

EL31xx-00xx 9Version: 5.9

1.3 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

EL31xx-00xx10 Version: 5.9

1.4 Documentation issue status

Version Comment

5.9 • Update chapter "Process data and operation modes”

• Update revision status

5.8 • Addenda EL3174-0090

5.7 • Update chapter "Commissioning”

5.6 • Addenda EL3124-0090

• Addenda EL3174-0032

• Update chapter "Technical data"

• Update chapter "Commissioning”

• Update revision status

5.5 • Addenda EL3112-0011

• Update chapter "Technical data"

• Update revision status

5.4 • Update chapter "Process data and operation modes”

5.3 • Update chapter "Technical data"

• Addenda chapter "Instructions for ESD protection"

• Update chapter "Notices on Analog specification"

• Update revision status

5.2 • Update chapter "Technical data"

• Several corrections

5.1 • Addenda of EL3174 and EL3174-0002

• Update chapter "Technical data"

5.0 • Migration

• Update structure

• Update revision status

4.5 • Update chapter "Technical data"

• Addenda chapter "Installation instructions for enhanced mechanical load capacity"

• Update structure

• Update revision status

4.4 • Update chapter "Technical data"

• Update chapter "Analog specification"

• Update structure

• Update firmware status

4.3 • Update chapter "Technical data"

• Update chapter "Object description"

• Update chapter "Process data"

• Update structure

• Update firmware status

4.2 • Update chapter "Technical data"

• Update firmware status

4.1 • Update chapter "LEDs and connection"

• Update firmware status

Foreword

EL31xx-00xx 11Version: 5.9

Version Comment

4.0 • Update chapter "Configuration of 0/4..20 mA differential inputs"

• Update firmware status

3.9 • Update Technical data

• Update Fast mode description

3.8 • Update Technical data

3.7 • Update Technical data

3.6 • Update Technical data

3.5 • Update connection diagrams

3.4 • Addenda chapter "Configuration of 0/4..20 mA differential inputs"

3.3 • Update chapter "Introduction" and "LEDs and connection"

3.2 • Addenda chapter "LEDs and connection"

3.1 • Update chapter "LEDs and connection"

3.0 • Restructuring

• 1 and 4 channel terminals added

2.3 • Addenda LED information

2.2 • Technical data and safety instructions added

2.1 • Basic function principles added

2.0 • Addenda Object description, firmware/hardware versions

1.1 • EL3142-0010 description amended, technical data corrected

1.0 • Description of filter settings amended (object description)

0.1 • Provisional documentation for EL31x2

1.5 Version identification of EtherCAT devices

Designation

A Beckhoff EtherCAT device has a 14-digit designation, made up of

• family key

• type

• version

• revision

Example Family Type Version Revision

EL3314-0000-0016 EL terminal

(12 mm, non­pluggable connection
level)

3314 (4-channel thermocouple
terminal)

0000 (basic type) 0016

ES3602-0010-0017 ES terminal

(12 mm, pluggable
connection level)

3602 (2-channel voltage
measurement)

0010 (high­precision version)

0017

CU2008-0000-0000 CU device 2008 (8-port fast ethernet switch) 0000 (basic type) 0000

Notes

• The elements mentioned above result in the technical designation. EL3314-0000-0016 is used in the
example below.

• EL3314-0000 is the order identifier, in the case of “-0000” usually abbreviated to EL3314. “-0016” is the
EtherCAT revision.

• The order identifier is made up of

- family key (EL, EP, CU, ES, KL, CX, etc.)

- type (3314)

- version (-0000)

• The revision -0016 shows the technical progress, such as the extension of features with regard to the
EtherCAT communication, and is managed by Beckhoff.
In principle, a device with a higher revision can replace a device with a lower revision, unless specified

Foreword

EL31xx-00xx12 Version: 5.9

otherwise, e.g. in the documentation.
Associated and synonymous with each revision there is usually a description (ESI, EtherCAT Slave
Information) in the form of an XML file, which is available for download from the Beckhoff web site.
From 2014/01 the revision is shown on the outside of the IP20 terminals, see Fig. “EL5021 EL terminal,
standard IP20 IO device with batch number and revision ID (since 2014/01)”.

