VT-VRPA2-1-11/V0/T5

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Model VT-VRPA2-1-11/V0/T5 features adjustable ramp adjustment and a control signal range from -10 to +10 V. Produced by Bosch Rexroth Indramat, it is part of the VT-VRPA Series and offers reverse polarity protection. The device has partial short-circuit protection, a characteristic curve generator, and cable break monitoring.

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Product Description:

The VT-VRPA2-1-11/V0/T5 is an astounding electric amplifier crafted by the Rexroth Bosch Group of companies. Released under the electric drives and controls product umbrella, the VT-VRPA2-1-11/V0/T5 exhibits high efficiency and rapid response times during operation. Based on its documentation, the VT-VRPA2-1-11/V0/T5 works best for actuating servo solenoid valves such as the 4WRP product line or series 1X. It comes in a Eurocard format and supports installation in a 19-inch rack. Impressively, the ramp generator for this electric amplifier module can be deactivated anytime. It also provides adequate compensation for the deadband, which allows it to cater for a wider range of applications and systems.

As a highly accurate electrical amplifier, the VT-VRPA2-1-11/V0/T5 employs a closed-loop position controller via PID. It also detects open circuits, especially on the feedback signal cable, making it an ideal amplifier for critical systems. Another powerful characteristic of the VT-VRPA2-1-11/V0/T5 is that it provides partial short circuit protection for both its input and output channels. For applications commonly exposed to moist and dynamic environments, having a short-circuit-protected electrical amplifier can make a big difference. Aside from protecting the connected devices, it can also protect the lives of personnel involved and prevent avoidable expenses as a consequence of unexpected short-circuits.

The VT-VRPA2-1-11/V0/T5 also offers adjustable zero valve, sensitivity parameter, and ramp times. During operation, this amplifier module requires at least 24 VDC to run and operates at an ambient temperature ranging from 0 to 70 degrees Celsius. Depending on the active solenoid, the typical power consumption of electrical amplifier modules like the VT-VRPA2-1-11/V0/T5 may vary. For NG6 solenoids, the typical power consumption is 35 watts. For NG10 solenoids, on the other hand, typical amplifier power consumption is around 60 watts.

Characteristic Curve Generator
Adjustable
Control Signal
-10 to +10 V
Current Input
1.5 or 2.5 A
Digital Inputs
Enable and polarity change
Fault Detection
Cable break and short circuit monitoring
Features
5 slopes and phase identification
Measurement Socket
Interruptible
Oscillator Frequency
2.5 kHz
Output Stage
Short-circuit protection
PCB dimensions
100 x 160 x 35 mm
Power Supply
24 V
Ramp Adjustment
Adjustable
Ready Output
Yes
Voltage Protection
Reverse polarity protection
Weight
0.25 kg

Frequently Asked Questions about VT-VRPA2-1-11/V0/T5:

Q: What are the dimensions of the VT-VRPA2-1-11/V0/T5’s PCB?

A: The VT-VRPA2-1-11/V0/T5’s PCB measures 100 by 160 by 35 millimeters.

Q: What storage conditions are ideal for the VT-VRPA2-1-11/V0/T5?

A: The VT-VRPA2-1-11/V0/T5 can effectively be stored or transported at a temperature or ambient range of -20 to 70 degrees Celsius.

Q: How much does the VT-VRPA2-1-11/V0/T5 weigh in pounds?

A: The VT-VRPA2-1-11/V0/T5 has a mass of 0.55 pounds or 0.25 kilograms.

Q: What smoothing capacitor is compatible with the VT-VRPA2-1-11/V0/T5?

A: A 4,700 microfarad/63 VDC smoothing capacitor is suitable and required if the amplifier’s power supply voltage ripple exceeds beyond 10%.

Q: What battery or rectified AC voltage is suitable for the VT-VRPA2-1-11/V0/T5?

A: In the absence of a reliable DC supply, a battery with an accumulated voltage between 21 and 40 V can be used as a supply for the VT-VRPA2-1-11/V0/T5. Alternatively, a rectified AC source can also be used with a voltage range of 21 to 28 V.


Internal Product Review

  • ‘‘The VT-VRPA2-1-11/V0/T5 is a well-known electrical amplifier from the VT-VRPA product series. Its compact design makes it the perfect amplifier for the most sophisticated applications employing the smallest components and modules. It offers adjustable ramp times, valve zero characteristic, and sensitivity rate. With a closed-loop output stage, this electrical amplifier provides more precise control by looping an error signal back to the input side.’’

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