The BS204 (Part Number: 00012110-00) is a 4-slot backplane for the Bachmann M1 system, providing structural support and high-speed internal bus connectivity for one CPU and up to three I/O or communication modules. It supports side-by-side expansion via lateral connectors and features vibration-proof module fixing, making it ideal for compact automation cabinets in industrial and renewable energy applications.
| Parameter | Specification |
|---|---|
| Module Slots | 4 (1 CPU + 3 expansion) |
| Bus Type | Integrated high-speed M1 internal system bus |
| Mounting | 35mm DIN rail (EN 60715) |
| Expansion | Lateral bus connectors for multi-backplane bridging |
| Mechanics | Compact, vibration-resistant reinforced housing |
| Fixing | Module-to-backplane screw locking system |
| Operating Temperature | −30 °C to +60 °C |
Used in small-to-medium automation systems, wind turbine pitch control, test benches, and remote substations. Ideal for decentralized cabinets requiring compact, high-speed module integration.
Can different module types be mixed on a single BS204?
Yes. After installing the CPU, the remaining slots can host any combination of digital I/O, analog I/O, or communication modules.
How can I expand beyond 4 slots?
Multiple BS204 or BS206 backplanes can be daisy-chained via lateral connectors. Ensure your NT-series power supply can handle the total system load.
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