• The type, version and revision are read as decimal numbers, even if they are technically saved in
hexadecimal.

Identification number

Beckhoff EtherCAT devices from the different lines have different kinds of identification numbers:

Production lot/batch number/serial number/date code/D number

The serial number for Beckhoff IO devices is usually the 8-digit number printed on the device or on a sticker.
The serial number indicates the configuration in delivery state and therefore refers to a whole production
batch, without distinguishing the individual modules of a batch.

Structure of the serial number: KKYYFFHH

KK - week of production (CW, calendar week)
YY - year of production
FF - firmware version
HH - hardware version

Example with
Ser. no.: 12063A02: 12 - production week 12 06 - production year 2006 3A - firmware version 3A 02 ­hardware version 02

Exceptions can occur in the IP67 area, where the following syntax can be used (see respective device
documentation):

Syntax: D ww yy x y z u

D - prefix designation
ww - calendar week
yy - year
x - firmware version of the bus PCB
y - hardware version of the bus PCB
z - firmware version of the I/O PCB
u - hardware version of the I/O PCB

Example: D.22081501 calendar week 22 of the year 2008 firmware version of bus PCB: 1 hardware version
of bus PCB: 5 firmware version of I/O PCB: 0 (no firmware necessary for this PCB) hardware version of I/O
PCB: 1

Unique serial number/ID, ID number

In addition, in some series each individual module has its own unique serial number.

See also the further documentation in the area

• IP67: EtherCAT Box

• Safety: TwinSafe

• Terminals with factory calibration certificate and other measuring terminals

Foreword

EL31xx-00xx 13Version: 5.9

Examples of markings

Fig.1: EL5021 EL terminal, standard IP20 IO device with serial/ batch number and revision ID (since
2014/01)

Fig.2: EK1100 EtherCAT coupler, standard IP20 IO device with serial/ batch number

Fig.3: CU2016 switch with serial/ batch number

Foreword

EL31xx-00xx14 Version: 5.9

Fig.4: EL3202-0020 with serial/ batch number 26131006 and unique ID-number 204418

Fig.5: EP1258-00001 IP67 EtherCAT Box with batch number/ date code 22090101 and unique serial
number 158102

Fig.6: EP1908-0002 IP67 EtherCAT Safety Box with batch number/ date code 071201FF and unique serial
number 00346070

Fig.7: EL2904 IP20 safety terminal with batch number/ date code 50110302 and unique serial number
00331701

Foreword

EL31xx-00xx 15Version: 5.9

Fig.8: ELM3604-0002 terminal with unique ID number (QR code) 100001051 and serial/ batch number
44160201

Product overview

EL31xx-00xx16 Version: 5.9

2 Product overview

2.1 EL310x

2.1.1 EL310x - Introduction

Fig.9: EL310x

1, 2 and 4 channel analog input terminals -10…+10V, differential inputs, 16bit

The EL310x analog input terminals measure input voltages from -10 to +10 V.

The significantly faster conversion time and support for distributed clocks enable use in time-critical
applications and set them apart from the EL30xx series.

The differential inputs of the EL3101/EL3102 have the same reference ground, which is not connected to the
power contacts.
In the EL3104, the common reference ground is connected to the 0V power contact.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}58]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx 17Version: 5.9

2.1.2 EL310x - Technical data

Technical data EL3101 EL3102 EL3104

analog inputs 1 (differential) 2 (differential) 4 (differential)

Signal voltage -10V...+10V

Distributed Clocks yes

yes (from rev.
EL310x-0000-0017 [}206])

yes

Distributed Clocks precision << 1µs

Internal resistance >200kΩ

Input filter limit frequency 5kHz

Common mode voltage U

cm

max. 35V (referring to internal GND) max. 35V (referring to power con-

tact)

Conversion time (without filter) approx. 40µs approx. 60µs (Fast mode: ap-

prox. 40µs)

approx. 100µs

Resolution 16bit (including sign)

Measuring error (full measuring
range)

