BACHMANN BS206 – 6-Slot Backplane Module | MPC240 Series Automation System
Engineering Background: The BACHMANN BS206 is a 6-slot passive backplane designed for use within the BACHMANN MPC240 modular programmable controller platform. BACHMANN electronic GmbH, headquartered in Feldkirch, Austria, is a specialist in high-reliability automation and control systems for wind energy, power generation, and industrial process control. The BS206 backplane forms the physical and electrical backbone of the MPC240 rack assembly, providing the inter-module communication bus, power distribution rails, and mechanical mounting structure for I/O and CPU modules.
Product Positioning: The BS206 is a critical infrastructure component — not a field-replaceable I/O card, but the structural chassis element that all other MPC240 modules depend upon. It is essential for system expansion, rack replacement after physical damage, and new panel builds using the MPC240 architecture. Procurement engineers sourcing this part should treat it as a long-lead, safety-critical item requiring verified provenance and functional testing.
Complete Technical Specifications
- Manufacturer: BACHMANN electronic GmbH (Austria)
- Part Number: BS206
- Module Type: Passive Backplane / Rack Bus Board
- Platform: BACHMANN MPC240 Modular PLC System
- Slot Count: 6 module slots
- Bus Architecture: Proprietary BACHMANN MPC internal I/O bus
- Power Distribution: Integrated power rails for 24 VDC module supply
- Connector Type: DIN-rail compatible, rear-panel bus connectors
- Mounting: DIN rail or panel-mount (standard MPC240 enclosure)
- Compatible CPU Modules: MPC240, MPC265, MPC270 series controllers
- Compatible I/O Modules: All MPC240-series I/O cards (DI, DO, AI, AO, counter, communication)
- Operating Temperature: -20°C to +60°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5% to 95% non-condensing
- Protection Class: IP20 (module installed in enclosure)
- Vibration Resistance: IEC 60068-2-6 compliant
- Shock Resistance: IEC 60068-2-27 compliant
- Certifications: CE, UL (system-level)
- Weight: Approx. 280 g
- Dimensions: Standard MPC240 rack form factor
Proven Application Environments
- Wind Energy: BACHMANN MPC systems are the de facto standard in wind turbine control — BS206 backplanes are found in nacelle and tower control cabinets of major OEM turbines (Vestas, Siemens Gamesa, Nordex, Enercon).
- Hydropower & Small-Scale Generation: Used in run-of-river and pumped-storage plant automation where compact, reliable rack assemblies are required.
- Industrial Process Control: Deployed in machine automation, test bench control, and process monitoring applications requiring modular I/O expansion.
- Power Grid Infrastructure: Substation automation and grid-tie inverter control systems using MPC240 architecture.
- Marine & Offshore: Installed in vessel automation and offshore platform control panels where vibration and temperature tolerance are critical.
- OEM Machine Builders: Integrated into custom automation panels by European and Asian OEMs using BACHMANN as their preferred control platform.
Engineering Advantages
- Passive Design Reliability: As a passive backplane with no active components, the BS206 has an extremely high MTBF — failure modes are limited to physical damage, connector wear, or power rail shorts, all of which are visually inspectable.
- Hot-Swap Module Support: The MPC240 architecture supports module hot-swap on the BS206 backplane in supported firmware configurations, enabling I/O card replacement without rack power-down.
- Scalable Rack Architecture: The 6-slot configuration of the BS206 allows flexible I/O allocation — mix CPU, communication, and I/O modules in any slot order per BACHMANN configuration rules.
- Deterministic Bus Timing: The MPC internal bus on the BS206 provides deterministic cycle times critical for real-time control applications such as wind turbine pitch and yaw control.
- Compact Footprint: Optimized for space-constrained control cabinets typical in wind turbine nacelles and marine panels.
- Long Product Lifecycle: BACHMANN maintains long-term availability commitments for MPC240 components, reducing obsolescence risk for installed base operators.
System Architecture & Signal Flow
The BS206 backplane sits at the center of the MPC240 rack assembly. The CPU module (e.g., MPC240 or MPC265) occupies the leftmost slot and acts as the bus master. All I/O modules inserted into the remaining slots communicate with the CPU via the backplane bus — no external wiring between modules is required for inter-module communication.
