Rexroth Proportional Amplifier VT 5003S31 R5

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Description

Overview

The Rexroth VT5003S31R5 proportional amplifier is an electrical control card engineered for precise command and regulation of proportional solenoid valves in hydraulic systems. This amplifier converts low-level analog command signals into controlled current output to modulate valve spool position, enabling proportional flow and pressure control. The VT5003S31R5 variant features specific input/output configuration and control characteristics suited to OEM and retrofit hydraulic applications across manufacturing, packaging, material handling, and mobile equipment.

Key Features

• Proportional solenoid valve control amplification from low-voltage command input signals
• Adjustable ramp function for smooth spool acceleration and deceleration
• Built-in command value scaling and offset correction
• Compact card-module form factor for NG10 manifold cavity installation
• Industrial-grade construction designed for harsh shop-floor environments
• Field-adjustable parameters via potentiometer and DIP switch configuration

Technical Specifications

• Series: VT5003
• Full Part Number: VT5003S31R5
• Product Type: Proportional Valve Amplifier Card
• Application: Hydraulic proportional solenoid valve control
• Connector Type: 16-pin terminal strip or 32-pin male connector (verify specific variant)
• Input Signal: Analog voltage command (0–10V typical range)
• Output: Proportional current to solenoid coils
• Biasing Current: Adjustable (factory default approx. 100 mA)
• Maximum Output Current: Adjustable up to rated solenoid current
• Ramp Function: Adjustable gradient limiting for soft switching
• Control Clock Frequency: 200 Hz (standard)
• Condition: Used, fully functional

Typical Applications

• Proportional pressure-reducing valves in injection molding machines
• Proportional directional control valves for automated assembly lines
• Flow control in packaging and material handling equipment
• Load-sensing proportional valve systems in mobile hydraulic platforms
• Retrofit upgrades for proportional valve systems requiring precise electronic control

Compatibility & ReplacementsCompatible With

• Rexroth NG10 (CETOP 05) proportional solenoid valves
• Standard industrial 24 VDC power supplies
• Manual proportional valve spool positioning systems
• Hydraulic manifold cavity installations with terminal strip wiring

Replaces / Drop-In Replacement For

• Other VT5003 series component variants (verify exact model compatibility with system integrator)
• Legacy proportional valve amplifier modules requiring board-level replacement

Works With

• Proportional solenoid coils with 24 VDC rated voltage
• Analog command signal sources: potentiometers, PLC/PAC analog outputs, instrumentation
• External ramp and response networks per Rexroth system design
• Industrial proportional valve test equipment and diagnostic tools

Shipping

Shipping Date:

• Typically will ship by next business day or sooner

Additional Info:

• For free U.S. shipping we reserve the right to choose carrier: UPS, FedEx, or USPS
• For quicker shipping or blind shipments, please provide a shipping label and instructions
• International buyers pay all customs duties, taxes & brokerage fees

Warranty & Returns

Warranty:

• 30-day warranty on ALL items. After 30 days we will do our best to accommodate reasonable situations

Returns:

• All products must be in the exact condition they were received in

Payment

Payment Methods:

• Credit Cards
• PayPal

Contact Us

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