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EP3174-0092
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Beckhoff EP3162, EP3182, EP3174-0092, EP3184-0002, EP3184-1002 Documentation

...
Documentation
EP31xx
EtherCAT Box modules with analog inputs
Version: Date:
2.4 2019-12-18

Table of contents

Table of contents
1 Foreword ....................................................................................................................................................7
1.1 Notes on the documentation..............................................................................................................7
1.2 Safety instructions .............................................................................................................................8
1.3 Documentation issue status ..............................................................................................................9
2 Product overview.....................................................................................................................................11
2.1 EtherCAT Box - Introduction............................................................................................................11
2.2 Module overview..............................................................................................................................13
2.3 EP3162............................................................................................................................................14
2.3.1 EP3162 - Introduction ...................................................................................................... 14
2.3.2 EP3162 - Technical data ................................................................................................. 15
2.3.3 EP3162 - Scope of supply ............................................................................................... 17
2.3.4 EP3162 - Process image ................................................................................................. 17
2.4 EP3182............................................................................................................................................18
2.4.1 EP3182 - Introduction ...................................................................................................... 18
2.4.2 EP3182 - Technical data ................................................................................................. 19
2.4.3 EP3182 - Scope of supply ............................................................................................... 21
2.4.4 EP3182 - Process image ................................................................................................. 22
2.5 EP31x4 ............................................................................................................................................24
2.5.1 EP3174-0002 - Introduction............................................................................................. 24
2.5.2 EP3174-0092 - Introduction............................................................................................. 25
2.5.3 EP3184-0002 - Introduction............................................................................................. 26
2.5.4 EP3184-1002 - Introduction............................................................................................. 27
2.5.5 EP31x4 - Technical data.................................................................................................. 28
2.5.6 EP31x4 - Scope of supply ............................................................................................... 30
2.5.7 EP31x4 - Process image ................................................................................................. 30
2.5.8 EP3174-0092 – Process image (with TwinSAFE SC modules)....................................... 31
3 Mounting and cabling..............................................................................................................................32
3.1 Mounting..........................................................................................................................................32
3.1.1 Dimensions ...................................................................................................................... 32
3.1.2 Fixing ............................................................................................................................... 33
3.1.3 Tightening torques for plug connectors ........................................................................... 33
3.2 EtherCAT.........................................................................................................................................34
3.2.1 Connectors ...................................................................................................................... 34
3.2.2 Status LEDs..................................................................................................................... 35
3.2.3 Cables.............................................................................................................................. 35
3.3 Supply voltages ...............................................................................................................................36
3.3.1 Connectors ...................................................................................................................... 36
3.3.2 Status LEDs..................................................................................................................... 37
3.3.3 Conductor losses ............................................................................................................. 37
3.4 UL Requirements.............................................................................................................................38
3.5 ATEX notes .....................................................................................................................................39
3.5.1 ATEX - Special conditions ............................................................................................... 39
3.5.2 BG2000 - EtherCAT Box protection enclosures .............................................................. 40
3.5.3 ATEX Documentation ...................................................................................................... 41
Table of contents
3.6 EP3162-0002 - Electrical isolation of the channels .........................................................................42
3.7 EP3162-0002 – Signal connection and Status LEDs ......................................................................43
3.7.1 Analog voltage inputs M12, one single-ended input per socket ...................................... 43
