BAUMULLER BUH2-90/90-34-101-00 3.8638AA PLC Control Module – BUH2 Series
Baumüller BUH2-90/90-34-101-00 3.8638AA is listed for BUH2 Series RFQ review. Confirm quantity, condition and destination before quotation.
Model: BUS6-MC-00-S000-3051-SI00-0000
Product Overview
Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.
Datasheet Preview
Use attached product manuals when available. If the manual is not public yet, request the full file directly through RFQ.
Commercial Path
Product pages on DRIVEKNMS are designed to verify model, brand and series first, then move the buyer into one clean quotation path.
Technical Dossier
Baumüller introduced the BUS6 platform as a modular, rack-based servo controller architecture designed for synchronous and asynchronous multi-axis motion tasks. The system is built around a central master controller (MC) board — such as the BUS6-MC-00-S000-3051-SI00-0000 — which manages real-time axis coordination, fieldbus communication, and system diagnostics across the backplane bus.
Early BUS6 configurations relied on proprietary Baumüller fieldbus protocols for inter-module communication. Later revisions introduced PROFIBUS-DP and CANopen interface options, expanding integration compatibility with Siemens S7, Beckhoff, and third-party PLC platforms. The transition between firmware generations (particularly the 30xx and 31xx series controller variants) introduced parameter set incompatibilities that require careful version matching during module replacement — a detail that generic spare parts suppliers frequently overlook.
As the BUS6 platform has aged, Baumüller has progressively migrated its active product line toward the b maXX 5000 and b maXX 4000 series. BUS6 is no longer in active production. Replacement modules are available only through secondary market channels, making verified inventory a critical operational resource for facilities that have not yet completed platform migration.
The following SKUs represent confirmed BUS6 series components. Each entry reflects the module's primary functional role within the BUS6 rack architecture:
BUS6-MC-00-S000-3051-SI00-0000: Master controller motherboard; central axis coordination and backplane bus management
BUS6-MC-00-S000-3041-SI00-0000: Master controller variant; earlier firmware revision, 30xx parameter set
BUS6-MC-00-S000-3061-SI00-0000: Master controller variant; extended memory configuration for large axis counts
BUS6-EA-00-S000-0000-SI00-0000: Expansion adapter module; backplane slot extension for additional I/O or drive modules
BUS6-PB-00-S000-0000-SI00-0000: PROFIBUS-DP communication interface module; slave node integration
BUS6-CB-00-S000-0000-SI00-0000: CANopen fieldbus interface module; multi-master network support
BUS6-DI-00-S000-0000-SI00-0000: Digital input module; 24 VDC logic-level signal acquisition
BUS6-DO-00-S000-0000-SI00-0000: Digital output module; relay and transistor output configurations
BUS6-AI-00-S000-0000-SI00-0000: Analog input module; ±10 V / 4–20 mA process signal conditioning
BUS6-AO-00-S000-0000-SI00-0000: Analog output module; setpoint signal generation for external actuators
BUS6-PS-00-S000-0000-SI00-0000: Rack power supply module; 24 VDC backplane power distribution
BUS6-EN-00-S000-0000-SI00-0000: Encoder interface module; incremental and absolute encoder signal processing
BUS6-SY-00-S000-0000-SI00-0000: Synchronization module; multi-rack axis phase locking
BUS6-IO-00-S000-0000-SI00-0000: Combined I/O expansion module; mixed digital signal handling
BUS6-DP-00-S000-0000-SI00-0000: Distributed periphery interface; remote I/O node connectivity
BUS6-CP-00-S000-0000-SI00-0000: Co-processor module; auxiliary computation offload for complex motion profiles
Note: BUS6 part numbers encode configuration options within the string. Confirm full part number against your system's rack label or Baumüller documentation before ordering. DriveKNMS technical staff can assist with cross-referencing.
With BUS6 no longer in active production, procurement teams face a narrowing window to secure replacement inventory before secondary market supply is exhausted. The BUS6-MC-00-S000-3051-SI00-0000 motherboard is among the highest-demand components in the series, as master controller failures render the entire rack non-operational regardless of the condition of peripheral modules.
DriveKNMS operates a dedicated obsolete parts sourcing function for Baumüller BUS6 inventory. Our procurement network spans decommissioned plant equipment, controlled OEM overstock, and verified industrial surplus channels across Europe and Asia. All units entering our inventory are logged with source documentation and subjected to the QA process described below before being offered for sale.
BUS6 modules — particularly the MC-series motherboards — incorporate complex multi-layer PCB assemblies with dense backplane connector arrays, real-time processor subsystems, and firmware stored on non-volatile memory devices. Standard visual inspection is insufficient for these components. DriveKNMS applies a structured five-stage verification protocol to all BUS6 units:
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