BECKHOFF EL7041-0052 EtherCAT Terminal 1-Channel Stepper Motor Motion Interface

Description

Direct motor connection and high-performance compact drive control are integrated into the EL7041-0052 stepper motor terminal. Designed for the EtherCAT I/O system, this motion interface enables the direct operation of 2-phase stepper motors up to 48 V DC at a maximum output current of 5 A. The unit features 64-fold microstepping capabilities to ensure smooth, precise rotational operation with minimized resonance and quiet running performance.

Equipped with two digital inputs for limit switch integration, this terminal facilitates decentralized positioning tasks by supporting integrated travel distance control directly through the Beckhoff TwinCAT environment. This module utilizes Distributed Clocks (DC) to synchronize motion commands precisely across multi-axis setups, making it suitable for distributed automation systems requiring exact path control and compact form factors.

Features

• Compact drive technology optimized for direct 2-phase stepper motor connection (unipolar/bipolar).
• 64-fold microstepping pattern for highly precise positioning and minimized structural vibration.
• Built-in travel distance control functionality for autonomous positioning.
• Two integrated digital inputs for hardware end position/limit switch monitoring.
• Supports EtherCAT Distributed Clocks (DC) for microsecond-level synchronization.
• Configurable step frequency reaching up to 8000 full steps per second.
• Electrical isolation of 500 V between the E-bus and the field potential for system protection.

Applications

• Point-to-point positioning drives in packaging and labeling machinery.
• Feed-axis adjustment in semiconductor manufacturing and electronic assembly equipment.
• Decentralized auxiliary axes in machine tools and automated assembly lines.
• Conveyor and material sorting system speed and position adjustment.

Technical Specifications

Wiring and Connection Specifications

Installation Guidelines

• Mounting: Mount on a standard 35 mm DIN rail conforming to EN 60715 using the integrated double slot and key lock connection.
• Grounding and Shielding: Ensure the DIN rail is securely connected to a low-impedance functional ground. Motor cables must be properly shielded to minimize electromagnetic interference (EMI) and maintain compliance with EN 61000-6-2 and EN 61000-6-4.
• Thermal Management: Maintain the correct side-by-side mounting orientation to allow passive cooling. Verify that the ambient operating temperature does not exceed +55 degC.

Compliance and Certifications

• CE: Conforms to European Union standards.
• EMC Immunity: Conforms to EN 61000-6-2.
• EMC Emission: Conforms to EN 61000-6-4.
• Vibration Resistance: Conforms to EN 60068-2-6.
• Shock Resistance: Conforms to EN 60068-2-27.