BECKHOFF

Beckhoff EP3174-0092 EtherCAT Box 4-channel Analog Input Module

SKU EP3174-0092

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: BECKHOFF
  • Product No.: EP3174-0092
  • Origin Germany
  • Product Type: EtherCAT I/O Modules
  • Payment: T/T, Western Union
  • Weight: 0.5 kg
  • Dimensions: 150 x 40 x 40 mm
  • Shipping port: Xiamen
  • Warranty: 12 months

Tags

Quantity

Product Description

Description

Engineered for direct field installation without an electrical enclosure, the Beckhoff EP3174-0092 EtherCAT Box provides four high-precision, individually parameterizable differential analog inputs. This IP67-rated module processes signals in the ranges of -10/0 to +10 V or 0/4 to 20 mA per channel, offering 16-bit resolution with integrated Distributed Clocks for precise temporal synchronization. Its robust, fully-sealed design makes it ideal for harsh industrial environments where decentralized signal acquisition is required.

Key Features

  • Four Differential Inputs: Individually parameterizable for voltage or current signals.
  • 16-Bit Resolution: High-precision digitization (including sign) for demanding measurement tasks.
  • High-Speed Processing: 100 us conversion time with a 5 kHz input filter limit frequency.
  • Distributed Clocks: Supports ultra-precise, synchronized time-stamped data acquisition across the EtherCAT network.
  • Rugged Build: IP65/66/67 protection rating for moisture, dust, and washdown protection.
  • Standardized Connectors: M12 x 1 analog interface combined with M8 EtherCAT and power interfaces.

Applications

  • Decentralized process measurement in machine building and plant engineering.
  • Heavy-duty automated material handling and conveyor installations.
  • On-machine mounting in wet or high-vibration manufacturing environments.
  • Distributed sensor integration requiring rapid loop update times.

Technical Specifications

Manufacturer Beckhoff Automation GmbH & Co. KG
Model Number EP3174-0092
Protocol EtherCAT
Number of Inputs 4 (Differential)
Signal Types -10/0...+10 V | 0/4...20 mA (Configurable per channel)
Resolution 16-bit (including sign)
Conversion Time approx. 100 us
Internal Resistance > 200 kOhm (Voltage) | typ. 85 Ohm + diode voltage (Current)
Common-Mode Voltage (U_CM) max. 35 V
Measurement Error < +/-0.3% (relative to full scale value)
Nominal Supply Voltage 24 V DC (-15% / +20%)
Current Consumption (from U_S) 120 mA
Electrical Isolation 500 V
Operating Temperature -25 to +60 degC
Storage Temperature -40 to +85 degC
Protection Rating IP65/66/67 (conforms to EN 60529)
Approvals CE, UL
Country of Origin Germany
Shipping Weight (Calculated) 0.5 kg (Net Unit Weight: 165 g)
Package Dimensions (Calculated) 150 x 40 x 40 mm

Connections and Interfaces

Connector / Port Interface & Pin Assignment
Input Channels (1 to 4) M12 x 1 female socket, 5-pin, A-coded (Pin 1: +24V Sensor supply; Pin 2: Input +; Pin 3: GND; Pin 4: Input -; Pin 5: Shield)
EtherCAT Bus 2 x M8 socket, 4-pin, shielded, screw type (Input and downstream Connection)
Power Supply Feed 1 x M8 male socket, 4-pin (Pin 1: +24V US; Pin 2: +24V UP; Pin 3: GND S; Pin 4: GND P)
Power Downstream 1 x M8 female socket, 4-pin (For daisy-chaining supply to next node)

Empirical Engineering Insights

Alternative Models & Compatibility

The EP3174-0092 utilizes standard EtherCAT XML Device Description (ESI) files. In older TwinCAT 2.11 environments, make sure to update the device description repository to correctly resolve the -0092 hardware profile. It acts as a drop-in physical replacement for older IP67 analog input modules, provided the pin assignments for the differential ground connections are respected.

Application Pitfalls & Engineering Notes

When using differential inputs, ensure that the common-mode voltage between any input signal and the module's internal ground does not exceed the maximum rating of 35 V DC. If you are integrating 3-wire sensors or ungrounded signal generators, a high impedance path to the system ground should be provided to prevent signal drift and potential saturation of the differential input stages.

Commissioning & Wiring Tips

Always configure the channel parameter settings (CoE Index 0x8000 to 0x8030) inside the TwinCAT System Manager prior to applying analog loops. Connecting an active 4-20 mA current loop while the channel is still configured for a 10V input range can lead to faulty process readouts, though the internal input stage is electrically protected from nominal overcurrent.

