BECKHOFF EL3144 EtherCAT Terminal

Description

The BECKHOFF EL3144 is a 4-channel analog input EtherCAT Terminal designed to acquire and process current signals in the range of 0 to 20 mA. Operating with single-ended technology, this module provides high-resolution 16-bit measurement for demanding industrial control and instrumentation tasks.

As part of the modular BECKHOFF I/O system, the EL3144 integrates into EtherCAT networks, delivering rapid signal conversion with a time of approximately 40 µs. The integration of Distributed Clocks (DC) allows high-precision, synchronized measurement across complex setups, making it ideal for synchronized control applications.

Housed in a compact 12 mm terminal enclosure, the device features 500 V electrical isolation between the E-bus and the signal channels. This isolation protects the control system from electromagnetic interference and electrical noise common in field environments.

Features

• Four single-ended analog inputs configured for 0 to 20 mA current loops
• High measurement resolution of 16 bits for accurate signal representation
• Fast conversion time of approximately 40 µs
• Distributed Clocks (DC) support with synchronization precision under 1 µs
• Integrated 5 kHz input filter limit frequency to suppress high-frequency noise
• Compact 12 mm DIN rail mountable housing with standard status indication LEDs
• Electrical isolation of 500 V (E-bus to signal voltage) for improved field reliability

Applications

• Process measurement and continuous monitoring systems
• Interfacing with industrial current sensors, including flow meters and pressure transmitters
• Closed-loop feedback systems in machine automation
• High-speed, multi-channel analog data acquisition setups

Technical Specifications

General Specifications

Performance and Signal Processing

Electrical Specifications

Physical and Mechanical

Environmental and Compliance

Installation Guidelines

1. Ensure the entire automation system and power contacts are fully de-energized before mounting or removing any modules.
2. Inspect the terminal for physical damage or debris prior to assembly on the mounting rail.
3. Mount the module onto a standard 35 mm DIN rail (EN 60715), securing the lock mechanism and ensuring standard slot-and-key connection integrity with adjacent units.
4. Check that E-bus contacts align correctly with adjacent terminals to maintain proper electrical continuity.
5. Strip field cables to the recommended 8 to 9 mm. Insert conductors into the terminal connections by activating the spring mechanism with a suitable screwdriver.
6. Properly ground and shield current loop signals to minimize industrial noise influence on the analog measurements.
7. Re-energize the system and run configuration steps via TwinCAT to map the process image and verify channel functionality.