Omron R7M-A40030-BS1 SmartStep AC Servo Motor

Description

Engineered for highly dynamic motion control applications, the Omron R7M-A40030-BS1 serves as a rugged AC Servo Motor within the SmartStep series architecture. This 400W cylindrical motor provides precise positioning and high-torque performance in a compact footprint, making it ideal for point-to-point automation systems. Equipped with an integrated electromagnetic holding brake and a keyed shaft with tap, this model ensures reliable holding torque and secure mechanical coupling under demanding operational conditions.

Features

• High-Torque Performance: Provides continuous rated torque matching demanding positioning cycles.
• Integrated Holding Brake: Built-in 24 VDC electromagnetic brake prevents axis drift during power-loss or disabled states.
• Keyed Shaft End: Features a robust keyed configuration with tap (S1 specification) for positive-drive mechanical transmission.
• High-Resolution Feedback: Integrates seamlessly with SmartStep drives for closed-loop stability.
• Compact Enclosure: Low-inertia cylindrical design designed for space-restricted machine layouts.

Applications

• Multi-axis pick-and-place assembly machines
• Packaging line indexing and collation belts
• Semiconductor wafer handling and positioning tables
• X-Y Cartesian coordinate gantry systems

Technical Specifications Table

Connections and Interfaces

Empirical Engineering Insights

Alternative Models & Compatibility

The R7M series motor is designed for pairing with the matching Omron SmartStep R7D series servo drives. When replacing an older legacy model, ensure the drive firmware is updated to prevent commutation offset faults. Substituting a non-braking unit (R7M-A40030) with this braking model (R7M-A40030-BS1) requires an external 24 VDC relay control circuit to handle the brake release timing sequence.

Application Pitfalls & Engineering Notes

Do not use the integrated electromagnetic brake for dynamic deceleration or stopping. The brake is designed strictly as a static holding mechanism to maintain axis position when the motor is de-energized. Subjecting the brake to dynamic friction will cause premature friction plate wear and lead to holding mechanism failure.

Commissioning & Wiring Tips

Keep encoder cabling and high-power motor phases separated by at least 100 mm in wiring ducts. Avoid running them parallel to prevent electromagnetic interference (EMI) from generating false feedback pulses. Always ground the green/yellow motor lead to the machine frame or servo drive grounding terminal to minimize common-mode leakage currents.

Installation Guidelines