VT-VSPA2-1-1X-T1-003 Bosch Rexroth Indramat
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MPN: R900736705
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The Bosch Rexroth Indramat VT-VSPA2-1-1X-T1-003 belongs to the VT-VSPA Proportional Amplifiers series. It is designed with a nominal supply voltage of 24 VDC and a card size of 100 by 160 millimeters. The amplifier features a fuse rating of 2 Amps and a maximum power draw of less than 50 VA.
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Product Description:
The VT-VSPA2-1-1X-T1-003 is a proportional amplifier card produced by Bosch Rexroth Indramat for the VT-VSPA Proportional Amplifiers series. Designed for plug-in installation on standardized Eurocards, it receives control references from a PLC, shapes them through internal signal conditioning, and then feeds modulated current to proportional hydraulic valves. By managing valve coil energy with high linearity, the board allows precise pressure or flow regulation in presses, test rigs, or material-handling axes, while also isolating the control system from inductive load transients.
Its physical footprint follows the Eurocard format at 100 x 160 mm, so the card fits directly into a DIN-compatible rack without spacers. The electronics operate from a nominal bus voltage of 24 VDC, yet remain functional down to 18 V and up to 35 V, which covers typical mobile and stationary power sources. Internal converters and signal processors restrict consumption to <50 VA, and the board draws less than 2 A of supply current even during full-scale output. A ramp input resistance of 10 kΩ shapes the rise and fall times, while the differential command channel presents more than 50 kΩ of impedance to limit loading of upstream analog modules.
The current-programmed driver stage meets valve specifications with a load requirement of 100 Ω at the current input, ensuring full stroke without external boosters. To preserve signal integrity, the differential input shows an impedance greater than >50 kΩ, while the front-panel potentiometer channel exceeds >100 kΩ, minimizing interaction when multiple cards share the same reference source. Over-current or wiring faults are cleared by a replaceable 2 A fuse, and overall supply demand is limited to less than 2 A. Together with the 10 kΩ ramp network, these parameters give predictable acceleration profiles and protect both the power supply and the connected hydraulic actuators.
Frequently Asked Questions about VT-VSPA2-1-1X-T1-003:
Q: What is the nominal supply voltage required for the VT-VSPA2-1-1X-T1-003 amplifier?
A: The VT-VSPA2-1-1X-T1-003 operates with a nominal supply voltage of 24 VDC.
Q: What is the maximum supply current for the VT-VSPA2-1-1X-T1-003?
A: This amplifier can draw a maximum supply current of less than 2 A during operation.
Q: What is the physical card size of the VT-VSPA2-1-1X-T1-003?
A: The card size is 100 x 160 mm for easy installation in standard racks.
Q: What is the allowable voltage range for operation of the VT-VSPA2-1-1X-T1-003?
A: This model supports a lower voltage limit of 18 V and an upper limit of 35 V.
Q: What is the current input load rating for the VT-VSPA2-1-1X-T1-003?
A: The input load for the current input on this model is rated at 100 Ω.
