VT-SSPA1-150-1X/V0/0-24
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The VT-SSPA1-150-1X/V0/0-24 proportional amplifier has an operating voltage of 24 V, a nominal current of 0.8 A, a clock frequency at Imax of 150 Hz, and weighs 0.125 kg. Designed as part of the VT-SSPA Plugin Proportional Amplifiers by Bosch Rexroth Indramat, it offers IP65 protection with mounted cables.
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Product Description:
For accurate control of hydraulic valves operated by a solenoid, Bosch Rexroth Indramat offers the VT-SSPA1-150-1X/V0/0-24 plugin amplifier. In response to changes in operating voltage, solenoid impedance, and current level, it supplies a freely timed power output stage. Accurate signal processing is guaranteed by the differential input capabilities, and the presetting of command values can range from 0 to the supply voltage UB.
To regulate the on/off impulses, the VT-SSPA1-150-1X/V0/0-24 amplifier has a ramp generator that allows to modify the ramp-up and ramp-down separately. To adjust the valve's operation, an integrated dither frequency potentiometer is used. For switching applications, the solenoid's proportional reaction to the command value, up to a predefined threshold, maintains a nearly constant current at Imax. An onboard potentiometer can be used to adjust the clock frequency for optimal valve hysteresis and noise reduction. You can use the Zero (Z) and Maximum (G) potentiometers to specify a command value that will force the characteristic curve to grow linearly to that point. To optimize performance at higher command values, the amplifier also includes controlled maximum current adjustments. The zero potentiometers can be used to modulate the pilot current and provide precise control even at low command values. These specifications improve the amplifier's responsiveness and stability that makes it useful for a wide range of industrial automation tasks.
The VT-SSPA1-150-1X/V0/0-24 plugin amplifier's differential input promotes efficient performance by minimizing signal interference. The amplifier can recalibrate the clock frequency so that it continues to operate consistently. The amplifier is suitable for use with universal valves that are required for 1.5A solenoid current, as it operates on 24V. For versatile installation, the mounting orientation is adjustable in 90-degree increments. The amplifier's performance is reliable and optimized, and its control response is efficient.
Frequently Asked Questions about VT-SSPA1-150-1X/V0/0-24:
Q: Why is a differential input used in VT-SSPA1-150-1X/V0/0-24?
A: The differential input allows accurate signal processing with minimal interference. It enhances the amplifier's precision and performance in control.
Q: Does VT-SSPA1-150-1X/V0/0-24 have ramp-up adjustments?
A: Yes, it features separate ramp-up and ramp-down controls. This helps manage smooth switch-on and switch-off impulses effectively.
Q: How does the clock frequency adjustment work in VT-SSPA1-150-1X/V0/0-24?
A: The onboard potentiometer adjusts the clock frequency for recalibration. This helps optimize valve hysteresis and reduces system noise levels.
Q: Do VT-SSPA1-150-1X/V0/0-24 potentiometers adjust the characteristic curve?
A: Yes, the Zero (Z) and Maximum (G) potentiometers adjust the characteristic curve. This enables linear rise control up to a set command.
Q: Why is the solenoid current response proportional to command value?
A: The proportional response ensures stable current output until the threshold is reached. It maintains near-constant current at Imax for switching.