< ± 0.3% (at 0 °C ... +55 °C, relative to the full scale value)
< ± 0.5% (when the extended temperature range is used)

Supply voltage for electronic via the E-bus

Current consumption via E-bus typ. 130mA typ. 170mA typ. 130mA

Electrical isolation 500V (E-bus/field voltage)

Bit width of the process image (de­fault setting)

Inputs: 1 x 16bit;
Status: 1 x 8bit

Inputs: 2 x 16bit;
Status: 2 x 8bit

Inputs: 4 x 16bit;
Status: 4 x 8bit

Configuration no address or configuration settings required

Weight approx. 60g approx. 65g

Permissible ambient temperature
range during operation

-25°C ... +60°C (extended temperature range)

Permissible ambient temperature
range during storage

-40°C ... +85°C

Permissible relative humidity 95%, no condensation

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12mm)

Mounting [}43]

on 35 mm mounting rail conforms to EN 60715

Vibration/shock resistance according to EN 60068-2-6/EN 60068-2-27,

see also Installation instructions [}47] for terminals with increased mechanical load capacity

EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4

Protection class IP20

Installation position variable

Approval CE

ATEX [}55]
cULus [}56]

Product overview

EL31xx-00xx18 Version: 5.9

2.2 EL311x

2.2.1 EL311x - Introduction

Fig.10: EL311x

1, 2 and 4 channel analog input terminals 0…20 mA, differential inputs, 16bit

The EL311x analog input terminals measure input currents from 0 to 20 mA.

The significantly faster conversion time and support for distributed clocks enable use in time-critical
applications and set them apart from the EL30xx series.
Overcurrent is displayed not only in the process image, but also by an error LED for each channel.

The differential inputs of the EL3111/EL3112 have the same reference ground, which is not connected to the
power contacts.
The 2 channel EL3112-0011 terminal has an input current range from -20 mA to +20 mA.
In the EL3114, the common reference ground is connected to the 0V power contact.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}61]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx 19Version: 5.9

2.2.2 EL311x - Technical data

Technical data EL3111 EL3112 EL3112-0011 EL3114

analog inputs 1 (differential) 2 (differential) 4 (differential)

Signal current 0mA…20mA -20 mA…20 mA 0 mA…20 mA

Distributed Clocks yes

yes (from rev.

EL311x-0000-0017
[}206])

yes yes

Distributed Clocks preci­sion

<< 1µs

Internal resistance 85Ω type. + diode voltage

Input filter limit frequency 5kHz

Common mode voltage
U

cm

max. 10V

Conversion time (default
setting: 50 Hz filter)

approx. 40µs approx. 50µs (Fast mode: approx. 35µs) approx. 100µs

Resolution 16bit (including sign)

Measuring error (full
measuring range)

< ± 0.3% (at 0 °C ... +55 °C, relative to the full scale value)
< ± 0.5% (when the extended temperature range is used)

Supply voltage for elec­tronic

via the E-bus

Current consumption via
E-bus

typ. 130mA typ. 170mA typ. 130mA

Electrical isolation 500V (E-bus/field voltage)

Bit width of the process
image (default setting)

Inputs: 1 x 16bit;
Status: 1 x 8bit

Inputs: 2 x 16bit;
Status: 2 x 8bit

Inputs: 4 x 16bit;
Status: 4 x 8bit

Configuration no address or configuration settings required

Weight approx. 55g

Permissible ambient tem­perature range during op­eration

-25°C ... +60°C (extended temperature range)

Permissible ambient tem­perature range during
storage

-40°C ... +85°C

Permissible relative hu­midity

95%, no condensation

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12mm)

Mounting [}43]

on 35 mm mounting rail conforms to EN 60715

Vibration/shock resis­tance

conforms to EN 60068-2-6 / EN 60068-2-27,
see also Installation instructions for terminals with increased mechanical load capacity [}47]

EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4

Protection class IP20

Installation position variable

Approval CE

ATEX [}55]
cULus [}56]

Product overview

EL31xx-00xx20 Version: 5.9

2.3 EL312x

2.3.1 EL312x - Introduction

Fig.11: EL312x

1, 2 and 4 channel analog input terminals 4…20 mA, differential input, 16bit

The EL312x analog input terminals measure input currents from 4 to 20mA.

