REXROTH VT2000-5X Frequency Converter (AC Drive)

Parameter Name	Parameter Value & Description
Product Model	VT2000-5X (e.g., VT2000-51, VT2000-52, VT2000-53 for different power ratings)
Manufacturer	Bosch Rexroth (formerly part of the Rexroth Indramat division)
Product Type	Frequency Converter / AC Variable Speed Drive
Rated Output Power	Typically 0.75 kW, 1.5 kW, or 2.2 kW (1 HP, 2 HP, 3 HP). The exact power is defined by the last digit(s) of the suffix (e.g., -51 = 0.75kW, -52=1.5kW, -53=2.2kW).
Mains Supply Voltage	3-phase, 380 – 480V AC, 50/60 Hz (standard for -5X series).
Output Voltage	0 – Input voltage (variable, corresponding to frequency).
Output Frequency	0 – 400 Hz (typically, adjustable).
Control Methods	V/f control (voltage-to-frequency ratio), possibly sensorless vector control (depending on firmware/options).

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Description

Product Overview

The REXROTH VT2000-5X is a Frequency Converter (AC Drive) from the Bosch Rexroth VT-VS/VT-VSP series, designed for variable speed control of three-phase asynchronous motors. This series represents Rexroth’s robust and versatile drive platform for industrial applications. The “VT2000” indicates the product line and frame size, while the “-5X” suffix is crucial as it specifies the drive’s rated output power, typically in the range of 0.75 kW to 2.2 kW (1 HP to 3 HP), depending on the specific “-5X” subcode (e.g., -51, -52, -53). It also indicates a standard design for 3-phase 400V AC input.

This frequency converter transforms a fixed voltage and frequency from the mains supply into a variable voltage and frequency output, allowing precise control of motor speed, torque, and acceleration/deceleration. The VT2000 series is known for its modularity, offering a range of options and accessories for flexible adaptation to various applications, from simple pump and fan control to more complex material handling systems.

Technical Specifications (General for VT2000-5X Series)

Parameter Name	Parameter Value & Description
Product Model	VT2000-5X (e.g., VT2000-51, VT2000-52, VT2000-53 for different power ratings)
Manufacturer	Bosch Rexroth (formerly part of the Rexroth Indramat division)
Product Type	Frequency Converter / AC Variable Speed Drive
Rated Output Power	Typically 0.75 kW, 1.5 kW, or 2.2 kW (1 HP, 2 HP, 3 HP). The exact power is defined by the last digit(s) of the suffix (e.g., -51 = 0.75kW, -52=1.5kW, -53=2.2kW).
Mains Supply Voltage	3-phase, 380 – 480V AC, 50/60 Hz (standard for -5X series).
Output Voltage	0 – Input voltage (variable, corresponding to frequency).
Output Frequency	0 – 400 Hz (typically, adjustable).
Control Methods	V/f control (voltage-to-frequency ratio), possibly sensorless vector control (depending on firmware/options).
Control Connections	Digital inputs (for start/stop, direction, multi-speed), analog inputs (for speed reference 0-10V/4-20mA), relay outputs (for fault, ready, etc.), possibly a pulse encoder input for feedback.
Communication Interfaces	Standard RS-485 (USS/MultiDrop) serial interface. Optional fieldbus cards (e.g., PROFIBUS DP, CANopen, DeviceNet) available via plug-in module slot.
Protection Features	Overcurrent, overload, overvoltage, undervoltage, short-circuit, ground fault, and motor overtemperature (via PTC input) protection.
Enclosure Rating	Typically IP20 (open chassis). Requires installation in a protected control cabinet. Optional IP54/NEMA 12 kits may be available.
Cooling Method	Fan cooling.
Programming/Operation	Via integrated keypad with display or PC software (e.g., Rexroth IndraDrive/IndraWorks).

VT2000-52-A

Main Features and Advantages

Robust and Reliable Performance for Demanding Environments: The VT2000 series is engineered for industrial durability, with a design focused on high immunity to electrical noise and stable operation in harsh conditions. Its comprehensive protection features safeguard both the drive and the connected motor.

High Flexibility and Modularity: A key strength is its modular design. The drive offers optional plug-in cards for various fieldbus communications (PROFIBUS DP, CANopen, etc.), I/O extensions, and encoder feedback modules. This allows the VT2000 to be tailored precisely to the application’s needs, from simple stand-alone operation to integration into complex automated systems.

User-Friendly Configuration and Diagnostics: The integrated keypad with a clear display allows for easy parameter setting, commissioning, and troubleshooting. Comprehensive diagnostic functions and a fault history buffer help quickly identify and resolve issues, minimizing downtime.

Application Fields

The REXROTH VT2000-5X is suitable for a wide range of industrial applications requiring variable speed control of standard three-phase asynchronous motors.

Material Handling: Conveyors, elevators, palletizers.
Pump and Fan Control: Energy-saving variable flow control in HVAC, water treatment, and industrial processes.
Machine Tools: Spindle drives for lathes, mills, and grinders.
Packaging Machinery: Film wrappers, filling machines, labelers.
Textile and Woodworking Machinery: Where precise speed control is needed.

It is ideal for OEM machine builders and end-users looking for a reliable, configurable drive from a major industrial brand.