- Power Entry: 24 VDC is supplied to the backplane via the power supply module or external terminal block; the BS206 distributes this to all inserted modules via integrated power rails.
- Bus Communication: The proprietary MPC internal bus carries cyclic I/O data, diagnostic information, and configuration parameters between CPU and I/O modules at deterministic scan rates.
- Field Wiring: All field signal wiring connects directly to the front-face terminals of individual I/O modules — the backplane carries only inter-module bus signals and power.
- Expansion: Multiple BS206 racks can be linked via BACHMANN expansion bus cables (e.g., using the CAN or Ethernet-based expansion options) to build larger I/O systems beyond 6 slots.
Sourcing & Quality Verification
- Source: Units sourced from decommissioned wind turbine control panels, authorized BACHMANN distributors, and certified industrial surplus channels.
- Inspection Protocol: Each BS206 undergoes visual inspection (PCB, connectors, bus traces), power rail continuity test, and slot connector integrity check prior to shipment.
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Condition Grades:
- New (factory-sealed): Original BACHMANN packaging, full OEM documentation.
- Refurbished (tested & certified): Cleaned, inspected, functionally verified, 12-month warranty.
- Used (as-removed, tested): Removed from operational systems, tested, cosmetic wear acceptable.
- Warranty: 12-month warranty on all units sold by Konmask.com, covering functional defects.
- Documentation: Test report, condition certificate, and datasheet available upon request.
- Counterfeit Risk: Low for passive backplanes, but all units are cross-referenced against known BACHMANN part markings and PCB revision codes.
Procurement Process
- Online Order: Add to cart on this page. Secure checkout supports bank transfer (T/T), PayPal, and major credit cards.
- RFQ via Email: Send part number, quantity, required condition grade, and delivery timeline to [email protected].
- Phone / WhatsApp: +0086 19859288691 — Monday to Saturday, 09:00–18:00 CST.
- Lead Time: In-stock units ship within 1–3 business days. Ex-stock sourcing lead time: 5–15 business days depending on condition grade.
- Export & Customs: International shipping available. Full export documentation provided: commercial invoice, packing list, certificate of origin, and HS code declaration.
- Volume Pricing: Discounts available for orders of 3+ units or project-based procurement. Request a formal quotation.
- Emergency Supply: Expedited sourcing available for unplanned downtime situations — contact us with urgency details.
Technical FAQ
Q: Is the BS206 compatible with all MPC240-series modules?
A: Yes. The BS206 backplane is the standard rack for the entire MPC240 module family, including CPU, digital I/O, analog I/O, counter, and communication modules. Verify slot assignment rules in the BACHMANN MPC240 system manual for CPU slot restrictions.
Q: Can the BS206 be used with MPC210 or MPC300 series modules?
A: No. The BS206 is specific to the MPC240 bus architecture. MPC210 and MPC300 series use different backplane form factors and bus protocols — they are not cross-compatible.
Q: What is the maximum number of BS206 racks that can be linked in one system?
A: This depends on the expansion bus type and CPU model. Refer to the BACHMANN MPC240 system configuration guide for maximum rack count and cable length limitations per expansion topology.
Q: Can I replace a damaged BS206 without replacing the CPU or I/O modules?
A: Yes, provided the replacement BS206 is the same hardware revision. Remove all modules, replace the backplane, and re-insert modules. No firmware changes are required for a like-for-like backplane swap.
Q: Is the BS206 still in production by BACHMANN?
A: BACHMANN periodically revises its product lineup. Contact Konmask for current OEM availability status. Refurbished and tested units are available from our stock for installed-base maintenance.
Q: Do you provide a functional test report with the BS206?
A: Yes. A power rail continuity and connector integrity test report is provided for all refurbished and used units. New factory-sealed units include original BACHMANN quality documentation.
Q: What is the typical failure mode of a BS206 backplane?
A: The most common failure modes are: (1) physical damage to slot connectors from repeated module insertion/removal, (2) power rail shorts caused by module failure or foreign object ingress, and (3) PCB trace damage from moisture or overcurrent events. All are visually detectable during our inspection process.
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