VT-VRPA1-500-20/V0

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The VT-VRPA1-500-20/V0 is a pneumatic actuator amplifier with a smart positioner type 3730-1 offering EEx ia protection. Designed by Bosch Rexroth Indramat as part of the VT-VRPA Electric Amplifiers series, it features an IP66-rated positioner enclosure and supports 4-20 mA signal output.

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Product Description:

The VT-VRPA1-500-20/V0 electric analog amplifier introduced by Bosch Rexroth actuates pilot-operated servo solenoid valves. This amplifier houses a power supply. The product encompasses one output stage. This device depicts compatibility with a VT 3002-2X/32 single card holder. The unit uses an external command value potentiometer for its 9 V command value input. Its maximum load-carrying capacity is rated at 25 A. This amplifier incorporates a ramp function for its operation.

The product comprises an enable input with a signal of greater than 10 V. This device has one command value input that functions like a differential input. The unit is sized at 100 x 182 mm. It must be grounded properly before it is put into operation. This amplifier-related safety-relevant machine functions should not be activated using the electrical signals processed by its control electronics. The product has multiple LEDs on its front panel. This device has a 0 °C to 70 °C wide operating temperature range. The unit allows various adjustments to be made based on the requirements. It uses slow-blowing type fuses for the operation.

This amplifier has a 22 V rating as the lower limit value for the voltage needed for proper operation. The product has live connection points even for a short while after its operation. This device permits the activation and deactivation of its ramp function. The unit-associated connections are permitted only with cables from the same manufacturer. It is not intended to be deployed for residential use. This electric analog amplifier comes in a compact size. The product requires a 0.3 V to 0.5 V low setpoint setting for its zero compensation. This device-enabled status is indicated by a green-colored LED. The unit utilizes a 32-pin male connector for its connection. Its configuration must be done according to the application.

Actuator Area
350 cm²
Actuator Type
Pneumatic Actuator Type 3277
Air Fail Function
Air fail close
Din Standard
DIN 11850 Series 2
Display
Backlit LCD and 5-digit display
Enclosure / Ip Rating
IP66 for positioner; ABS IP65 for transmitter housing
Material
Plug stainless steel WN 1.4404
Maximum Shut-off Pressure
Approximately 16 bar
Operating Pressure Range (actuator)
0.8 to 2.4 bar
Optional Software
LCC-100 configuration software available
Outer Diameter
41 mm
Positioner Type
Smart Positioner Type 3730-1 with EEx ia protection
Power Supply
11-30 VDC (with option for 18-30 Vdc)
Relay Output
2 relays, 1 A SPDT, 30V DC/AC
Signal Output
Variable 4-20 mA

Frequently Asked Questions about VT-VRPA1-500-20/V0:

Q: What connector does the VT-VRPA1-500-20/V0 amplifier use for its connection?

A: The VT-VRPA1-500-20/V0 amplifier uses a 32-pin male connector for its connection.

Q: What is the solenoid current of the output stage of the VT-VRPA1-500-20/V0 amplifier?

A: The solenoid current of the output stage of the VT-VRPA1-500-20/V0 amplifier is 1.2 A +/-10%.

Q: What control does the output stage of the VT-VRPA1-500-20/V0 amplifier have?

A: The output stage of the VT-VRPA1-500-20/V0 amplifier has closed-loop control.

Q: How is the ramp function of the VT-VRPA1-500-20/V0 amplifier activated or deactivated?

A: The ramp function of the VT-VRPA1-500-20/V0 amplifier is activated or deactivated using the ramp-off control input.

Q: What is the color of the LED of the VT-VRPA1-500-20/V0 amplifier when there is a cable break?

A: The color of the LED of the VT-VRPA1-500-20/V0 amplifier is yellow when there is a cable break.


Internal Product Review

  • ‘‘The VT-VRPA1-500-20/V0 analog amplifier controls throttle valves of different sizes. It supports different ramp time settings. The amplifier has a compact size.’’

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