SC SOURCING BRIEFSIEMENS · SIMATIC S7-300 / Compact CPU

6ES7313-6CF03-0AB0

CPU 313C-2 DP Compact Controller

A legacy SIMATIC S7-300 compact CPU with integrated digital I/O, PROFIBUS DP master/slave communication and onboard technology functions.

BRANDSiemens
STOCK CONFIRMATIONLead time: 2–3 days
CONDITIONBrand new and original
WARRANTY12 months

Product overview

The Siemens 6ES7313-6CF03-0AB0 is a SIMATIC S7-300 CPU 313C-2 DP compact controller with 64 KB integrated work memory, 16 digital inputs and 16 digital outputs. Its integrated PROFIBUS DP interface can support master or slave applications in established S7-300 systems.

Three high-speed counter channels, frequency measurement, pulse-width modulation and an integrated PID control function support compact machine tasks. This is a legacy platform, so confirm firmware V2.6, STEP 7 hardware configuration, Micro Memory Card and I/O wiring before replacement.

SUITABLE APPLICATIONS

Where the CPU 313C-2 DP is used

  • Legacy S7-300 machine control
  • PROFIBUS DP automation networks
  • Compact counting and frequency measurement
  • Installed-system maintenance and exact replacement

VERIFIED MODEL DATA

Technical specifications

Manufacturer
Siemens
Article number / MPN
6ES7313-6CF03-0AB0
Product designation
SIMATIC S7-300 CPU 313C-2 DP compact CPU
Hardware / firmware
Hardware version 01 / firmware V2.6
Work memory
64 KB integrated; not expandable
Load memory
Micro Memory Card, up to 8 MB
Integrated digital I/O
16 digital inputs / 16 digital outputs
Communication
MPI plus integrated PROFIBUS DP master/slave interface
Technology functions
3 counters up to 30 kHz; frequency measurement; 3 PWM channels up to 2.5 kHz; integrated PID
Engineering
STEP 7 V5.4 SP3 or STEP 7 V5.3 SP2 with HSP 0123
Supply voltage
24 V DC nominal; permissible range 20.4–28.8 V DC
Power loss
Typically 10 W
Dimensions (W × H × D)
120 × 125 × 130 mm
Weight
Approx. 566 g
Lifecycle
Legacy S7-300 platform; exact hardware, firmware and project compatibility must be confirmed

Technical values are compiled from official Siemens product documentation for this exact article number. Always check the delivered unit nameplate and revision before installation.

BUYER QUESTIONS

Frequently asked questions

How much work memory does this CPU have?

Siemens documentation specifies 64 KB of integrated work memory; it is not expandable.

Which fieldbus interface is integrated?

The CPU 313C-2 DP includes a PROFIBUS DP interface for master or slave operation, in addition to the MPI interface.

What onboard I/O is included?

This article number provides 16 digital inputs and 16 digital outputs.

Can it be replaced without changing the STEP 7 project?

Do not assume a drop-in replacement. Confirm the exact MLFB, firmware, Micro Memory Card, hardware configuration, addresses and integrated I/O wiring first.

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