DIGIFAS 7201-SPS
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The DIGIFAS 7201-SPS servo amplifier is designed with dimensions of 80 x 398 x 200 mm, boasts a current of 80 A, has a power loss of 25 W, and operates at a frequency of 50/60 Hz. As part of the DIGIFAS 7000 Servo Amplifiers from Kollmorgen, it features a Class A EMC level.
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Product Description:
Kollmorgen made the DIGIFAS 7201-SPS Servo Drive for high-performance motor control and efficient power management applications in industrial automation. The servo drive can supply 75W of continuous ballast power internally and 3.2 kW of pulse power for up to one second.
Efficient energy conversion is supported by the DIGIFAS 7201-SPS servo drive that runs with a minimum motor inductance of 25 mH. Its subordinate current controller guarantees quick response to control commands with a bandwidth of 1 kHz. An exact signal range of ±10V is provided by the setpoint input that has a 14-bit resolution. Stable signal transmission is enabled by an input resistance of 20 kΩ. The signal precision is maintained with a maximum input drift of ±30 μV/K. For accurate signal identification, the servo drive has digital control inputs rated for 12-36V and a 7mA control input current. When operating without a brake, the auxiliary voltage supply can function within an isolated range of 18-36V. However, when a brake is included, it can run within a range of 24V ±10% / -5% that provides flexibility in system configurations. To guarantee correct performance when the motor is decelerating, the braking system can handle a maximum output current of 1A.
The DIGIFAS 7201-SPS servo drive has a voltage supply option of 24V ±10% that makes it suitable for low-power applications. This setup is compatible with low-power control systems because the current supply is 0.1A rated. To safeguard against excessive electrical loads, the servo drive is built with a switch-off threshold of 750V in the event of overvoltage. To keep performance accurate, the output current's form factor stays at 1.01 underrated specs and minimum load inductance.
Frequently Asked Questions about DIGIFAS 7201-SPS:
Q: Why does DIGIFAS 7201-SPS have a 1 kHz bandwidth?
A: The 1 kHz bandwidth ensures fast current control response. It enhances motor performance by reducing delays in dynamic load conditions.
Q: Does DIGIFAS 7201-SPS support a resolver interface for feedback?
A: Yes, it includes a SubD 9-pin resolver interface. This enables accurate position and speed feedback for precise motor control.
Q: Do the digital control inputs of DIGIFAS 7201-SPS support 36V?
A: Yes, the digital control inputs support a voltage range of 12-36V. This ensures compatibility with various control systems.
Q: Why does DIGIFAS 7201-SPS require a minimum 25 mH inductance?
A: A minimum of 25 mH inductance ensures stable current regulation. It prevents excessive ripple that can affect motor performance.
Q: How does DIGIFAS 7201-SPS manage overvoltage protection at 750V?
A: It has a switch-off threshold at 750V to protect internal circuits. This prevents damage from sudden voltage spikes.
