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EP3174-0002

  • Rated 4.6 (35 total ratings)
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The EP3174-0002 from Beckhoff is a digital input device in the EP Series, featuring a 16-bit resolution and EtherCAT protocol. As part of Beckhoff's EP Digital Input Series, it supports 4 differential inputs and has an approximate weight of 165 grams. It features a configurable input filter and operates at nominal 24 V DC (-15%/+20%).

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Product Description

The EP3174-0002 precision module from Beckhoff's renowned EP Series reliably acquires measurement data with exceptional 16-bit resolution. Leveraging the high-speed EtherCAT protocol, this module supports high-bandwidth communication needs. Its four differential inputs accept both voltage and current signals, delivering wide measurement versatility. Robust terminal blocks and M12 connections establish secure interfacing for varied environments.

Weighing in at a mere 165 grams, the compact design withstands demanding applications. Furthermore, IP65 through IP67 ingress protection qualifications mean reliability in wet, dusty, or otherwise punishing conditions. A nominal 24V DC operating voltage accommodates most industrial systems while a broad measurement range from -10V to +10V captures subtle dynamics. Configuration options enable customizing each channel independently as passive, active, or current input type to exactly meet application needs.

Fast 100μs conversion times facilitate capturing rapidly changing processes, and distributed clocks synchronization delivers sample-accurate data across extensive networks. Up to 35V of common-mode noise rejection on the balanced inputs yields dependable signals even amid interference. Other asset-protecting features include overvoltage protection and a 5kHz anti-aliasing filter to prevent measurement miscalculations. Status LEDs and intuitive parameterization software expedite commissioning and diagnostics. Value stems not only from accurate and reproducible measurements but also from lifecycle cost savings.

EP3174-0002 Technical Specifications

Protocol: EtherCAT
Measurement Error/uncertainty: < ±0.3% (relative to full scale value)
Input Filter Limit Frequency: 5 kHz
Nominal Voltage: 24 V DC (-15%/+20%)
Distributed Clocks: yes
Input Filter: configurable
Power Supply Connection: feed: 1 x M8 male socket, 4-pin, a-coded; downstream connection: 1 x M8 female socket, 4-pin, a-coded
Bus Interface: 2 x M8 socket, 4-pin, a-coded, shielded
Number Of Inputs: 4 (differential)
Input Connections: M12 x 1, 5-pin, a-coded
Conversion Time: ~ 100 µs
Resolution: 16 bit (incl. sign)
Signal Type: -10/0…+10 V | 0/4…20 mA, parameterizable per channel
Common-mode Voltage (u Cm): max. 35 V
Internal Resistance: > 200 kΩ | typ. 85 Ω + diode voltage

Frequently Asked Questions about EP3174-0002


Q: What protocol does the EP3174-0002 use for communication?

A: The EP3174-0002 uses the EtherCAT protocol, enabling efficient and rapid data transmission.

Q: How many differential inputs does the EP3174-0002 support?

A: This module supports 4 differential inputs, making it versatile for a range of applications.

Q: What is the resolution of the EP3174-0002?

A: The EP3174-0002 features a 16-bit resolution, providing high precision in measurements.

Q: What is the nominal voltage for the EP3174-0002?

A: The device operates at a nominal voltage of 24 V DC, with a tolerance of -15% to +20%.

Q: What are the protection ratings of the EP3174-0002?

A: The EP3174-0002 has IP65, IP66, and IP67 protection ratings, ensuring it can withstand harsh environmental conditions.

Internal Product Review

  • ‘‘The EP3174-0002 digital input module provides excellent performance with its high-resolution differential inputs and EtherCAT compatibility. Its durable design and configurable input filter enhance its utility in demanding industrial environments.’’

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