Siemens SIMATIC S7-300 CPU 317-2 DP Central Processing Unit, 1024 KB Work Memory, 2x MPI/PROFIBUS DP, 24V DC, Rail Mount 6ES73177TK100AB0

In complex automation environments, the central processing unit must deliver high-speed logic execution, robust communication, and ample memory to handle demanding control tasks. The Siemens SIMATIC S7-300 CPU 317-2 DP (6ES7317-7TK10-0AB0) addresses these challenges with a powerful 1024 KB work memory and dual integrated MPI/PROFIBUS DP interfaces, ensuring fast data exchange and efficient program execution.

Who is it for

This CPU is ideal for machine builders, system integrators, and plant engineers who require a reliable and high-performance controller for medium to large-scale automation projects. It suits applications in manufacturing, process control, and infrastructure where precise timing, extensive I/O handling, and network connectivity are essential.

Main features

• High-capacity 1024 KB work memory for complex user programs and data blocks.
• Two integrated MPI/PROFIBUS DP interfaces with speeds up to 12 Mbit/s for flexible networking.
• Ultra-fast bit processing time of 0.05 µs, enabling rapid response in time-critical tasks.
• Supports up to 1024 digital and 256 analog I/O points for extensive machine integration.
• Compatible with standard S7-300 rail mounting for easy installation in control cabinets.
• Operates on 24 V DC with low current consumption from the backplane bus (1.2 A).
• Programming in LAD, FBD, STL, SCL, and GRAPH languages for versatile engineering.

Specifications

• Product Type: Central Processing Unit (CPU)
• PLC Series: SIMATIC S7-300
• Model Designation: CPU 317-2 DP
• Work Memory: 1024 KByte
• Integrated Interfaces: 2 x MPI/PROFIBUS DP
• Interface Speed (PROFIBUS DP): 12 Mbit/s
• Bit Processing Time: 0.05 µs
• Number of Digital I/O (Max): 1024
• Number of Analog I/O (Max): 256
• Power Supply: 24 V DC
• Current Consumption (from backplane bus): 1.2 A
• Programming Languages: LAD, FBD, STL, SCL, GRAPH
• Communication Protocols: MPI, PROFIBUS DP, S7 Communication
• Operating Temperature Range: 0 to 60 °C
• Mounting Type: S7-300 Rail

Tips

When integrating this CPU, ensure the power supply provides stable 24 V DC and that the S7-300 rail is properly grounded to avoid electrical noise. Use the PROFIBUS DP interface for high-speed distributed I/O and the MPI port for programming and HMI connectivity. For optimal performance, distribute I/O modules across multiple racks if the maximum I/O count is approached.