VT 2010 S47/E/2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT 2010 S47/E/2 is part of the VT 2000 Proportional Amplifiers series and supports a single solenoid with analog control mode. It features a basic bias current of 50 mA, a maximum output current of 800 mA, and operates with a clock frequency of 200 Hz. The amplifier uses a 32-pole DIN 41612 D connector and is designed for rack mounting.
Internal Product Review
The VT 2010 S47/E/2 is a Bosch Rexroth proportional amplifier built for precise analog control, featuring analog control mode and single-solenoid support. Rack-mount installation and a 32-pole DIN 41612 D connector make cabinet integration straightforward for retrofit or OEM panels. With 800 mA maximum output current, the amplifier stands out as a dependable choice for proportional valve applications.
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Product Description:
The VT 2010 S47/E/2 is a proportional amplifier card produced by Bosch Rexroth Indramat for the VT 2000 Proportional Amplifiers series. Installed in a system rack, the module receives analog command signals and modulates current to a hydraulic solenoid so that the valve position follows the reference signal. In electrohydraulic automation, it establishes the closed-loop connection between a motion controller and the proportional valve spool, allowing force, pressure, or flow to be set electronically rather than by fixed orifices.
The amplifier sets an initial coil energizing level of 50 mA, giving the valve a stable null bias before command inputs are applied. Command signals are processed through a chopper operating at 200 Hz, a frequency high enough to keep solenoid force ripple below typical hydraulic sensitivity thresholds. An internal second-order filter limits command bandwidth to 4 Hz, helping prevent oscillation in high-gain hydraulic loops. The module responds to an analog control voltage, so standard ±10 V sources can drive it without digital conversion. Under load, the output stage can supply up to 800 mA, permitting full-stroke actuation of typical proportional valve coils.
Output shaping follows Curve 1, a factory-set characteristic that provides a linear relationship between input voltage and solenoid current across the working range. Electrical connection to the rack backplane is made through a 32-pole DIN 41612 D connector, which provides separate power, command, and monitor pins in a single mating interface. The card uses a rack-mount form factor, so it slides into standardized 19-inch Eurocard cages without additional brackets. It is wired for one controlled solenoid, simplifying channel allocation in multi-axis hydraulic systems and eliminating the cross-coupling adjustments associated with dual-coil drivers.
