ETEL DSB2P142‑111E‑000H Digital Servo Amplifier

The ETEL DSB2P142‑111E‑000H is a high‑performance digital servo amplifier designed for driving brushless AC servo motors in demanding industrial automation, robotics, and motion control applications. It is part of ETEL’s DSB2 series, known for its advanced digital signal processing, high current capability, and flexible communication interfaces. This amplifier integrates a powerful controller with a high‑current power stage, providing a complete solution for precise motor control in multi‑axis systems.

This model features a continuous output current of 14 A (peak 31 A) and operates from a 142 V DC bus, delivering ample power for medium to large‑size servo motors used in robotics, metalworking, and packaging machinery. The built‑in controller supports position, speed, and torque control modes with a high update rate of up to 16 kHz, ensuring smooth and responsive motion. The unit includes multiple feedback interfaces for incremental encoders, absolute encoders (EnDat, BiSS, SSI), and resolvers, enabling compatibility with a wide range of motors.

The DSB2P142‑111E‑000H features a robust communication suite including EtherCAT, CANopen, and RS‑485, allowing seamless integration into distributed control architectures. Its digital and analog I/O ports provide flexibility for interfacing with external sensors, actuators, and safety devices. Built‑in safety functions such as STO, SS1, and SLS (Safe Limited Speed) meet SIL 2/PL d standards, enhancing machine safety.

Technical Specifications

Supply voltage: 142 VDC (nominal). Continuous current: 14 A (peak 31 A). Switching frequency: 16 kHz. Control update rate: 16 kHz. Feedback interfaces: incremental encoder, EnDat, BiSS, SSI, resolver. Communication: EtherCAT (CoE), CANopen, RS‑485. Digital inputs: 8 (24 VDC), digital outputs: 4 (24 VDC, 0.5 A). Analog inputs: 2 (0‑10 V), analog output: 1 (0‑10 V). Safety: STO, SS1, SLS (SIL 2). Operating temperature: 0°C to +50°C. Enclosure: IP20, panel or DIN‑rail mount. Weight: 3.2 kg.

The amplifier includes comprehensive protection features: over‑voltage, over‑current, over‑temperature, motor thermal protection, and short‑circuit protection. A built‑in braking resistor handles regenerative energy, with provision for an external resistor for high‑inertia loads.

Applications

This amplifier is ideal for CNC milling machines, robotic arms, automated guided vehicles (AGVs), and high‑speed pick‑and‑place systems. Its high power density reduces cabinet space requirements, while EtherCAT connectivity enables synchronization with other axes for coordinated motion.

Installation and Configuration

Mount the unit in a clean, ventilated enclosure. Connect the DC power supply, motor cables, feedback cables, and communication cables. Use ETEL’s MotionWizard software to set motor parameters, autotune, and configure I/O. Commissioning can be completed in minutes.

Reliability and Support

ETEL’s DSB2 series amplifiers are built with industrial‑grade components and undergo rigorous testing. With a MTBF exceeding 60,000 hours, they provide dependable service. Worldwide technical support and documentation are available.

Conclusion

The ETEL DSB2P142‑111E‑000H digital servo amplifier combines powerful performance, flexible connectivity, and robust safety features. It is a versatile solution for advanced motion control in modern automation systems.