Product Short Description
Product Overview
The SM23165D is a compact all-in-one integrated servo motor manufactured by MOOG Animatics under the Class 5 SmartMotor product series, built to comply with global NEMA 23 mechanical mounting standards. This unit eliminates separate external servo drive amplifiers, standalone motion control processors, independent encoder wiring looms and auxiliary signal terminal blocks by consolidating every core functional component into a single sealed metal housing.
Description
Electrical Power & Torque Performance Parameters
- Nominal Operating Bus Voltage: 48VDC regulated DC input
- Nominal Continuous Output Power: 181W
- Continuous Rated Torque: 40 oz-in / 2.05 in-lb / 0.28 N·m
- Peak Transient Overload Torque: 64 oz-in / 4.00 in-lb / 0.45 N·m
- Maximum Continuous Operating Current at 6500 RPM: 4.70A RMS
- Peak Instantaneous Transient Current: 6.38A RMS
- Motor Winding Voltage Constant: 4.45 V/kRPM
- Motor Winding Inductance at 20°C: 0.829 mH
- Number of Magnetic Poles: 8 poles brushless rare earth permanent magnet rotor
Speed & Encoder Position Feedback Parameters
- Rated Continuous Stable Operating Speed: 6500 RPM
- Maximum No-Load Top Rotational Speed: 10400 RPM
- Built-In Optical Incremental Encoder Resolution: 4000 counts per single full rotor revolution
- Static Mechanical Position Control Accuracy: ±0.1° angular positioning error
- Rotor Rotational Moment of Inertia: 0.00099 oz-in-sec² / 0.6991×10⁻⁵ kg·m²
Mechanical Dimension & Shaft Load Bearing Parameters
- Standard Frame Flange Size: NEMA 23 (57.15mm square front mounting flange)
- Output Solid Drive Shaft Diameter: 0.250 inch / 6.35mm
- Maximum Allowable Continuous Radial Shaft Load: 7lb / 3.18kg
- Maximum Allowable Continuous Axial Thrust Shaft Load: 3lb / 1.36kg
- Total Overall Motor Body Length: 59.40mm
- Net Single Unit Weight: 0.62kg
- Standard Shaft Extension Length: 21mm
- Front Mounting Flange Thickness: 6mm
- Four M4 threaded mounting holes evenly distributed on front flange surface
Onboard Digital I/O Configuration Parameters
- Total Built-In Digital Signal Channels: 7 independent 5V TTL non-isolated digital I/O points
- Freely Configurable Channel Modes: Digital input for equipment travel limit switches, photoelectric presence detectors, proximity position sensors, machine cycle start/stop trigger switches; digital output for small solenoid valves, equipment status indicator lamps, miniature signal relay coils and audible cycle completion alarm buzzers
- Digital Input Signal Threshold Standard: Low level signal below 0.8V, high level signal above 2.4V
- Maximum Single Channel Digital Output Sourcing Current: 20mA
- Optional External Expansion Hardware: Separate add-on expansion module supporting 10 channels of 24VDC galvanically isolated digital I/O for high-noise heavy industrial workshop field environments
Communication Interface & Fieldbus Protocol Parameters
- Primary Physical Connector Standard: D-Sub 15 pin metal locking industrial connector integrated on motor rear housing
- Native Serial Communication Physical Layers: RS232 point-to-point serial link, RS485 multi-drop bus
- Supported Standard Industrial Communication Protocols: Modbus RTU, CANopen DS402 motion profile protocol, DMX lighting control protocol, I²C peripheral interconnection bus
- MOOG Proprietary Combitronic™ Distributed Motion Network Support: Direct peer-to-peer interconnection between multiple SM23165D servo units to execute synchronized multi-axis coordinated motion workflows without external master control hardware
- Maximum Allowable Node Quantity on Single RS485 Multi-Drop Bus: 32 individual SmartMotor servo motors
Environmental Operating & Mechanical Durability Parameters
- Continuous Operating Ambient Temperature Range: 0°C to +50°C
- Long-Term Spare Unit Storage Temperature Range: -20°C to +70°C
- Allowed Relative Humidity Operating Limit: 5% to 90% non-condensing atmospheric moisture
- Standard Factory Ingress Protection Rating: IP54 dust and light splash water resistance for motor main housing
- Mechanical Vibration Compliance Standard: IEC 60034 rotating electrical machinery vibration grade N standard
- Short-Duration Mechanical Shock Resistance Rating: Capable of withstanding 10g peak mechanical shock during equipment transportation and normal machine operation
Safety, Compliance & Built-In Hardware Protection Parameters
- Low Voltage Industrial Equipment Safety Certification: UL60950-1, IEC60950-1 standard
- Electromagnetic Compatibility Compliance Certification: CE EN61000-6-2 heavy industrial EMC noise immunity standard, CE EN61000-6-3 light industrial electromagnetic emission standard
- Hazardous Substance Environmental Compliance Certification: RoHS lead-free and restricted hazardous chemical substance certification
- Full Set Integrated Hardware Safety Protection Circuits: Over-current instantaneous output cut-off protection, over-voltage permanent latch shutdown protection, under-voltage motion operation lockout protection, internal power component over-temperature complete power disable protection, rotor stall locked rotor fault interlock protection, output wiring short-circuit permanent fault latch state protection
- Internal Program Storage Medium: Non-volatile flash memory chip, all user motion programs and configuration parameters retain permanently after full power supply disconnection
Core Functional Features
All-In-One Integrated Hardware Architecture Eliminating Discrete External Drive Hardware
Every critical motion control component required for full closed-loop servo operation is fully integrated within the single compact NEMA23 motor housing structure. This consolidated design removes the requirement for separate rack-mounted servo drive chassis, independent motion control PLC hardware, dedicated encoder signal wiring looms and auxiliary terminal wiring blocks. The drastic reduction in discrete external hardware cuts the total quantity of wiring connections within equipment control cabinets, minimizes overall machinery footprint size and lowers total system component procurement, assembly and long-term maintenance costs for automated machine builders.
