The SIEMENS SIMATIC S7-300 CPU 313C-2, order number 6ES7313-6CG04-0AB0, is a compact yet powerful central processing unit designed for demanding mid-range industrial automation applications. This CPU combines a robust 128 KB working memory with integrated PROFINET and MPI interfaces, enabling seamless communication in both modern and legacy network architectures. It is engineered for high-speed execution of complex control logic, making it ideal for applications in chemical, automotive, and textile industries. With support for up to 8 MB MMC load memory and a wide operating temperature range from -25°C to +60°C, this CPU delivers reliable performance in harsh environments. The following table provides a comprehensive overview of its technical specifications.
| Specification |
Details |
| Product Type |
SIMATIC S7-300 CPU 313C-2 |
| Order Number |
6ES7313-6CG04-0AB0 |
| Supply Voltage |
24 V DC (19.2 V to 28.8 V) |
| Working Memory |
128 KB (for program and data) |
| Load Memory (MMC) |
Up to 8 MB (depending on MMC card) |
| Retentive Memory |
Dedicated area for critical data retention |
| Integrated Interfaces |
PROFINET (1x), MPI (1x) |
| Bit Operation Time |
0.1 µs |
| Word Operation Time |
0.24 µs |
| Fixed-Point Arithmetic Time |
0.32 µs |
| Floating-Point Arithmetic Time |
1.1 µs |
| Max. Data Blocks (DBs) |
Limited by memory (high capacity) |
| Max. Function Blocks (FBs) / Functions (FCs) |
1024 each (max. 32 KB per block) |
| Organization Blocks (OBs) |
OB1, OB10, OB20/21, OB32-35, OB40, OB100, OB80/82/85/87, OB121/122 |
| S7 Counters |
Unlimited (memory-dependent), retentive |
| S7 Timers |
Unlimited (memory-dependent), retentive |
| Programming Languages |
LAD, FBD, STL |
| Programming Software |
STEP 7 V5.5 SP1 or higher |
| Operating Temperature |
-25°C to +60°C |
| Relative Humidity |
Up to 95% (non-condensing) |
| Protection Rating |
IP20 |
| Dimensions (W x H x D) |
Approx. 40 mm x 125 mm x 130 mm |
| Weight |
Approx. 0.25 kg |
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