

The SIEMENS SIMATIC S7-1500 CPU 1517-3 PN/DP, order number 6ES7517-3AP00-0AB0, is a flagship central processing unit engineered for advanced industrial control systems. This CPU delivers exceptional processing power and connectivity, making it ideal for complex manufacturing lines, process control, and infrastructure applications. With its triple-interface architecture combining PROFINET IRT, PROFINET RT, and PROFIBUS, it ensures seamless integration into both modern and legacy networks. The CPU 1517-3 PN/DP is designed to handle the most demanding automation tasks with precision, speed, and reliability.
| Specification Category | Detailed Parameter |
|---|---|
| Product Type | Central Processing Unit (CPU) for SIMATIC S7-1500 |
| Model | CPU 1517-3 PN/DP |
| Order Number | 6ES7517-3AP00-0AB0 |
| Work Memory – Program | 2 MB |
| Work Memory – Data | 8 MB |
| Bit Performance (Processing Time) | 2 ns per bit operation |
| Interface 1 | PROFINET IRT with 2-port switch (supports RT/IRT) |
| Interface 2 | PROFINET RT |
| Interface 3 | PROFIBUS DP (RS485) |
| Required Memory Card | SIMATIC Memory Card (not included) |
| Programming Software | TIA Portal V13 or higher |
| Supported Programming Languages | Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL) |
| Number of Data Blocks (DBs) | Limited by memory capacity; up to 16,384 blocks |
| Number of Function Blocks (FBs) | Limited by memory capacity; up to 16,384 blocks |
| Number of Function Codes (FCs) | Limited by memory capacity; up to 16,384 blocks |
| Number of Organization Blocks (OBs) | Up to 1,024 (depending on TIA Portal version) |
| Counters and Timers | S7 Counters and Timers (retentive, limited by memory) |
| Onboard Diagnostics | Integrated diagnostic buffer, status LEDs, and system diagnostics |
| Modular Expansion | Supports up to 32 I/O modules in a single rack (via ET 200MP or similar) |
| Integrated Safety Functions | Optional via F-CPU and safety modules (e.g., STO, SS1) |
| Power Supply | Typically 24 V DC (requires external power supply module, e.g., PS 60W) |
| Operating Temperature | 0°C to 60°C (horizontal installation) |
| Dimensions (W x H x D) | Approx. 70 mm x 125 mm x 130 mm (without connectors) |
| Weight | Approx. 0.5 kg |
| Standards and Certifications | CE, cULus, ATEX (depending on configuration), marine approvals |
This CPU is designed for high-speed multitasking and parallel processing, ensuring efficient execution of complex control logic. Its enhanced diagnostic capabilities simplify troubleshooting, while the modular design allows for easy customization. For the most accurate and up-to-date information, always refer to the official Siemens documentation.

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