VT 2000-K-44/2
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The VT 2000-K-44/2 Proportional Amplifier Card by Bosch Rexroth Indramat operates with a 24 VDC supply. It features a maximum solenoid current of 800 mA. It offers a regulated voltage output of ± 9 V with ± 1 % accuracy and adjustable biasing current from 0 mA to 300 mA.
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Product Description:
The VT 2000-K-44/2 Proportional Amplifier Card is an electronic control module designed for precise regulation of proportional solenoid valves. It operates on a 24 VDC supply with an allowable variation of + 40 % to – 5 %. Its compact Euro card dimensions of 100 x 160 mm enable seamless integration into standard control systems.
The Bosch Rexroth Indramat VT 2000-K-44/2 amplifier card supports an input voltage range of 22 V to 35 V and has a power consumption of less than 25 VA. It features a current consumption below 1 A and includes a 2.5 A T fuse for protection. This unit employs a 32-pin male connector (DIN 41 612, form D) for secure interfacing. The output stage of this card delivers a maximum solenoid current of 800 mA with a tolerance of + 10 % to – 5 % and a resistance of 19.5 Ω at 20 °C. The biasing current is adjustable from 0 mA to 300 mA using an onboard potentiometer (Zw R130). Clock frequency options of 100 Hz or 200 Hz can be selected via jumper S2 each with a ± 10 % variation. The regulated voltage output is ± 9 V with ± 1 % accuracy and an external load capacity of 25 mA. Measuring sockets provide command value inputs from 0 to 6 V with a resistance of 1 kΩ while the actual current value output ranges from 0 to 800 mA.
The VT 2000-K-44/2 amplifier card includes a separate command value input of 0 to + 9 V that ensures compatibility with various control systems. A ramp generator allows independent adjustment of up and down ramps for precise control of valve operation. This VT 2000 proportional amplifier card employs a clocked current output stage to optimize efficiency.
Frequently Asked Questions about VT 2000-K-44/2:
Q: What is the voltage supply range for the VT 2000-K-44/2 Proportional Amplifier Card?
A: The Bosch Rexroth VT 2000-K-44/2 operates with a 24 VDC supply. It can tolerate a variation from +40% to -5% ensuring stable performance across fluctuating power conditions.
Q: How does the VT 2000-K-44/2 handle current regulation?
A: This amplifier card provides a maximum solenoid current of 800 mA with a tolerance of +10% to -5%. The biasing current is adjustable between 0 mA and 300 mA using an onboard potentiometer.
Q: What are the clock frequency options available for the VT 2000-K-44/2 amplifier card?
A: The VT 2000-K-44/2 offers two clock frequency options: 100 Hz and 200 Hz. These frequencies can be selected via jumper S2 with a ±10% variation for precise valve control.
Q: Can the VT 2000-K-44/2 Proportional Amplifier Card be integrated into existing control systems?
A: Yes, it features a 32-pin male connector (DIN 41 612, form D) for secure interfacing. The card also supports a separate command value input from 0 to +9 V for compatibility with various systems.
Q: What is the resistance and accuracy of the regulated voltage output in the VT 2000-K-44/2?
A: The regulated voltage output is ±9 V with an accuracy of ±1%. This precise output is supported by a load capacity of 25 mA ensuring stable and reliable performance.