3.7.2 M12 analog current inputs, one single-ended input per socket ....................................... 44
3.7.3 Status LEDs at the M12 connections............................................................................... 45
3.8 EP3174-00x2 - Signal connection and Status LEDs .......................................................................46
3.8.1 M12 analog voltage inputs, one differential input per socket........................................... 46
3.8.2 M12 analog current inputs, one differential input per socket ........................................... 46
3.8.3 Status LEDs at the M12 connections............................................................................... 47
3.9 EP3182-1002 – Signal connection and Status LEDs ......................................................................48
3.9.1 Analog voltage inputs, M12 digital output, one single-ended input and one digital output
per socket ........................................................................................................................ 48
3.9.2 Analog current inputs, M12 digital output, one single-ended input and one digital output
per socket ........................................................................................................................ 48
3.9.3 Status LEDs at the M12 connections............................................................................... 49
3.10 EP3184-0002 – Signal connection and Status LEDs ......................................................................49
3.10.1 Analog voltage inputs M12, one single-ended input per socket ...................................... 49
3.10.2 M12 analog current inputs, one single-ended input per socket ....................................... 50
3.10.3 Status LEDs at the M12 connections............................................................................... 50
3.11 EP3184-1002 – Signal connection and Status LEDs ......................................................................51
3.11.1 M12 analog voltage inputs, two single-ended inputs per socket ..................................... 51
3.11.2 M12 analog current inputs, two single-ended inputs per socket...................................... 51
3.11.3 Status LEDs at the M12 connections............................................................................... 52
4 Configuration ...........................................................................................................................................53
4.1 Inserting into the EtherCAT network................................................................................................53
4.2 Configuration via TwinCAT..............................................................................................................56
4.3 EtherCAT State Machine.................................................................................................................64
4.4 CoE interface...................................................................................................................................66
4.5 Notices on analog specifications .....................................................................................................71
4.6 EP31xx - Settings and operating modes .........................................................................................76
4.6.1 Settings............................................................................................................................ 76
4.6.2 Operation modes ............................................................................................................. 81
4.7 Data stream .....................................................................................................................................83
4.8 Measuring ranges............................................................................................................................84
4.9 Calibration .......................................................................................................................................85
4.10 Calculation of process data .............................................................................................................86
4.11 TwinSAFE SC..................................................................................................................................86
4.11.1 TwinSAFE SC - operating principle ................................................................................. 86
4.11.2 TwinSAFE SC - configuration.......................................................................................... 86
4.12 EP3174-0092 - TwinSAFE SC process data...................................................................................90
4.13 EP3162-0002 - Object overview......................................................................................................91
4.14 EP3182-1002 - Object overview......................................................................................................94
4.15 EP31x4-x002 - Object overview ......................................................................................................97
4.16 EP3174-0092 - Object overview....................................................................................................103
4.17 EP31x2 - Object description and parameterization .......................................................................109
4.18 EP31x4 - Object description and parameterization .......................................................................123
EP31xx4 Version: 2.4
Table of contents
4.19 Objects TwinSAFE Single Channel (EP3174-0092)......................................................................139
4.20 Restoring the delivery state ...........................................................................................................141
4.21 Decommissioning ..........................................................................................................................142
5 Appendix ................................................................................................................................................143
5.1 General operating conditions.........................................................................................................143
5.2 EtherCAT Box- / EtherCATPBox - Accessories ..........................................................................144
5.3 General note on the introduction of the Beckhoff Identification Code (BIC) ..................................145
5.4 Support and Service ......................................................................................................................147
Table of contents
EP31xx6 Version: 2.4
Foreword

