VT-VSPA1K-1-1X-002-60SEC Bosch Rexroth Indramat
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MPN: R900934741
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The Bosch Rexroth Indramat VT-VSPA1K-1-1X-002-60SEC is part of the VT-VSPA Proportional Amplifiers series. It operates with an input voltage of 24 VDC, a maximum current draw of 1.8 A, and can handle a maximum solenoid current of 1.6 A. The card size measures 100 by 160 mm, supports a clock frequency up to 370 Hz, and features a 16-pole terminal strip connection.
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Product Description:
Bosch Rexroth Indramat’s VT-VSPA proportional amplifier series includes the VT-VSPA1K-1-1X-002-60SEC plug-in card. The module conditions electrical reference signals and modulates coil current for proportional hydraulic valves, allowing closed-loop position or pressure control in industrial automation systems. By slotting into a standard European card frame, the amplifier integrates with machine controllers and follows the form factor and electrical conventions common to this proportional valve electronics platform.
The card occupies a 100 x 160 mm Eurocard, so it fits DIN 41494 subracks without additional hardware. An internal oscillator offers selectable clock rates of 100 / 200 / 300 / 370 Hz, allowing the dither frequency to be matched to valve dynamics. Command voltage sent to the valve driver is limited to 0 to +6 V, providing proportional spool movement while preventing over-excursion. The board receives power from a nominal +24 VDC control supply that may rise by 40% or fall by 5%, and its design restricts apparent power to 50 VA with a maximum line draw of 1.8 A. Field wiring reaches the PCB through a 16-pole terminal strip, and a 2.5 A slow-blow fuse guards the supply input.
For signal interfacing, the first reference channel accepts 0 to +9 V, while the second can be set for 0 to 20 mA / 4 to 20 mA loops or 0 to +10 V, giving flexibility with PLC outputs. Regulated ±9 V at ±25 mA is available on the card for external potentiometers. The power stage can deliver 0.8 A / 1.6 A to the valve coils, values chosen to suit resistances of 19.5 Ω or 5.4 Ω respectively. Continuous operation is permitted from 0 to +50 °C, and the assembly withstands storage temperatures down to -25 °C and up to +85 °C. This range allows the card to operate reliably in standard hydraulic control cabinets.
Frequently Asked Questions about VT-VSPA1K-1-1X-002-60SEC:
Q: What is the command output range of the VT-VSPA1K-1-1X-002-60SEC?
A: This amplifier supports a command output range from 0 to +6 V.
Q: What is the required operating voltage for the VT-VSPA1K-1-1X-002-60SEC amplifier?
A: The VT-VSPA1K-1-1X-002-60SEC operates with a voltage of +24 VDC, allowing for a tolerance of +40% or -5%.
Q: What is the maximum solenoid current for the VT-VSPA1K-1-1X-002-60SEC?
A: The maximum solenoid current supported by this model is 0.8 A or 1.6 A, depending on the configuration.
Q: Which types of input signals are supported by Input 2 on the VT-VSPA1K-1-1X-002-60SEC?
A: The amplifier supports both 0 to +10 V voltage input and 0 to 20 mA or 4 to 20 mA current input on Input 2.
Q: What storage temperatures can the VT-VSPA1K-1-1X-002-60SEC handle?
A: The storage temperature range for this amplifier is from -25°C to +85°C.