The significantly faster conversion time and support for distributed clocks enable use in time-critical
applications and set them apart from the EL30xx series.
Overcurrent and undercurrent are displayed not only in the process image, but also by an error LED for each
channel.

The differential inputs of the EL3121/EL3122 have the same reference ground, which is not connected to the
power contacts.
In the EL3124, the common reference ground is connected to the 0V power contact.

In addition to the full functionality of the EL3124, the EL3124-0090 supports TwinSAFE SC (Single Channel)
technology. This enables the use of standard signals for safety tasks in any networks of fieldbuses.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}64]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx 21Version: 5.9

2.3.2 EL312x - Technical data

Technical data EL3121 EL3122 EL3124 EL3124-0090

analog inputs 1 (differential) 2 (differential) 4 (differential)

Signal current 4mA…20mA

Distributed Clocks yes

yes (from rev.

EL312x-0000-0017
[}206])

yes

Distributed Clocks precision << 1µs

Internal resistance 85Ω type. + diode voltage

Input filter limit frequency 5kHz

Common mode voltage U

cm

max. 10V

Conversion time (default setting:
50Hz filter)

approx. 40µs approx. 50µs (Fast

mode: approx. 35µs)

approx. 100µs

Resolution 16bit (including sign)

Measuring error (full measuring
range)

< ± 0.3% (at 0 °C ... +55 °C, relative to the full scale value)
< ± 0.5% (when the extended temperature range is used)

< ± 0.3% (relative to the
full scale value)

Supply voltage for electronic via the E-bus

Current consumption via E-bus typ. 130mA typ. 170mA typ. 130mA

Electrical isolation 500V (E-bus/field voltage)

Bit width of the process image (de­fault setting)

Inputs: 1 x 16bit;
Status: 1 x 8bit

Inputs: 2 x 16bit;
Status: 2 x 8bit

Inputs: 4 x 16bit;
Status: 4 x 8bit

Configuration no address or configuration settings required

MTBF (+55°C) - > 950.000h

Weight approx. 55g approx. 60g

Permissible ambient temperature
range during operation

-25°C ... +60°C (extended temperature range) 0°C ... +55°C

Permissible ambient temperature
range during storage

-40°C ... +85°C -25°C ... +85°C

Permissible relative humidity 95%, no condensation

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12mm)

Mounting [}43]

on 35 mm mounting rail conforms to EN 60715

Vibration/shock resistance conforms to EN 60068-2-6 / EN 60068-2-27,

see also Installation instructions for enhanced mechanical load capacitiy [}47]

EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4

Protection class IP20

Installation position variable

Approval CE

ATEX [}55]
cULus [}56]

CE

ATEX [}54]
cULus [}56]

Product overview

EL31xx-00xx22 Version: 5.9

2.4 EL314x

2.4.1 EL314x - Introduction

Fig.12: EL314x

1, 2 and 4 channel analog input terminals 0…20mA, single-ended, 16bit

The EL314x analog input terminals measure input currents from 0 to 20 mA. The EL3142-0010 has an input
current range from -10 mA to +10mA.

The significantly faster conversion time and support for distributed clocks enable use in time-critical
applications and set them apart from the EL30xx series.
Overcurrent is displayed not only in the process image, but also by an error LED for each channel.

In the EL3141/EL3142, the 0V power contact is the reference potential for the inputs.
In the EL3144, the inputs are implemented in 2-wire technology and have a common, internal ground
potential, which is not connected to the power contacts.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}68]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx 23Version: 5.9

2.4.2 EL314x - Technical data

Technical data EL3141-0000 EL3142-0000 EL3142-0010 EL3144-0000

analog inputs 1 (single ended) 2 (single ended) 4 (single ended)

Signal current 0mA…20mA 0mA…20mA -10mA…+10mA 0mA…20mA

Distributed Clocks yes

yes (from rev.