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®, 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

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.
EP31xx8 Version: 2.4

1.3 Documentation issue status

Version Modifications
2.4 • EP3184-x002 - Introduction: graphics corrected
• Structural update
2.3.0 • Nut torques for connectors updated
• EP3174-0092 added
• Chapter Mounting updated
• Chapter Operation modes updated
• Structural update
2.2.0 • EP3162-0002 - M12 analog voltage inputs updated
• EP3162-0002 - M12 analog current inputs updated
• EP3162-0002 - Electrical isolation of the channels updated
• Notes on the analog specification added
• Cabling updated
2.1.0 • EP3162-0002 added
• EP31x4 - Object description and parameterization updated
• EP31x2 - Object description and parameterization added
• EP31x4 - Object overview updated
• EP31x2 - Object overview added
• Nut torques for connectors updated
• Power supply added
2.0.0 • Migration
1.5.0 • Connection description for analog current inputs (M12) revised
• Chapter "Settings and operation modes" updated
1.4.0 • Signal settings amended
• Connection of the sensors updated
1.3.0 • Object description updated
1.2.0 • Technical data updated
• Overview of EtherCAT cables extended
• Mounting and Cabling updated
1.1.0 • Description of the Power LEDs expanded
• Object description extended
• Technical data updated
1.0.1 • Object description corrected
1.0.0 • Description of the Status LEDs revised
0.6 • EP3182-1002 added
• Accessories added
• Nut torque for connectors added
• Object description corrected
0.5 • First preliminary version
Foreword
Foreword
Firm and hardware version
The documentation refers to the firm and hardware status that was valid at the time it was prepared.
The properties of the modules are subject to continuous development and improvement. Modules having earlier production statuses cannot have the same properties as modules with the latest status. Existing properties, however, are always retained and are not changed, so that these modules can always be replaced by new ones.
The firmware and hardware version (delivery state) can be found in the batch number (D number) printed at the side of the EtherCAT Box.
Syntax of the batch number (D number)
D: WW YY FF HH Example with D No. 29 10 02 01:
WW - week of production (calendar week) 29 - week of production 29 YY - year of production 10 - year of production 2010 FF - firmware version 02 - firmware version 02 HH - hardware version 01 - hardware version 01
Beckhoff Identification Code (BIC)
The Beckhoff Identification Code contains additional information about the delivery state of the module: General note on the introduction of the Beckhoff Identification Code (BIC) [}145].
EP31xx10 Version: 2.4
Product overview

2 Product overview

2.1 EtherCAT Box - Introduction

The EtherCAT system has been extended with EtherCAT Box modules with protection class IP67. Through the integrated EtherCAT interface the modules can be connected directly to an EtherCAT network without an additional Coupler Box. The high-performance of EtherCAT is thus maintained into each module.
The extremely low dimensions of only 126x30x26.5 mm (hxw xd) are identical to those of the Fieldbus Box extension modules. They are thus particularly suitable for use where space is at a premium. The small mass of the EtherCAT modules facilitates applications with mobile I/O interface (e.g. on a robot arm). The EtherCAT connection is established via screened M8connectors.
Fig.1: EtherCAT Box Modules within an EtherCAT network
The robust design of the EtherCAT Box modules enables them to be used directly at the machine. Control cabinets and terminal boxes are now no longer required. The modules are fully sealed and therefore ideally prepared for wet, dirty or dusty conditions.
Pre-assembled cables significantly simplify EtherCAT and signal wiring. Very few wiring errors are made, so that commissioning is optimized. In addition to pre-assembled EtherCAT, power and sensor cables, field­configurable connectors and cables are available for maximum flexibility. Depending on the application, the sensors and actuators are connected through M8 or M12connectors.
The EtherCAT modules cover the typical range of requirements for I/O signals with protection class IP67:
• digital inputs with different filters (3.0ms or 10μs)
• digital outputs with 0.5 or 2A output current
• analog inputs and outputs with 16bit resolution
• Thermocouple and RTD inputs
• Stepper motor modules
XFC (eXtreme Fast Control Technology) modules, including inputs with time stamp, are also available.
Product overview
Fig.2: EtherCAT Box with M8 connections for sensors/actuators
Fig.3: EtherCAT Box with M12 connections for sensors/actuators
Basic EtherCAT documentation
You will find a detailed description of the EtherCAT system in the Basic System Documentation for EtherCAT, which is available for download from our website (www.beckhoff.com) under Downloads.
EtherCAT XML Device Description
You will find XML files (XML Device Description Files) for Beckhoff EtherCAT modules on our web­site (www.beckhoff.com) under Downloads, in the Configuration Files area.
EP31xx12 Version: 2.4

