Simatic CPU With Mpi Interface 6ES7314-1AG13-0AB0 6ES7 314-1AG13-0AB0 6ES7314-1AG13-OABO

Siemens 6ES7314-1AG13-0AB0 SIMATIC S7-300 CPU 314

Overview

The 6ES7314-1AG13-0AB0 is a SIMATIC S7-300 CPU 314 central processing unit with MPI communication, integrated 24 V DC power supply, 96 KB work memory, and a required Micro Memory Card.

Siemens product and support material consistently identify this model as CPU 314 in the S7-300 family, and Siemens documentation also associates this exact order number with the CPU 314 hardware generation used in modular S7-300 racks.

This CPU belongs to the central rack-processor class of the S7-300 range. It is intended for installations where the controller logic, memory class, and rack communication structure are already centered on a standard CPU 314 rather than on a compact CPU with onboard I/O or on a higher-performance PN/DP class processor.

The published hardware profile makes it a clear fit for conventional modular S7-300 control architectures.

Technical Data

Application Value

This CPU fits modular S7-300 control racks, utility automation panels, process support cabinets, and machine-level PLC systems that were originally designed around a central CPU 314.

Its role is to provide the main processing platform for a rack-based control system without introducing the additional onboard signal structure found in compact S7-300 CPUs. In an installed system, that distinction matters because the rack layout, module distribution, and memory profile were already built around the CPU 314 class.

Selection Notes

The key checks are the CPU 314 designation, the 96 KB work memory, the MPI interface, the 24 V DC integrated supply, and the requirement for a Micro Memory Card. These points are the main compatibility markers for this model in an existing S7-300 rack.

FAQ

Q1: What kind of CPU is 6ES7314-1AG13-0AB0?
It is a SIMATIC S7-300 CPU 314. Siemens identifies it as a central processing unit with MPI, integrated 24 V DC supply, and 96 KB work memory, which places it in the standard central-CPU range of the S7-300 family.

Q2: Is this a compact CPU with built-in I/O?
No published Siemens material for this order number presents it as a compact CPU with integrated digital or analog signal channels.

It is identified as CPU 314, a central rack processor with MPI and 24 V DC supply, used in modular S7-300 hardware structures.

Q3: Why is the 96 KB memory size important?
The 96 KB work memory defines the controller’s memory class within the CPU 314 generation. That matters in installed systems because the original program size, CPU class, and project expectations are linked to that memory profile.

A correct spare should keep that same CPU class and memory level.

Q4: Why does the MPI interface matter on this CPU?
The published CPU profile identifies MPI as the communication interface on this model.

In replacement work, the interface structure must match the original controller because engineering access and rack-side communication were built around that connection method.

Q5: What should be checked before ordering?
Confirm the installed part number, verify that the controller is CPU 314, make sure the rack depends on the same MPI-based CPU class, and check that the system uses the same 24 V DC supply and Micro Memory Card arrangement.

Those are the essential match points for this unit.