Siemens 6ES7318-3EL01-0AB0

Siemens 6ES7318-3EL01-0AB0 Central Processing Unit

The Siemens 6ES7318-3EL01-0AB0 is a powerful central processing unit (CPU) from the SIMATIC S7-300 series, designed to manage complex automation tasks with high reliability and speed. Known as the CPU 319-3 PN/DP, this unit is built for advanced industrial applications that demand fast processing, multi-protocol communication, and high memory capacity. It is well-suited for medium to large-scale automation systems across manufacturing, automotive, energy, and food processing industries. As part of the modular S7-300 family, this CPU integrates seamlessly with other Siemens I/O modules and communication processors, offering scalability, flexibility, and robust performance.

High-Performance Processing and Memory

This CPU boasts a generous 2 MB of work memory, allowing it to execute large and complex user programs quickly and efficiently. It supports various automation tasks, from motion control and data handling to network communication and process logic. With fast instruction processing times, the CPU 319-3 PN/DP delivers real-time responsiveness, making it a reliable brain for time-sensitive applications. It requires a micro memory card (sold separately) for program and data storage, enabling easy transfer, backup, and memory expansion.

Advanced Communication Capabilities

The 6ES7318-3EL01-0AB0 comes with two powerful onboard interfaces. The first is an MPI/DP interface capable of 12 Mbit/s communication, supporting standard MPI connections and PROFIBUS DP. The second interface can act as a PROFIBUS master or slave, allowing flexible integration into multi-controller systems or distributed I/O networks. These built-in ports make connecting to HMI devices, I/O stations, drives, and other automation components easy without requiring additional hardware. This dual-interface setup is ideal for applications requiring layered network structures and multiple communication paths.

PROFINET Integration for Modern Automation

In addition to the PROFIBUS interfaces, the CPU 319-3 PN/DP includes PROFINET capabilities, enabling high-speed Ethernet-based communication. This allows direct connection to modern field devices and controllers using the PROFINET protocol, significantly increasing the automation system's scalability and data throughput. With this built-in feature, the CPU can simultaneously handle multiple Ethernet-based communication tasks, such as data exchange with SCADA systems, integration with MES/ERP layers, or real-time diagnostics and monitoring.

Reliable Design and Application Versatility

Built for continuous industrial operation, the 6ES7318-3EL01-0AB0 features rugged construction and long service life. It supports hot-swapping modules and secure communication protocols and is backed by Siemens' global standards of reliability and engineering excellence. From highly automated production lines to distributed control environments, this CPU is engineered to deliver consistent and high-performance operation even in demanding industrial settings.

Frequently Asked Questions (FAQ)

What kind of memory does the CPU require?

The CPU requires a Siemens micro memory card to store its user program and data, which is not included with the unit.

Is this CPU compatible with existing S7-300 modules?

It is fully compatible with all standard SIMATIC S7-300 I/O, power supply, and communication modules.

Can this CPU be used in PROFINET networks?

Yes, the CPU includes built-in PROFINET capability, allowing integration into Ethernet-based systems without additional hardware.

What is the function of the two onboard interfaces?

The first interface supports MPI and DP communications at up to 12 Mbit/s, while the second can function as a PROFIBUS master or slave.

How much work memory does this CPU have?

It comes with 2 MB of work memory, suitable for large and complex user programs.

Can I use this CPU for high-speed control applications?

Yes, it is one of the highest-performance CPUs in the S7-300 line, capable of fast processing for real-time control.

Is it suitable for distributed systems?

Absolutely. PROFIBUS and PROFINET interfaces are ideal for distributed automation and large networked systems.

Can I connect this CPU to SCADA systems?

It supports multiple communication protocols and is easily integrated with SCADA or MES systems via Ethernet or PROFIBUS.

Does it include the memory card?

No, the required Siemens micro memory card must be purchased separately.

What industries use this CPU model?

It's widely used in manufacturing, automotive, process automation, energy management, and any sector requiring reliable and robust PLC control.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6ES7318-3EL01-0AB0, take a look at more from our CPUs line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6ES7318-3EL01-0AB0 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.