VT-VRPA2-2-10b/V0/T1 Bosch Rexroth Indramat
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MPN: R900979889
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.
Internal Product Review
This electric amplifier offers a versatile solution for industrial control applications. Its wide operating voltage range enhances its adaptability to different power supplies. The inclusion of multiple analog input types allows for flexible integration with various control systems. Furthermore, the adjustable ramp times provide fine-tuning capabilities for precise motion control.
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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).
