VT-VSPA1K-2-1X-V0-0 Bosch Rexroth Indramat
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MPN: R900782311
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The Bosch Rexroth Indramat VT-VSPA1K-2-1X-V0-0 is a proportional amplifier in the VT-VSPA Proportional Amplifiers series. It operates with an input voltage range from 18 to 35 VDC and a maximum power consumption of 24 VA. The amplifier card is 160 mm long and 100 mm wide, with a fuse rating of 2 amps and a regulated output of +10 V ±2%.
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Product Description:
The VT-VSPA1K-2-1X-V0-0 is a plug-in proportional amplifier card produced by Bosch Rexroth Indramat for the VT-VSPA Proportional Amplifiers series. The board conditions analog command signals and drives proportional hydraulic valves, allowing machine controllers to adjust flow or pressure in real time. It installs in a standard 32-pin Eurocard rack, so the valve electronics can be replaced or configured without disturbing field wiring.
Mechanical dimensions follow the Eurocard pattern, with a length of 160 mm and a width of 100 mm; these limits keep board spacing predictable and leave clearance for airflow. The differential command input presents a 100 Ω load, enabling accurate set-point processing from PLC current loops, and the fixed resistor keeps scaling stable over temperature. A replaceable 2 A fuse protects the supply rail against accidental shorts, and power is delivered at 24 VDC through the backplane connector. Because the input stage senses current rather than voltage, wiring resistance has little influence on calibration. The fuse rating also sets a safe inrush limit when multiple cards share a common supply rail. Internal circuitry filters and linearizes the command signal before driving the valve coils, so output force tracks the requested value even under dynamic load changes.
Voltage tolerance is broad, and the amplifier remains functional from 18 V up to 35 V, preventing nuisance trips during low-bus conditions or regenerative surges. Under maximum demand it draws 2 A, giving a thermal budget of 24 VA max; staying below this level keeps component temperatures within normal operating margins and supports cabinet ventilation. The card also furnishes an isolated reference of +10 V ± 2% for potentiometers, feedback sensors, or external ramp generators, letting a complete valve channel operate without an auxiliary power supply.
Frequently Asked Questions about VT-VSPA1K-2-1X-V0-0:
Q: What is the required operating voltage for the VT-VSPA1K-2-1X-V0-0 amplifier?
A: The VT-VSPA1K-2-1X-V0-0 has an operating voltage of 24 VDC, maintaining stable power for its proportional amplifier functions.
Q: What is the maximum current draw for the VT-VSPA1K-2-1X-V0-0 amplifier?
A: This model supports a maximum current draw of 2 A to support its component demands during operation.
Q: What is the regulated output voltage specification of the VT-VSPA1K-2-1X-V0-0?
A: The VT-VSPA1K-2-1X-V0-0 features a regulated output of +10 V with a tolerance of ±2%, offering precise voltage output for connected devices.
Q: What fuse rating is required for the VT-VSPA1K-2-1X-V0-0 amplifier card?
A: This amplifier utilizes a 2 A fuse for circuit protection during operation.
Q: What are the dimensions of the VT-VSPA1K-2-1X-V0-0 proportional amplifier card?
A: The card measures 160 mm in length and 100 mm in width, making it suitable for compact installation spaces.
