VT5011S42 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT5011S42 is a servo amplifier from the VT 1600 Servo Amplifiers series and operates with an input voltage of 24 VDC. It measures 100 by 160 mm and weighs 0.15 kilograms. The unit features a 32-pin DIN 41612 Form D connector and supports a solenoid current of 1 A with a solenoid resistance of 12 ohms at 20°C.
Internal Product Review
The VT5011S42 is a Bosch Rexroth Indramat servo amplifier with precise, well-balanced electrohydraulic control. Compatibility with the FE 16 C valve and a 24 VDC operating voltage support straightforward integration in established machine circuits. A 2.5 kHz oscillator frequency and 1.0 A solenoid current make the unit a strong choice for stable valve response.
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Product Description:
The VT5011S42 is a plug-in servo amplifier card manufactured by Bosch Rexroth Indramat within the VT 1600 Servo Amplifiers series. Installed in a Eurocard rack, it interfaces between a motion controller and a proportional hydraulic valve, shaping command signals and delivering controlled coil current so the valve opens precisely to the requested position. By converting low-level control voltages into regulated solenoid power, the module supports closed-loop speed, pressure, and position tasks in industrial automation cells.
The board is powered from a bus supply of 24 VDC; internal regulators, referenced to a socket potential of -6 V, derive symmetrical rails that feed the analog stages. A differential command path accepts +10 V at the input socket, allowing the drive electronics to reject common-mode noise that can appear on long field cables. The current loop can deliver up to 1.0 A to the matched solenoid, while the switching stage operates at 2.5 kHz so magnetic force is smoothed above the hydraulic response bandwidth. Connection to the backplane is handled through a 32-pin DIN 41612 Form D male header, providing quick installation and standardized signal assignments for machine builders.
The card measures 100 × 160 mm and has a front panel height of 128.4 mm for compatibility with a DIN subrack. Internally regulated rails are held to ±9 V so the analog stages remain stable as the supply fluctuates. The feedback sockets can be loaded up to 5 mA without disrupting reference accuracy, preserving loop integrity in multicard racks. Electrical output is tuned for the FE 16 C proportional valve, which has a coil resistance of 12 Ω at 20 °C; that resistance limits heat rise while allowing rated flow dynamics. The assembly weighs 0.15 kg, and a solder-side track width of 5.08 mm maintains adequate creepage for a current draw below 1.5 A.