Installation Guidelines

CRITICAL WARNING:

Do not connect or disconnect any M8 or M12 connectors under active electrical load. Always isolate the 24V DC control supply (US) and the load supply (UP) before performing installation, maintenance, or reconfiguration. Failure to do so can cause permanent damage to the contacts and internal communication chipsets.

1 Mount the EP3174-0092 directly onto a flat machine surface or profile rail using two M3 screws through the integrated mounting ears.
2 Ensure the physical earthing path is secure by utilizing a conductive mounting surface or running a separate ground strap to the designated functional earth terminal.
3 Connect the shielded M12 analog input lines, verifying that the cable shields are correctly terminated to the connector sleeves.
4 Attach the M8 EtherCAT communication lines, secure with nominal screw-torque to ensure IP67 sealing, and apply power.
Shipping &amp; Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
How do I switch the EP3174-0092 channels between voltage and current modes?
Channel configuration is handled via CoE (CANopen over EtherCAT) directory parameters in TwinCAT. You must configure the operational parameters under index 0x8000 for Channel 1 through 0x8030 for Channel 4 to switch between -10/0...+10V and 0/4...20mA ranges.
What is the maximum allowed common-mode voltage for the differential inputs?
The differential inputs support a maximum common-mode voltage (U_CM) of 35 V DC. Exceeding this limit relative to the internal reference will result in measurement errors or potential hardware damage.
Can the sensor supply on the M12 ports be switched or protected?
The sensor supply is derived directly from the load voltage UP. It is short-circuit proof and distributed to the M12 connection sockets, but it is not individually software-switchable per channel.
Reviews

EP3174-0092

Stock &amp; lead time on request

Call
1 of 1

Beckhoff EP3174-0092 EtherCAT Box 4-channel Analog Input Module

Only 10 item(s) left in stock
  • Manufacturer: BECKHOFF

  • Product No.: EP3174-0092

  • Country of origin:Germany

  • Product Type: EtherCAT I/O Modules

  • Payment: T/T, Western Union

  • Weight: 500g

  • Dimensions: 150 x 40 x 40 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

Engineered for direct field installation without an electrical enclosure, the Beckhoff EP3174-0092 EtherCAT Box provides four high-precision, individually parameterizable differential analog inputs. This IP67-rated module processes signals in the ranges of -10/0 to +10 V or 0/4 to 20 mA per channel, offering 16-bit resolution with integrated Distributed Clocks for precise temporal synchronization. Its robust, fully-sealed design makes it ideal for harsh industrial environments where decentralized signal acquisition is required.

Key Features

  • Four Differential Inputs: Individually parameterizable for voltage or current signals.
  • 16-Bit Resolution: High-precision digitization (including sign) for demanding measurement tasks.
  • High-Speed Processing: 100 us conversion time with a 5 kHz input filter limit frequency.
  • Distributed Clocks: Supports ultra-precise, synchronized time-stamped data acquisition across the EtherCAT network.
  • Rugged Build: IP65/66/67 protection rating for moisture, dust, and washdown protection.
  • Standardized Connectors: M12 x 1 analog interface combined with M8 EtherCAT and power interfaces.

Applications

  • Decentralized process measurement in machine building and plant engineering.
  • Heavy-duty automated material handling and conveyor installations.
  • On-machine mounting in wet or high-vibration manufacturing environments.
  • Distributed sensor integration requiring rapid loop update times.

Technical Specifications

Manufacturer Beckhoff Automation GmbH & Co. KG
Model Number EP3174-0092
Protocol EtherCAT
Number of Inputs 4 (Differential)
Signal Types -10/0...+10 V | 0/4...20 mA (Configurable per channel)
Resolution 16-bit (including sign)
Conversion Time approx. 100 us
Internal Resistance > 200 kOhm (Voltage) | typ. 85 Ohm + diode voltage (Current)
Common-Mode Voltage (U_CM) max. 35 V
Measurement Error < +/-0.3% (relative to full scale value)
Nominal Supply Voltage 24 V DC (-15% / +20%)
Current Consumption (from U_S) 120 mA
Electrical Isolation 500 V
Operating Temperature -25 to +60 degC
Storage Temperature -40 to +85 degC
Protection Rating IP65/66/67 (conforms to EN 60529)
Approvals CE, UL
Country of Origin Germany
Shipping Weight (Calculated) 0.5 kg (Net Unit Weight: 165 g)
Package Dimensions (Calculated) 150 x 40 x 40 mm

