Description
Yaskawa CACR-SR07BE12M
Technical Specifications Single-phase 200V AC input power. Rated output capacity 0.7kW. Support incremental encoder feedback signals. Built-in pulse-direction command interface. Analog torque and speed reference input terminals. Equipped with overcurrent, overvoltage, undervoltage, overload and overtemperature protection circuits. Operating ambient temperature range 0°C to 55°C. IP20 enclosure protection grade. Compatible with Yaskawa SGM series servo motors.
Functional Features Receive pulse and direction signals or analog reference commands from PLC and motion controllers. Execute closed-loop regulation based on encoder position feedback. Generate PWM modulated AC power to drive servo motors. Store fault codes and operation state records inside non-volatile memory. Support parameter modification, status monitoring and gain tuning through dedicated Yaskawa configuration software. Provide alarm output contact signals to upper control systems when faults occur. Support electronic gear ratio setting to match mechanical transmission ratios.
Application Scenarios PCB drilling equipment, small machining feed axes, packaging machinery positioning stations, textile automation motion axes, electronic component assembly machines.
Performance Parameters Fast current loop response. Low speed fluctuation under low-speed operation. Stable torque output within rated working range. Rapid fault detection and protection action. Configurable filter parameters to suppress mechanical resonance.
Material Composition Main power printed circuit board adopts heavy copper FR-4 flame-retardant substrate. Power switching components are IGBT modules. Control circuit board uses multilayer FR-4 substrate. Heat dissipation component is extruded aluminum alloy heat sink. Housing is powder-coated cold-rolled steel sheet. Terminal contact parts use nickel-plated copper alloy.
Structural Characteristics Vertical cabinet-mounted book-type structure. Front panel integrates LED status indicators and operation keys for local parameter checking. Top and bottom areas reserve air circulation channels for convection cooling. Terminal areas separate high-power main circuit terminals and low-voltage signal terminals. Internal layout isolates power heat generation area and weak signal control area to reduce electromagnetic interference.
Working Principle AC input power passes through rectifier circuit and forms DC bus voltage. IGBT inverter module converts DC bus voltage into PWM variable-frequency AC power to drive servo motor. The encoder feeds real-time rotor position and speed data back to the internal control processor. The processor compares actual motion value with command value and adjusts PWM output to realize closed-loop motion control. Internal sampling circuits continuously monitor voltage, current and temperature, and trigger protection shutdown once parameters exceed rated limits.
Installation Requirements Mount the servo drive vertically on cabinet mounting plates or DIN rails. Connect single-phase AC power to main input terminals, and connect servo motor power cable and encoder feedback cable to corresponding terminals. Set motor parameters, control mode and gain values through panel or supporting software. Conduct no-load jog test to verify direction and feedback signal before loading mechanical load. Reserve sufficient vertical ventilation space above and below the heat sink.
Precautions for Use Use shielded cables for motor and encoder wiring, and follow EMC grounding standards. Cut off main power supply and wait for DC bus capacitors to fully discharge before touching internal power terminals. Do not modify wiring while the unit is powered on. Back up all parameter files before firmware replacement or drive replacement. Keep the cabinet ventilation channel free from dust accumulation.