Independent Standalone Motion Programming Execution Without External Master Controllers
A dedicated high-speed motion processing CPU is embedded within the motor internal circuit assembly, with full native support for proprietary SMI high-level motion programming language. Machine builders can pre-program complete complex motion sequence logic directly into the non-volatile flash memory storage integrated on the motor printed circuit board. Supported standalone motion workflows include single-axis point-to-point positioning, continuous reciprocating back-and-forth cyclic motion, electronic cam contour following, electronic gearing synchronized axis tracking, variable speed trapezoidal motion profile generation and conditional logic triggered by digital input sensor signal state changes. All pre-stored motion programs execute autonomously upon equipment power-up without requiring continuous real-time command signal transmission from external PLC or industrial computer master control hardware.
Single Composite Cable Unified Power and Communication Transmission Design
A single multi-core composite cable connects the SM23165D motor to the equipment power distribution terminal block and control bus network simultaneously. This single cable design consolidates 48VDC DC power supply conductors, RS485 communication data lines, digital I/O signal wiring and encoder feedback signal traces within one unified cable outer sheath. The consolidation of all power, signal and communication wiring into one cable drastically reduces wiring complexity during machine assembly production lines, eliminates messy multiple separate cable routing within equipment enclosures and reduces the risk of wiring misconnection during equipment build and field maintenance service work.
Combitronic™ Peer-To-Peer Distributed Multi-Axis Synchronization Technology
The SM23165D unit natively supports MOOG proprietary Combitronic distributed motion network technology. Multiple SM23165D servo motors can be interconnected directly via dedicated Combitronic communication wiring without any intermediate master control PLC hardware or external motion coordinator equipment. Each individual motor’s embedded motion CPU executes independent parallel motion calculation logic simultaneously, enabling ultra-high precision synchronized multi-axis coordinated motion workflows including electronic gearing, cam profile synchronous tracking and coordinated contour cutting movement. The peer-to-peer distributed processing architecture eliminates single point processing bottlenecks common to traditional centralized motion control systems relying on a single master controller unit.
Multi-Channel Configurable Digital Input and Output Interlock Logic Processing
Seven independent 5V TTL non-isolated digital I/O channels are built directly onto the motor internal control circuit board assembly. Each individual channel can be freely reconfigured via SMI programming logic to operate either as a digital input signal receiver or a digital output signal driver. Digital input channels accept sensor trigger signals originating from equipment travel limit switches, photoelectric presence detectors, proximity position sensors and machine cycle start/stop trigger switches. Digital output channels supply low-current drive signals to actuate small solenoid valves, equipment status indicator lamps, miniature signal relay coils and audible cycle completion alarm buzzers. Independent interlock conditional logic can be programmed directly within the motor’s embedded CPU to execute automatic motion stop, speed reduction or fault alert output actions in direct response to digital input sensor state changes, removing the requirement for external PLC interlock logic processing for basic machine safety and cycle control workflows.
Multi-Stage Built-In Hardware Fault Detection and Automatic Protection Circuitry
Comprehensive multi-layer hardware monitoring and automatic fault protection circuits are integrated across all internal motor printed circuit board assemblies, providing full coverage against all common electrical and mechanical operating fault conditions. Continuous real-time monitoring circuits track DC input supply voltage magnitude, motor winding operating current levels, internal power conversion component surface temperatures and rotor rotational stall state. If any monitored operating parameter exceeds factory calibrated safe operating threshold limits, dedicated hardware protection logic immediately triggers automatic safety shutdown actions to prevent permanent irreversible damage to internal motor electrical components. Implemented protection mechanisms include over-current instantaneous output cut-off, over-voltage permanent latch shutdown, under-voltage motion operation lockout, internal over-temperature complete power disable, rotor stall locked rotor fault interlock and output wiring short-circuit permanent fault latch state. Upon fault detection, the motor stores a permanent timestamped fault code record within internal non-volatile memory storage for later maintenance troubleshooting and fault root cause analysis.
Low Inertia Rotor Assembly Delivering Ultra-Fast Dynamic Motion Response
The motor rotor assembly utilizes a lightweight optimized mechanical construction paired with high-performance sintered neodymium iron boron rare earth permanent magnet magnetic steel surface mounting layout. This precision engineered rotor design achieves an extremely low rotational moment of inertia value, enabling exceptionally rapid acceleration and deceleration dynamic response characteristics during high-speed cyclic machine operation. The unit can reach full rated maximum operating speed from complete stationary stop state within minimal time intervals, and execute rapid direction reversal motion sequences with minimal mechanical vibration and angular positioning overshoot error. The low inertia rotor performance is ideal for high-frequency repetitive pick-and-place handling machinery, rapid reciprocating cutting axes and fast cycle packaging automation equipment demanding ultra-responsive dynamic motion performance.






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