EL314x-0000-0017
[}206])

yes (from rev.
EL314x-0010-0017 [}206])

yes

Distributed Clocks preci­sion

<< 1µs

Internal resistance 85Ω type. + diode voltage

Input filter limit frequency 5kHz

Dielectric strength max. 30V

Conversion time (default
setting: 50 Hz filter)

approx. 40µs approx. 60µs

(Fast mode: approx. 40µs)

approx. 100µs

Resolution 16bit (including sign)

Measuring error (full mea­suring range)

< ± 0.3% (at 0 °C ... +55 °C, relative to
the full scale value)
< ± 0.5% (when the extended tempera­ture range is used)

< ± 0.3% (at 0 °C ... +55
°C, relative to the full scale
value)

< ± 0.3% (at 0 °C ... +55
°C, relative to the full scale
value)
< ± 0.5% (when the ex­tended temperature range
is used)

Supply voltage for elec­tronic

via the E-bus

Current consumption via
E-bus

typ. 130mA typ. 170mA typ. 170mA typ. 130mA

Electrical isolation 500V (E-bus/field voltage)

Bit width of the process im­age (default setting)

Inputs: 1 x
16bit;
Status: 1 x 8bit

Inputs: 2 x 16bit;
Status: 2 x 8bit

Inputs: 4 x 16bit;
Status: 4 x 8bit

Configuration no address or configuration settings required

Weight approx. 55g

Permissible ambient tem­perature range during op­eration

-25°C ... +60°C (extended temperature range)

Permissible ambient tem­perature range during stor­age

-40°C ... +85°C

Permissible relative humid­ity

95%, no condensation

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12mm)

Mounting [}43]

on 35 mm mounting rail conforms to EN 60715

Vibration/shock resistance conforms to EN 60068-2-6 / EN 60068-2-27,

see also Installation instructions for enhanced mechanical load capacitiy [}47]

EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4

Protection class IP20

Installation position variable

Approval CE

ATEX [}55]
cULus [}56]

CE

cULus [}56]

CE

ATEX [}55]
cULus [}56]

Product overview

EL31xx-00xx24 Version: 5.9

2.5 EL315x

2.5.1 EL315x - Introduction

Fig.13: EL315x

1, 2 and 4 channel analog input terminals 4…20mA, single-ended, 16bit

The EL315x analog input terminals measure input currents from 4 to 20 mA.

The significantly faster conversion time and support for distributed clocks enable use in time-critical
applications and set them apart from the EL30xx series.
Overcurrent and undercurrent are displayed not only in the process image, but also by an error LED for each
channel.

In the EL3151/EL3152, the 0V power contact is the reference potential for the inputs.
In the EL3154 with four inputs, the 24V power contact is connected to the terminal in order to enable
connection of 2-wire sensors without external supply. In the EL3154, the reference ground is connected to
the 0V power contact.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}71]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx 25Version: 5.9

2.5.2 EL315x - Technical data

Technical data EL3151 EL3152 EL3154

analog inputs 1 (single ended) 2 (single ended) 4 (single ended)

Signal current 4mA…20mA

Distributed Clocks yes

yes (from rev.
EL315x-0000-0017 [}206])

yes

Distributed Clocks precision << 1µs

Internal resistance 85Ω type. + diode voltage

Input filter limit frequency 5kHz

Dielectric strength max. 30V

Conversion time (default setting:
50 Hz filter)

approx. 40µs approx. 60µs

(Fast mode: approx. 40µs)

approx. 100µs

Resolution 16bit (including sign)

Measuring error (full measuring
range)

< ± 0.3% (at 0 °C ... +55 °C, relative to the full scale value)
< ± 0.5% (when the extended temperature range is used)

Supply voltage for internal elec­tronic

via the E-bus

Current consumption via E-bus typ. 130mA typ. 170mA typ. 130mA

Electrical isolation 500 V (E-bus/field voltage)

Bit width of the process image
(default setting)

Inputs: 1 x 16bit;
Status: 1 x 8bit

Inputs: 2 x 16bit;
Status: 2 x 8bit

Inputs: 4 x 16bit;
Status: 4 x 8bit

Configuration no address or configuration settings required

Weight approx. 60g

Permissible ambient temperature
range during operation

-25°C ... +60°C (extended temperature range)

