The VT 2000 S 44 is an electronic amplifier in the VT-2000 Series by Bosch Rexroth Indramat. This device aims to control industrial pressure control valves. It operates without a power supply module, instead requiring a 24-volt DC input with a tolerable fluctuation of ±10%. The recommended operating temperature for the device is between 0 to 50 degrees Celsius. The amplifier weighs around 0.1 kilograms, making it easy to handle and install. The working principle of the VT 2000 S 44 involves the conversion of input voltage to output current, which then powers a proportional solenoid, consequently influencing the pilot poppet of the valve. The device includes a ramp generator, whose output is processed with a potentiometer value to generate an oscillator signal. This signal is modulated to produce a pulse width signal that drives the power transistor of the output stage, resulting in pulsed current. This pulsed current mimics a constant current and can be treated as a dither signal by the solenoid, allowing it to overcome static friction. Users should ensure that the device is disconnected before powering it off, and measurements should only be performed with high-impedance meters. The VT 2000 S 44 should be protected from radio transmitters and other similar devices, with a safe distance of at least 1 meter maintained between them and the device. The shielding of control voltage wires is recommended, and the solenoid wires must be kept separate from power wires. This product should only be operated by trained personnel.
VT 2000 S 44 by Rexroth, Indramat, Bosch in the VT-2000 Series. The VT-2000 is a proportional amplifier suitable for controlling single solenoid pressure control valves without electrical position feedback. This VT 2000 S 44 offers a Name Plate of Factory Assigned, Pulse Frequency of Factory Assigned, a Operating Voltage of 24 VDC + or - 10 % and a Connection Type of 32 pin plug-in Euro card design.
Revision Part #:VT 2OOO S 44VT-2000 S 44VT-2000-S-44VT2000S44
|Bosch Rexroth Indramat
|VT 2000 S 44
|24 Volts DC
|0 to 50 degrees Celsius
|Proportional Solenoid, Pilot Poppet
|Ramp Generator, Pulse Width Signal Generation
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