REXROTH VT-HNC100-1-23 W-08-P-0 | 4-Axis Synchronous Control ±0.05mm Positioning Accuracy Unit

Description

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Product Introduction

When your REXROTH industrial hydraulic drive system needs a highly reliable dedicated high-precision motion control unit to stably and accurately execute complex multi-axis hydraulic synchronous control strategies, this module acts as the core hydraulic motion control brain.
It is a flagship industrial-grade digital hydraulic motion controller from REXROTH VT-HNC100 series, specially designed for high-precision industrial hydraulic motion control scenarios. It integrates the functions of a servo amplifier, can control up to 4 hydraulic axes synchronously, and realizes closed-loop regulation of pressure, flow and position. It supports adaptive hydraulic control technology, which can compensate for the influence of temperature and oil viscosity changes in real time, ensuring that the repeated positioning accuracy of the hydraulic actuator reaches ±0.05mm. It is equipped with 8 proportional valve outputs, rich analog/digital I/O (±10V, 0-20mA), and supports CANopen and PROFIBUS DP industrial communication protocols, which can seamlessly interconnect with REXROTH IndraLogic PLCs or third-party industrial control systems. It has a built-in sleep energy-saving mode, which can reduce power consumption by 70% during idle periods, meeting the Industry 4.0 energy-saving and emission reduction requirements. It complies with SIL 2 safety standards, integrates emergency stop (STO) and overpressure protection functions, and meets the ISO 13849 machinery safety specification. Its industrial-grade rugged design fully adapts to harsh industrial environments, making it a core replacement part for REXROTH hydraulic drive system maintenance and retrofit projects in CNC machine tools, industrial robots and automated production lines.

VT-HNC100-1-23 W-08-P-0

VT-HNC100-1-23 W-08-P-0

VT-HNC100-1-23 W-08-P-0

VT-HNC100-1-23 W-08-P-0

Key Technical Specifications

Field Application & Technical Pitfalls

Critical Industrial Scenarios

• **Large CNC Machine Tool Hydraulic Servo System High-Precision Control: Acts as the core hydraulic motion control unit for REXROTH hydraulic systems in large CNC machine tools, realizing stable and high-precision 4-axis synchronous closed-loop control, ensuring the machine tool maintains ultra-high machining accuracy under complex cutting conditions.
• **Large Industrial Robot Hydraulic Drive System Motion Control: Delivers reliable high-performance motion control performance for heavy-duty hydraulic industrial robots, adapting to long-term high-load industrial operation environments, meeting the high-precision motion control requirements of heavy-duty handling robots.
• **Large Automated Production Line Hydraulic Actuator Synchronous Control: Adapts to strict continuous production industrial environments, providing stable high-precision hydraulic motion control support for the automated production line hydraulic drive system.

Non-Negotiable Technical Pitfalls

• ‌⚠️ Bold Warning 1‌: Never arbitrarily connect the proportional valve output channel to a load that exceeds the maximum current limit. The third output channel will experience overcurrent that causes the internal valve drive circuit to burn out.
• ‌⚠️ Bold Warning 2‌: Skipping the pre-commissioning full 4-axis synchronous motion continuous test will leave you with hidden hydraulic axis out-of-sync risks. This module must confirm the full multi-axis synchronous control performance fully meets REXROTH hydraulic system specifications before putting into operation.
• ‌⚠️ Bold Warning 3‌: Do not arbitrarily use non-matching non-industrial-grade shielded cables for PROFIBUS DP communication connection. Improper cable shielding performance will cause the high-speed control signal to be interfered and trigger frequent motion control misjudgment.

A large CNC machine tool factory maintenance team once swapped a REXROTH VT-HNC100-1-23 W-08-P-0 module and skipped the full 4-axis synchronous test. The hidden motion parameter configuration error caused the hydraulic axes to be out of sync, resulting in the machine tool machining accuracy deviation exceeding the standard for 1.5 hours.

Quality Control (QC) SOP & Transparency

1. ‌Inbound Verification‌: Cross-check the OEM serial number against REXROTH’s official VT-HNC100 series part registry, confirm the part number VT-HNC100-1-23 W-08-P-0 (R00958999) matches the factory label, and inspect no damage or oxidation on all proportional valve output terminals and communication ports.
2. ‌Live Rig Testing‌: Power the unit in a calibrated REXROTH hydraulic motion control system test bench, simulate full 4-axis synchronous continuous motion control scenarios, and confirm full 2-hour continuous stable operation.
3. ‌Parameter Testing‌: Verify the ±0.05mm positioning accuracy performance meets factory specifications, confirm the PROFIBUS DP communication performance meets industrial motion control standards, and validate all on-board LED status indicators work properly.
4. ‌Final QA & Packaging‌: Seal the tested module in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.

Frequently Asked Questions (FAQ)

• ‌Can I hot-swap this module while the hydraulic drive system is running?‌ No. You must first confirm that the redundant hydraulic control path is operating normally and the system is in a safe no-load state, then perform the replacement operation after cutting off the module power, otherwise you will trigger unexpected hydraulic actuator out-of-control risks.
• ‌What exact systems is this module compatible with?‌ It works natively with REXROTH IndraLogic PLC platforms and REXROTH hydraulic drive systems, and can seamlessly connect with all standard REXROTH proportional valves and hydraulic actuators, but cannot be directly used in non-REXROTH hydraulic systems without custom adaptation.
• ‌How long is the standard warranty for this new surplus unit?‌ 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by miswiring, overcurrent load, or improper motion control parameter configuration in the field.
• ‌How do I tell a genuine OEM unit apart from a refurbished clone?‌ Genuine REXROTH VT-HNC100 series modules have a laser-etched part number on the PCB, not a printed sticker. Clone units almost always fail the full 2-hour 4-axis synchronous motion control stability test.
• ‌What is the typical lead time for shipment?‌ In-stock units ship within 48 hours. If you require official REXROTH factory hydraulic motion control performance test documentation, add 2 extra business days to the turnaround window.
• ‌Can this module replace the older REXROTH legacy hydraulic motion controller?‌ Well, technically it fits the same standard system installation footprint, but you must confirm the REXROTH hydraulic system firmware version fully supports the module before replacement to ensure 100% system compatibility.