VT-VSPA1-2-10-V0-0 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-VSPA1-2-10-V0-0 is part of the VT-VSPA Proportional Amplifiers series and has a nominal supply voltage of 24 VDC with a maximum current consumption of 2 Amps. The amplifier features a card size of 100 by 160 millimeters and weighs 0.15 kilograms. Its solenoid output current can reach up to 1.9 Amps, and it operates in temperatures ranging from 0 to 50 degrees Celsius.
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Product Description:
The VT-VSPA1-2-10-V0-0 proportional amplifier is produced by Bosch Rexroth Indramat within the VT-VSPA Proportional Amplifiers series. Installed on a standardized Eurocard carrier, it converts low-level command voltages into controlled coil currents so proportional directional, pressure, or flow valves can respond linearly. By bridging machine control electronics with hydraulic actuators, the card serves as an interface in closed-loop automation where repeatable fluid-power modulation is required. This allows electrical control signals to be translated into stable hydraulic valve movement without adding unnecessary complexity to the control rack.
Physically, the card occupies a 100 x 160 mm slot and is driven by an internal clock set at 250 Hz, a carrier frequency that shapes the dither signal applied to the valve coil for hysteresis reduction. The solenoid channel can deliver up to 1.9 A, giving adequate force for medium-size proportional valves, while overall power draw is limited to 24 VA to keep cabinet thermal load low. For reference generation, the board sources a stabilized +10 V output, and the auxiliary terminal may sink up to 25 mA, enabling external potentiometers or joystick interfaces to set demand signals. That reference support lets external command devices operate from the amplifier without requiring a separate voltage source, and the board can draw substantial supply current when operating near full output.
Input power is protected by a 2 A medium time-lag fuse, and the nominal bus level of 24 VDC may fluctuate between 18 V and 35 V without upsetting output regulation. This wide window supports mobile equipment or plant networks where battery chargers and long cable runs create voltage swings. The board operates from 0 °C to 50 °C, aligning with hydraulic oil service ranges and helping limit drift in coil current during normal use. Its 0.15 kg mass keeps stress low on card guides during installation, and the circuitry maintains stable dither even when the supply approaches the upper or lower limits.
Frequently Asked Questions about VT-VSPA1-2-10-V0-0:
Q: What is the nominal supply voltage requirement for the VT-VSPA1-2-10-V0-0 amplifier?
A: The VT-VSPA1-2-10-V0-0 operates with a nominal supply voltage of 24 VDC.
Q: What is the maximum solenoid output current for the VT-VSPA1-2-10-V0-0 model?
A: This amplifier can provide a maximum output current of 1.9 A to the solenoid.
Q: What is the supply voltage range for the VT-VSPA1-2-10-V0-0 proportional amplifier?
A: The VT-VSPA1-2-10-V0-0 supports a supply voltage range from 18 V to 35 V.
Q: What regulated voltage and maximum current does the VT-VSPA1-2-10-V0-0 offer?
A: It features a regulated output voltage of +10 V with a maximum regulated current of 25 mA.
Q: Within what operating temperature range can the VT-VSPA1-2-10-V0-0 be used?
A: The VT-VSPA1-2-10-V0-0 operates within a temperature range of 0°C to 50°C.
