

The Siemens SIMATIC S7-1500 Compact CPU CPU 1511C-1 PN (6ES7511-1CK00-0AB0) is a robust, all-in-one controller designed for mid-range to complex automation applications. This compact CPU integrates a powerful processor with a rich set of onboard I/O, including digital and analog channels, high-speed counters, and PTO/PWM outputs. Its PROFINET IRT interface ensures deterministic, real-time communication, making it ideal for high-speed machinery, packaging lines, and process control. With 175 KB of program memory and 1 MB of data memory, it handles demanding control algorithms and large data sets effortlessly. The CPU is fully programmable via the TIA Portal, supporting multiple IEC languages for flexible development. Its compact footprint and integrated push-in terminals simplify installation and reduce wiring time, while enhanced diagnostics and web server capabilities streamline maintenance and troubleshooting.
| Specification | Details |
|---|---|
| Product Type | SIMATIC S7-1500 Compact CPU |
| Model | CPU 1511C-1 PN |
| Order Number | 6ES7511-1CK00-0AB0 |
| Work Memory | Program: 175 KB; Data: 1 MB |
| Integrated Digital Inputs | 16 DI, 24 V DC (high-speed, sink/source) |
| Integrated Digital Outputs | 16 DO, 24 V DC (0.5 A per channel) |
| Integrated Analog Inputs | 5 AI, 0-10 V / 4-20 mA (12-bit resolution) |
| Integrated Analog Outputs | 2 AO, 0-10 V / 4-20 mA (12-bit resolution) |
| High-Speed Counters | 6 (up to 1 MHz) |
| PTO/PWM/Frequency Outputs | 4 (up to 100 kHz) |
| 1st Interface | PROFINET IRT with 2-port switch (RJ45) |
| PROFINET Bit Performance | 60 ns |
| Communication Services | PG/OP communication, HMI, S7 routing, OPC UA (optional) |
| Supported Programming Software | TIA Portal V13 or higher |
| Programming Languages | Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL) |
| Power Supply | 24 V DC (external, not included) |
| Power Consumption (Typical) | 8.5 W (CPU only, no load on I/O) |
| Operating Temperature | 0 °C to +60 °C (horizontal installation) |
| Storage Temperature | -40 °C to +70 °C |
| Dimensions (W x H x D) | 70 mm x 100 mm x 75 mm (without connector) |
| Weight | Approx. 320 g |
| Protection Class | IP20 |
| Mounting Method | DIN rail (35 mm) or panel mount |
| Front Connector | Push-in type (supplied with CPU) |
| Diagnostics | Integrated, with status LEDs and web server |
| Certifications | CE, UL, cUL, FCC, RCM, etc. |

What Does Our Clients Say
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Laura Navas
Great product!
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EQDR SALES
Original and fast!
2020/02/22