Siemens 6ES7313-5BE01-0AB0 - Feature-Rich Compact CPU with Integrated Analog I/O

Upgrade your automation project with the powerful Siemens 6ES7313-5BE01-0AB0 CPU 313C. This comprehensive compact controller packs an extensive range of functions into a single unit. It combines a fast CPU with substantial integrated I/O: 24 digital inputs, 16 digital outputs, 4 analog inputs, 2 analog outputs, 1 Pt100 input, and three 30 kHz high-speed counters. With expandability for up to 3 additional modules, it's the perfect core for medium-complexity machines and process stations.

Complete Technical Specifications

Brand & Series: Siemens SIMATIC S7-300

Full Model Number: 6ES7313-5BE01-0AB0 (CPU 313C, Firmware V2.0)

Product Type: Expandable Compact CPU with Integrated Analog & Digital I/O

Integrated Digital I/O: 24 x 24V DC Inputs, 16 x 24V DC Outputs (0.5A)

Integrated Analog I/O: 4 x AI (Voltage/Current), 2 x AO (Voltage/Current), 1 x Pt100 RTD Input

High-Speed Channels: 3 channels for counting/frequency (30 kHz) or pulse output (2.5 kHz)

Work Memory: 32 KB

Load Memory: Requires Micro Memory Card (MMC), up to 8 MB

Communication Interface: 1 x MPI (RS485) interface (187.5 kbit/s)

Expansion Capability: Supports up to 3 additional S7-300 modules

Supply Voltage: 24V DC (20.4V - 28.8V)

Typical Power Loss: 14 W

Bit Operation Time: Typically 0.1 µs

Real-Time Clock: Integrated hardware clock with 6-week backup

Operating Temperature: 0°C to 60°C

Dimensions (W x H x D): 120 mm x 125 mm x 130 mm

Weight: Approximately 660 g

Installation & Compatibility Guide

Mount the CPU 313C on a DIN rail as the first module in an S7-300 rack. Connect 24V DC power. Wire your sensors and actuators to the integrated I/O via the two 40-pin front connectors. You must insert a Micro Memory Card (MMC). You can then add up to 3 additional modules (e.g., more I/O or a communication processor) to its right. Configure and program using STEP 7 (V5.2 SP1 or higher) via the MPI port.

Package Contents & Warranty

What's Included: 1 x Siemens CPU 313C Module (6ES7313-5BE01-0AB0) with front connectors (2 x 40-pin).

Important Note: A Micro Memory Card (MMC) is required for operation and is sold separately.

Our Guarantee: This product is covered by a full 12-month warranty.

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Frequently Asked Questions (FAQ)

How does this CPU differ from the CPU 312C?

The CPU 313C has significantly more integrated I/O (including analog), three times faster counters (30 kHz vs 10 kHz), supports module expansion (up to 3), has a real-time clock, and offers faster processing speeds.

Can I connect a Pt100 sensor directly?

Yes. One of the analog inputs is specifically designed to connect a 2-wire, 3-wire, or 4-wire Pt100 resistance thermometer directly, with built-in linearization to provide temperature values in °C, °F, or Kelvin.

What is the advantage of the integrated PID function?

It allows you to program closed-loop control (e.g., for a heating process using the Pt100 input and a analog output to a valve) directly in the CPU using standard system function blocks, without needing a separate controller or advanced programming.

What types of modules can I add for expansion?

You can add standard S7-300 signal modules (SM) for additional digital or analog I/O, communication modules (CP) for PROFIBUS or Ethernet, or function modules (FM) for counting/positioning. The total number of modules (including the CPU) cannot exceed 4.

Does it have a battery for memory backup?

No. Like other S7-300 CPUs, it uses the non-volatile Micro Memory Card (MMC) for permanent storage of the program and retentive data. The integrated real-time clock is backed up by a supercapacitor for approximately 6 weeks.

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