Siemens 6ES7313-5BF03-0AB0 S7-300 CPU

The Siemens 6ES7313-5BF03-0AB0 CPU 313C is a compact processor module for the SIMATIC S7-300 platform, equipped with onboard digital and analog I/O as well as integrated technological functions for space-efficient industrial machine control.

Key Technical Specifications

• Manufacturer: Siemens
• Part Number: 6ES7313-5BF03-0AB0
• Product Series: SIMATIC S7-300 (CPU 313C)
• CPU Model: CPU 313C
• Work Memory: 64 KB integrated work memory (operation requires a SIMATIC Micro Memory Card / MMC for load memory and retentive data storage, supporting up to 8 MB MMC)
• Integrated Digital Inputs: 24 digital inputs (24V DC); up to 16 inputs may be used for integrated technology functions, depending on the configured function and channel allocation
• Integrated Digital Outputs: 16 digital outputs (24V DC transistor, 0.5A rated output current); up to 4 outputs may be used for integrated technology functions, depending on the configured function and channel allocation
• Integrated Analog I/O: 5 analog inputs (4 channels configurable for standard voltage/current, 1 dedicated channel for Pt100 resistance thermometer) and 2 analog outputs (voltage/current)
• Integrated Technology Functions: 3 high-speed counter channels (up to 30 kHz) supporting counting, frequency measurement, and period duration modes
• Communication Interface: 1x MPI (RS-485) interface for programming (PG) and operator panel (OP/HMI) communication
• Rack Expansion: Supports 1 central rack and up to 3 expansion racks (up to 8 modules per rack; multi-tier configurations require IM 360/IM 361 interface modules)
• Engineering Software Requirements: STEP 7 V5.2 SP1 or higher (with hardware support package HSP 0127)

Applications and System Configuration

This compact controller is suitable for machine automation and process applications requiring onboard digital and analog I/O and integrated counting functions. Additional I/O capacity may be provided through a compatible S7-300 rack configuration using the appropriate interface and signal modules. Verify terminal wiring, pin assignments, rack configuration, technology-function allocation, and memory requirements against the official Siemens documentation before installation.

Product Lifecycle and Sourcing Notice

The SIMATIC S7-300 product line is a mature, legacy automation platform from Siemens. This unit is supplied primarily for maintenance, replacement, and industrial spare parts sourcing. Confirm the exact hardware revision, required front connector type, and MMC card sizing for your application prior to order confirmation.

Request a Quote

Submit an inquiry with part number 6ES7313-5BF03-0AB0, required quantity, destination country, and any relevant machine or nameplate details. Availability, unit condition, pricing, lead time, warranty terms, and shipping options will be confirmed individually in the quotation.

Technical parameters are provided for model identification and preliminary engineering reference. Always verify the physical unit nameplate and official Siemens documentation before installation.