Rexroth R901044346 VT-VPCD-1-18/V0/1-0-1 Amplifier, 1-Ch. Proportional Valve Power Unit, Card Type – Pack of 1

Rexroth R901044346 VT-VPCD-1-18/V0/1-0-1 Amplifier

The Rexroth R901044346 VT-VPCD-1-18/V0/1-0-1 is a sophisticated 1-channel proportional valve amplifier, specifically designed as a card-type power unit for precise control of proportional directional and pressure control valves without electrical position feedback. This amplifier is engineered to provide highly accurate and repeatable control of hydraulic proportional valves, essential for applications requiring fine adjustments of flow and pressure. Its robust design and advanced control features make it suitable for a wide range of industrial hydraulic systems, demanding high precision and reliability.

Manufacturer Information:

• Manufacturer: Bosch Rexroth AG
• Part Number: R901044346
• Product Type: Proportional Valve Amplifier (Card Type)
• Series/Model: VT-VPCD-1 series
• Channels: 1-Channel
• Valve Compatibility: Designed for proportional directional and pressure control valves without electrical position feedback.
• Input Signal: Standard analog input signals (e.g., 0-10V, 4-20mA, or ±10V, depending on specific version suffix)
• Output Current: Proportional to the input signal, typically suited for standard proportional valve solenoids.
• Supply Voltage: Often 24 V DC (or other industrial standard, verify exact voltage with datasheet).
• Mounting: Euro card format (100 x 160 mm), suitable for 19" rack systems or card racks.
• Key Features (General for VT-VPCD-1 series):
  • Ramp Generator: Provides adjustable ramp times for smooth acceleration and deceleration of valve output, preventing hydraulic shocks.
  • Jump Function: Allows for an instantaneous change in output current at the start of a ramp for initial valve actuation.
  • Compensation: Null overlap compensation / minimum current trimming for precise control.
  • Pulse Width Modulation (PWM): For high-frequency control of solenoids, reducing hysteresis and improving valve response.
  • LED Indicators: For power, ready status, and potentially fault conditions.
  • Parameter Adjustment: Potentiometers for gain, ramp times, and offset adjustments.