1. Product Identification
Full Model Number: 1326-4085-HMC

Pronunciation: "Thirteen-twenty-six dash four-zero-eight-five dash H-M-C"

Product Type: High-Performance Motor Controller (HMC Series)

Manufacturer: Allen-Bradley/Rockwell Automation

2. Key Technical Specifications
Parameter Category Detailed Specification
Motor Compatibility Designed for 1326 series servo motors
Power Rating 4.0kW (5HP) continuous output
Input Voltage 200-480V AC, 3-phase (±10%)
Output Current 8.5A continuous, 18A peak
Control Method Field-oriented vector control
Feedback Interface Hiperface/HMC-compatible encoder input
Communication Protocols EtherNet/IP, DeviceNet, ControlNet
Protection Features Overcurrent, overtemperature, short-circuit
Operating Temperature 0°C to +55°C (derating above 40°C)
Enclosure Rating IP20 (NEMA 1)
3. Functional Description
The 1326-4085-HMC is a high-performance digital servo drive offering:

Precision Control: Sub-millisecond response time for dynamic motion applications

Advanced Tuning: Auto-tuning algorithms for optimal motor performance

Regenerative Braking: Built-in dynamic braking resistor interface

Modular Design: Supports optional I/O expansion modules

Diagnostic Capabilities: Real-time monitoring of torque, speed, and position

4. Typical Applications
Packaging machinery

CNC equipment

Material handling systems

Printing/press applications

Robotics and automation cells

5. Compliance & Certifications
Safety: UL 61800-5-1, CE marked

EMC: EN 61800-3

Industry Standards: IEC 61800 series

6. Ordering Information
Base Unit: 1326-4085-HMC (standard version)

Options:

-A: Advanced firmware package

-S: Safe torque off (STO) safety option

-E: Extended temperature range (-20°C to +60°C)

7. Documentation Reference
For complete technical details:

Rockwell Automation Publication 1326-UM001

User Manual: 1326-5.1-HMC-UM