Product Overview
Rexroth VT-VRPD-2-2X/V0/0-0-1 (Material Number R901066987) is a rack-mounted digital valve amplifier designed for 4WRE 6 and 4WRE10 series proportional directional valves. This closed-loop controller card provides precise command signal conversion, valve position feedback and diagnostic functions for hydraulic motion control systems. It supports flexible parameter setup via front panel keypad or software configuration, widely used in industrial hydraulic presses, test benches and automated production machinery.
Core Technical Specifications
- Part number: VT-VRPD-2-2X/V0/0-0-1, MNR: R901066987
- Product type: Digital proportional hydraulic valve amplifier
- Compatible valves: 4WRE6 and 4WRE10 series 2X proportional valves
- Supply voltage: 24 VDC
- Mounting: Eurocard rack format
- Control features: Closed-loop spool position control, ramp function, signal monitoring, fault diagnostics
- Configuration: Local front panel setup or PC software parameterization
Typical Industrial Applications
- Hydraulic test stands and material testing equipment
- Metal forming presses and injection molding machines
- Steel mill rolling equipment and automated production lines
- Mobile and stationary hydraulic proportional control systems
Installation & Maintenance Notes
- Match amplifier model strictly to the target proportional valve model to avoid mismatch
- Proper shielding of command and feedback cables is mandatory to reduce EMI interference
- Confirm 24VDC power rating and cabinet grounding before power-up
- Store backup parameter files after commissioning for fast replacement and commissioning
- Conduct valve zero and gain calibration after card replacement
Troubleshooting Tips
- Valve fails to respond: Check 24V supply, enable signal and wiring continuity
- Position drift: Recalibrate zero point and inspect spool position feedback sensor
- Oscillation / unstable motion: Tune gain and ramp parameters, check hydraulic oil contamination
- Fault code alarms: Review amplifier diagnostic menu for short circuit or wiring faults
