

The SIEMENS SIMATIC S7-300 CPU 315-2 DP (6ES7315-2AF83-0AB0) is a versatile and powerful CPU designed for complex automation tasks requiring high processing speed and robust communication. With its integrated PROFIBUS DP interface, this CPU excels in distributed control architectures, making it a preferred choice for applications in the chemical, electronics, and electrical industries. Its extended temperature range capability ensures reliable operation in demanding environments, while the 64 KB working memory provides ample space for sophisticated program logic and data management. This CPU is engineered for seamless integration into existing S7-300 systems, offering a balanced mix of performance, connectivity, and durability.
| Specification Category | Detail |
|---|---|
| Product Type | CPU 315-2 DP |
| Order Number (MLFB) | 6ES7315-2AF83-0AB0 |
| Product Series | SIMATIC S7-300 |
| Working Memory | 64 KB (for program and data) |
| Load Memory | MMC (MultiMediaCard) required (not included; max capacity depends on card size) |
| Retentive Memory | Available; configurable via STEP 7 (typically up to 64 KB) |
| Integrated Interfaces | MPI (MultiPoint Interface) + PROFIBUS DP (master/slave) |
| Power Supply | 24 V DC (19.2 V to 28.8 V), integrated |
| Operating Temperature | Extended range: -25 °C to +60 °C (standard); consult datasheet for exact limits |
| Programming Software | STEP 7 V5.5 + SP1 or higher; or STEP 7 V5.2 + SP1 with HSP 218 |
| Bit Operation Time | Typically 0.1 µs (approximate; depends on instruction) |
| Word Operation Time | Typically 0.2 µs (approximate) |
| Floating-Point Arithmetic Time | Typically 0.6 µs (approximate) |
| Max. Number of Data Blocks (DBs) | Up to 1024 (limited by memory) |
| Max. Number of Function Blocks (FBs) | Up to 1024 (limited by memory) |
| Max. Number of Functions (FCs) | Up to 1024 (limited by memory) |
| Organization Blocks (OBs) | OB1, OB10–OB17 (time-of-day interrupts), OB30–OB38 (cyclic interrupts), OB80–OB87 (fault handling), OB100 (startup), etc. |
| S7 Counters | Unlimited (RAM-based, retentive) |
| S7 Timers | Unlimited (RAM-based, retentive) |
| Communication Protocols | PROFIBUS DP (up to 12 Mbit/s), MPI (up to 187.5 kbit/s) |
| Protection Class | IP20 (when installed in enclosure) |
| Dimensions (W x H x D) | Approx. 40 mm x 125 mm x 130 mm (without connectors) |
| Weight | Approx. 290 g |
| Application Areas | Chemical, electronics, electrical, automotive, food & beverage, and other industrial automation fields requiring high-performance processing and extended temperature operation. |

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