VT 5041-24/1-0V Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT 5041-24/1-0V is part of the VT-5000 IO Cards series and operates at 24 V DC with a rated current of 0.6 Amps. This card uses a 32-pin DIN 41612 D connector and supports a maximum solenoid current of 2.5 Amps. Its weight is 0.19 kilograms, and it has an oscillator frequency of 5.4 kHz.
Internal Product Review
The VT 5041-24/1-0V is a Bosch Rexroth Indramat IO card that stands out for proportional valve control on 24 V DC systems. The 32-pin DIN 41612 D connector supports clean installation, and the 5.4 kHz oscillator frequency helps maintain stable signal handling. A maximum solenoid current of 2.5 A makes this card a strong performer for responsive hydraulic control.
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Product Description:
The VT 5041-24/1-0V is an input/output card manufactured by Bosch Rexroth Indramat for the VT-5000 IO Cards series. Installed in hydraulic control racks, the card conditions sensor feedback for use by the motion controller. It also drives proportional solenoids so the controller can position servo valves with repeatable accuracy in industrial automation assemblies. This combination allows the card to process valve position signals and control the corresponding hydraulic response within the same rack-mounted module.
A backplane connection is made through a 32-pin DIN 41612 D header, allowing direct rack connection without rewiring. The logic section is powered from a nominal 24 V DC rail; undervoltage protection activates below the 21 V lower limit, and the circuitry remains safe up to the 35 V upper limit. The drive electronics are enabled only after the enable-input voltage rises above 12 V, preventing unintended activation during startup. An internal 100 Ω shunt converts current input signals into measurable voltages. The card’s oscillator operates at 5.4 kHz to generate high-frequency pulse-width modulation for the valve coils. Rated current draw is 0.6 A, but transient demand can reach 1.25 A when the control loop responds to rapid commands. For each coil, the output stage supplies up to 2.5 A and supports a coil impedance of 2 Ω, allowing the solenoid to receive full power without overloading the supply.
The card tracks valve movement with a ±4 mm swivel sensor, while a dedicated linear probe measures a ±0.6 mm valve stem stroke. These measurements give the controller a direct correlation between coil current and spool displacement. Analog supervision includes a Dm2 channel with a 3.6 V amplitude, an Iw9 channel with a 1 V amplitude, and a current-input monitor for closed-loop adjustment. Signal fidelity on the Dm2 path maintains a steady feedback scale during temperature changes. The module has a mass of 0.19 kg, so it adds little load to the card cage and does not require additional support hardware.
