Allen‑Bradley 2094-BM01-S Kinetix 6000 400V Class Servo Axis Module

1. Product Overview

2094-BM01-S is a 400V-class shared DC-bus servo axis inverter module (AM Module) belonging to Rockwell Automation Kinetix 6000 multi-axis motion drive series. It must be paired with a Kinetix 6000 IAM converter module (2094-BCxx series) via the system power rail to receive shared DC bus power, serving as a single-axis servo drive to control Kinetix rotary / linear servo motors.

This unit integrates built-in Safe Torque Off (STO) safety circuit and internal dynamic shunt resistor, delivering 3.9kW continuous output power for medium-light precision positioning axes. Rockwell officially discontinued this model on Dec 31, 2023; abundant new surplus, refurbished and fully tested used units are globally stocked for legacy production line maintenance, spare replacement and equipment retrofits. The recommended modern engineering replacement is 2198-D020-ERS3 (Kinetix 5700).

2. Core Electrical Power Specifications

- Catalog No.: 2094-BM01-S
- Voltage Class: 400V (nominal 3-phase 460V AC input; DC bus operating range 458–747VDC, rated 650VDC)
- Continuous Output Power: 3.9 kW
- Continuous RMS Output Current: 6.1 A
- Peak Output Current: 9.2 A (Series A); 15.3 A (Series B / C hardware revisions)
- PWM Switching Frequency: 8 kHz
- Control Loop Bandwidth: Velocity loop 500 Hz; Current loop 1300 Hz
- Power Conversion Efficiency: 98%
- Short-Circuit Withstand Rating: 200,000 A symmetrical RMS

Integrated Internal Shunt Circuit

- Shunt Resistor Value: 115 Ω
- Continuous Dissipation Power: 50 W
- Peak Regenerative Absorption Power: 5.6 kW
- Shunt activation threshold: 405 VDC; cut-off at 375 VDC

Auxiliary Control Power

- Single-phase wide-range input: 95–264 VAC (110/240V global mains compatible)

3. Communication & Motion Control Architecture

1. Sercos Fiber Optic Motion Bus
Fiber-based Sercos interface for high-speed real-time motion synchronization between all Kinetix 6000 drive modules, supporting multi-axis electronic gearing, cam profiling, camming and coordinated interpolation. Eliminates electrical noise interference compared to copper wiring.
2. Encoder Feedback Interfaces
Dedicated feedback port for HiRes incremental / absolute serial encoders matched to Kinetix MP, MPL, MPM rotary motors and linear servo motors, supporting full closed-loop position, speed and torque control.
3. Host Controller Compatibility
Works seamlessly with ControlLogix / CompactLogix L3/L4/L5/L7/L8 series PLCs via SERCOS motion control instruction sets in Studio 5000 Logix Designer software.

4. Safety Feature: Safe Torque Off (STO)

The suffix "-S" designates integrated SIL 2 / Cat 3 Safe Torque Off safety function, a hardwired safety circuit that safely disables motor torque output without cutting main DC bus power:

- Compliant with ISO 13849-1 and IEC 61508 industrial safety standards
- Enables machine safety door interlock, emergency stop implementation
- No full system power cycle required after safety trigger, reducing production downtime

5. Mechanical & Environmental Ratings

Physical Dimensions & Mounting

- Form Factor: Standard single-slot module for Kinetix 6000 shared power rail
- Net Weight: ~2.49 kg (5.5 lbs)
- Installation: DIN rail mounted Kinetix 2094 power rail stacking system; up to 7 AM axis modules can be paired with one IAM converter module in a single drive rack

Environmental Operating Conditions

- Operating Ambient Temperature: 0 °C ~ +50 °C (full rated performance without derating below 1000 m altitude)
- Derating Required: Above 1000 m altitude; maximum operating altitude 3000 m with power reduction
- Storage & Transport Temperature: -20 °C ~ +70 °C
- Relative Humidity: 5% – 95% RH, non-condensing, no corrosive gas

Vibration & Shock Resistance

- 5–55 Hz: 0.35 mm double amplitude continuous vibration
- 55–500 Hz: 2.0 g peak acceleration

Protection & Certifications

- Housing Protection Class: IP20 (cabinet internal installation only)
- Global Certifications: UL, cULus, CE, RoHS, Class I Div 2 hazardous location certified

6. Built-in Multi-Layer Hardware Protection

- Output phase short-circuit, phase-ground short protection
- DC bus overvoltage / undervoltage lockout
- I²t motor thermal overload protection
- Module internal over-temperature shutdown
- Auxiliary control power loss detection
- Encoder feedback loss, communication fault detection
- Regenerative overvoltage suppression via integrated shunt resistor

7. Front Panel Diagnostic Indicators

Multi-color LED status lights for rapid on-site troubleshooting without programming software:

- POWER: Control power supply status
- FAULT: Module hardware / motion fault alarm
- SERCOS: Fiber motion bus link & activity status
- STO: Safe Torque Off safety circuit status
- ENABLE: Servo motor power enable signal

8. Core Product Advantages

1. Shared DC bus architecture realizes energy regeneration between axes (braking energy recycled to accelerating motors), cutting overall factory power consumption.
2. Built-in STO safety circuit removes external safety relay wiring, simplifying machine safety compliance design.
3. Internal shunt resistor eliminates separate external brake resistor module for most medium-speed deceleration applications, saving cabinet space.
4. Fiber-optic Sercos bus delivers ultra-low latency synchronized multi-axis motion for high-speed automation.
5. Compact rail-stacked modular design allows flexible axis quantity expansion (1~7 servo axes per drive rack).
6. Mature widely deployed legacy motion platform with full Rockwell software support and abundant global spare parts inventory for equipment maintenance.

9. Typical Industrial Application Scenarios

- Packaging machinery: Filling, labeling, cartoning, vertical form fill seal multi-axis positioning
- CNC automation equipment, mold engraving and metal processing feed axes
- Material handling: Automated palletizers, conveyor sorting, robotic gantry systems
- Printing & converting machines: Film winding, slitting, tension control servo axes
- Food & beverage batch processing automated assembly stations
- Textile spinning, weaving and film stretching high-speed reciprocating axes

10. Compatible Supporting Hardware & Replacement Options

Matching System Components

1. IAM Converter Power Supply: 2094-BC01-M01-S / 2094-BC02-M02-S 400V-class shared bus converters
2. Servo Motors: Kinetix MPF, MPL, MPM 400V rotary servo motors, linear servo motors
3. Cables: Bulletin 2090 motor power cables, encoder feedback cables, Sercos fiber optic cables
4. Accessories: 2094-BSP2 external shunt module (for heavy regenerative loads), 2094-PRF blank slot fillers

Alternative Axis Modules (Kinetix 6000 Series)

- 2094-BM02-S: Higher current 7.5kW axis module for heavy-load axes
- 2094-BM00-S: Lower power small-axis module for light-duty positioning

New Generation Upgrade Drive

2198-D020-ERS3 (Kinetix 5700 single-axis servo drive, direct engineering replacement for machine redesign projects)

Programming Software

Studio 5000 Logix Designer, Motion Analyzer sizing software, RSLinx Enterprise for drive firmware upgrade and fault diagnosis

On Jul 16, 2026 at 04:35:11 PDT, seller added the following information:

AB 2094-BM01-S Series C Axis Module Allen Bradley 2094-BM01-S Factory Sealed NEW

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