SC726A-001
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The SC726A-001 is a solenoid coil with a voltage rating of 24 VDC and a power consumption of 10.1 Watts. Manufactured by Pacific Scientific as part of the SC720 Command Controllers, it features an IP65 enclosure rating. It is CE and RoHS compliant with DIN 43650 Form A connector type and thermoplastic encapsulation material.
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Product Description:
The SC720 series control drive SC726A-001 is designed by Pacific Scientific to provide 60 A of continuous and 120 A of peak current output. It requires 240 VAC 3-phase input and 90 to 264 VAC 1-phase for control logic operations. The drive’s bus voltage reaches up to 320 VDC during operation and it comes with built-in shunt regulator of 40 kW peak and 500 W continuous capacity.
The SC726A-001 drive features a resolver feedback system with encoder emulation output and its standard output resolutions are selectable from 500 to 1024 PPR. Its encoder resolution is 12 bits with ±12 arcmin of accuracy and its supports ±10V analog command along with quadrature/step-direction inputs. This drive is presented with a 20 kHz PWM IGBT output stage that ensures high-frequency and smooth motor response. Its current loop bandwidth ranges from 750 Hz to 3000 Hz and the velocity input drift is rated at 50 mV/°C under standard conditions. Test points are accessible from the front panel for velocity and current checks. It provides dedicated terminals for resolver, PTC and user enable inputs. Its encoder outputs include CHA, CHB, CHZ and separate PROBE as well as HOME inputs. The SC726A drive’s control inputs include enable, reset, inhibit plus and inhibit minus. Its status diagnostics are displayed via a 7-segment code indicator and it provides over-temperature, short circuit and IT fault protection. The unit offers inrush limiting current feature for input lines.
The SC726A-001 drive is compatible with analog, digital or SERCOS modules and its analog module includes DIP switches and potentiometers for setup. Its digital module uses serial communication and DPM dialogue software. The SERCOS module connects through fiber optics and supports multi-axis control. This SC726A drive offers panel-based mounting and it measures 23.88 x 10.63 inches.
Frequently Asked Questions about SC726A-001:
Q: What is the maximum output current of the SC726A-001 drive?
A: The SC726A-001 offers a continuous output of 60A and can handle a peak current of 120A, ensuring robust performance under high loads.
Q: How does the resolver feedback system enhance the drive's performance?
A: The resolver feedback system of the SC726A-001 provides precise position and speed tracking, enhancing motor control accuracy and reliability in dynamic applications.
Q: Why is the SC726A-001 drive equipped with a built-in shunt regulator?
A: The built-in 40 kW peak and 500W continuous shunt regulator in the SC726A-001 helps maintain a stable voltage during operation, preventing power surges and ensuring system protection.
Q: How does the SC726A-001's encoder resolution contribute to motor control?
A: The SC726A-001’s encoder resolution of 12 bits and ±12 arcmin accuracy allows for precise feedback, improving the control of the motor's speed and position.
Q: What is the significance of the 20 kHz PWM IGBT output stage in the SC726A-001?
A: The 20 kHz PWM IGBT output stage in the SC726A-001 ensures smooth and high-frequency motor response, which helps reduce noise and vibration during motor operation.
