

The Siemens SIMATIC S7-300 CPU 317-2 DP (6ES7317-2AK14-0AB0) is a versatile and powerful central processing unit engineered for complex automation tasks. As a cornerstone of the S7-300 family, this CPU integrates a PROFIBUS DP interface and MPI connectivity, allowing seamless integration into existing plant networks. With its substantial memory capacity and rapid processing speeds, the CPU 317-2 DP excels in applications requiring high-speed data handling, such as synchronized motion control and distributed I/O management. Its robust design ensures reliable operation in harsh industrial environments, making it a preferred choice for system integrators and end-users seeking a balance of performance and cost-efficiency.
| Specification | Details |
|---|---|
| Product Model | 6ES7317-2AK14-0AB0 |
| Product Series | SIMATIC S7-300 |
| CPU Type | CPU 317-2 DP |
| Application Areas | Heavy industry, manufacturing, automotive, chemical processing, and other complex industrial automation systems |
| Integrated Interfaces | MPI interface; PROFIBUS DP Master/Slave interface (built-in) |
| Power Supply | 24 V DC (19.2 V to 28.8 V range) |
| Power Protection | External protection recommended (for power supply cables) |
| Storage Media | Requires a MultiMediaCard (MMC) or CompactFlash (CF) card |
| Working Memory | 128 KByte |
| Load Memory (MMC/CF) | Maximum 8 MByte |
| Retentive Memory | 128 KByte (for retentive data blocks) |
| Supported Software | STEP 7 V5.5 + SP1 or higher |
| Additional Tools | SIMATIC Manager, WinCC, etc. for visualization and monitoring |
| Bit Operation Time | Approx. 0.1 µs |
| Word Operation Time | Approx. 0.24 µs |
| Fixed-Point Arithmetic Operation Time | Approx. 0.32 µs |
| Floating-Point Arithmetic Operation Time | Approx. 1.1 µs |
| Maximum Number of Data Blocks (DBs) | 4096 |
| Maximum Number of Function Blocks (FBs) and Functions (FCs) | 4096 each (max. 32 KByte per block) |
| Types and Quantities of Organization Blocks (OBs) | Includes OB1, OB10, OB20/21, OB30 to OB38, OB40, OB80/82/85/86/87, OB121/122, etc. |
| S7 Counters | Unlimited (limited only by RAM capacity), with retentivity |
| S7 Timers | Unlimited (limited only by RAM capacity), with retentivity |
| Communication Protocols | PROFIBUS DP (high-speed data exchange); MPI (programming device and MPI-compatible devices) |

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