VT-SR2-1X/1-100 Bosch Rexroth Indramat
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MPN: R900976646
The Bosch Rexroth Indramat VT-SR2-1X/1-100 is part of the VT-SWMA Modules series and features a ±10 V command value input and supply voltage of 24 VDC. This module has a printed circuit board design, weighs 0.26 kg, and is equipped with a 32-pin connector plug, Form D.
Internal Product Review
The VT-SR2-1X/1-100 from Bosch Rexroth Indramat is a versatile printed circuit board module in the VT-SWMA series, designed for integration into card holders or 19" racks. Featuring a ±10 V command value input and ±100 mA valve current capability, the module is ideal for precise control tasks. Its 32-pin connector plug ensures straightforward electrical integration, making this unit a solid choice for modular automation systems.
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Product Description:
The VT-SR2-1X/1-100 is a proportional valve amplifier card produced by Bosch Rexroth Indramat. Supplied as a plug-in board, it fits control cabinets where it conditions analog command signals and delivers regulated current to proportional hydraulic valves in industrial automation systems. By converting voltage references into controlled coil current, it serves as the interface between a motion controller and the field valve hardware, allowing the valve to respond predictably to changing command inputs during normal machine operation.
The command stage accepts a differential input of ±10 V, allowing external controllers to modulate spool position over the full stroke range. Internal circuitry is energized by a dedicated ±15 V controller supply derived from the host rack, while the power section draws system power from a separate 24 VDC feed so that logic and load paths remain isolated. Field wiring terminates on a 32-pin connector plug that follows Form D pinout conventions, bringing in supply lines, command references, and monitor points through an organized connection layout. The board is built as a printed circuit board module, which keeps the electronics compact and allows it to slide into the host rack without separate panel wiring. No position feedback circuitry is included, so the card operates in an open-loop scheme unless an external transducer supplies that signal elsewhere in the control system.
Output capability reaches ±100 mA, giving enough current headroom for most single-stage or pilot valves while staying within typical coil thermal limits. Installation is supported by slide-in carriers and the option to seat the board directly in 19-inch racks, which standardizes spacing and airflow between neighboring modules. With a mass of only 0.26 kg, the unit adds very little load to rack hardware and remains easy to handle during installation or removal. As part of the VT-SWMA Modules family, the card follows shared pin compatibility and scaling conventions across related modules, so signal assignment remains consistent within matching rack assemblies.
