A-B 2094-BM02-S Servo Drive Module

A-B 2094-BM02-S Servo Drive Module

 

 

The Allen-Bradley 2094-BM02-S is a Kinetix 6000 series multi-axis servo drive (axis module) used in Rockwell’s shared DC bus motion control system.

Product Information

• Brand: Allen-Bradley (Rockwell Automation)
• Series: Kinetix 6000
• Part Number: 2094-BM02-S
• Type: Servo Drive Axis Module (Multi-axis system)
• Input Voltage: 400–480V AC (3-phase class)
• Power Rating: approx. 6.6 kW
• Output Current: around 10–15 A (continuous class, depending configuration)
• System Type: Shared DC bus modular servo system

What it actually is

This module is not a standalone VFD or PLC module.

It is one axis inside a Kinetix 6000 rack system, which requires:

• Power supply / IAM module
• DC bus power rail
• Multiple axis modules (BM series)
• Motion controller (Logix PLC)

Each BM module = one servo axis control channel

Working principle (simple)

PLC motion controller
→ sends command over SERCOS network
→ 2094-BM02-S axis module
→ outputs controlled 3-phase power
→ servo motor runs with precise speed/position/torque control

System role

• Controls one servo motor axis
• Shares DC bus energy with other axes
• Handles braking energy via shunt circuit (if needed)
• Executes high-speed motion control instructions

Typical applications

• CNC machines
• Robotics systems
• Packaging machines
• Printing equipment
• Multi-axis synchronized production lines

Key features

• Modular multi-axis architecture (easy expansion)
• High efficiency (~98% system efficiency)
• Safe Torque Off (STO) safety function support
• High dynamic response for fast acceleration/deceleration
• Integrated shunt/energy handling capability
• Designed for synchronized motion systems

Precautions

• Cannot operate alone (requires full Kinetix 6000 system)
• Must match correct rail, power supply, and firmware revision
• Incorrect DC bus connection can damage module
• Requires Logix motion configuration (Studio 5000 / RSLogix 5000)
• Discontinued product (legacy system, often replaced by Kinetix 5500/5700)