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The Bachmann BS209 Backplane Baseboard provides the mechanical and electrical backbone for M1 automation systems, supporting up to nine module positions. It ensures reliable signal distribution, modular scalability, and robust integration for industrial control environments.
Manufacturer: Bachmann electronic GmbH
Product Number: BS209
Product Type: PLC Backplane / Baseboard
System Compatibility: Bachmann M1 automation system modules
Slots: 9 module positions (CPU, I/O, communication, power)
Bus System: FASTBUS communication backbone
Installation: Rack‑mounted design for M1 systems
Dimensions: 130 × 25 × 150 mm (typical)
Operating Temperature: –30 °C to +60 °C
Storage Temperature: –40 °C to +85 °C
Humidity Range: 5–95% RH non‑condensing
Certifications: CE, UL, RoHS, marine approvals (DNV, LR, ABS, BV, NK, KR, RINA)
9‑Slot Capacity: Supports multiple CPUs, I/O, communication, and power modules
System Backbone: Provides electrical and communication bus for M1 modules
Flexible Expansion: Enables scalable system design with modular integration
Industrial Reliability: Built for continuous duty in harsh environments
Certified Quality: Approved for industrial and marine applications
Compact Design: Efficient rack utilization with robust mechanical support

Quick dispatch from our global inventory to reduce downtime and ensure uninterrupted operations.
All parts are sourced from reputable manufacturers and undergo thorough quality checks.
Extensive stock of industrial automation and discontinued parts, ready for immediate shipment.
Every product — including obsolete items — is covered by a 12-month warranty and 30-day return guarantee.
All product names, trademarks, brands, and logos mentioned on this website are the property of their respective owners.These names and trademarks are used for identification and reference purposes only.We are an independent supplier of industrial automation spare parts.We are not an authorized distributor, dealer, or representative of any manufacturer.Products supplied may include surplus inventory or unused items.We do not claim any affiliation with or endorsement by the original manufacturers.