Product Overview

The Allen-Bradley 2094-BM03-S is a high-capacity power module designed for the Kinetix 6000 multi-axis servo drive system. Functioning as an inverter stage, this axis module draws power from a common DC bus to provide precise control over rotary and linear servo motors. It is engineered for 400V-class applications, delivering a robust 13.5 kW of continuous power output.

A critical feature of the 2094-BM03-S is the integrated Safe Torque-Off (STO) functionality, which ensures operational safety by preventing the motor from restarting unexpectedly after a safety circuit trip. This module is designed for rapid installation via the Kinetix 6000 power rail, minimizing wiring complexity and footprint in high-density industrial control cabinets.

Technical Characteristics

• Electrical Class: 400V AC Class (Nominal 650V DC Bus input).

• Current Ratings: 21.2 Amps continuous current (RMS); 53.0 Amps peak current.

• Continuous Power Output: 13.5 kW.

• Inverter Efficiency: Rated at 98% to minimize thermal waste within the enclosure.

• Safety Integration: Built-in Safe Torque-off (STO) certified for SIL3/PLe compliance.

• Peak Overload Support: Configurable for standard (150%) or enhanced (250%) peak current modes to handle high-inertia starts.

• Short Circuit Protection: 200,000 A (RMS) symmetrical short-circuit current rating.

• Feedback Compatibility: Supports high-resolution absolute encoders and multi-turn feedback to maintain position data during power cycles.

• Physical Mounting: Direct power rail mounting with integrated cooling fan.

• Dimensions: 3.5 x 13 x 14.5 cm.

• Weight: 0.9 kg.

Industrial Application and System Integration

The 2094-BM03-S is optimized for motion-intensive applications requiring rapid acceleration and deceleration, such as high-speed pick-and-place robotics, automotive assembly lines, and complex packaging machinery. By interfacing directly with the ControlLogix platform via the SERCOS interface, it provides deterministic synchronization across dozens of axes.

The module’s high dynamic response is paired with flexible overload capabilities, allowing engineers to size the drive system for specific peak load requirements without over-investing in hardware. For a complete drive solution, this axis module is typically deployed alongside an Integrated Axis Module (IAM), shunt modules, and slot fillers on a shared power rail. Its robust design is capable of handling the high-frequency switching and thermal demands of 24/7 automated manufacturing environments while maintaining precise torque and velocity regulation.