BECKHOFF

BECKHOFF ELX3351-0090 EtherCAT Terminal

SKU ELX3351-0090

In stock
  • 12-month warranty
  • Free returns within 30 days

  • Manufacturer: BECKHOFF

  • Product No.: ELX3351-0090

  • Country of origin:Germany

  • Product Type: EtherCAT Terminals

  • Payment: T/T, Western Union

  • Weight: 60g

  • Dimensions: 1.2 x 10 x 6.8 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The BECKHOFF ELX3351-0090 is an EtherCAT Terminal featuring a 1-channel analog input designed for measuring bridge and full-bridge strain gauge sensors. Engineered with intrinsic safety Ex i protection and integrated TwinSAFE SC capability, this precision terminal enables direct connection of strain gauge sensors in hazardous areas up to Zone 0/20. The device converts analog bridge signals with a high resolution of 24 bits into digital values, transmitting them via the EtherCAT network to the control system.

Housed in a compact terminal housing with clear signal LEDs, the ELX3351-0090 integrates into EtherCAT I/O stations. It supports advanced features such as automatic self-calibration, configurable digital filters, and dynamic freeze functions to maintain high measurement accuracy in demanding industrial environments.

Features

  • 1-channel analog input terminal for resistor bridge and full-bridge strain gauge sensors
  • Intrinsic safety Ex i design for installation in hazardous areas
  • Integrated TwinSAFE SC technology for safety-related applications
  • High-resolution 24-bit analog-to-digital conversion with 32-bit presentation
  • Configurable 50 Hz filter and low-pass filter limit frequency typically 3.6 kHz
  • Supports all nominal sensitivities with parameter resolution of 0.01 microvolt/volt
  • Self-calibration function for enhanced measurement stability and accuracy
  • Compact polycarbonate terminal housing with diagnostic and signal LEDs

Applications

  • Weighing systems and platform scales in hazardous process industries
  • Force and strain measurement in industrial machinery located in explosive atmospheres
  • High-precision load cell monitoring requiring intrinsic safety protection
  • Safety-related weighing and force-sensing tasks utilizing TwinSAFE SC integration

Technical Specifications

General

Parameter Specification
Manufacturer BECKHOFF
Exact Model ELX3351-0090
Product Type EtherCAT Terminal
Technology Resistor bridge, strain gauge
Number of Inputs 1 (for 1 resistor bridge in full bridge technology)
Country of Origin Germany

Electrical and Measurement

Parameter Specification
Bridge Input Resistance 300 ohm to 1.5 kohm
Measuring Range UD Max. -18 to +18 mV
Measuring Range UREF Max. -12 to +12 V
Internal Resistance > 25 kohm (UR, differential), > 1 Mohm (UD, differential)
Conversion Time Typ. 1.6 ms
Resolution 24 bit, 32 bit presentation
Measuring Error < plus/minus 0.5 percent (relative to full scale value, with self-calibration)
Power Supply UV Up to 12 V DC from power contacts (dependent on sensor)
Supply Voltage Electronics 24 V DC via power contacts (using ELX9560 power supply)
Current Consumption Power Contacts Dependent on sensor, min. 20 mA
Current Consumption E-bus Typ. 85 mA

Mechanical and Environmental

Parameter Specification
Design Form Compact terminal housing with signal LEDs
Material Polycarbonate
Dimensions (W x H x D) 12 mm x 100 mm x 68 mm
Net Weight Approx. 60 g
Installation Position See documentation
Mounting On 35 mm DIN rail conforming to EN 60715 with lock
Operating Temperature Range -25 to +60 degC
Storage Temperature Range -40 to +85 degC
Relative Humidity 95 percent, no condensation
Protection Rating IP20

Connection Technology

Parameter Specification
Connection Cross-Section Solid 0.08 to 2.5 mm squared (AWG 28 to 14)
Connection Cross-Section Stranded 0.08 to 2.5 mm squared (AWG 28 to 14)
Connection Cross-Section with Ferrule 0.14 to 1.5 mm squared (AWG 26 to 16)
Stripping Length 8 to 9 mm
Power Contacts 2 blade/spring contacts

Installation Guidelines

  1. Ensure the system is completely powered off and de-energized before beginning installation or removal work.
  2. Verify that the intended mounting location meets the operating temperature and environmental requirements.
  3. Mount the terminal onto a standard 35 mm DIN rail conforming to EN 60715, ensuring the locking mechanism engages securely.
  4. Connect the required power supply terminals and field wiring taking proper care of Ex i barrier segregation rules and shielding requirements.
  5. Insert solid, stranded, or ferrule-terminated conductors into the spring-actuated connection points using a suitable screwdriver.
  6. Perform a complete wiring and potential check before restoring power to the EtherCAT segment.

FAQ

What is the primary function of the BECKHOFF ELX3351-0090?
The BECKHOFF ELX3351-0090 is a 1-channel analog input EtherCAT terminal designed for measuring bridge and full-bridge strain gauge sensors with intrinsic safety Ex i protection.

Does the BECKHOFF ELX3351-0090 support safety-related applications?
Yes, the BECKHOFF ELX3351-0090 features integrated TwinSAFE SC technology, allowing it to be used in safety-related control loops.

What sensor types are compatible with this terminal?
The BECKHOFF ELX3351-0090 supports resistor bridge and full-bridge strain gauge sensors with bridge input resistances between 300 ohms and 1.5 kohms.

What power supply is required for the electronics of the ELX3351-0090?
The BECKHOFF ELX3351-0090 requires a 24 V DC electronics supply voltage fed via power contacts, typically utilizing an ELX9560 power supply unit.

What is the physical resolution of the analog input channel?
The BECKHOFF ELX3351-0090 provides a high conversion resolution of 24 bits with 32-bit digital data presentation.

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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.

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TECHNICAL SPECIFICATIONS

Country of origin
Germany

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