Servomotor with integrated controller CM3-17S50A

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Overview
COOL MUSCLE 3 (CM3) is an integrated AC servo system combining motor, driver, controller and encoder in a single unit. The design focuses on essential motion-control functions to offer a compact, easy-to-integrate solution for space- and wiring-constrained equipment.

Key concepts

• All-in-one AC servo: motor with built-in driver, controller and encoder to reduce wiring and installation footprint.
• Stepper-motor-based architecture delivering servo-equivalent dynamic performance through proprietary control algorithms that prevent step-out and reduce heat and noise.
• Optimized for desktop, mobile and other small-size equipment where control panel space is limited.

Control types

• Direct Type (Communication Control): RS232C serial command control for direct positioning (position, speed, acceleration). Store and execute up to 32 Motion Data points.
• I/O Type: Motion Data selection and execution via PLC I/O signals; up to 8 Motion Data points can be stored.
• Pulse Type: Pulse input control compatible with existing PLC pulse systems; includes ABZ output for drop-in replacement.

Performance advantages

• High continuous torque at low speeds—enables high torque output from a small motor in low-speed ranges.
• High acceleration/deceleration for reduced cycle times in repetitive applications.
• Servo-equivalent responsiveness and high-speed control suitable for precise positioning.
• Low speed ripple and smooth vector-control motion reduce noise and vibration, improving measurement and inspection accuracy.
• Load-based current control minimizes consumption and heat generation, enabling extended continuous use and suitability for battery-powered systems.

Stepper motors comparison (evaluation items)

• Torque (low speed): High torque without step-out risk—allows downsizing when load increases.
• Maximum speed: High-speed control comparable to servo motors for quick moves and stops.
• Speed stability: Low speed ripple for improved measurement accuracy.
• Responsiveness: Fast acceleration/deceleration improves throughput for short-distance positioning.
• Loudness: Smooth vector control reduces audible noise—suitable for noise-sensitive equipment and image inspection.
• Current level: Controlled per load to minimize consumption.
• Temperature: Low heat generation enabling long-term continuous operation.

Applications / Recommended usage

• Desktop, mobile and small-size equipment where control panel space is limited.
• Machines requiring powerful and precise motion in restricted spaces.
• AGVs and battery-powered systems where energy efficiency is important.
• Upgrades or replacements for existing pulse-based systems (ABZ output compatibility).

Technical specifications

• Product family / model name: CM3
• Integrated components: driver, controller, encoder (built into motor)
• Control interfaces: RS232C (Direct Type), PLC I/O selection (I/O Type), Pulse input with ABZ output (Pulse Type)
• Motion Data storage: Direct Type up to 32 points; I/O Type up to 8 points
• Rated torque (example): 0.32 Nm
• Maximum torque (example): 1.50 Nm
• Designed features: low heat generation, energy saving, high acceleration/deceleration, low noise, speed stability