2.2 Module overview

Product overview
Analog input modules, 24V
Module Number of
EP3162-0002 [}14]
EP3174-0002 [}24]
EP3174-0092 [}25]
EP3182-1002 [}18]
EP3184-0002 [}26]
EP3184-1002 [}27]
analog inputs
2 0 2 x M12 Single-ended inputs 4 0 4 x M12 Differential inputs 4 0 4 x M12 Differential inputs, TwinSAFE Single Channel 2 2 2 x M12 Single-ended inputs, digital outputs 4 0 4 x M12 Single-ended inputs 4 0 2 x M12 Single-ended inputs, two inputs per connection
DC
Number of digital outputs
Signal connection
Comment
Product overview

2.3 EP3162

2.3.1 EP3162 - Introduction

Fig.4: EP3162-0002
2-channel analog input ± 10V or 0/4...20mA, electrically isolated, single-ended, 16-bit
The EP3162 EtherCAT Box has two analog inputs that can be individually parameterized to process signals either in the range from -10V to +10V or from 0/4mA to 20mA. The voltage or input current is digitized with a resolution of 16bits, and is transmitted (electrically isolated) to the higher-level automation device.
The two input channels are electrically isolated from each other. The input filter and therefore the conversion times are configurable in a wide range. The inputs can, if required, be scaled differently, and automatic limit value monitoring is also available. EtherCAT is used for parameterization purposes. The parameters are stored in the module.
Quick Links
Installation [}32] Configuration [}56]
EP31xx14 Version: 2.4

2.3.2 EP3162 - Technical data

Technical data EP3162-0002
Fieldbus
Fieldbus EtherCAT Connection 2x M8 socket, green Electrical isolation 500V (fieldbus/ IO) Distributed Clocks Yes
Supply voltages
Connection Feed: 1 x M8 plug, 4-pin, black
Downstream connection: 1 x M8 socket, 4-pin, black Control voltage U Nominal voltage 24VDC (-15%/ +20%) Sum current max. 4A Consumers • Module electronics: 120mA
Peripheral voltage U Nominal voltage 24VDC (-15%/ +20%) Sum current max. 4A Consumers None. UP is only forwarded.
Analog inputs
Number 2 Connection 2x M12 socket, 5-pin Input type Single-ended Signal range Parameterizable:
Digital resolution 16-bit, including sign Measuring error max 0.3%, relative to the full scale value Input resistance Voltage measurement: min. 200kΩ
Dielectric strength max. 30V Electrical isolation 300V between the input channels Conversion time approx. 100µs Input filter limit frequency 5kHz Input filter characteristic
Sensor supply voltage UA
S
1)
• Sensors
P
2)
1)
• -10.. +10V (default)
• 0.. 10V
• 0.. 20mA
• 4.. 20mA
• -20.. +20mA
Current measurement: 85Ω + diode voltage
Parameterizable [}82]
3)
24VDC, isolated potential.
Output current per channel:
max. continuous current 50mA
max. peak current 100mA
Product overview
1)
Sum current of consumers and power transmission. This value corresponds to the
current carrying capacity of the connections for the supply voltages.
2)
"Sensors": devices connected to the input connections.
3)
Supply voltage available at the input connections.
Product overview
Technical data EP3162-0002
Environmental conditions
Ambient temperature during operation
Ambient temperature during storage
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 IP65, IP66, IP67 conforms to EN 60529
Mechanics
Weight approx. 165g Installation position variable
Approvals and conformity
Approvals CE, cURus
-25 .. +60°C
-25 .. +55°C according to cURus
-40.. +85°C
EP31xx16 Version: 2.4

2.3.3 EP3162 - Scope of supply

Make sure that the following components are included in the scope of delivery:
• 1x EtherCAT Box EP3162-0002
• 1x protective cap for supply voltage input, M8, transparent (pre-assembled)
• 1x protective cap for supply voltage output, M8, black (pre-assembled)
• 2x protective cap for EtherCAT socket, M8, green (pre-assembled)
• 10x labels, blank (1 strip of 10)
Pre-assembled protective caps do not ensure IP67 protection
Protective caps are pre-assembled at the factory to protect connectors during transport. They may not be tight enough to ensure IP67 protection.
Ensure that the protective caps are correctly seated to ensure IP67 protection.

