Experience enhanced system control and absolute electronic precision with the THM TMRPD Amplifier Card from Thm Hydraulics. Specifically engineered as the dedicated digital brain for heavy-duty variable piston pumps (including the A4VSO and A4VSG series), this exceptionally lightweight (0.30 kg) module translates basic command signals into the exact PWM outputs required for flawless fluid power regulation. Driven by a powerful 32-bit processor and featuring comprehensive, real-time fault diagnosis, the TMRPD safeguards your machinery against electrical anomalies while ensuring your pumps deliver strict, load-independent flow. Designed for rapid integration via a standard 35mm DIN rail or direct screw mounting, it is the ultimate electronic upgrade for the demanding civil, earthmoving, and industrial manufacturing systems driving today's infrastructure.

Core Technical Specifications

• Component Architecture: Digital Proportional Amplifier Card
• Model Series: THM TMRPD
• Unit Weight: 0.30 kg
• Processor Core: High-Performance 32-bit Processor
• Command Input Signal: 0...10 V
• Output Profile: 2 Independent PWM Output Ports
• Mounting Standard: 35mm DIN Rail Mounting or Direct Screw Holes

Key Features & Engineering Advantages:-

• Optimized Pump Control: Meticulously calibrated to serve as the perfect electronic controller for high-capacity A4VSO and A4VSG variable displacement piston pumps, ensuring they react instantly and accurately to system demands.
• Intelligent Fault Diagnosis: Features a comprehensive, built-in diagnostic suite that continuously monitors the system's health. It instantly detects and prompts operators regarding power supply voltage drops, coil shorts, open circuits, and other abnormal electrical conditions, preventing catastrophic pump failure.
• 32-Bit Processing Power: The advanced 32-bit microprocessor delivers lightning-fast calculation speeds, completely eliminating signal lag and guaranteeing that the dual PWM outputs provide ultra-smooth, continuous proportional control without hysteresis.
• Dedicated Enable Function: Equipped with a secure "Enable" command function, allowing the machine's primary PLC to safely engage or lock out the amplifier card during critical maintenance or emergency stop procedures.
• Versatile Cabinet Integration: The highly compact, 0.30 kg footprint features universal 35mm DIN rail mounting alongside standard screw holes, allowing technicians to rapidly snap it into crowded electrical control cabinets on the factory floor or mobile job site.

Ideal Industry Applications

The rapid processing power and advanced diagnostic security of the TMRPD Amplifier Card make it an essential automation component for:

• Heavy Civil & Road Machinery: Delivering the precise electronic control required to drive the massive variable piston pumps on large-scale asphalt pavers, concrete slipformers, and heavy road milling machines.
• Extreme Earthmoving Equipment: Processing the complex, variable-speed pilot signals that control the main hydraulic pumps on modern, drive-by-wire tracked excavators and high-capacity wheel loaders.
• Automated Industrial Manufacturing: Managing the exact, multi-stage fluid power demands of heavy metal-forming presses, die-casting machinery, and automated plastic injection molding equipment.
• Precision Hydraulic Test Benches: Serving as the ultra-reliable, high-speed digital controller for advanced fluid power testing facilities and automated quality control rigs.