Beckhoff EL2596-0010 EtherCAT Terminal 1-Channel LED Output Module

Description

Providing direct current control and precise pulse timing for high-speed industrial vision systems, the Beckhoff EL2596-0010 is a highly specialized EtherCAT Terminal engineered for LED illumination control. This high-density module operates up to 48 V DC and delivers up to 3 A in pulsed mode, allowing direct synchronization with industrial cameras. By utilizing Distributed Clocks, the terminal achieves trigger and synchronization precision of less than 1 microsecond, making it ideal for fast-moving inspection lines. It supports multiple operating modes including constant voltage, constant current, and pulse-width modulation (PWM), alongside built-in trigger inputs and outputs to streamline camera-to-light interfacing without external controller lag.

Features

• 1-Channel LED Output: Delivers flexible illumination control with continuous or high-intensity pulsed modes.
• Integrated Synchronization: Built-in Distributed Clocks provide synchronization precision down to less than 1 microsecond.
• Flexible Control Modes: Configurable via CoE (CoE - CAN over EtherCAT) for constant current, constant voltage, or high-frequency PWM operation.
• Direct Camera Triggering: Features 1 electrically isolated trigger input (from camera) and 1 electrically isolated trigger output (to camera) to eliminate external delay stages.
• Compact HD Housing: High-density 12 mm wide polycarbonate enclosure with integrated signal LEDs for channel state diagnostics.
• Real-Time Diagnostics: Extensive diagnostic monitoring parameters available over EtherCAT, checking for voltage limits, open circuits, and overtemperature faults.

Applications

• High-speed industrial machine vision systems
• Automated optical inspection (AOI) units
• Semiconductor manufacturing wafer scanning
• RGB and common-anode LED lighting control
• Synchronized multi-angle camera inspection stations

Technical Specifications

Wiring & Connection Terminals

Empirical Engineering Insights

Alternative Models & Compatibility

The EL2596-0010 operates within standard EtherCAT networks and requires a compatible Beckhoff Coupler (such as EK1100 or EK1200) or an Embedded PC. When migrating from legacy analog output cards or PWM modules used for light dimming (such as EL2502), the EL2596-0010 provides highly superior response times and dedicated hardware camera triggering lines, making external pulse generators redundant. Ensure your TwinCAT version is up to date (TwinCAT 3.1 or higher is recommended) to fully leverage the XML device description files for the CoE configurations.

Application Pitfalls & Engineering Notes

While the module can deliver up to 3 A in pulsed mode, engineers must tightly calculate the thermal profile and duty cycle. Exceeding the maximum allowed duty cycle at high currents can cause thermal shutdown faults. When configuring the LED output, verify if your illumination source requires constant current or constant voltage; choosing the incorrect mode in the CoE directory can over-drive and damage sensitive LED arrays. Additionally, when drawing full 10 A continuous currents across the power contacts, ensure appropriate ventilation inside the enclosure.

Commissioning & Wiring Tips

To prevent high-frequency EMI noise from interfering with the camera's triggering signals, always use shielded twisted-pair (STP) wiring for the trigger input and trigger output loops. Keep the cable length to the camera trigger under 10 meters if operating at maximum frequency. When wiring the solid or stranded conductors into the push-in High-Density terminal connections, utilize a dedicated flat-blade terminal screwdriver to depress the spring mechanism gently. This prevents damage to the internal clamp assembly.

Installation Guidelines