2.3.4 EP3162 - Process image

Product overview
AI Standard Channel 1 and 2
You will find the data of the 1st analog channel under AI Standard Channel 1.
The data of the 2nd channel (AI Standard Channel 2) are structured identically to those of the 1st channel.
Product overview

2.4 EP3182

2.4.1 EP3182 - Introduction

Fig.5: EP3182-1002
2-channel analog input ±10V or 0/4...20mA, parameterizable, single-ended, 16-bit, 2 digital control outputs 24VDC, short-circuit proof
Analog inputs (single-ended)
The EP3182-1002 EtherCAT Box has two analog inputs which can be individually parameterized, so that they process signals either in the -10V to +10V range or the 0/4mA…20mA range.
The voltage or input current is digitized with a resolution of 16bits, and is transmitted (electrically isolated) to the higher-level automation device.
The two input channels are single-ended and share a common internal ground potential. The input filter and therefore the conversion times are configurable in a wide range.
The inputs can, if required, be scaled differently, and automatic limit value monitoring is also available. EtherCAT is used for parameterization purposes. The parameters are stored in the module.
Digital outputs
In addition, the EP3182-1002 EtherCAT Box has two digital outputs via which it forwards the binary control signals from the controller to the actuators at the process level.
These two outputs (sink/source type) are intended for the switching of logic inputs or outputs with a minimum impedance of 10kOhm (e.g. reset inputs of digital sensors) and can process currents up to 2mA. They indicate their signal state by LEDs and are short-circuit proof.
The signals are also connected via the two M12 connectors.
Quick-Links
Installation [}32] Configuration [}56]
EP31xx18 Version: 2.4

2.4.2 EP3182 - Technical data

Technical data EP3182-1002
Fieldbus
Fieldbus EtherCAT Connection 2x M8 socket, green Electrical isolation 500V (fieldbus/ IO)
Supply voltages
Connection Feed: 1 x M8 plug, 4-pin, black
Downstream connection: 1 x M8 socket, 4-pin, black Control voltage U Nominal voltage 24VDC (-15%/ +20%) Sum current max. 4A Consumers Module electronics: 120mA Peripheral voltage U Nominal voltage 24VDC (-15%/ +20%) Sum current max. 4A Consumers • Sensors
Analog inputs
Number 2 Connection 2x M12 socket, 5-pin Input type Single-ended Signal range Parameterizable:
Digital resolution 16-bit, including sign Measuring error max 0.3%, relative to the full scale value Input resistance Voltage measurement: min. 200kΩ
Dielectric strength max. 30V Conversion time approx. 100µs Input filter limit frequency 5kHz Input filter characteristic
Sensor supply voltage UA
S
1)
P
1)
2)
• Loads at digital outputs
• -10.. +10V (default)
• 0.. 10V
• 0.. 20mA
• 4.. 20mA
Current measurement: 85Ω + diode voltage
Parameterizable [}82]
3)
24VDC taken from the peripheral voltage UP,
not short-circuit proof
Product overview
1)
Sum current of consumers and power transmission. This value corresponds to the
current carrying capacity of the connections for the supply voltages.
2)
"Sensors": devices connected to the input connections.
3)
Supply voltage available at the input connections.
Product overview
Technical data EP3182-1002
Digital outputs
Number 2 Connection M12 sockets of the analog inputs Nominal voltage 24VDC from peripheral voltage U Output current I
OUT
2mA per output, short-circuit proof
P
Internal resistance approx. 2350Ω (high level) Impedance of connected inputs min. 10kΩ
Environmental conditions
Ambient temperature
0 .. +55°C during operation
Ambient temperature
-40.. +85°C
during storage 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 IP65, IP66, IP67 (conforms to EN 60529)
Mechanics
Weight approx. 165g Installation position variable
Approvals and conformity
Approvals CE, cURus
EP31xx20 Version: 2.4