Connections and Interfaces

Connector / Port Interface & Pin Assignment
Input Channels (1 to 4) M12 x 1 female socket, 5-pin, A-coded (Pin 1: +24V Sensor supply; Pin 2: Input +; Pin 3: GND; Pin 4: Input -; Pin 5: Shield)
EtherCAT Bus 2 x M8 socket, 4-pin, shielded, screw type (Input and downstream Connection)
Power Supply Feed 1 x M8 male socket, 4-pin (Pin 1: +24V US; Pin 2: +24V UP; Pin 3: GND S; Pin 4: GND P)
Power Downstream 1 x M8 female socket, 4-pin (For daisy-chaining supply to next node)

Empirical Engineering Insights

Alternative Models & Compatibility

The EP3174-0092 utilizes standard EtherCAT XML Device Description (ESI) files. In older TwinCAT 2.11 environments, make sure to update the device description repository to correctly resolve the -0092 hardware profile. It acts as a drop-in physical replacement for older IP67 analog input modules, provided the pin assignments for the differential ground connections are respected.

Application Pitfalls & Engineering Notes

When using differential inputs, ensure that the common-mode voltage between any input signal and the module's internal ground does not exceed the maximum rating of 35 V DC. If you are integrating 3-wire sensors or ungrounded signal generators, a high impedance path to the system ground should be provided to prevent signal drift and potential saturation of the differential input stages.

Commissioning & Wiring Tips

Always configure the channel parameter settings (CoE Index 0x8000 to 0x8030) inside the TwinCAT System Manager prior to applying analog loops. Connecting an active 4-20 mA current loop while the channel is still configured for a 10V input range can lead to faulty process readouts, though the internal input stage is electrically protected from nominal overcurrent.

Installation Guidelines

CRITICAL WARNING:

Do not connect or disconnect any M8 or M12 connectors under active electrical load. Always isolate the 24V DC control supply (US) and the load supply (UP) before performing installation, maintenance, or reconfiguration. Failure to do so can cause permanent damage to the contacts and internal communication chipsets.

1 Mount the EP3174-0092 directly onto a flat machine surface or profile rail using two M3 screws through the integrated mounting ears.
2 Ensure the physical earthing path is secure by utilizing a conductive mounting surface or running a separate ground strap to the designated functional earth terminal.
3 Connect the shielded M12 analog input lines, verifying that the cable shields are correctly terminated to the connector sleeves.
4 Attach the M8 EtherCAT communication lines, secure with nominal screw-torque to ensure IP67 sealing, and apply power.

How do I switch the EP3174-0092 channels between voltage and current modes?

Channel configuration is handled via CoE (CANopen over EtherCAT) directory parameters in TwinCAT. You must configure the operational parameters under index 0x8000 for Channel 1 through 0x8030 for Channel 4 to switch between -10/0...+10V and 0/4...20mA ranges.

What is the maximum allowed common-mode voltage for the differential inputs?

The differential inputs support a maximum common-mode voltage (U_CM) of 35 V DC. Exceeding this limit relative to the internal reference will result in measurement errors or potential hardware damage.

Can the sensor supply on the M12 ports be switched or protected?

The sensor supply is derived directly from the load voltage UP. It is short-circuit proof and distributed to the M12 connection sockets, but it is not individually software-switchable per channel.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Germany

Recently Viewed Products

Technical knowledge

Implementing 3-Switch XOR Ladder Logic with Internal Bit

Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.

Building a Modbus RTU Network with CompactLogix and DeltaV

Integrate Allen-Bradley CompactLogix, Caterpillar ATS, and generators into DeltaV DCS over Modbus RTU. Covers ProSoft MVI69-MCM, Miille DIN266 gateways.

ONS Instruction Not Energizing OTE in Studio 5000 Ladder Logic

ONS instruction fires but the OTE coil never latches in Studio 5000 because the one-shot is only true for one scan. Use OTL/OTU or seal-in logic instead.

Kinetix 5500 EtherNet/IP Network Switch Requirements and Topology

Configure Allen-Bradley Kinetix 5500 servo drives on EtherNet/IP. Covers CIP Sync, IEEE 1588 V2 timing, Stratix selection, DLR topology, and HMI.

Moving Average Filtering in DCS and PLC Analog Control

A moving-average filter is the sliding-window smoother most instrument engineers drop into DCS and PLC analog paths. Here is how the window works, how N and sample time set lag, and when a...

GE Mark VI Function Blocks for Gas Turbine Control Logic

On Frame 5–9 gas turbines, GE Mark VI and Mark VIe run control as function-block application software. This article maps process, protection, and sequencing functions—and what Toolbox ST access...