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Siemens SIMATIC S7-300 CPU 313 Central Processing Unit

Siemens SIMATIC S7-300 CPU 313 Processor Module

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ManufacturerSiemens

Part number6ES7313-1AD03-0AB0

Work Memory 12 KB

Power Supply 24 V DC

Interface MPI

Load Memory Expandable via FEPROM up to 4 MB

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Integrated 24 V DC Power Supply 12 KB Work Memory MPI Interface Battery-backed Retentivity Expandable Load Memory

Product description

The Siemens 6ES7313-1AD03-0AB0 is a CPU 313 module within the SIMATIC S7-300 programmable controller series. This version features an integrated 24 V DC power supply and provides 12 KB of work memory, making it suitable for compact to mid-range automation applications. It supports MPI communication for seamless integration with HMIs and programming devices.

This CPU is ideal for compact machine and process automation, general-purpose control tasks within the SIMATIC S7-300 architecture, and for retrofits or system expansions requiring S7-300 compatibility.

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Technical specifications

Work Memory	12 KB
Power Supply	24 V DC
Interface	MPI
Load Memory	Expandable via FEPROM up to 4 MB
Processing Speed	0.6 µs/bit op
Flag Memory	256 bytes

Common applications

Compact Machine Automation

Process Control

General Purpose Control

S7-300 System Expansion

Compatible systems

SIMATIC S7-300 Rack STEP 7 V5.0 or higher

Also known as

SIMATIC S7-300 CPU 313 Siemens S7-300 313 6ES73131AD030AB0

Replaces / compatible with

Replaces or is compatible with earlier Siemens S7-300 CPU 313 modules. Consult Siemens documentation for specific compatibility.

Technical note

Expert tip

This CPU requires a specific Siemens front connector (sold separately) for I/O wiring and a FEPROM memory card for load memory expansion.

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Frequently asked questions

What is the work memory capacity of the Siemens 6ES7313-1AD03-0AB0?

The Siemens 6ES7313-1AD03-0AB0 features 12 KB of integrated work memory. It also supports expandable load memory via FEPROM up to 4 MB.