EL4021 | BECKHOFF | EtherCAT Terminal Analog Output Module

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Hersteller: BECKHOFF
Produkt-Nr.: EL4021
Herkunftsland:Deutschland
Produkttyp: EtherCAT Terminal
Zahlung: T/T, Western Union
Gewicht: 2000g
Abmessungen: 12 mm x 100 mm x 68 mm
Versandhafen: Xiamen
Garantie: 12 Monate

Description

The EL4021 is a high-precision EtherCAT Terminal from Beckhoff, featuring a 1-channel analog output capable of generating a 4…20 mA current signal. Designed for industrial control systems, this module utilizes 12-bit resolution to provide accurate output control with a conversion time of approximately 100 µs. The EL4021 supports Distributed Clocks (DC), enabling highly precise synchronization across an EtherCAT network with a precision of << 1 µs.

Features

1-channel analog output (4…20 mA current)
12-bit resolution for precise signal control
Distributed Clocks (DC) support for sub-microsecond synchronization
Short-circuit proof design with < 500 Ω load capacity
Electrical isolation of 500 V between E-bus and signal voltage
Compact terminal housing with integrated signal LEDs for status monitoring
Optional watchdog function for user-specific output values with ramp control

Technical Specifications

Feature	Specification
Manufacturer	Beckhoff
Model	EL4021
Number of Outputs	1
Signal Current	4…20 mA
Resolution	12 bit
Conversion Time	~ 100 µs
Load	< 500 Ω
Electrical Isolation	500 V (E-bus/signal voltage)
Power Supply	24 V DC via power contacts
Current Consumption	25 mA (power contacts), 140 mA (E-bus)
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm
Operating Temperature	-25 to +60 degC
Storage Temperature	-40 to +85 degC

Installation Guidelines

Mounting: The EL4021 is designed for installation on a standard 35 mm DIN rail (EN 60715). Use the double slot and key connection for secure side-by-side mounting.
Wiring: The terminal supports solid, stranded, and flexible conductors (with ferrules). Use a screwdriver for spring actuation.
Connection Cross-sections: 0.08…2.5 mm² (solid/stranded) or 0.14…1.5 mm² (flexible). Strip wires to a length of 8…9 mm.
Environmental: Ensure the module is installed in an IP20-rated environment. The unit operates in variable installation positions.
Safety: Adhere to ATEX requirements (II 3 G Ex nA IIC T4 Gc) when installing in hazardous areas.

Compliance and Certifications

CE
UL
ATEX: II 3 G Ex nA IIC T4 Gc
EMC immunity/emission: Conforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock: Conforms to EN 60068-2-6/EN 60068-2-27

Key Features:

#Beckhoff #EtherCAT Analog Output Terminals

What is the primary output signal range of the EL4021?

The EL4021 provides a 1-channel analog current output ranging from 4 to 20 mA.

Does the EL4021 support Distributed Clocks?

Yes, the module supports Distributed Clocks (DC) with a precision of less than 1 µs, allowing for tight synchronization within an EtherCAT network.

What is the resolution of this analog output terminal?

The module features a 12-bit resolution.

What kind of protection does the output have?

The output is short-circuit proof with a load capacity of less than 500 Ω.

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