Siemens 6AG1317-2EK14-2AY0 CPU

Applications

The Siemens 6AG1317-2EK14-2AY0 is a SIPLUS S7-300 CPU 317-2PN/DP designed for industrial automation systems requiring substantial PLC processing capacity, flexible network communication, and enhanced environmental protection. With 1 MB of work memory and integrated MPI/PROFIBUS DP and PROFINET interfaces, it supports complex control tasks and distributed automation architectures.

This version is designed for railway applications and conforms to EN 50155. It is suitable for compatible rolling-stock control systems as well as industrial installations where its environmental specifications are relevant.

Typical applications include:

• Railway automation: Supports PLC control tasks in rolling-stock equipment designed around EN 50155 requirements.

• Manufacturing systems: Coordinates production sequences, machine operations, and automated equipment.

• Distributed control networks: Connects remote I/O stations and field devices through PROFIBUS DP and PROFINET.

• Material handling: Supports conveyor control, automated transfer systems, and coordinated equipment operations.

• Industrial process control: Executes logic operations, data processing, and communication tasks in compatible S7-300 systems.

• Equipment modernization: Provides a higher-memory CPU option for existing SIMATIC S7-300 installations.

Advantages

1. Enhanced Processing Resources

The CPU 317-2PN/DP provides 1 MB of work memory, offering greater program and data processing capacity for demanding automation applications compared with lower-memory S7-300 CPU variants.

2. Railway Application Compatibility

Its EN 50155 conformity makes this SIPLUS model suitable for railway rolling-stock applications where the relevant equipment and environmental requirements must be considered.

3. Integrated PROFINET Communication

The Ethernet PROFINET interface includes a two-port switch, allowing compatible devices to be connected within an industrial Ethernet network.

4. PROFIBUS DP Support

The combined MPI/DP interface supports PROFIBUS DP communication at up to 12 Mbps, providing connectivity for compatible distributed I/O systems and field devices.

5. SIPLUS Environmental Protection

The module features conformal coating and a specified operating temperature range of -25 to +60°C. These characteristics provide additional protection for installations exposed to demanding environmental conditions.

6. Flexible Engineering and Integration

The CPU is programmed using Siemens STEP 7 engineering software. Its communication capabilities and compatibility with the S7-300 platform support integration into established automation architectures.

Technical FAQs

Q1: What is the main function of the Siemens 6AG1317-2EK14-2AY0?

It is a central processing unit for SIMATIC S7-300 automation systems. It executes PLC programs, processes automation data, and manages communication with connected devices.

Q2: Is the 6AG1317-2EK14-2AY0 a fail-safe CPU?

No. It is a standard CPU 317-2PN/DP, not a fail-safe CPU. Applications requiring integrated fail-safe processing should use an appropriate F-designated CPU, such as the CPU 317F series.

Q3: How much work memory does this CPU provide?

The module has 1 MB of integrated work memory for program execution and data processing.

Q4: Which communication protocols does the CPU support?

It provides MPI/PROFIBUS DP communication through its first interface and Ethernet PROFINET communication through its second interface.

Q5: Does the PROFINET interface include an integrated switch?

Yes. The Ethernet PROFINET interface features an integrated two-port switch for connecting compatible network devices.

Q6: Is a Micro Memory Card required?

Yes. A compatible Siemens Micro Memory Card is required for operation and is used to store the user program and relevant configuration data.

Q7: Which programming software is used with the 6AG1317-2EK14-2AY0?

The specified programming environment is Siemens STEP 7 V5.5 or higher. The engineering setup should be checked against the installed hardware and project requirements.

Q8: What is the significance of EN 50155 conformity?

EN 50155 addresses electronic equipment used on railway rolling stock. This designation makes the CPU relevant to railway applications where the standard's applicable environmental and equipment requirements must be met.

Q9: Can this CPU communicate with distributed I/O modules?

Yes. It supports distributed automation through PROFIBUS DP and PROFINET. Compatible remote I/O devices must be correctly configured in the hardware project and network.

Q10: What should be checked before replacing an existing S7-300 CPU with this model?

Check the original CPU's order number, hardware configuration, memory requirements, firmware compatibility, communication settings, Micro Memory Card, and engineering software version. Also verify that the replacement meets the environmental and railway requirements of the application.