VT-VARAP1-537-20/V0/5/3V

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The Bosch Rexroth Indramat VT-VARAP1-537-20/V0/5/3V belongs to the VT-VRPA Electric Amplifiers series and features an IP65 protection rating. It operates with a nominal 24V DC supply voltage, provides a hysteresis of ≤0.3%, and has a response time of ≤25 ms. The amplifier weighs 0.49 kg.

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Product Description:

With a 5/3-way arrangement, the VT-VARAP1-537-20/V0/5/3V is an electric amplifier that is made for 5WRP10 proportional valves. The amplifier's p/Q closed-loop regulation guarantees accurate control of pressure and flow, and it is manufactured by Bosch Rexroth Indramat. For very precise and dependable industrial automation applications, it offers analog control. For reliable and efficient performance, the amplifier has been adjusted to work with component series 20-29 (2X).

The VT-VARAP1-537-20/V0/5/3V electric amplifier reliably activates the 5WRP10 valve thanks to its 3.7 A solenoid output. Flexible integration into control systems is made possible since it accepts command values for pressure and flow control in the range of ±10 V and 0-10 V. Utilize the 4-20 mA or 0-10 V input of the pressure sensor in order to obtain accurate readings of the pressure. Despite having a power consumption of 55 W, it is able to achieve maximum efficiency while maintaining its reliability. In order to guarantee that it is compatible with proportional control applications that have several positions, the amplifier has been configured to function with 5/3V valves. The capabilities of analog control provide a smooth and responsive functioning that's essential for fluid systems that are constantly undergoing various changes.

The amplifier is designed to serve advanced hydraulic applications with precise control parameters. The output of the valve solenoid is 3.7 A max that guarantees dependable power delivery. The amplifier has reliable control features that keep the pressure and flow responsiveness at their best. For hydraulic control systems that demand precise actuation, the VT-VARAP1-537-20/V0/5/3V electric amplifier is an ideal choice. Its precise proportional control in demanding applications is guaranteed by its economical performance and superior closed-loop regulation.

Cable Break Detection
Active for actual value cable and pressure sensor
Coil Resistance (Ω)
2.4
Degree Of Protection
IP 65 to DIN 40050
Error Notifications
LED indicators for supply, cable issues, and control errors
Hysteresis
≤0.3%
Input Signal (differential Amplifier)
0 to ±10 V
Maximum Permissible Cable Length
Solenoid cables: up to 60 m with appropriate gauge sizes
Maximum Solenoid Current (a)
3.7
Position Transducer Output
±10 V
Power Consumption
55 W (typical)
Response Time
Approximately ≤25 ms (for signal change 0–100%)
Sensor Supply Voltage
+15 V DC ± 35 mA
Supply Voltage
Nominal 24 V DC; acceptable range 21...40 V DC
Valve Solenoid Output
3.7 A
Weight
0.49 kg

Frequently Asked Questions about VT-VARAP1-537-20/V0/5/3V:

Q: How do pressure sensor inputs work in VT-VARAP1-537-20/V0/5/3V?

A: The amplifier supports 4-20 mA and 0-10 V inputs. This enables accurate real-time pressure feedback for closed-loop regulation.

Q: Why does VT-VARAP1-537-20/V0/5/3V use 55 W power consumption?

A: The 55 W power consumption ensures efficient operation while maintaining stable performance. It optimizes energy use in hydraulic control systems.

Q: Do VT-VARAP1-537-20/V0/5/3V components support 5/3V valve control?

A: Yes, the amplifier is configured for 5/3V valve operation. It ensures precise control of multi-position proportional valves.

Q: How does VT-VARAP1-537-20/V0/5/3V ensure stable closed-loop control?

A: The p/Q closed-loop regulation maintains precise pressure and flow control. It continuously adjusts based on sensor feedback for optimal hydraulic performance.

Q: Why does VT-VARAP1-537-20/V0/5/3V use component series 20-29?

A: The amplifier is compatible with component series 20-29 (2X). This ensures seamless integration with Bosch Rexroth hydraulic systems.


Internal Product Review

  • ‘‘The VT-VARAP1-537-20/V0/5/3V control amplifier by Bosch Rexroth ensures accurate 5/3-way proportional valve operation with stable performance. It features a pressure sensor input of 4-20 mA and 0-10 V, supporting real-time feedback. With a power consumption of 55 W, it optimizes energy efficiency. The 3.7 A solenoid output ensures reliable actuation for high-precision hydraulic systems.’’

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