2.4.3 EP3182 - Scope of supply

Make sure that the following components are included in the scope of delivery:
• 1x EtherCAT Box EP3182-1002
• 1x protective cap for supply voltage input, M8, transparent (pre-assembled)
• 1x protective cap for supply voltage output, M8, black (pre-assembled)
• 2x protective cap for EtherCAT socket, M8, green (pre-assembled)
• 10x labels, blank (1 strip of 10)
Pre-assembled protective caps do not ensure IP67 protection
Protective caps are pre-assembled at the factory to protect connectors during transport. They may not be tight enough to ensure IP67 protection.
Ensure that the protective caps are correctly seated to ensure IP67 protection.
Product overview
Product overview

2.4.4 EP3182 - Process image

Analog inputs
Table1: AI Standard Channel1
You will find the data of the 1st analog channel under AI Standard Channel1.
AI Standard Channel2
The data of the second analog channelhave the same structure as those of the first channel.
EP31xx22 Version: 2.4
Digital outputs
Table2: DO Outputs
Product overview
The digital outputs of the module can be found under DO Outputs.
Product overview

2.5 EP31x4

2.5.1 EP3174-0002 - Introduction

Fig.6: EP3174-0002
4-channel analog input ±10V or 0/4...20mA, parameterizable, differential input, 16-bit
The EP3174-0002 EtherCAT Box has four analog inputs which can be individually parameterized, so that they process signals either in the -10V to +10V range or the 0/4mA…20mA range.
The voltage or input current is digitized with a resolution of 16bits, and is transmitted (electrically isolated) to the higher-level automation device.
The four input channels have differential inputs and possess a common, internal ground potential. The input filter and therefore the conversion times are configurable in a wide range.
The inputs can, if required, be scaled differently, and automatic limit value monitoring is also available. EtherCAT is used for parameterization purposes. The parameters are stored in the module.
Quick-Links
Installation [}32] Configuration [}56]
EP31xx24 Version: 2.4

2.5.2 EP3174-0092 - Introduction

Product overview
Fig.7: EP3174-0092
4-channel analog input ±10V or 0/4...20mA, differential input, 16-bit, TwinSAFE Single Channel
In addition to the full range of functions of the EP3174-0002, the EP3174-0092 supports the TwinSAFE SC technology (TwinSAFE Single Channel). This enables the use of standard signals for safety tasks in any networks of fieldbuses.
Quick-Links
Installation [}32] Configuration [}56] Object description and parameterization [}123] Objects TwinSAFE Single Channel [}139] TwinSAFE SC process data [}90]
Product overview
Channel 1
Channel 2
Channel 3
Channel 4

2.5.3 EP3184-0002 - Introduction

Fig.8: EP3184-0002
4-channel analog input ±10V or 0/4...20mA, parameterizable, single-ended, 16-bit
The EP3184-0002 EtherCAT Box has four analog inputs which can be individually parameterized, so that they process signals either in the -10V to +10V range or the 0/4mA…20mA range.
The voltage or input current is digitized with a resolution of 16bits, and is transmitted (electrically isolated) to the higher-level automation device.
The four input channels are single-ended and share a common internal ground potential. The input filter and therefore the conversion times are configurable in a wide range.
The inputs can, if required, be scaled differently, and automatic limit value monitoring is also available. EtherCAT is used for parameterization purposes. The parameters are stored in the module.
Quick-Links
Installation [}32] Configuration [}56]
EP31xx26 Version: 2.4

