SC904AN-001-01
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The SC904AN-001-01 is a compact solenoid coil weighing just 80 grams with a thermoplastic body material. Manufactured by Pacific Scientific and part of the SC900 Servo Drives Series, it operates on 24V DC with a power consumption of 6.5 W. This coil is IP65 rated and functions efficiently in temperatures from -10°C to +50°C.
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Product Description:
The Pacific Scientific SC904AN-001-01 Servo Drive is designed to deliver high-efficiency performance, and it can be mounted at an elevation of a maximum of 1600 meters (5280 feet). This servo drive is compatible with a broad input voltage range of 90 VAC to 264 VAC to provide versatility under changing supply conditions.
With an ambient temperature of 25 °C, this servo drive delivers a continuous current output of 15 A to support smooth and consistent motor operation. For dynamic changes in load, this drive provides a short peak of 30.0 A output current to allow for momentary performance boosts where extra torque or speed is needed. When used with a three-phase 240 VAC power supply, the SC904AN-001-01 provides continuous output power of 4.5 kW. It can even reach a peak output power of 9 kW in stressful situations to operate optimally without the possibility of thermal overloading. For extra energy management, the built-in shunt regulator of this drive provides a peak power of 12 kW for 300 milliseconds to suppress voltage during regenerative braking or power surges.
This drive has a bus capacitance energy absorption rating of 30 joules, derived from a 320 V nominal bus, to assist with controlling excessive energy during transients. For startup surge handling, this servo drive comes with an inrush pulse width of 2 milliseconds and an inrush peak current of 340 A to provide reliable power-up without affecting upstream components. With a high power stage efficiency of 97%, the SC904AN-001-01 reduces energy loss and enables energy-saving operations. This servo drive’s output current ripple frequency is set at 20 kHz to provide smoother motor control and lower audible noise. This drive also includes a 30 A 250 V Slo-Blo fuse, which can sustain short-duration overcurrent without nuisance tripping.
Frequently Asked Questions about SC904AN-001-01:
Q: How does the 20 kHz ripple frequency benefit motor control?
A: It reduces torque ripple and audible noise during operation. This ensures smoother performance in precision motion applications.
Q: Why is a 12 kW shunt regulator important in this drive?
A: It helps manage regenerative energy during braking. This prevents overvoltage and protects connected components.
Q: What is the role of the 30 J bus capacitance energy absorption in SC904AN-001-01?
A: It buffers sudden voltage spikes from the bus line. This improves voltage regulation and system stability.
Q: How does the 340 A inrush peak current affect installation?
A: It requires proper upstream circuit design to handle power-up surges. Failing to manage this may trip protection devices.
Q: What function does the 30 A 250 V Slo-Blo fuse serve?
A: It protects against prolonged overloads without reacting to short transient currents. This prevents nuisance trips during brief current spikes.
