PRODUCT DESCRIPTION
BECKHOFF EL3751-0004 - 1-Channel High-Precision Power Monitoring EtherCAT Terminal
This EtherCAT Terminal is a 1-channel, high-precision power monitoring module designed for comprehensive energy data acquisition in industrial automation and building management systems. It provides real-time measurement of electrical parameters for 3-phase AC systems, enabling detailed power quality analysis, load profiling, and energy efficiency optimization. Its integration into the EtherCAT network ensures deterministic data transfer for critical monitoring applications.
Technical Specifications:
- SERIES/FAMILY: EtherCAT Terminal, EL3xxx (Measurement Terminals)
- COMPONENT TYPE: 1-Channel High-Precision Power Monitoring Terminal
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE INPUT: 3x 288/500 VAC (L-N/L-L) direct measurement
- NOMINAL CURRENT INPUT: Via external current transformers (CTs) with 1A or 5A secondary
- MEASUREMENT RANGE: Up to 3x 690 VAC (L-L) with appropriate CTs/VTs
- FREQUENCY RANGE: 50/60 Hz
- MEASURED PARAMETERS: Active power (P), reactive power (Q), apparent power (S), power factor (cos φ), frequency, RMS voltage, RMS current
- ACCURACY: 0.2% for voltage/current, 0.5% for power (typical)
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: EtherCAT
- DATA ACQUISITION: High oversampling rate, typically 10,000 samples/s per channel
- CONFIGURATION: TwinCAT engineering environment
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING STYLE: DIN rail
- OPERATING TEMPERATURE: 0 to 55 °C
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: Beckhoff TwinCAT, any EtherCAT master
- TARGET APPLICATIONS: Energy management, power quality analysis, load monitoring, predictive maintenance, smart grid integration, industrial energy efficiency projects