VT-VSPA1-1-10-005 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-VSPA1-1-10-005 is part of the VT-VSPA Proportional Amplifiers series and operates with a +24 VDC input voltage, featuring a maximum current consumption of 1.8 Amps. The amplifier has a card size of 100 x 160 mm and utilizes a 32-pole male multipoint connector following the DIN 41612 Design D standard. It supports a max solenoid current of 1600 mA and has a fuse rating of 2.5 Amps slow-blow.
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Product Description:
Bosch Rexroth Indramat designed the VT-VSPA1-1-10-005 as a plug-in proportional amplifier card within the VT-VSPA Proportional Amplifiers series. The board translates low-level voltage commands into controlled current for hydraulic or pneumatic proportional solenoid valves, letting an automation controller vary flow, pressure, or position in real time. Its Eurocard-style format permits direct insertion into a Rexroth VT rack, and the onboard monitoring points provide immediate electrical feedback for signal checks. That function lets the amplifier modulate valve force smoothly instead of switching the actuator fully on or off, which is important in circuits that need stable pressure ramps or repeatable positioning.
The card draws its logic and power stage from a regulated supply of +24 VDC. It remains functional from +22 V to +35 V, so the supply does not require tight trimming. Under maximum demand, it consumes 1.8 A and requires no more than 50 VA from the machine’s auxiliary supply. Mechanically, it follows the IEC 60297 Eurocard outline with dimensions of 100 × 160 mm, allowing standard guide rails and card retainers. Field wiring reaches the amplifier through a 32-pole male multipoint connector that matches DIN 41612 design D coding, which keeps signal and power contacts in fixed positions. This arrangement supports orderly backplane installation and keeps the electrical interface consistent across compatible rack assemblies.
The output stage supplies closed-loop current for a single proportional solenoid, and an electronic limiter helps prevent coil overheating. For quick diagnostics, the current monitor presents 1600 mV at full load, while the command monitor mirrors valve drive with a full-scale indication of +6 V. A separate driver channel supplies a reference of ±25 mA for external controllers, and the main solenoid path is rated for a continuous 1600 mA. The monitor outputs make it easier to compare command and response behavior while the card is operating. Overcurrent faults are backed up by a front-mounted 2.5 A slow-blow fuse that isolates the card before trace damage occurs.
Frequently Asked Questions about VT-VSPA1-1-10-005:
Q: What is the full-scale voltage for Command Input 1 on the VT-VSPA1-1-10-005?
A: The VT-VSPA1-1-10-005 amplifier accepts a full-scale command input of +9 V on input 1.
Q: What is the required operating voltage range for the VT-VSPA1-1-10-005 amplifier?
A: This amplifier is designed to operate with a supply voltage of +24 VDC and allows a range between +22 V and +35 V.
Q: What is the maximum solenoid current the VT-VSPA1-1-10-005 can provide?
A: The maximum solenoid current supported by this model is 1600 mA.
Q: What type of connector is required for the VT-VSPA1-1-10-005 proportional amplifier?
A: Connection is made via a 32-pole male multipoint connector conforming to the DIN 41612 Design D standard.
Q: What are the card dimensions of the VT-VSPA1-1-10-005 amplifier module?
A: This unit comes with a card size of 100 x 160 mm, suitable for system integration in standard electronic racks.
