Siemens SIMATIC DP CPU 1512SP-1 PN for ET 200SP, 400 KB Program / 2 MB Data Memory, PROFINET IRT, Fail-Safe

In modern distributed automation, achieving high-speed control with integrated safety often forces engineers to compromise between performance and footprint. The Siemens SIMATIC DP CPU 1512SP-1 PN resolves this by delivering a fail-safe central processing unit in the compact ET 200SP form factor, combining 400 KB of program memory, 2 MB of data memory, and PROFINET IRT communication in a single module. This CPU is engineered for demanding applications where space is limited but reliability and safety are non-negotiable.

Who is it for

This CPU is ideal for machine builders, system integrators, and plant engineers who need a powerful yet compact controller for distributed automation systems. It suits applications in packaging, material handling, and process automation that require functional safety up to SIL 3 / PLe, fast bit performance of 48 ns, and seamless integration with ET 200SP I/O modules.

Main features

• Fail-safe CPU with integrated safety functions (SIL 3 / PLe) for reliable protection of personnel and equipment.
• 400 KB work memory for program and 2 MB for data, supporting complex control logic and extensive data handling.
• PROFINET IRT with 3-port switch enables deterministic real-time communication and line/star topologies without extra switches.
• High-speed processing: bit operations in 48 ns, ensuring rapid response for time-critical tasks.
• Supports up to 64 ET 200SP modules, offering flexible expansion for diverse I/O requirements.
• Integrated web server and extensive diagnostics for easy commissioning and maintenance.

Specifications

• Product type: Fail-safe Central Processing Unit (CPU)
• Series: SIMATIC S7-1500
• Application: For ET 200SP Distributed I/O System
• Program memory: 400 KB
• Data memory: 2 MB
• Interface: PROFINET IRT with 3-port switch
• Bit performance: 48 ns
• Safety Integrated: Yes (SIL 3 / PLe)
• Power supply: 24 V DC
• Max. ET 200SP modules: 64
• Communication protocols: PROFINET IO, TCP/IP, UDP, S7 communication, Open User Communication
• Integrated functions: Web server, extensive diagnostics
• Required accessories: SIMATIC Memory Card (required), BusAdapter for Port 1 and 2 (required)
• Operating temperature: 0 to 60 °C (horizontal), 0 to 50 °C (vertical)
• Protection class: IP20
• Mounting type: DIN Rail
• Firmware update: Via SIMATIC Memory Card
• Time synchronization: NTP, S7-time, PLC-time

Tips

For optimal performance, ensure the SIMATIC Memory Card and BusAdapter are installed before commissioning. Use the integrated web server for remote diagnostics and status monitoring. When mounting vertically, consider the reduced operating temperature range.