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The Siemens 6ES7412-1XJ05-0AB0 is a central processing unit for the SIMATIC S7-400 automation system. This controller provides a cost-effective solution for medium-scale applications with moderate I/O configurations . It handles binary instructions in just 75 ns and floating-point math in 225 ns . The unit also features an integrated MPI/DP interface for flexible networking.
Technical Specifications
The Siemens 6ES7412-1XJ05-0AB0 offers 288 KB of integrated work memory, with 144 KB for program and 144 KB for data storage . It supports up to 32,768 digital I/O and 2,048 analog I/O channels for flexible system expansion . The integrated MPI/DP interface operates at 12 Mbit/s and connects up to 32 stations . The CPU measures 25 mm in width and weighs approximately 0.72 kg .
Key Technical Data
| Parameter | Specification |
|---|---|
| Product Type | CPU 412-1 DP |
| Compatibility | SIMATIC S7-400 |
| Work Memory | 288 KB (144 KB program, 144 KB data) |
| Processing Speed (Bit) | 75 ns |
| Processing Speed (Float) | 225 ns |
| Digital I/O, max. | 32,768 inputs / 32,768 outputs |
| Analog I/O, max. | 2,048 inputs / 2,048 outputs |
| Interfaces | MPI/DP (12 Mbit/s) |
| MPI Stations, max. | 32 |
| Power Loss (Typical) | 3.5 W |
| Dimensions (W x H x D) | 25 x 290 x 219 mm |
| Weight | Approx. 0.72 kg |
| Protection | Password protection, know-how protection |
Communication and System Integration
The Siemens 6ES7412-1XJ05-0AB0 integrates seamlessly into PROFIBUS DP networks as a master. This interface allows connection to distributed I/O systems and drives for flexible automation architectures . It supports PG/OP communication and global data communication for easy programming and HMI connectivity . The CPU also handles S7 communication and S5-compatible communication for integration into existing installations . The integrated diagnostics buffer stores the last 120 fault and interrupt events .
Memory and Processing Features
This CPU incorporates a powerful processor that executes binary operations rapidly for time-critical control tasks . The 288 KB work memory stores substantial user programs and system data. The unit requires a battery for memory retention during power interruptions . The hardware clock maintains accurate time for time-stamped diagnostics and event logging . The Siemens 6ES7412-1XJ05-0AB0 is a reliable choice for medium-sized automation projects.