SC755A-001-02
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The SC755A-001-02 is a hex head screw crafted from carbon steel with a zinc-plated finish for moderate indoor corrosion resistance. Manufactured by Pacific Scientific as part of their SC750 Servo Drives series, the screw features an M10 x 1.5 metric coarse thread and measures 55 mm in length.
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Product Description:
The Pacific Scientific produces the drive module SC755A-001-02, engineered for controlling brushless servo motors with precision. It output power capacity is up to 18000 W and its continuous power rating is 9000 W. The drive supports a steady current of 30 A and it can handle a peak load current of up to 60 A, while its required bus voltage is 320 VDC.
The SC755A-001-02 drive needs a cabinet depth of 12 inches and requires a minimum clearance of 4 inches above and below for ventilation. It gets cooled via natural convection along with integrated fan and carries a weight of 40 lbs. The unit supports programmable digital position controller and a resolver feedback system with ±22 arcmin of system accuracy. It includes memory for upgradation according to programming needs and its provided communication interfaces are RS-485, RS-422 and RS-232. The SC755A drive offers up to 95% of energy saving and requires 5 to 7.5 KVA of transformer size. Its multiple safety features protect against overtemperature, short circuits and low voltage. The drive’s position control is highly accurate with 4096 steps/rev and its position loop updates occur every 1.28 ms for real-time adjustments. The velocity loop updates in 427 μs for precise speed control and the drive can command speeds from 0 to 12000 r/min, while the velocity resolution is maintained at 0.67 r/min using resolver feedback.
The SC755A-001-02 drive supports an optional ±4 arcmin resolver as well for higher precision and it features encoder emulation up to 16384 ppr. It includes 4 dedicated control inputs and 16 optically isolated general-purpose inputs for flexible interfacing. This SC755A drive also provides 12 open-collector outputs rated at 100 mA each and its fast registration input captures data within 5 μs. Its program retention is ensured for 10 years without data loss.
Frequently Asked Questions about SC755A-001-02:
Q: How does the SC755A-001-02 drive ensure real-time speed control?
A: The velocity loop updates in 427 microseconds, allowing for precise speed control. This fast response is crucial in dynamic systems where maintaining accurate speed is critical.
Q: Why does the SC755A-001-02 support programmable digital position control?
A: The programmable digital position controller allows for tailored positioning setups based on specific system needs. This flexibility ensures compatibility with various motion control applications.
Q: What is the purpose of the 12 open-collector outputs in the SC755A drive?
A: These outputs are designed for controlling external devices such as relays or alarms. The 12 open-collector outputs provide flexible interfacing options for complex systems.
Q: How does the SC755A-001-02’s memory retention benefit users?
A: The drive retains program data for up to 10 years without data loss, even without power. This ensures that users won’t lose critical system settings over extended periods of non-use.
Q: How does the SC755A-001-02's resolver feedback system enhance performance?
A: The resolver feedback system with ±22 arcmin accuracy ensures highly accurate positioning and motion control. This feature is especially beneficial in systems requiring exact positioning, such as robotics and automated systems.
