Siemens SIMATIC S7-300 CPU 315F-2 PN/DP, 512 KB Work Memory, Fail-Safe Central Processing Unit 6ES73152FJ140AB0

In safety-critical automation, a single processing error can halt production or compromise personnel. The Siemens CPU 315F-2 PN/DP is a fail-safe central processing unit for the SIMATIC S7-300 series, engineered to handle both standard and safety-related control tasks in one compact module. With 512 KB of work memory and integrated PROFINET and PROFIBUS interfaces, it provides the processing power and connectivity needed for demanding industrial applications.

Who is it for

This CPU is intended for automation engineers and system integrators who design safety-oriented control systems in manufacturing, process industries, and machinery. It suits applications that require functional safety up to SIL 3 / PL e, combined with standard automation on a single controller.

Main features

• Fail-safe CPU for SIMATIC S7-300, supporting safety functions and standard control.
• 512 KB work memory for program and data.
• Integrated PROFINET IO controller/device with 2-port switch (2 x RJ45).
• Integrated MPI/PROFIBUS DP master/slave interface, up to 12 Mbit/s.
• Fast processing: 0.05 µs bit operation, 0.09 µs word operation, 0.3 µs floating-point.
• Supports up to 256 fail-safe I/Os and 128 fail-safe peripherals.
• Integrated web server for diagnostics and remote access.
• Requires SIMATIC Micro Memory Card (MMC) for operation.

Specifications

• Product type: F-CPU (Fail-safe Central Processing Unit)
• Series: SIMATIC S7-300
• Work memory: 512 KB
• 1st interface: MPI / PROFIBUS DP (Master/Slave)
• 2nd interface: PROFINET IO (Controller/Device, 2-port switch)
• PROFINET ports: 2 x RJ45 (integrated switch)
• PROFIBUS DP speed: up to 12 Mbit/s
• Bit processing time: 0.05 µs
• Word processing time: 0.09 µs
• Floating-point processing time: 0.3 µs
• Max. F-I/Os: 256
• Max. F-peripherals: 128
• Integrated functions: Diagnostics, Web server
• Power supply: 24 V DC (via backplane bus)
• Current consumption (from L+): 1.2 A
• Operating temperature: 0 °C to 60 °C
• Required accessory: SIMATIC Micro Memory Card (MMC)
• Programming languages: LAD, FBD, STL, SCL, GRAPH

Tips

Ensure the SIMATIC Micro Memory Card is inserted before operation; the CPU cannot run without it. For safety applications, use the appropriate F-programming tools and follow Siemens safety guidelines. The integrated web server allows convenient diagnostics without additional software.