Permissible ambient temperature
range during storage

-40°C ... +85°C

Permissible relative humidity 95%, no condensation

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12mm)

Mounting [}43]

on 35mm mounting rail conforms to EN 60715

Vibration/shock resistance according to EN 60068-2-6/EN 60068-2-27,

see also Installation instructions [}47] for terminals with increased mechanical load capacity

EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4

Protection class IP20

Installation position variable

Approval CE

ATEX [}55]
cULus [}56]

Product overview

EL31xx-00xx26 Version: 5.9

2.6 EL316x

2.6.1 EL316x - Introduction

Fig.14: EL316x

1, 2 and 4 channel analog input terminals 0…10 V, single-ended, 16bit

The EL316x analog input terminals measure input voltages from 0 to 10 V.

The significantly faster conversion time and support for distributed clocks enable use in time-critical
applications and set them apart from the EL30xx series.
Overrange and limit evaluation are displayed via the process data.

The inputs of the EL3161/EL3162 have a common reference potential, which is connected to the 0V power
contact.
In the EL3164, the inputs are implemented in 2-wire technology and have a common, internal ground
potential, which is not connected to the power contacts.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}74]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx 27Version: 5.9

2.6.2 EL316x - Technical data

Technical data EL3161 EL3162 EL3164

analog inputs 1 (single ended) 2 (single ended) 4 (single ended)

Signal voltage 0...10V

Distributed Clocks yes

yes (from rev.
EL316x-0000-0017 [}206])

yes

Distributed Clocks precision << 1µs

Internal resistance >200kΩ

Input filter limit frequency 5kHz

Dielectric strength max. 30V

Conversion time (default setting: 50 Hz
filter)

approx. 35µs approx. 50µs approx. 100µs

Resolution 16bit (including sign)

Measuring error (full measuring range) < ±0.3 % (relative to full scale value)

Supply voltage for electronic via the E-bus

Current consumption via E-bus typ. 130mA typ. 170mA typ. 130mA

Electrical isolation 500 V (E-bus/field voltage)

Bit width of the process image (default
setting)

Inputs: 1 x 16bit;
Status: 1 x 8bit

Inputs: 2 x 16bit;
Status: 2 x 8bit

Inputs: 4 x 16bit;
Status: 4 x 8bit

Configuration no address or configuration settings required

Weight approx. 60g approx. 65g

Permissible ambient temperature range
during operation

0°C ... +55°C

Permissible ambient temperature range
during storage

-25°C ... +85°C

Permissible relative humidity 95%, no condensation

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12mm)

Mounting [}43]

on 35mm mounting rail conforms to EN 60715

Vibration/shock resistance conforms to EN 60068-2-6 / EN 60068-2-27,

see also Installation instructions for enhanced mechanical load capacitiy [}47]

EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4

Protection class IP20

Installation position variable

Approval CE

ATEX [}54]
cULus [}56]

Product overview

EL31xx-00xx28 Version: 5.9

2.7 EL3174, EL3174-00xx

2.7.1 EL3174, EL3174-00xx - Introduction

Fig.15: EL3174, EL3174-0090

Fig.16: EL3174-0002, EL3174-0032

Product overview

EL31xx-00xx 29Version: 5.9

4-channel analog input, -10/0…+10 V (-3/0...+3V), -20/0/+4…+20 mA, 16 bit

The EL3174, EL3174-0090 and EL3174‑0002 analog input terminal has four individually parameterisable
inputs. Signals in the range from -10/0 to +10V or -20/0/+4 to +20mA can be processed per channel. The
EL3174‑0032 measurement ranges are identical but for voltage from -3V to + 3V.

Each channel should be set by the controller/TwinCAT to U or I mode via CoE. The input voltage or the input
current will be digitalized with a resolution of 16 bit incl. sign and transported electrically isolated from the
fieldbus to the higher-level automation device. With a technical measuring range of ±107% of the nominal
range, the terminal also supports commissioning with sensor values in the limit range and diagnostics
according to NAMUR NE43.

