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The SMC SMC3A301-384.035 is a high-performance 3-axis motion controller engineered for precise coordination of stepper and servo motors in industrial automation applications. As part of SMC’s Series 3 modular motion control platform, the SMC SMC3A301-384.035 delivers advanced trajectory generation, real-time position tracking, and deterministic I/O synchronization—making it ideal for applications demanding sub-micron accuracy and high throughput. Designed for seamless integration into existing control architectures, this module supports both standalone operation and host-based control via standard industrial communication interfaces.
Positioned as a core component in mid-to-high-end automation systems, the SMC SMC3A301-384.035 bridges the gap between PLC logic and complex motion sequences. It offloads computationally intensive path planning from the main controller, reducing cycle times and improving system responsiveness. Commonly deployed in packaging machinery, semiconductor handling equipment, and precision assembly stations, the SMC SMC3A301-384.035 ensures consistent product quality through synchronized multi-axis moves, electronic gearing, and cam profiling—all executed with microsecond-level timing accuracy.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | SMC3A301-384.035 |
| Manufacturer | SMC Corporation |
| Product Type | 3-Axis Motion Controller Module |
| Number of Axes | 3 (stepper or servo compatible) |
| Command Interface | RS-485 (Modbus RTU), Ethernet (TCP/IP optional) |
| Pulse Output Frequency | Up to 4 MHz per axis |
| Encoder Input Resolution | 24-bit quadrature decoding |
| I/O Capacity | 16 digital inputs, 8 digital outputs (isolated) |
| Power Supply | 24 VDC ±10%, 2 A max |
| Operating Temperature | 0°C to +55°C |
| Dimensions (W×H×D) | 120 mm × 100 mm × 80 mm |
| Mounting | DIN rail (35 mm) or panel mount |
| Certifications | CE, UL, RoHS compliant |
Main Features and Advantages
Advanced motion profiling with minimal latency: The SMC SMC3A301-384.035 executes S-curve, trapezoidal, and PVT (Position-Velocity-Time) motion profiles directly on-board, eliminating jitter caused by host communication delays. This enables smooth acceleration/deceleration critical for fragile products like glass substrates or medical vials—reducing mechanical wear and improving yield.
Flexible motor compatibility and tuning: Unlike proprietary controllers, the SMC SMC3A301-384.035 supports both pulse-direction and analog ±10 V command signals, making it compatible with a wide range of third-party servo drives and stepper drivers. Built-in auto-tuning algorithms simplify gain optimization, while real-time error monitoring (following error, overtravel, etc.) enhances operational safety.
Robust industrial communication and diagnostics: Equipped with dual RS-485 ports and optional Ethernet, the SMC SMC3A301-384.035 integrates effortlessly into Modbus-based SCADA systems or higher-level PLC networks. Comprehensive status registers and LED indicators allow rapid troubleshooting—critical during line changeovers or unscheduled stops. All I/O is optically isolated to protect against ground loops in electrically noisy plants.
Compact and service-friendly design: Despite its powerful capabilities, the SMC SMC3A301-384.035 fits into tight electrical cabinets thanks to its slim DIN-rail form factor. Field-replaceable without reprogramming—configuration is stored in non-volatile memory, so swapping units requires only power cycling. This dramatically reduces mean time to repair (MTTR) in continuous production environments.
Application Field
The SMC SMC3A301-384.035 is extensively used in industries where coordinated multi-axis motion is essential for product integrity and throughput. In pharmaceutical packaging lines, it synchronizes bottle indexing, label applicators, and capping heads to ensure zero misalignment at speeds exceeding 300 units per minute. Similarly, in electronics manufacturing, the SMC SMC3A301-384.035 controls XYZ pick-and-place gantries that handle delicate components like QFN ICs or camera modules with ±0.02 mm repeatability.
In the printing and converting sector, the SMC SMC3A301-384.035 enables electronic line shafting across unwind, print, and rewind stations—replacing mechanical gears with programmable cam profiles that adapt instantly to roll diameter changes. This flexibility reduces setup time and material waste during job transitions. Additionally, in laboratory automation, the SMC SMC3A301-384.035 drives precision liquid handling robots where consistent pipetting depth and speed are non-negotiable for assay validity.
Even in legacy machine retrofits, the SMC SMC3A301-384.035 offers a cost-effective upgrade path—replacing outdated cam controllers or relay logic with modern, software-defined motion—without requiring a full control system overhaul. Its open communication protocols ensure future-proof integration with Industry 4.0 data collection platforms.
Related Products
SMC3A201-384.035: 2-axis variant of the same series; suitable for simpler XY tables or gantries.
SMC3A401-384.035: 4-axis version for more complex kinematics like delta robots or SCARA arms.
SMC-IO32: Digital I/O expansion module that pairs with SMC3A301-384.035 for additional sensor/actuator control.
SMC-MT300: Configuration and tuning software suite for programming motion profiles on SMC3A301-384.035.
SMC-PWR24: Dedicated 24 VDC power supply unit optimized for SMC Series 3 motion controllers.
SMC-ENC24: High-resolution encoder interface module for closed-loop feedback enhancement.
SMC3B301-384.035: Enhanced model with built-in EtherCAT master for next-generation servo networks.
