Yaskawa CACR-SR07BE12M

Product Brief Introduction

Single-axis compact AC servo driver manufactured by Yaskawa Electric, matched with 0.7kW small inertia AC servo motor, used for high-speed high-precision positioning control of small automation motion axes, supporting pulse command control mode for PLC host system connection.
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Description

Technical Specifications

  • Rated Output Power: 0.7kW
  • Input Power Supply: Single-phase AC 200V ~ 230V 50/60Hz
  • Rated Output Current: 5.4A continuous three-phase AC output
  • Encoder Interface Compatibility: 2500ppr incremental optical encoder
  • Command Input Signal Type: Differential pulse/direction control signal
  • Max Input Pulse Frequency: 500kHz differential pulse signal
  • Operating Ambient Temperature: 0°C ~ +55°C continuous operation
  • Protection Function Thresholds: Overvoltage, undervoltage, overcurrent, overload, overheat, encoder disconnection, stall protection

Functional Features

  1. High-gain automatic vibration suppression algorithm for low-rigidity mechanical load positioning elimination
  2. Built-in electronic gear ratio function, arbitrary multiplication and division of command pulse positioning resolution
  3. Multi-segment internal position table without upper controller pulse continuous motion operation
  4. Opto-isolated digital input/output signal terminals for limit switch, alarm reset, enable signal connection
  5. Real-time motor rotor position, speed, torque data digital display on front panel operator unit
  6. Regenerative energy absorption circuit integrated for short-stroke frequent reciprocating motion axes

Performance Parameters

  • Positioning Repeat Accuracy: ±1 pulse resolution mechanical positioning error
  • Speed Adjustment Range Ratio: 1:5000 stable continuous speed regulation
  • Peak Torque Output Capacity: 300% rated torque within 0.5s acceleration period
  • Position Loop Response Bandwidth: 450Hz closed-loop control bandwidth
  • Regenerative Power Absorption Capacity: 120W internal integrated resistor

Material Composition

  • Outer Cabinet Housing: Cold rolled steel plate with electrostatic anti-rust paint coating
  • Main Power IGBT Power Module: Silicon insulated gate bipolar transistor power chip
  • Control Circuit Board: Multi-layer FR-4 shielding circuit board with copper foil anti-interference layer
  • Heat Dissipation Structure: Aluminum alloy extruded fin heat sink with axial cooling fan
  • Terminal Connectors: Metal lock-in aviation plug for motor power and encoder wiring

Structural Characteristics

  1. Vertical DIN rail mount compact single-axis servo driver structure
  2. Front panel equipped with digital operation panel, status LED indicators, parameter setting buttons
  3. Separate upper power wiring area and lower signal control wiring area isolated by metal partition
  4. Rear side integrated cooling fan forced convection heat dissipation structure
  5. Independent aviation plug interfaces dedicated to motor power cable and encoder feedback cable

Working Principle

Receives pulse and direction motion command from upper PLC motion controller; rectifies single-phase AC input power into DC bus voltage via internal rectifier bridge; PWM inverter IGBT module converts DC bus voltage into variable frequency variable voltage three-phase AC to drive servo motor stator winding; collects rotor real-time position signal from incremental encoder to form full closed-loop position-speed-torque three-loop control; automatically suppresses mechanical resonance via built-in filter algorithm; triggers hardware protection and cuts off power output when operating parameters exceed safety threshold range.

Advantage Highlights

  • Compact small volume design occupies minimal cabinet space for miniature automation equipment
  • High response three-loop control achieves ultra-fast positioning for high-speed pick-and-place axes
  • Integrated regenerative resistor eliminates external braking resistor wiring cost for short stroke reciprocating equipment
  • Built-in multi-point position table supports independent motion without continuous pulse input from upper controller
  • Complete full fault protection system prevents servo motor and drive permanent damage under abnormal load conditions

Applicable Industries

3C electronic automatic assembly machines, small laser cutting equipment, precision dispensing equipment, semiconductor packaging micro motion axes, laboratory automated testing platforms, textile embroidery high-speed shuttle axes

Model Series Belonging

Yaskawa CACR-SR Series Small Capacity Single-Phase AC Servo Drives; SR07 represents 0.7kW rated power specification, BE12M defines single-phase 200V pulse command control hardware version

Installation Requirements

  1. Mount vertically on standard 35mm DIN rail inside sealed electrical cabinet
  2. Reserve minimum 50mm vertical clearance above and below driver for cooling fan airflow circulation
  3. Power cable and encoder cable adopt shielded dedicated servo cable, single point shielding grounding at driver side only
  4. Separate servo power wiring from PLC low-speed signal wiring with independent cable ducts
  5. Ambient installation humidity maintained at 10% ~ 80% non-condensing, free of conductive dust

Operation Precautions

  1. Strictly use single-phase AC 200V~230V power supply; 3-phase AC power input will instantly destroy internal rectifier module
  2. Do not operate cooling fan ventilation outlet blocked; overheat protection will trigger frequent shutdown
  3. Match servo motor power strictly to 0.7kW rated capacity; higher power motor will trigger overload protection continuously
  4. Cut off main AC power supply and wait 10 minutes for DC bus voltage discharge before disassembling motor and encoder plugs
  5. Regularly clean heat sink fin dust accumulation every 60 days continuous operation to maintain heat dissipation efficiency
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