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CPU 412-3H provides central control for S7-400H installations and supported S7-400F/FH configurations.
| Code work memory512 KB | Data work memory256 KB |
| Integrated load memory256 KB RAM | Bit instruction time75 ns |
| MPI/DP interfaceRS485; up to 12 Mbit/s | DP master capacityUp to 32 DP slaves |
| Synchronization2 plug-in IF 960 interfaces | Typical power loss6 W |
Technical data follow the Siemens manual for this article with firmware V4.5. Redundant operation requires the specified synchronization components.
The CPU supports stand-alone or redundant S7-400H operation. Its combined MPI/DP interface provides programming and distributed-I/O communication; it is not configured as a DP slave.
Central processing for availability-oriented plant automation.
412-3H is the CPU designation; retain 3HJ14-0AB0 to match the documented hardware variant.
Use a compatible S7-400H rack and Siemens-specified IF 960 synchronization modules for redundant operation.
Coordinates paired CPUs in an H system.
Status monitoring and a diagnostics buffer.
Supports specified RAM or FLASH cards.
Independent portfolio references for sourcing. No cross-brand compatibility or interchangeability is implied.
Confirm the full model, quantity and destination.
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Receive price, delivery and commercial terms.
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Disclaimer: Ewolomodule sells new and surplus products and develops channels for purchasing such products. This website has not been approved or recognized by any of the listed manufacturers or trademarks. Ewolomodule is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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