Description
The REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 is a Siemens-engineered dual-port industrial Ethernet interface board, officially rebranded and distributed under Bosch Rexroth’s REXRTOH product line for integrated motion-CNC applications. Functionally identical to the standard Siemens SYHNC100-NIB-2X, this module serves as the certified network backbone for SINUMERIK 840D sl systems deployed in hybrid architectures combining Rexroth IndraDrive or ctrlX automation platforms with Siemens CNC control. It enables deterministic communication between the PCU, NCU, drives, and enterprise networks—ensuring sub-millisecond latency for high-precision, multi-axis machining.
Designed exclusively for PCU50/PCU70 industrial PCs, the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 integrates seamlessly into Rexroth-coordinated machine tools where unified motion and CNC control demand vendor-validated interoperability.
Application Scenarios
At an automotive powertrain plant in Mexico, engineers integrated a custom five-axis transfer line using Bosch Rexroth ctrlX AUTOMATION for auxiliary axes and Siemens SINUMERIK 840D sl for main spindle control. Initial trials suffered from PROFINET timing drift due to mixed networking hardware. After deploying the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416. the system achieved full synchronization between Rexroth servo modules and Siemens NCU—reducing cycle variance by 85% and eliminating cam profile mismatches during crankshaft milling. This case highlights how the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 bridges the Siemens-Rexroth ecosystem, turning integration risk into competitive advantage.
Technical Principles and Innovative Values
Innovation Point 1: Cross-Vendor Certification – The REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 carries dual validation from both Siemens and Bosch Rexroth, ensuring seamless coexistence in hybrid control topologies—unlike generic NICs that trigger compatibility faults in mixed OEM environments.
Innovation Point 2: Unified Firmware Management – Firmware updates are synchronized through both SINUMERIK Update Manager and Rexroth Engineering Toolkit, enabling coordinated lifecycle control across CNC and motion domains without version conflicts.
Innovation Point 3: Deterministic Dual-Path Architecture – Port 1 handles real-time NCK/PROFINET traffic for Siemens NCU and Rexroth drives; Port 2 supports HMI, data logging, and remote diagnostics—physically isolating critical and non-critical streams to prevent jitter.
Innovation Point 4: Enhanced Diagnostics for Hybrid Systems – Integrated status reporting includes Rexroth-specific error codes (e.g., drive sync loss, axis timeout), visible directly in Sinumerik Operate—accelerating troubleshooting in multi-vendor cells.
Application Cases and Industry Value
A European manufacturer of hydraulic manifolds deployed a flexible machining cell combining SINUMERIK 840D sl for contour milling and Rexroth IndraMotion MTX for pallet handling. Early builds used standard Siemens NIBs, but Rexroth field engineers reported inconsistent PROFINET device discovery. Switching to the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 resolved handshake anomalies, enabling automatic topology detection and reducing commissioning time by 40%. Over 12 months, mean time between communication faults increased from 3 weeks to >18 months. The REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 thus became the de facto standard for all future Siemens-Rexroth collaborative deployments at the facility.
Related Product Combination Solutions
R900978416: Official Rexroth part number for the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416
6FC5371-0BA00-0AA0: PCU70 host—required platform for the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416
6FC5397-0AP40-0RA0: NCU720.3 PN—communicates via NCK Link through the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416
IndraDrive Cs / MS2N: Rexroth servo drives—connect via PROFINET to Port 1 of the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416
ctrlX AUTOMATION Core: Rexroth controller—synchronizes with SINUMERIK via shared PROFINET ring using the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416
SYHNC100-NIB-2X W-24-P-D-E23-A012: Standard Siemens equivalent—functionally identical but lacks Rexroth co-certification
IndraWorks Engineering: Rexroth software suite—leverages enhanced diagnostics from the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416
Installation, Maintenance, and Full-Cycle Support
Installation follows standard Siemens PCU procedures: insert the REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 into the designated PCIe slot on a PCU50/PCU70. secure with screws, and power on. The module is auto-detected by SINUMERIK OS, and its Rexroth-specific metadata enables enriched diagnostics in both Siemens and Rexroth engineering environments. No jumper settings or external configuration are required.
For maintenance, technicians can monitor dual-domain health—Siemens NCK status and Rexroth drive sync—through a unified interface. In case of failure, the module is replaced as a single unit during planned downtime. Every REXRTOH SYHNC100-NIB-23 W-24-P-D-E23-A012 R900978416 undergoes joint validation testing at Siemens and Rexroth facilities, including PROFINET Conformance Class B certification, thermal cycling, and EMI resilience per IEC 61000-4-x standards. Our technical team provides cross-platform support—from initial topology design to post-installation optimization—ensuring your hybrid Siemens-Rexroth system operates at peak precision and availability.
