SC753A-040-08
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The Pacific Scientific SC753A-040-08, part of the SC750 Servo Drives series, is a stainless steel socket cap screw with a passivated finish. It features a 7/16-20 UNF thread, a tensile strength of 120,000 psi, and a temperature rating of -58°F to 572°F. The screw has a length of 0.8 inches.
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Product Description:
The SC753A-040-08 is a servo drive from SC750 series engineered by Pacific Scientific. It supports serial communication interfaces of RS-232, RS-485 and RS-422 at 9600 baud. This drive has a current loop bandwidth that ranges between 1500 to 3000 Hz while its acceleration and deceleration rates range from 3 to 16000000 rpm/sec.
The SC753A-040-08 drive supports a peak current of 15 A and continuous current up to 7.5 A for sustained operations. It provides a peak output power of 4500 W at 230 VAC, 3-phase and 4000 W at 230 VAC, single phase. The drive has 77 W of power dissipation at full load and its feedback accuracy is maintained within ±22 arcminutes. Its weighs 16 lbs in total and supports a storage temperature range of 218.15 K to 343.15 K, while it operates reliably up to a maximum altitude of 5000 ft. The SC753A drive provides a peak tracking rate of 13733 rpm for rapid response and it supports eleven programmable outputs for flexible system integration. It features a current monitor scale factor of 0.28 V/A and its efficiency is rated greater than 95% when operating at 50% of rated output. The unit’s torque limit can be set from 0% to 100% of the peak current and it includes a speed command range between 0 to 12000 rpm, while its velocity loop updates every 0.000427 sec to maintain accuracy.
The SC753A-040-08 drive is equipped with a ±5 V analog output at 12-bit resolution and analog input is available at ±12.5 V with 16-bit resolution. Its control inputs include enable, fault reset and inhibit plus for system safety. This SC753A drive offers twelve programmable inputs and two fast counter inputs for advanced control and its position loop refreshes every 0.00128 sec.
Frequently Asked Questions about SC753A-040-08:
Q: What is the role of the ±5 V analog output in the SC753A-040-08 drive?
A: The ±5 V analog output in the SC753A-040-08 drive provides high-resolution feedback, allowing precise monitoring of motor performance and system response.
Q: Why does the SC753A-040-08 have a velocity loop update time of 427 microseconds?
A: This fast update time ensures high precision in speed control, enabling the SC753A-040-08 to respond to dynamic load changes effectively.
Q: Why is the SC753A-040-08 drive rated for greater than 95% efficiency at 50% of rated output?
A: The efficiency rating reduces energy consumption and heat generation, making the SC753A-040-08 ideal for long-term, energy-efficient operation in industrial environments.
Q: What advantage does the SC753A-040-08’s current monitor scale factor of 0.28 V/A provide?
A: This scale factor allows for precise current measurements, which is essential for accurate load monitoring and fine motor control in real-time applications.
Q: What types of control inputs are available on the SC753A-040-08 drive?
A: The SC753A-040-08 includes inputs for system enable, fault reset and inhibit, ensuring both safety and flexibility for integration in complex control systems.
