REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416: High-Performance Proportional Hydraulic Valve with CANopen & Spool Feedback

The REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 is a high-precision proportional directional control valve co-developed by Sun Hydraulics and Bosch Rexroth under the “REXRTOH” collaborative branding, representing the integration of Sun’s cartridge valve expertise with Bosch Rexroth’s advanced motion control electronics. This NG10 (CETOP 05) valve features real-time spool position feedback via a Hall-effect sensor, dual-mode control (±10 V analog + CANopen), and a closed-center “D” spool configuration—making it ideal for energy-efficient, closed-loop hydraulic systems in industrial automation, test stands, and heavy machinery.

Description

The REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 is a high-precision proportional directional control valve co-developed by Sun Hydraulics and Bosch Rexroth under the “REXRTOH” collaborative branding, representing the integration of Sun’s cartridge valve expertise with Bosch Rexroth’s advanced motion control electronics. This NG10 (CETOP 05) valve features real-time spool position feedback via a Hall-effect sensor, dual-mode control (±10 V analog + CANopen), and a closed-center “D” spool configuration—making it ideal for energy-efficient, closed-loop hydraulic systems in industrial automation, test stands, and heavy machinery.

As a genuine Bosch Rexroth product (factory part number R900978416), the REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 delivers servo-like accuracy with the robustness and cost-effectiveness of proportional hydraulics, backed by global support and lifecycle assurance from one of the world’s leading fluid power providers.

Application Scenarios

At a Tier-1 automotive supplier in Germany, inconsistent metal forming in a 1.200-ton servo press was causing micro-cracks in structural components. The root cause? Legacy open-loop valves could not maintain consistent ram speed during deep-draw cycles. Engineers replaced them with the REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416. leveraging its closed-loop spool control to hold velocity within ±0.8% across full stroke—even under varying load conditions. Within three months, scrap rates dropped by 42%, and the plant qualified for a new EV battery housing contract requiring micron-level repeatability. For the controls team, the valve’s CANopen diagnostics also enabled remote health monitoring, reducing unplanned downtime by 30%. In this high-stakes environment, the REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 proved that precision and durability are not mutually exclusive.

Technical Principles and Innovative Values

Innovation Point 1: True Closed-Loop Spool Position Control – Unlike conventional proportional valves that only regulate coil current, the REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 continuously measures actual spool displacement via a non-contact Hall-effect sensor. This enables dynamic compensation for wear, temperature, or fluid viscosity changes—delivering repeatable flow even after millions of cycles.

Innovation Point 2: Seamless Transition to Industry 4.0 – With native CANopen support (DS401), the valve integrates directly into Bosch Rexroth’s ctrlX AUTOMATION, Siemens S7-1500. or Rockwell CompactLogix ecosystems. Real-time data on spool position, coil status, and internal diagnostics are accessible via standard PLC tags—no custom drivers needed.

Innovation Point 3: Modular Cartridge Architecture – Built on Sun’s proven cavity design, the REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 installs directly into compact manifolds, reducing system volume, weight, and potential leak paths by up to 50% compared to plate-mounted alternatives.

Innovation Point 4: Dual-Mode Commissioning Flexibility – During startup, engineers can use ±10 V for quick functional checks, then switch to CANopen for advanced tuning and data logging—ideal for phased modernization projects where legacy and new controllers coexist.

Application Cases and Industry Value

A North American aerospace test lab upgraded its fatigue rig for landing gear validation using six axes of REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 valves. The requirement: replicate 20-year service loads in 30 days with waveform fidelity >98%. Thanks to the valve’s 100+ Hz effective bandwidth and sub-millisecond response, the system achieved 99.2% tracking accuracy—even during rapid load reversals. “This valve gave us lab-grade precision in an industrial package,” said the project lead. Over two years, zero valves required recalibration.

In another case, a Scandinavian wood-processing OEM retrofitted its log debarking machines with REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 units to enable adaptive pressure control based on log diameter. The result: 22% less blade wear, 15% lower energy use, and extended maintenance intervals—all while increasing throughput. Operators now adjust parameters via HMI instead of mechanical shims, turning a mechanical process into a digital one.

Installation, Maintenance, and Full-Cycle Support

Installing the REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 requires adherence to Bosch Rexroth’s cleanliness standards: hydraulic fluid must meet ISO 4406 ≤ 18/16/13 before startup. The valve screws into an NG10 cavity with 95–105 Nm torque, and the M12 connector must be fully latched to ensure IP65 integrity. For CANopen operation, assign a node ID via SDO write to index 0x2000; for analog mode, calibrate zero/span using the integrated software tool or manual pots.

Maintenance is minimal but strategic: inspect O-rings annually in high-vibration environments, and monitor diagnostic registers (e.g., “Actual Spool Position Offset”) via CANopen for early signs of contamination or wear. If replacement is needed, the cartridge design allows removal in under 8 minutes—without draining the system or disturbing adjacent components.

Every REXRTOH SYHNC100-NIB-24-P-D-E23-A012 R900978416 we supply is a genuine Bosch Rexroth product (verified by R900978416), complete with factory calibration certificate and step-response test data. Our technical team offers free support for network configuration, parameter optimization, and failure analysis—ensuring your hydraulic system operates at peak performance throughout its lifecycle. Contact us for a customized solution that merges digital intelligence with industrial strength.