2.5.4 EP3184-1002 - Introduction

Channel 1 Channel 2
Channel 3 Channel 4
Product overview
Fig.9: EP3184-1002
4-channel analog input ±10V or 0/4...20mA, parameterizable, single-ended, 16-bit
The EP3184-1002 EtherCAT Box has four analog inputs which can be individually parameterized, so that they process signals either in the -10V to +10V range or the 0/4mA…20mA range.
Two inputs are combined in each case on sockets 1 and 3. Sockets 2 and 4 have no function.
The voltage or input current is digitized with a resolution of 16bits, and is transmitted (electrically isolated) to the higher-level automation device.
The four input channels are single-ended and share a common internal ground potential. The input filter and therefore the conversion times are configurable in a wide range.
The inputs can, if required, be scaled differently, and automatic limit value monitoring is also available. EtherCAT is used for parameterization purposes. The parameters are stored in the module.
Quick-Links
Installation [}32] Configuration [}56]
Product overview

2.5.5 EP31x4 - Technical data

Technical data EP3174-0002 EP3174-0092 EP3184-0002 EP3184-1002
MTBF - >600,000h - -
Fieldbus
Fieldbus EtherCAT Connection 2x M8 socket, green Electrical isolation 500V (fieldbus/ IO) Distributed Clocks Yes
Supply voltages
Connection Feed: 1 x M8 plug, 4-pin, black
Downstream connection: 1 x M8 socket, 4-pin, black Control voltage U Nominal voltage 24VDC (-15%/ +20%) Sum current max. 4A Consumers Module electronics: 120mA Peripheral voltage U Nominal voltage 24VDC (-15%/ +20%) Sum current max. 4A Consumers Sensors
Analog inputs
Number 4 Connection 4x M12 socket, 5-pin 2x M12
Input type Differential Single-ended Signal range Parameterizable:
Digital resolution 16-bit, including sign Measuring error max 0.3%, relative to the full scale value Input resistance Voltage measurement: min. 200kΩ
Common-mode voltage U Dielectric strength max. 30V Conversion time approx. 100µs Input filter limit frequency 5kHz Input filter characteristic
Sensor supply voltage UA
S
1)
P
1)
2)
socket, 5-pin
• -10.. +10V (default)
• 0.. 10V
• 0.. 20mA
• 4.. 20mA
Current measurement: 85Ω + diode voltage
CM
max. 35V -
Parameterizable [}82]
3)
24VDC from peripheral voltage U
P
1)
Sum current of consumers and power transmission. This value corresponds to the
current carrying capacity of the connections for the supply voltages.
2)
"Sensors": devices connected to the input connections.
3)
Supply voltage available at the input connections.
EP31xx28 Version: 2.4
Product overview
Technical data EP3174-0002 EP3174-0092 EP3184-0002 EP3184-1002
Environmental conditions
Ambient temperature during operation -25 .. +60°C
-25 .. +55°C conforms to cURus [}38]
0 .. +55°C conforms to ATEX [}39] Ambient temperature during storage -40 .. +85°C 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 IP65, IP66, IP67 conforms to EN60529
Mechanics
Weight approx. 165g Installation position variable
Approvals and conformity
Approvals CE, cURus, ATEX
Product overview

2.5.6 EP31x4 - Scope of supply

Make sure that the following components are included in the scope of delivery:
• 1x EtherCAT Box EP3174-0002 / EP3174-0092 / EP3184-0002 / EP3184-1002
• 1x protective cap for supply voltage input, M8, transparent (pre-assembled)
• 1x protective cap for supply voltage output, M8, black (pre-assembled)
• 2x protective cap for EtherCAT socket, M8, green (pre-assembled)
• 10x labels, blank (1 strip of 10)
Pre-assembled protective caps do not ensure IP67 protection
Protective caps are pre-assembled at the factory to protect connectors during transport. They may not be tight enough to ensure IP67 protection.
Ensure that the protective caps are correctly seated to ensure IP67 protection.

2.5.7 EP31x4 - Process image

The process data of the EP3174-0002, EP3174-0092, EP3184-0002 and EP3184-1002 modules are identical in the default setting and are illustrated here taking the EP3174-0002 as an example.
AI Standard Channel1
You will find the data of the 1st analog channel under AI Standard Channel1.
AIStandard Channel 2 to 4
The data of analog channels 2 to 4 have the same structure as those of the 1st channel.
EP31xx30 Version: 2.4
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