Description
1. At-A-Glance Executive Brief
- Model: SM2337D
- Brand: Moog / Animatics
- Part Type: SmartMotor Integrated Servo Motor
- Weight: 2.27 lbs (approx. 1.03 kg)
- Lifecycle Status: Factory Discontinued / Legacy System Migration Path Compatible
- System Compatibility: Moog Animatics Decentralized Motion Control
2. Technical Introduction
A failed integrated servo on a distributed multi-axis gantry immediately stops production, forcing maintenance teams into a stressful scramble for specialized legacy hardware. The SM2337D combines a high-performance brushless DC motor, integrated encoder, discrete I/O, and motion controller into a single NEMA 23 frame.
Operating on a 48 VDC bus, this unit executes complete motion profiles locally, removing the need for external cabinet-mounted amplifiers and expensive multi-conductor encoder cables. It accepts direct serial commands via RS-232/RS-485 interfaces to manage complex acceleration ramps, holding torques, and positioning loops directly at the mechanical load point.
Engineer’s Takeaway: Consolidating the drive, controller, and motor into one compact footprint drastically reduces cabinet wiring, though it requires strict attention to DC power supply sizing and grounding architecture.
3. Core Technical Specifications
| Parameter | Value |
| Frame Size | NEMA 23 |
| Input Voltage | 24 to 48 VDC |
| Output Power | 0.10 kW |
| Rated Current | 3.9 A |
| Rated Speed | Up to 4,800 RPM (Application Dependent) |
| Communication | RS-232 / RS-485 (Base Model) |
| Feedback | Integrated Quadrature Encoder |
| Protections | Over-voltage, Over-current, Over-temperature |
4. Field Engineer’s Tech Notes
- Regenerative Energy on Vertical Loads: Freewheeling vertical applications or heavy deceleration profiles will back-drive energy into the power supply. Always install a voltage shunt to protect the SmartMotor from over-voltage faults, especially since the unit operates right at its 48VDC upper limit.
- Communication Ground Loops: Ground loops on serial communication lines cause severe packet drops and erratic motor behavior. Avoid tying the communication ground to the main power ground haphazardly; use isolated RS-485 adapters or strictly isolate the power supply for single-axis applications to maintain signal integrity.
5. Adaptive QA & Testing Protocol
Each SmartMotor undergoes a controlled bench validation before leaving our facility. Technicians power the DC bus up to 48V to verify base amplifier health, followed by interrogating the onboard memory via serial ping tests. The unit is then run through programmed position and velocity modes under simulated loads to confirm quiet bearing performance and accurate encoder tracking. Comprehensive test logs and video verification of the motor executing targeted motion profiles can be provided to support your procurement requirements.
6. Buyer’s FAQ
- What is the standard warranty length for this integrated motor?All New Surplus (NSFP) and refurbished SM2337D units include a comprehensive 12-month operational warranty covering the motor and internal electronics from the invoice date.
- Are lead times affected by the factory discontinued status?No. We stock these obsolete units locally and ship them via expedited freight to bypass extended OEM sourcing delays.
