Beckhoff EL3102 EtherCAT Terminal

The Beckhoff EL3102 is a high-precision 2-channel analog input EtherCAT Terminal designed for voltage signal acquisition in the ±10 V range. Offering a 16-bit resolution and differential input design, it delivers accurate and electrically isolated data acquisition directly to the control system. The module supports advanced features such as limit value monitoring, switchable data formats, and optional FIR/IIR digital filters for signal conditioning.

With its compact footprint and robust signal isolation, the EL3102 is ideal for industrial measurement tasks requiring reliable analog voltage monitoring.

Technical Specifications

Manufacturer: Beckhoff
Part Number: EL3102 Beckhoff
Product Type: Analog Input Terminal
Number of Channels: 2 (Differential)
Signal Voltage Range: -10 V to +10 V
Resolution: 16 bit (including sign)
Input Filter Frequency: 5 kHz
Common Mode Voltage (UCM): Max. 35 V (relative to internal GND)
Input Impedance: > 200 kΩ
Conversion Time: ~ 60 µs (Fast mode ~ 40 µs)
Measurement Error: < ±0.3% (FSR)
Process Image Bit Width: 8 bytes (inputs)
Special Features: FIR/IIR filters, limit monitoring, data format selection

Electrical & Power

Power Supply: Via the E-bus
Current Consumption (E-bus): Typ. 170 mA
Electrical Isolation: 500 V (E-bus/signal voltage)
Distributed Clocks: Supported
Current Consumption (Power Contacts): Not required

Mechanical Specifications

Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
Housing Type: EL-12-8pin / ES-12-8pin
Material: Polycarbonate
Installation: DIN rail mounting (EN 60715)
Wiring Method:
– Solid: 0.08…2.5 mm²
– Flexible: 0.08…2.5 mm²
– Ferrule: 0.14…1.5 mm²
AWG Range: AWG28…14 (solid/flexible), AWG26…16 (ferrule)
Stripping Length: 8…9 mm / 9…10 mm
Current Load (Power Contacts): Max. 10 A
Side-by-Side Mounting: Double slot and key connection

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
IP Rating: IP20

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

✅ Differential Voltage Measurement: 2-channel ±10 V inputs.

✅ High Resolution: 16-bit with fast conversion times.

✅ Advanced Filtering: FIR/IIR filters and limit value monitoring.

✅ Electrically Isolated: 500 V between E-bus and input.

✅ DIN Rail Mountable: Compact 12 mm housing with status LEDs.

📦 Buy Beckhoff EL3102 Analog Input Terminal – In Stock Now

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Ideal for accurate analog voltage input monitoring in automation systems, the EL3102 ensures precision, reliability, and modular integration via EtherCAT.

Contact us today for expert support or to place your order.