VT-VSPA1-537-10/V0/QV-RTP
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The VT-VSPA1-537-10/V0/QV-RTP by Bosch Rexroth Indramat is part of the VT-VSPA Proportional Amplifiers series, operating with a voltage range of 18 to 35 V and a consumption below 2 Amps. It features a zero compensation range of ±30%. Ramp times are adjustable from 20 ms to 50 s for precise control.
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Product Description:
Bosch Rexroth Indramat manufactures the VT-VSPA1-537-10/V0/QV-RTP amplifier. 24VDC nominal voltage, 18V to 35V operating voltage range. In areas where power supply fluctuations are common, this tolerance (+40% to -20%) is important for stability. This wide operating range reduces the chance of voltage instability, which can cause system crashes or performance degradation and ensures the amplifier can run reliably. Power consumption is less than 50 VA, which is an energy efficiency measure. It accepts analog voltage signals with input impedance > 100kΩ and 0 to ±10V. By reducing signal loading, this high impedance ensures signal transmission and protects against signal degradation.
Also accepts differential input signals with impedance > 50kΩ in the same voltage range. With 100Ω load resistance and 4-20mA current input, it is compatible with industrial standard current loop systems, which are often chosen for long-distance transmission and noise immunity. 10kΩ input impedance and external ramp time input 0 to +10V (internally boosted to +15V) allow for fine control of acceleration and deceleration rates, which is important for smooth and controlled actuator movements. To ensure reliable digital signal processing, digital input levels are set so that 'the ON state is 8.5V to the upper limit of operating voltage (UB), and the 'OFF' state is 0 to 6.5V with an impedance > 100kΩ. The 'Zw' potentiometer allows you to adjust the zero compensation range, which is ±30%. This is important to calibrate the output signal and counteract any system drift or offsets that may occur over time due to temperature changes, component aging or mechanical causes.
Zero compensation range ensures accuracy and repeatability by allowing output fine-tuning and the actuator position or velocity to match the command values. With potentiometers w1 to w4, you can adjust the command value range from 0% to 110%, so you have a wide range to adjust the actuator output. With potentiometers t1 to t5, you can fine-tune the acceleration and deceleration profiles from 20ms to 5s and 0.2s to 50s. This is important in applications where high accuracy and dynamic performance are required to reduce mechanical stress on the system and ensure smooth movements. With S+ and S- potentiometers, you can adjust the step level range from 0% to 50%, so you have fine control over small movements or step changes. When step height is 0%, the amplitude attenuator range, which is also adjustable from 0% to 110%, applies, so you have even more control over the signal amplitude.
Frequently Asked Questions about VT-VSPA1-537-10/V0/QV-RTP:
Q: What is the VT-VSPA1-537-10/V0/QV-RTP proportional amplifier used for?
A: The VT-VSPA1-537-10/V0/QV-RTP by Bosch Rexroth Indramat is a proportional amplifier designed for precise control of proportional valves in industrial automation systems. It processes analog command signals to regulate hydraulic or pneumatic actuators, ensuring smooth and efficient system operation.
Q: What is the operating voltage range of this amplifier?
A: This amplifier operates within a voltage range of 18 V to 35 V, with a nominal supply voltage of 24 VDC. It can handle voltage fluctuations of +40% to -20%, ensuring stable operation under varying power conditions.
Q: What is the maximum power consumption of this amplifier?
A: The amplifier consumes less than 50 VA, making it an energy-efficient choice for industrial automation applications. Its current consumption is below 2 A, reducing power draw and minimizing heat generation.
Q: What input signals can the amplifier accept?
A: The VT-VSPA1-537-10/V0/QV-RTP supports multiple input types, including analog voltage inputs (0 to ±10 V) with high impedance (>100 kΩ), differential inputs (0 to ±10 V, >50 kΩ impedance), and current inputs (4-20 mA with a 100 Ω load resistance), making it adaptable to various control systems.
Q: How does the zero compensation range affect system calibration?
A: The amplifier features a zero compensation range of ±30%, adjustable via a potentiometer labeled 'Zw.' This allows fine-tuning of the output signal, compensating for system drift and ensuring precise alignment with the desired operational parameters.
