Beckhoff EL3002 Analog Input Terminal

The Beckhoff EL3002 is a high-precision 2-channel analog input terminal designed for voltage signal acquisition in the ±10 V range. Each input is single-ended with a shared internal ground, making it ideal for standard signal sources in compact automation systems. With 12-bit resolution and electrical isolation to the EtherCAT bus, the EL3002 ensures accurate and secure signal digitization for higher-level control.

This EtherCAT terminal features integrated FIR/IIR filters, configurable measurement data, and LED indication of signal states. Designed for flexibility, reliability, and space-saving DIN rail installations.

Technical Specifications

Manufacturer: Beckhoff
Part Number: EL3002 Beckhoff
Product Type: Analog Input Terminal
Number of Inputs: 2 (single-ended)
Input Voltage Range: ±10 V
Resolution: 12-bit (16-bit with sign presentation)
Conversion Time: 0.625 ms (default, configurable)
Internal Resistance: > 130 kΩ
Input Filter Frequency: 1 kHz
Measurement Uncertainty: < ±0.3% (FSV)
Electrical Isolation: 500 V (E-bus/field)
Current Consumption E-bus: Typ. 130 mA
Process Image Bit Width: 8 byte (inputs)

Electrical & Environmental

Power Supply: Supplied via E-bus
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95%, no condensation
Vibration/Shock Resistance: EN 60068-2-6 / EN 60068-2-27
EMC Standards: EN 61000-6-2 / EN 61000-6-4
Protection Rating: IP20

Mechanical & Mounting

Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
Weight: Approx. 70 g
Mounting: 35 mm DIN rail (EN 60715)
Wiring Method:
– Solid: 0.08–2.5 mm²
– Stranded: 0.08–2.5 mm²
– Ferrule: 0.14–1.5 mm²
AWG Range: AWG28–14
Stripping Length: 8–9 mm
Current Load (Power Contacts): Max. 10 A

Compliance & Approvals

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

Key Features

✅ ±10 V Analog Input: Ideal for industrial signal acquisition.

✅ 12-bit Precision: Digitizes signals with high accuracy.

✅ Overload Indication: Built-in diagnostic feedback.

✅ Compact Design: Only 12 mm wide for control cabinet efficiency.

✅ Flexible Configuration: Filter activation and measurement format switching.

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