SC723B001
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The Pacific Scientific SC723B001 is part of the SC720 Command Controllers series and features a capacitive sensing method. This controller has a PNP output type with a normally open (NO) function and operates within a voltage range of 10 to 36 VDC. It includes an IP67 protection rating and a robust M12 connector for easy installation.
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Product Description:
The Pacific Scientific SC723B001 Servo Controller is a compact unit designed for smooth high bandwidth velocity and torque control. It supports transformerless 240/120 Vac input and offers reliable operation for various motor control applications. It features encoder feedback, built in braking and flexible interface connectivity.
The SC723B001 servo controller integrates insulated gate bipolar transistor (IGBT) technology with a 20 kHz PWM control. This reduces circuit size, cost and complexity. It includes a custom integrated circuit for motor commutation and drive protection. The controller supports multiple encoder resolutions ranging from 500 to 4096 PPR with accuracy from ± 22 to ± 4 arcmin. The test points are available for velocity, tach monitor, current command, current monitor and commutation signal. the control inputs include Enable, Reset, Inhibit+ and Inhibit−. This controller’s digital personality module communication is managed via a 9600 baud serial port. This module stores settings in EEPROM and is easily replaceable. The Tachometer ripple is rated at .3 % p-p for drive only and .5 % p-p with the standard motor. The controller also features Phoenix screw terminal connections for secure and simple wiring.
The SC723B001 servo controller supports both single and three phase input without requiring an external transformer. The model offers integral power supply within the analog control. The unit’s shunt regulator is built to dissipate regenerative energy safely with a continuous dissipation capacity of 20 W and 3 kW peak. The control logic and bus power inputs are isolated for enhanced system safety. It delivers consistent performance at elevated temperatures rated for operation at + 50 °C ambient. The 4.5 Arms current rating supports moderate load applications while 7.5 A peak output ensures dynamic motion response.
Frequently Asked Questions about SC723B001:
Q: Does the SC723B001 servo controller support simplified integration in multi-phase power environments?
A: It accepts both single and three-phase input without needing an external transformer. The integral analog power supply further reduces system complexity during installation.
Q: How does the SC723B001 handle control signal integrity when interfaced with external systems?
A: The SC723B001 integrates test points for velocity, tach monitor, current command, and commutation signals to simplify signal diagnostics. Its isolated control logic and bus power inputs ensure stable communication and prevent ground loop issues.
Q: Can the Pacific Scientific SC723B001 Servo Controller operate reliably in high ambient temperatures?
A: The SC723B001 is rated for continuous operation in environments up to +50 °C ambient. This makes it suitable for thermally demanding installations where consistent performance is required.
Q: Will encoder resolution variations affect the precision behavior of SC723B001 in closed-loop systems?
A: The controller supports encoder resolutions from 500 to 4096 PPR with accuracy between ±22 to ±4 arcmin. This allows flexibility in matching feedback precision to application-specific control requirements.
Q: What should be considered when using the SC723B001 Servo Controller in regenerative braking scenarios?
A: Its built-in shunt regulator dissipates energy safely, with 20 W continuous and up to 3 kW peak capacity. This helps prevent system overload during aggressive deceleration phases.
