

The SIEMENS SIMATIC S7-300 CPU317F-2 PN/DP, order number 6ES7317-2FJ10-0AB0, stands as a cornerstone for failsafe automation in demanding industrial environments. This CPU combines high-speed processing with dual-interface flexibility, featuring an integrated PROFINET port for real-time Ethernet communication and a PROFIBUS DP/MPI interface for legacy fieldbus networks. Engineered for complex control tasks requiring enhanced safety functions, it supports the S7 Distributed Safety software option, making it ideal for applications in chemical processing, power generation, and heavy machinery. With 512 KB of integrated work memory and expandable load memory via an MMC, this unit ensures robust program execution and data retention. The CPU317F-2 PN/DP is a reliable choice for engineers seeking a scalable, secure, and high-performance solution for modern industrial automation systems.
| Specification | Details |
|---|---|
| Product Type | Failsafe CPU for SIMATIC S7-300 |
| Model | CPU317F-2 PN/DP |
| Order Number (MLFB) | 6ES7317-2FJ10-0AB0 |
| Working Memory | 512 KB (for program and data) |
| Load Memory | Micro Memory Card (MMC) required (max. 8 MB supported) |
| Retentive Memory | Available for data blocks and timers/counters |
| Interface 1 | PROFINET (2-port switch) for real-time Ethernet communication |
| Interface 2 | PROFIBUS DP / MPI (12 Mbit/s) |
| Power Supply | 24 V DC (built-in, external protection recommended) |
| Programming Software | STEP 7 V5.4 or higher (with S7 Distributed Safety V5.4+) |
| Number of Digital Channels | Up to 8192 (with appropriate modules) |
| Number of Analog Channels | Up to 512 (with appropriate modules) |
| Bit Operation Time | 0.025 µs (typical) |
| Word Operation Time | 0.03 µs (typical) |
| Fixed-Point Arithmetic | 0.04 µs (typical) |
| Floating-Point Arithmetic | 0.16 µs (typical) |
| Max. Number of Data Blocks (DBs) | Unlimited (limited by RAM) |
| Max. Number of Function Blocks (FBs) | Unlimited (limited by RAM) |
| Max. Number of Functions (FCs) | Unlimited (limited by RAM) |
| Organization Blocks (OBs) | OB1, OB35, OB40, OB82, OB86, OB121, OB122, etc. |
| S7 Counters / Timers | Unlimited (limited by RAM) |
| Safety Functionality | Failsafe (supports up to SIL3 according to IEC 61508) |
| Operating Temperature | 0 °C to 60 °C |
| Dimensions (W x H x D) | 40 mm x 125 mm x 130 mm |
| Weight | Approx. 290 g |

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