VT-PVAR-2-10/0
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The Bosch Rexroth Indramat VT-PVAR-2-10/0 is part of the VT-SSPA Plugin Proportional Amplifiers series and operates on a nominal 24 V DC voltage. This amplifier features ramp time adjustments from 100 ms to 5 s and a proportional range of 0...10 V. Weighing just 0.125 kg, it is compatible with solenoid resistance of 5.5 Ω.
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Product Description:
Bosch is the manufacturer of VT-PVAR-2-10/0 which is an amplifier. This module functions as part of the VT-SSPA Plugin Proportional Amplifiers series. The device maintains stable operation across industrial automation applications with continuous loads.
The VT-PVAR-2-10/0 amplifier provides an output voltage of ±15VDC with a maximum current of ±190mA, which is typically used to drive a proportional valve. It comes with a ramp generator which allows for separate control over the rate of increase up and decrease down of a command signal and prevents abrupt changes in the system. It also includes a command value attenuator which adjusts the command value effectively limiting or scaling the maximum output current to suit the needs of the application. The module has a potentiometer to adjust the zero point or biasing current, which is essential for calibrating the amplifier's output and compensating for any electrical drift. It also features LED for closed loop which shows whether the control system is functioning in closed loop mode. It can receive a differential input signal which means it measures the difference between two input voltages.
The VT-PVAR-2-10/0 amplifier is designed to be inserted into a modular system which allows easy installation and replacement without the need for specialized tools. It also has an LED indicator for gain which displays how much amplification is being applied to the input signal. It operates with a DC input voltage in the range of 18 to 36 volts and it is designed to work within this range for proper operation. Its enable LED shows the status of the amplifier which indicates whether it is active and ready to control the system.
Frequently Asked Questions about VT-PVAR-2-10/0:
Q: What is the purpose of the ramp generator in the VT-PVAR-2-10/0 amplifier?
A: The ramp generator controls the rate of increase and decrease of the command signal. This feature prevents abrupt system transitions, ensuring smoother operation.
Q: Why does the VT-PVAR-2-10/0 amplifier feature a differential input?
A: A differential input measures the difference between two input voltages, providing better signal accuracy. It ensures precise control over connected valves and actuators.
Q: What does the gain LED in the VT-PVAR-2-10/0 amplifier indicate?
A: The gain LED shows how much amplification is applied to the input signal. This feedback allows for easier tuning and optimal control over the system.
Q: How does the zero potentiometer in the VT-PVAR-2-10/0 amplifier improve performance?
A: The zero potentiometer helps adjust the biasing current, compensating for electrical drift. This calibration ensures accurate and stable operation over time.
Q: What is the role of the closed loop LED in the VT-PVAR-2-10/0 amplifier?
A: The closed loop LED indicates whether the control system operates in closed-loop mode. This provides real-time feedback on the system's feedback control status.
