PRODUCT DESCRIPTION
BECKHOFF ELM3344-0033 - 4-Channel EtherCAT Strain Gauge/Resistance Bridge Measurement Module
This module is a high-precision EtherCAT measurement terminal from the ELM series, engineered for direct connection and evaluation of strain gauges and resistance bridges. It provides four independent channels for highly accurate force, pressure, and torque measurements, integrating advanced features like 24-bit resolution, oversampling, and distributed clock synchronization for deterministic data acquisition in industrial automation and test & measurement applications.
Technical Specifications:
- SERIES/FAMILY: ELM Series (EtherCAT Measurement Modules)
- COMPONENT TYPE: 4-Channel Analog Input Terminal for Strain Gauge/Resistance Bridge
- ELECTRICAL SPECS:
- INPUT CHANNELS: 4 differential inputs
- RESOLUTION: 24-bit
- MEASUREMENT PRINCIPLE: Ratiometric, internal reference voltage
- EXCITATION VOLTAGE: Selectable 5V or 10V DC (internal)
- MEASUREMENT RANGE: Configurable for various mV/V sensitivities
- SAMPLING RATE: Up to 10 kSps per channel (oversampling capable)
- INTERFACE/CONTROL:
- BUS SYSTEM: EtherCAT (via E-bus)
- SYNCHRONIZATION: EtherCAT Distributed Clocks (DC)
- CONFIGURATION: TwinCAT engineering environment
- ENVIRONMENTAL/MOUNTING:
- PROTECTION CLASS: IP20
- MOUNTING: DIN rail
- OPERATING TEMPERATURE: 0 to +55 °C
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: High-precision force, pressure, torque, and weight measurement
- SENSOR COMPATIBILITY: Full bridge, half bridge, quarter bridge (120 Ohm, 350 Ohm), 4-wire, 5-wire, 6-wire connection
- SYSTEM INTEGRATION: Beckhoff TwinCAT and EtherCAT-based control systems