VT-MRPA1-100-1X/V0/0 Bosch Rexroth Indramat
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MPN: R900779644
The Bosch Rexroth Indramat VT-MRPA1-100-1X/V0/0 is a module from the VT-SWMA Modules series designed for use with the DBETR-1X proportional directional valve. This module supports analog signal type, features electrical position feedback, and mounts on a DIN rail. It is equipped with screw terminal connectors, operates at a supply voltage of 24 VDC, and weighs 0.23 kilograms.
Internal Product Review
The VT-MRPA1-100-1X/V0/0 is a DIN rail-mountable module from the VT-SWMA series, designed for precise control of DBETR-1X proportional directional valves. With screw terminal electrical connectors and analog signal compatibility, integration is straightforward in modern automation panels. Electrical position feedback ensures responsive closed-loop control, making this a dependable choice for demanding motion applications.
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Product Description:
The VT-MRPA1-100-1X/V0/0 is a plug-in control module produced by Bosch Rexroth Indramat for the VT-SWMA Modules series. Its purpose is to drive a DBETR-1X proportional directional valve by shaping the command signal and supervising spool position so hydraulic flow follows electronic setpoints in automated machinery. The control circuit continuously compares command behavior with valve response, helping the hydraulic axis remain stable during reversing and fine flow adjustments. Packaged in a 22.5 mm-wide module format, it installs next to other DIN rail electronics to provide closed-loop current regulation without a stand-alone amplifier. Its plug-in format supports compact cabinet layouts and straightforward integration with related hydraulic control electronics.
The unit operates from a 24 VDC supply and accepts an analog reference signal, translating the control level into a precisely metered solenoid current curve that follows real-time command changes. Installation is simplified because the housing clips onto a DIN rail, and all field conductors terminate on captive screw terminals, eliminating the need for special tools or crimp pins. With a mass of only 0.23 kg, the module adds little mechanical load to enclosure supports and leaves room for additional motion or pressure modules. The standard voltage level also allows direct power from the machine auxiliary circuit, which helps keep panel wiring simple. This layout is useful in compact control cabinets where access space around neighboring modules is limited.
System performance depends on the characteristics of the connected DBETR-1X valve. Because that valve is proportional directional, flow and pressure vary continuously with drive current, so the module closes the loop with an electrical position feedback signal from the valve spool sensor. The electronics energize exactly 1 solenoid coil, concentrating the available output current on a single magnetic path for better resolution at small command steps. That control approach helps the valve settle smoothly after command changes and reduces hunting around null during cyclic operation. It also supports steady modulation when the hydraulic circuit must respond to small input changes.
