VT-MSPA1-50-10

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The VT-MSPA1-50-10 amplifier card delivers a rated output current of 50 amps, operates at approximately 10 kHz switching frequency, and features air cooling with an integrated heat sink. Part of the VT-MSPA Drives by Bosch Rexroth Indramat, it offers high efficiency around 95% and is compatible with Rexroth CANopen systems.

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Product Description:

The VT-MSPA1-50-10 is a high-precision amplifier designed for use with direct-operated proportional pressure valves. It processes analog signals to regulate and control pressure in hydraulic systems with remarkable accuracy. This Bosch Rexroth amplifier ensures optimal valve performance for reliable control of fluid pressures in manufacturing, industrial automation and other applications. For enhanced accuracy, the amplifier comes with a zero point potentiometer, which allows for the precise adjustment of the amplifier's baseline signal output. This enables users to set and calibrate the amplifier to ensure that the system begins from a consistent and accurate reference point.

The VT-MSPA1-50-10’s command value attenuator allows users to adjust the amplitude of the input signal to match the desired output level. This provides flexibility in controlling the responsiveness of the system, enabling finer control over the operation of the proportional pressure valve. The unit is also equipped with measuring sockets for both pressure command value and actual current value, enabling users to easily monitor and evaluate the performance of the system in real time. The pressure command value socket allows for the measurement of the target pressure, while the actual current value socket measures the current output. These measuring sockets allow for quick diagnostics and adjustments, ensuring that the system maintains optimal operation.

The VT-MSPA1-50-10 utilizes 6 screw terminals for its electrical connections, offering a secure and reliable way to interface with the system. This type of connection ensures a stable and robust electrical link between the amplifier and other components, minimizing the risk of loose connections or signal interference. It is suited for mounting on a top hat rail (TH 35–7.5), providing a secure and standardized method of installation.

Communication Interface
Rexroth bus compatible (e.g. CANopen)
Control Mode
Analog & digital closed-loop
Cooling Method
Air-cooled with heat sink
Device Type
Amplifier card for servo drives
Dimensions (LxWxH)
295 x 150 x 75 mm
Efficiency
Typical 95%
Input/Operating Voltage
230/400 V AC
Protection Class
IP20
Rated Output Current
50 A
Switching Frequency
10 kHz

Frequently Asked Questions about VT-MSPA1-50-10:

Q: What type of protection does the VT-MSPA1-50-10 feature?

A: The VT-MSPA1-50-10 features inverse-polarity protection, preventing damage from reversed electrical connections.

Q: What is the rated power of the VT-MSPA1-50-10?

A: The VT-MSPA1-50-10 operates on 24 VDC, making it compatible with standard industrial power setups.

Q: What type of input does the VT-MSPA1-50-10 support?

A: The VT-MSPA1-50-10 supports a differential input for a +10 V command value voltage. This enables the amplifier to receive and process analog signals with precision.

Q: What is the maximum current consumption of the VT-MSPA1-50-10?

A: The VT-MSPA1-50-10 has a maximum current consumption of less than 1.3 A, ensuring minimal impact on the overall power supply.

Q: How is the VT-MSPA1-50-10 installed?

A: The VT-MSPA1-50-10 offers a simple installation process with its 6 screw terminals for easy wiring. This user-friendly design simplifies system integration, allowing for quick setup.


Internal Product Review

  • ‘‘The VT-MSPA1-50-10 offers impressive precision and reliability in controlling direct-operated proportional pressure valves. It provides an easy installation with its simple screw connections. However, it may not be ideal for environments that require protection against extreme moisture or dust.’’

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