

The SIEMENS SIMATIC S7-300 CPU 314, with order number 6ES7314-1AF10-0AB0, is a high-performance central processing unit designed for medium-scale automation systems. It delivers robust processing capabilities for real-time control, making it a reliable choice for industries requiring precise and efficient operation. This CPU supports a wide range of applications, from discrete manufacturing to process control, and is engineered to work seamlessly with the S7-300 modular system. Its integrated MPI port simplifies diagnostics and programming, while the need for an external MMC ensures scalable memory for your specific project demands.
| Parameter | Specification |
|---|---|
| Product Type | CPU 314 |
| Order Number | 6ES7314-1AF10-0AB0 |
| Series | SIMATIC S7-300 |
| Working Memory | 48 KB |
| Load Memory | Requires Micro Memory Card (MMC) – capacity varies by card |
| Retentive Memory | Yes, size depends on MMC capacity |
| Integrated Interfaces | MPI (Multi-Point Interface) |
| Supply Voltage | 24 V DC (19.2 V to 28.8 V range) |
| Power Protection | External protection recommended for power supply cables |
| Programming Software | STEP 7 V5.x (check latest compatibility) |
| Maximum Data Blocks (DBs) | Unlimited, limited only by MMC capacity |
| Maximum Function Blocks (FBs) | Unlimited, limited only by MMC capacity (max. 32 KB per block) |
| Maximum Functions (FCs) | Unlimited, limited only by MMC capacity (max. 32 KB per function) |
| Organization Blocks (OBs) | OB1, OB10, OB20, OB21, OB32, OB33, OB34, OB35, OB40, OB100, OB80, OB82, OB85, OB87, OB121, OB122 |
| S7 Counters | Unlimited (limited only by RAM), retentive |
| S7 Timers | Unlimited (limited only by RAM), retentive |
| Bit Operation Time | Approximately 0.1 µs (typical) |
| Word Operation Time | Approximately 0.2 µs (typical) |
| Fixed-Point Arithmetic Time | Approximately 0.5 µs (typical) |
| Floating-Point Arithmetic Time | Approximately 1.0 µs (typical) |
| Application Areas | Chemical, Electronics, Electrical, and general industrial automation |

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