VT-VSPA-1-21/V0/T5
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The VT-VSPA-1-21/V0/T5 is a compact proportional amplifier with a power consumption of less than 50 VA. Produced by Bosch Rexroth Indramat as part of the VT-VSPA Proportional Amplifiers Series, it operates within a voltage range of 18 V to 35 V. This unit features a ramp time setting adjustable between 20 ms and 5 s.
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Product Description:
Bosch Rexroth Indramat manufactures the VT-VSPA-1-21/V0/T5 amplifier. The VT-VSPA-1-21/V0/T5 proportional amplifier has an operating voltage range of 18 V to 35 V and is designed to run on 24 VDC. Industrial automation consumes power, and the VT-VSPA-1-21/V0/T5 uses less than 50 VA. For energy efficiency, lower costs and less heat in the control cabinet, this is key. The amplifier’s efficiency is further increased by a max current consumption of 2 A. These requirements are crucial to maintain a stable electrical environment and avoid overload, which can harm the amplifier or other components attached. Power efficiency also meets today’s industry requirements for energy-efficient and sustainable operation. The amplifier accepts analog voltage signals of ±10 V with input resistance > 100 kΩ and differential input signals of ±10 V with input resistance > 50 kΩ.
It has a load resistance of 100 Ω and can accept a current input of 4-20 mA. The amplifier’s multiple input options make it easy to integrate with various sensors and control systems, giving flexibility in system design. To provide precise and reliable signal transmission, the high input resistance reduces loading effects on the signal source. The 4-20 mA current loop is suitable for long-distance signal transmission in industrial environments due to its high noise immunity. One of the most important parameters for controlling proportional valve acceleration and deceleration is the ramp time. The ramp times of the VT-VSPA-1-21/V0/T5 can be set from 20 ms to 5 s and can be converted to a longer range of 0.2 s to 50 s. Because of its flexibility the valve’s reaction can be controlled precisely and avoid pressure fluctuations that can stress the system or cause mechanical damage.
To get smooth movements and maximum system performance, the ramp time must be set precisely. For applications that need slower and more gradual transitions, the extended ramp time range offers more options. Finally, the internal command value output provides a maximum current output of 2 mA and a steady voltage of ±10 V with a tolerance of ±2%. To get perfect positioning and flow control, this output is necessary to send control signals to the proportional valves. The ±2% tolerance keeps the control loop precise and minimizes signal deviation. The two mA current output limit prevents the output stage from being overloaded and guarantees distortion-free signal transmission. To get consistent and repeatable performance in industrial automation systems, this precise and stable output is key, which makes the overall system more reliable and efficient.
Frequently Asked Questions about VT-VSPA-1-21/V0/T5:
Q: What is the VT-VSPA-1-21/V0/T5 proportional amplifier?
A: The VT-VSPA-1-21/V0/T5 is a compact proportional amplifier manufactured by Bosch Rexroth Indramat. It belongs to the VT-VSPA series and is designed to control proportional valves in industrial automation systems. With a power consumption of less than 50 VA, it ensures efficient performance while operating within an 18 V to 35 V voltage range.
Q: What are the power and voltage requirements for this amplifier?
A: The amplifier requires a 24 VDC power supply, with an operational range of 18 V to 35 V. It can tolerate voltage fluctuations of +40% and -20% while consuming less than 50 VA of power. The current consumption is limited to a maximum of 2 A, ensuring energy efficiency in industrial setups.
Q: What types of input signals does the VT-VSPA-1-21/V0/T5 accept?
A: This amplifier supports multiple input options for command values, including an analog voltage range of ±10 V with an input resistance greater than 100 kΩ. Additionally, it accepts differential input signals of ±10 V with a resistance of more than 50 kΩ and a current input range of 4-20 mA, operating with a load resistance of 100 Ω.
Q: What is the ramp time setting range, and why is it important?
A: The VT-VSPA-1-21/V0/T5 offers an adjustable ramp time setting from 20 ms to 5 s. This range allows precise control over acceleration and deceleration rates when operating proportional valves. Additionally, the ramp time can be switched to an extended range of 0.2 s to 50 s, providing further customization based on application requirements.
Q: How does the internal command value output function in this amplifier?
A: The internal command value output of this amplifier provides a stable voltage of ±10 V with a ±2% tolerance and a maximum current output of 2 mA. This feature ensures accurate signal transmission to connected proportional valves, enhancing overall control precision.
