Analog input module Beckhoff EL3151

Technical specifications

Interface

EtherCAT; Distributed Clocks

Analog inputs

1 single-ended; 4–20 mA; reference potential is the 0 V power contact

Resolution

16 bit including sign; simultaneous sampling

Conversion time

Approximately 40 µs with default 50 Hz filter

Input resistance

Typically 85 Ω plus diode voltage; 5 kHz input filter limit frequency

Measurement uncertainty

Relative to full scale: < ±0.3% at 0…55 °C; < ±0.5% below 0 °C or above 55 °C within permitted operating range

Current consumption

Typically 130 mA from E-bus; transducer supply via power contacts

Electrical isolation

500 V between E-bus and field voltage; dielectric strength max. 30 V

Operating temperature

−25…+60 °C

Protection

IP20

Dimensions review scope

Manual 7.5.0: approximately 15 × 100 × 70 mm, aligned width 12 mm. Official HTML housing table: 12 × 100 × 68 mm. Confirm installed housing/revision before cabinet design.