SC903-001-01 Pacific Scientific
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The Pacific Scientific SC903-001-01 is a servo drive from the SC900 Servo Drives series. It features both analog and incremental digital command interfaces and has a continuous output current of 7.5 Amps at 25°C convection. The drive delivers a continuous output power of 2.2 kW at 240V three-phase and achieves 96 percent power stage efficiency.
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Product Description:
The SC903-001-01 servo drive from Pacific Scientific belongs to the SC900 Servo Drives series. It is a three-phase AC controller that regulates torque, speed, and position of brushless servomotors in automated machinery. The drive converts motion commands from the main control system into controlled current and voltage output for accurate axis response during indexing, conveying, and synchronized movement. This allows the connected motor to respond smoothly to changing loads while maintaining the commanded motion profile. By combining power electronics and feedback conditioning in one enclosure, the unit helps reduce panel space and keeps wiring compact in material handling, packaging, and other motion-control applications.
The drive accepts an analog or incremental digital command interface, so velocity or position references can be supplied as ±10 V signals or as quadrature step lines. Under natural convection at 25 °C, the power stage delivers a continuous phase current of 7.5 A and a peak current of 15.0 A for short load transients. This current capacity supports steady running loads and brief acceleration demands without requiring forced-air cooling. The power section operates with an efficiency of 96%, which helps limit heat generation inside the cabinet during normal operation. Input flexibility also allows the drive to work with control layouts that use direct reference signals instead of network-based commands.
On a 240 V three-phase supply, the drive provides a continuous output power of 2.2 kW and can reach 4.5 kW during brief acceleration intervals. Motor matching stays within the intended range when line-to-line inductance is no more than 2 H and no less than 2.0 mH, which supports stable current-loop behavior with compatible motors. The unit does not include dedicated fieldbus hardware, so setup is handled locally through the analog or incremental digital interface. This arrangement suits installations that use direct command wiring instead of network communication. It also avoids the need for protocol-specific connectors and related bus settings.
Frequently Asked Questions about SC903-001-01:
Q: What command interface options are available on the SC903-001-01 servo drive?
A: The SC903-001-01 can be controlled using either an analog or incremental digital command interface.
Q: What is the peak output current of the SC903-001-01?
A: The maximum peak output current for this drive is 15.0 A.
Q: What is the peak output power of the SC903-001-01 at 240 VAC?
A: This servo drive delivers a peak output power of 4.5 kW at 240 VAC.
Q: What is the continuous output current of the SC903-001-01 under convection cooling at 25°C?
A: At 25°C with convection cooling, the SC903-001-01 provides a continuous output current of 7.5 A.
Q: What power stage efficiency does the SC903-001-01 offer?
A: The power stage efficiency of this model is rated at 96%.
