Beckhoff EL4024 EtherCAT Terminal

The Beckhoff EL4024 is a 4-channel analog output EtherCAT Terminal designed to deliver precise current signals in the 4–20 mA range. Each channel operates with 12-bit resolution and is electrically isolated from the control system, ensuring robust and interference-free signal transmission to actuators and external systems.

Ideal for control applications requiring accurate analog output, the EL4024 uses a 24 V DC supply through the power contacts and supports loads up to 350 Ω per channel. It integrates distributed clock functionality for synchronized output generation and includes optional watchdog features for enhanced process reliability.

Technical Specifications

Manufacturer: Beckhoff
Part Number: EL4024 Beckhoff
Product Type: Analog Output Terminal
Number of Outputs: 4
Signal Range: 4…20 mA
Resolution: 12 bit
Conversion Time: Approx. 250 µs
Distributed Clocks: Supported
Distributed Clock Precision: << 1 µs
Load Resistance: < 350 Ω (short-circuit proof)
Output Error: < 0.1% (relative to full scale)
Electrical Isolation: 500 V (E-bus/signal voltage)
Bit Width in Process Image: 4 x 16 bit AO
Special Features: Optional watchdog with ramp, user synchronization

Electrical & Power

Power Supply: 24 V DC via power contacts
Current Consumption (Power Contacts): Typ. 50 mA
Current Consumption (E-bus): Typ. 140 mA
Pluggable Wiring: Compatible with ESxxxx series terminals

Mechanical Specifications

Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
Housing Type: EL-12-8pin or ES-12-8pin (compact or pluggable)
Material: Polycarbonate
Mounting: 35 mm DIN rail (EN 60715)
Side-by-Side Mounting: Double slot and key connection
Wiring:
– Solid: 0.08–2.5 mm²
– Stranded: 0.08–2.5 mm²
– Ferrule: 0.14–1.5 mm²
AWG Range:
– Solid: AWG28–14
– Stranded: AWG28–14
– Ferrule: AWG26–16
Stripping Length: 8–9 mm
Max Load (Power Contacts): 10 A

Environmental Conditions

Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95%, non-condensing
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27
EMC Compliance: EN 61000-6-2 / EN 61000-6-4

Certifications & Compliance

Approvals: CE, CCC, UL, ATEX, IECEx
ATEX Marking: II 3 G Ex ec IIC T4 Gc
IECEx Marking: Ex ec IIC T4 Gc

Key Features

✅ 4 Analog Outputs: Reliable 4–20 mA current output per channel.

✅ High Accuracy: 12-bit resolution with <0.1% output error.

✅ Distributed Clock Support: Synchronize outputs with microsecond precision.

✅ Watchdog Functionality: Configure safe fallback output values.

✅ Compact Design: Only 12 mm wide for space-saving installation.

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Engineered for accurate analog control in demanding automation systems, the EL4024 delivers reliable 4–20 mA signal generation with tight integration and fault monitoring.

Contact us today for pricing, lead time, or technical support.