BECKHOFF EL3612 EtherCAT Terminal

SKU EL3612

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12-month warranty
Free returns within 30 days

Manufacturer: BECKHOFF
Product No.: EL3612
Country of origin:Germany
Product Type: EtherCAT Terminals
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 12 mm x 100 mm x 68 mm
Shipping port: Xiamen
Warranty: 12 months

Description

The BECKHOFF EL3612 is a 2-channel analog input terminal designed for high-precision current measurement within EtherCAT automation systems. Engineered with differential input technology, this terminal processes 0 to 20 mA signals with a high resolution of 24 bits, making it suitable for demanding industrial measurement and control tasks requiring strict accuracy.

System communication and internal powering are handled directly via the E-bus, integrating smoothly into modular terminal assemblies. The device features configurable conversion times, selectable input filter limit frequencies, and diagnostic capabilities, allowing engineers to adapt signal processing characteristics to specific application requirements.

Features

Two differential analog input channels for 0 to 20 mA current signals
High-precision measurement with 24-bit resolution including sign
Configurable conversion time ranging from 1 to 400 ms
Selectable input filter limit frequency up to 3 kHz
E-bus powered terminal design with integrated electrical isolation between channels and the E-bus
Compact polycarbonate housing featuring signal LEDs for operational status monitoring

Applications

Precision industrial process monitoring and control
Sensor signal acquisition in test stands and laboratory automation
Data logging applications requiring high measurement accuracy
Machine-building automation systems utilizing EtherCAT networks

Technical Specifications

General

Parameter	Specification
Manufacturer	BECKHOFF
Exact Model	EL3612
Product Type	EtherCAT Terminal
Number of Inputs	2 (differential)
Country of Origin	Germany

Electrical

Parameter	Specification
Signal Type	Differential current
Signal Current	0…20 mA
Power Supply	Via the E-bus
Current Consumption E-bus	Typ. 190 mA
Internal Resistance	Typ. 85 ohm + diode voltage
Common-Mode Voltage UCM	Max. 10 V
Electrical Isolation	500 V (E-bus/signal voltage)

Performance

Parameter	Specification
Resolution	24 bit (incl. sign)
Conversion Time	1…400 ms configurable
Measuring Error	< ±0.01 % at 25 degC (relative to full scale value, 50 Hz filter)
Input Filter Limit Frequency	3 kHz
Crosstalk Attenuation	> 60 dB

Mechanical and Environment

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
Mounting	On 35 mm DIN rail, conforming to EN 60715 with lock
Protection Rating	IP20
Operating Temperature Range	-25…+60 degC
Storage Temperature Range	-40…+85 degC
Relative Humidity	95 %, no condensation
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

Connection Technology

Parameter	Specification
Connection Cross-Section Solid (s)	0.08…2.5 mm² (AWG 28…14)
Connection Cross-Section Stranded (st)	0.08…2.5 mm² (AWG 28…14)
Connection Cross-Section with Ferrule (f)	0.14…1.5 mm² (AWG 26…16)
Stripping Length	8…9 mm

Installation Guidelines

Ensure the entire control system is safely powered down and isolated from electrical energy before performing any mechanical or electrical work.
Inspect the BECKHOFF EL3612 terminal housing and connection points for any signs of transit damage.
Mount the terminal onto a standard 35 mm DIN rail conforming to EN 60715, ensuring the locking mechanism engages securely.
Connect field sensors to the appropriate terminal points using solid or stranded conductors with proper stripping lengths and ferrule use where required.
Verify that all signal wiring and shield connections adhere to local electrical codes and EMC requirements.
Power on the EtherCAT network and verify proper diagnostic LED operation through the TwinCAT engineering environment before initiating normal system operation.

FAQ

What are the primary electrical specifications and input channels of the BECKHOFF EL3612?

The BECKHOFF EL3612 is a 2-channel analog input terminal designed specifically for processing differential 0 to 20 mA current signals. It features an internal resistance of typically 85 ohms plus diode voltage and supports a maximum common-mode voltage of 10 V. The unit ensures robust operation with a 500 V electrical isolation between the E-bus and the signal voltage.

What kind of measurement precision and resolution does the BECKHOFF EL3612 offer?

The BECKHOFF EL3612 provides an exceptionally high resolution of 24 bits including the sign for precise analog measurements. It delivers a measuring error of less than ±0.01% at 25 degrees Celsius relative to the full scale value using a 50 Hz filter. Furthermore, engineers can configure the conversion time from 1 to 400 ms and utilize an input filter limit frequency of up to 3 kHz.

How is the BECKHOFF EL3612 powered and integrated into an automation network?

The BECKHOFF EL3612 draws its power directly through the E-bus with a typical current consumption of 190 mA. It integrates seamlessly into modular EtherCAT terminal assemblies and mounts easily onto standard 35 mm DIN rails conforming to EN 60715. Signal status monitoring is conveniently handled via integrated LEDs on the compact polycarbonate housing.

What are the environmental and physical limitations of the BECKHOFF EL3612 terminal?

The BECKHOFF EL3612 operates reliably in ambient temperatures ranging from -25 to +60 degrees Celsius and can be stored safely between -40 and +85 degrees Celsius. It is built within a compact IP20-rated polycarbonate enclosure measuring 12 mm by 100 mm by 68 mm with a net weight of approximately 60 grams. The device also complies with strict industrial standards for vibration, shock resistance, and EMC immunity.

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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

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