VT-VRPA2-2-10b/V0/T1
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MPN: R900979889
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The VT-VRPA2-2-10b/V0/T1 electric amplifier operates on 24 VDC with a tolerance range of +40% to -20%, offers analog inputs with resistance >100 kΩ, and supports ramp times from 20 ms to 5 seconds. Part of the VT-VRPA Electric Amplifiers series from Bosch Rexroth Indramat, it weighs just 0.15 kilograms.
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Product Description:
Bosch Rexroth Indramat manufactures the VT-VRPA2-2-10b/V0/T1 amplifier. The nominal power supply for the Bosch Rexroth Indramat VT-VRPA2-2-10b/V0/T1 amplifier is 24 VDC. The input stage has many analog inputs and is designed to be versatile. It has an input resistance of more than 100 kΩ and can accept voltage-based commands in the range of 0 to 10 V. This high resistance maintains the integrity of the command signal and reduces loading effects. To keep signal accuracy in noisy industrial environments, it also has a differential input with an input resistance of more than 50 kΩ, which provides common mode noise rejection. Both voltage and current outputs are available from the VT-VRPA2-2-10b/V0/T1 amplifier. The ±10 V analog output has a maximum current of 2 mA and ±2% accuracy and is intended for controlling high impedance loads such as other devices control inputs. The 4 to 20 mA analog output has a maximum load resistance of 500 Ω and ±2% accuracy and is designed to drive industrial current loops, which are often used to send data over long distances.
The digital outputs, which include ramp ready and ready for operation signals, have thresholds of >16 V for ON and <1 V for OFF. They are designed for a 50 mA current drive. The linked devices are guaranteed to be stable by the controlled voltage outputs of ±10 V, which have ±2% accuracy and 25 mA output current. The digital inputs are designed to react to certain voltage thresholds; when the voltage hits or exceeds 8.5 V, they switch ON; when the voltage drops below 6.5 V, they switch off. This hysteresis prevents false switching caused by noise and allows for accurate digital signal recognition. These inputs allow for precise control of the associated servo system by performing various control tasks such as call-ups, inversion, enable and four quadrant operation.
The setting ranges offer a lot of flexibility to adjust the amplifier to the needs of the application. These ranges include zero adjustment (±30%), command value adjustment (0 to 110%), ramp time adjustment (20 ms to 5 s, switchable to 0.2 to 50 s), step level adjustment (0 to 50%) and amplitude attenuator adjustment (0 to 110%). The small size of the amplifier allows it to be integrated into industrial control cabinets; its physical design is Euro-card size (100 x 160 mm, DIN 41494), and it weighs 0.15 kg. Reliable operation in various industrial environments is guaranteed by the operating temperature range of 0 °C to 50 °C and the storage temperature range of -25 °C to +85 °C. Robust and secure electrical connections are provided by the 48-pin male multipoint connector (DIN 41612, design F).
Frequently Asked Questions about VT-VRPA2-2-10b/V0/T1:
Q: What is the operating voltage range of the VT-VRPA2-2-10b/V0/T1 electric amplifier?
A: The amplifier operates on a nominal 24 VDC power supply, with a voltage tolerance of +40% to -20%. This allows it to function within an input voltage range of 18 V to 35 V, ensuring flexibility and compatibility with different power sources in industrial applications.
Q: What types of analog inputs does this amplifier support?
A: The VT-VRPA2-2-10b/V0/T1 offers multiple analog input options, including voltage-based command signals (0 ±10 V) with high input resistance and a differential input with an input resistance of >50 kΩ. Additionally, it supports a 4 to 20 mA current input with a 100 Ω load resistor, making it highly versatile for different control configurations.
Q: How does the amplifier handle ramp time adjustments?
A: The ramp time is adjustable from 20 milliseconds to 5 seconds, providing precise control over acceleration and deceleration rates. By adjusting a jumper (J3), the ramp time range can be extended to 0.2 to 50 seconds, making it adaptable for applications requiring more gradual or rapid signal transitions.
Q: What kind of analog outputs does the VT-VRPA2-2-10b/V0/T1 provide?
A: This amplifier features two analog output options: a ±10 V output with a 2% accuracy and a maximum output current of 2 mA, as well as a 4 to 20 mA output with 2% accuracy and a maximum load resistance of 500 Ω. These outputs allow for seamless integration with various monitoring and feedback systems.
Q: What are the digital input thresholds for this amplifier?
A: The digital inputs activate when the voltage is at least 8.5 V and remain ON up to the supply voltage (UB). They switch OFF when the voltage drops to between 0 V and 6.5 V. These inputs are used for functions such as enabling, inverting, executing call-ups, and facilitating four-quadrant operation.
