SC725B00101
Wake Industrial LLC is not an authorized distributor of this product.
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The Pacific Scientific SC725B00101, part of the SC720 Command Controllers series, features a stainless steel construction and operates within temperatures of -20°C to 120°C. It has a length of 72.5 mm, a diameter of 25 mm, and supports an M10 x 1.5 thread type. Its pressure rating is 16 Bar and it complies with ISO 9001 standards.
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Product Description:
The SC725B00101 is a command controller from Pacific Scientific that is designed for torque, velocity and position control applications. It supports resolver-based feedback for reliable motor position sensing and uses a 14-bit RDC with 4096 PPR resolution. The encoder signals ensure accurate feedback up to 3000 RPM and provides ±4 arcmin of system accuracy.
The SC725B00101 controller operates with a 240 VAC, three-phase bus power and its control logic accepts 90 to 264 VAC single-phase input. It delivers 30 A of continuous and 60 A peak output current, while its maximum output power reaches 18 kW at 50°C and its continuous output power is rated at 9 kW under full load. The controller integrates a shunt regulator for handling regenerative energy and its peak shunt power is 20 kW while continuous power is 200 W. Its bus voltage is 320 VDC with 240 VAC input and the input current at full load reaches 29 A on the bus side. The SC725 controller’s velocity feedback is derived from selectable tachometer gradients, these include 1, 2, 4 and 8 V/krpm ranges. It offers ±10V of analog input for torque/velocity command while its step and direction or quadrature inputs are available through a digital module. This unit supports quadrature A, B and Z channels with differential line drivers.
The SC725B00101 controller makes all signal and power terminals accessible from the front panel. Its integrated test points provide access to velocity, current and commutation signals. The controller includes protective features for overtemperature, short circuit and overcurrent while uses MOV protection and an I²T protection algorithm as well. Its 7-segment display shows system status and fault codes for external monitoring. The SC725 controller weighs 40 lbs and provides panel mounting.
Frequently Asked Questions about SC725B00101:
Q: What is the benefit of the 14-bit RDC resolution in SC725B00101?
A: The 14-bit RDC ensures high precision for motor position sensing, improving the accuracy of the controller in demanding applications. This makes it ideal for systems that require tight control over motor positioning.
Q: Why does the SC725B00101 support resolver-based feedback?
A: Resolver feedback is known for its reliability and robustness, making it suitable for industrial environments with high vibrations. This ensures consistent performance under challenging conditions.
Q: How does the 30A continuous output benefit the SC725B00101 controller?
A: The 30A continuous output allows for stable and powerful motor control under sustained loads, ensuring reliable performance even in high-demand scenarios. It’s particularly useful for heavy-duty machinery.
Q: What role does the shunt regulator play in the SC725B00101 controller?
A: The shunt regulator efficiently manages regenerative energy, preventing power surges that could damage the system. This ensures long-term durability by handling excess energy during braking or deceleration.
Q: What is the significance of the ±4 arcmin accuracy in the SC725B00101?
A: With a system accuracy of ±4 arcmin, the SC725B00101 provides highly precise motor control, ensuring smooth operation in applications requiring exact positioning. This feature is critical for motion control systems where precision is paramount.
