VT-VRPA2-527-10/V0/RTP

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The VT-VRPA2-527-10/V0/RTP electric amplifier features a proportional solenoid with position control, a power supply of 24 V nominal, a response time of approximately 50 ms, and a degree of protection rated IP65. Part of the VT-VRPA Electric Amplifiers by Bosch Rexroth Indramat, it supports up to 315 bar working pressure.

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Product Description:

For exact control in manufacturing automation, Bosch Rexroth Indramat offers the VT-VRPA2-527-10/V0/RTP electrical amplifier. Accurate modulation of command values and ramp periods is ensured by the product's analog control. Reliability in operation is guaranteed by the master card design, that makes it ideal for applications requiring great precision.

The VT-VRPA2-527-10/V0/RTP's electrical amplifier command inputs can handle both current and voltage signals. Inputs 1 and 2 accept voltages between 0 and ±10 V. However, Command Value 5 requires a differential input voltage between 0 and ±10 V with a resistance greater than 50 kΩ. The 6th Command Value can handle a current input ranging from 4 to 20 mA and a load resistance of 100 Ω. With a resistance higher than 100 kΩ, the potentiometer inputs can handle voltages ranging from 0 to ±10 V. The external ramp time input ranges from 0 to +10 V, while the internal resistance is 10 kΩ with a maximum voltage of +15 V. The amplifier's usual ramp period is 20 ms to 5 s, but in extended mode, you can set it anywhere from 0.2 s to 50 s. The amplitude attenuator can be changed between 0% and 110%, with the step level set to 0%. The step level (S+ and S-) can be adjusted from zero to fifty percent.

The VT-VRPA2-527-10/V0/RTP electrical amplifier is offered in a basic form and weighs 360 g. By incorporating stable, high-precision control elements that work in a variety of environments, the amplifier guarantees constant performance. Enhanced adaptability for applications requiring regulated signal processing is provided by the technical specifications. The amplifier provides consistent regulation of valve current for regulated actuation and is compatible with 2.7A solenoid types. Efficient control for dynamic applications is made possible by the design, which allows reliable command signal modulation.

Actuation
Proportional solenoid with position control
Amplifier
External
Connection
Subplate, mounting hole configuration
Degree of protection
IP65 (DIN 40050, IEC 14434‑5)
Fluid temperature range
-20°C to +80°C
Hysteresis
±0.75%
Max. current consumption
3.5 A
Max. power consumption
60 VA
Max. T-port pressure
250 bar (3626 PSI)
Max. working pressure
315 bar (4569 PSI)
Operating voltage (nominal)
24 VDC
Response time (100% signal)
≈50 ms
Viscosity (recommended)
20–100 mm²/s
Voltage range
21–30 V
Weight
8.0 kg (17.63 lb)

Frequently Asked Questions about VT-VRPA2-527-10/V0/RTP:

Q: Do the analog inputs of VT-VRPA2-527-10/V0/RTP support ±10 V?

A: Yes, AI3 and AI4 accept ±10 V with 5 mV resolution. Other analog inputs support 0 to 10 V for flexible signal processing.

Q: Why does VT-VRPA2-527-10/V0/RTP use a 64-pole connector?

A: The 64-pole connector ensures secure and high-density connections. It supports reliable signal transmission in complex control systems with multiple input and output channels.

Q: How does VT-VRPA2-527-10/V0/RTP ensure high repetition accuracy?

A: It maintains a repetition accuracy of ≤ 0.2% for precise control. This minimizes deviations in control signals for consistent hydraulic system performance.

Q: Why does VT-VRPA2-527-10/V0/RTP have an RS 232 interface?

A: The RS 232 interface enables reliable serial communication with external devices. It ensures stable data exchange for monitoring and configuration purposes.

Q: Does VT-VRPA2-527-10/V0/RTP support configurable current inputs?

A: Yes, it supports 4 to 20 mA current input with 5 μA resolution. This allows compatibility with various industrial sensors and measurement devices.


Internal Product Review

  • ‘‘Bosch Rexroth VT-VRPA2-527-10/V0/RTP delivers precise control with a hysteresis of ≤ 0.2% and repetition accuracy of ≤ 0.2%. It offers ±10 V analog output with a resolution of 10 mV. The module supports a local bus distance of up to 280 meters. It ensures reliable connectivity with a 64-pole male multipoint connector.’’

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