In addition to the full functionality of the EL3174, the EL3174-0090 supports TwinSAFE SC (Single Channel)
technology. This enables the use of standard signals for safety tasks in any networks of fieldbuses.

• EL3174/ EL3174-0090:

◦ Feeding of Voltage and current signal on different terminal points

◦ The voltage inputs operate differential

◦ The current inputs operate single ended to reference ground

◦ EL3174-0090 additionally supports TwinSAFE SC technology

• EL3174‑0002/ EL3174‑0032:

◦ Common used inputs for voltage and current. After the terminal have been switched on, the

channel is in high impedance voltage mode and a connected, already operating current sensor
with mA output have to strain against the high liability as long as the channel is switched into the
mA operation mode via EtherCAT.

◦ The voltage inputs operate differential

◦ The current inputs operate differential

◦ The four differential inputs of the EL3174‑0002/ EL3174‑0032 are electrically isolated against each

other and against the fieldbus (2,500VDC testing voltage, 7 seconds production test).

107% Extended Range

The EL3174/ EL3174‑00xx are preconfigured to a measurement range of 107% (e.g. 0x7FFFcorre­spond to+10.737V or 3.22V accordingly). You also can reset to the legacy range by CoE access.
Then 0x7FFFcorrespond tothe full scale value or e.g. 10V (3V) as before.

Quick-Links

• EtherCAT basics

• Mounting and wiring [}43]

• Connection diagrams [}74]

• Process data and operating modes [}161]

• Object description and parameterization [}191]

Product overview

EL31xx-00xx30 Version: 5.9

2.7.2 EL3174, EL3174-0090 - Technical data

Technical data EL3174 EL3174-0090

Analog inputs 4 (U differential, I single-ended)

Conversion type simultaneous

ADC type SAR

Signal voltage -10/0…+10V

Signal current -20/0/+4…+20mA

Measuring range, nominal (Full
Scale Value)

Voltage measurement range -10/0…+10V

Current measurement range -20/0/+4…+20mA

Measuring range, technical Voltage measurement range -10.73…+10.73V

Current measurement range -21.47…+21.47mA

Measuring error
(full measuring range)

<±0.3% (relative to full scale value)

Distributed Clocks yes

Distributed Clocks precision << 1µs

Resolution 16bit (incl. sign)

Internal resistance Voltage measurement: >200kΩ | Current measurement: 85Ω typ.

Input filter limit frequency 5kHz

Common-mode voltage U

CM

35V max. (voltage measurement)

Minimal EtherCAT cycle time 200µs 500 µs

Overcurrent protection 50mA typ.

Bit width of the process image Inputs: 16Byte Inputs: 35 Byte

Outputs: 6 Byte

Configuration no address or configuration settings required

MTBF (+55°C) - >800.000 h

Special features U/I parameterisable, Extended Range, standard and compact

process image, activatable FIR/IIR filters
EL3174-0090 with TwinSAFE SC technology

Supply voltage for electronic via the E-bus

Current consumption via E-bus typ. 170mA

Electrical isolation 500V (E bus/ fieldbus voltage)

Recommended operating voltage
range (ground related to GND/ 0V
power contact)

Voltage measurement range UCM 35 V max.

Current measurement range single ended,

dielectric strength max. 30V

Recommended signal range Voltage measurement range Extended Range (107%), differential

Current measurement range Extended Range (107%), single ended

Destruction limit
(ground related to GND/ 0V
power contact)

Voltage measurement range 50 V

Current measurement range 30 V

Destruction limit
(differential)

Voltage measurement range 50V

Current measurement range n.a.

Weight approx. 65 g

Permissible ambient temperature range during operation 0…+55°C

Permissible ambient temperature range during storage -25…+85°C

Permissible relative humidity 95%, no condensation

Design HD (High Density) housing with signal LED

Dimensions (W x H x D) approx. 15mm x 100mm x 70mm (width aligned: 12 mm)

Mounting [}43]

on 35 mm mounting rail conforms 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

Approval CE

cULus [}56]