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Siemens SIMATIC S7-300 CPU 314C-2 PN/DP industrial automation controller

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SIEMENS 6ES7314-6EH04-0AB0

by Siemens

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OverviewUpgrade your industrial automation applications with the Siemens 6ES7314-6EH04-0AB0, a robust SIMATIC S7-300 CPU 314C-2 PN/DP controller. This adaptable unit is engineered for outstanding performance and dependability in medium-scale automation projects. It seamlessly combines a high-speed processor, extensive digital and analog input/output, and cutting-edge networking, making it a cornerstone for effective control systems. Designed for demanding industrial settings, this CPU ensures exact control, rapid data processing, and dependable communication throughout your automation infrastructure.The 6ES7314-6EH04-0AB0 distinguishes itself with integrated PROFINET and PROFIBUS DP connections, providing superior communication for distributed I/O, Human Machine Interfaces (HMIs), and other crucial devices. This integration streamlines system design, reduces wiring intricacy, and offers the flexibility required to adapt to changing operational needs. With its compact size and complete feature set, this Siemens CPU is the ultimate choice for optimizing automation processes, enhancing output, and ensuring long-term operational stability.Key Features Integrated Compact Design: Combines central processing, digital I/O (24DI/16DO), and analog I/O (2AI/1AO) in a single, space-efficient device. Powerful Processing: High-performance CPU 314C-2 PN/DP for rapid execution of complex automation programs. Dual Network Interfaces: Includes both PROFINET (2 ports) and PROFIBUS DP (Master/Slave) for diverse and reliable connectivity. Ample Work Memory: Features 128 KB of work memory, expandable via an MMC card, to handle various application demands. Wide Operating Temperature: Dependable performance in industrial environments from 0 to 60°C. Comprehensive Protection: Incorporates built-in short-circuit and overload safeguards for enhanced system safety and longevity. Technical Specifications Model: Siemens 6ES7314-6EH04-0AB0 Series: SIMATIC S7-300 CPU Type: CPU 314C-2 PN/DP Supply Voltage: 24V DC Digital Inputs: 24 x 24V DC Digital Outputs: 16 x 24V DC, 0.5A per channel Analog Inputs: 2 x 0-10V (12-bit resolution) Analog Outputs: 1 x 0-10V (12-bit resolution) Communication: PROFINET (2 ports), PROFIBUS DP (Master/Slave) Work Memory: 128 KB (expandable via MMC card) Programming Software: Siemens STEP 7 / TIA Portal Mounting: DIN rail Applications Industrial and Factory Automation: Perfect for overseeing operational lines, conveyors, and intricate machinery. Process Control Systems: Suitable for precise regulation in chemical, pharmaceutical, food and beverage, and water treatment facilities. Building Management: Facilitates sophisticated control of HVAC, lighting, security, and access systems for smart buildings. Energy Management: Integration into SCADA systems for monitoring and optimizing energy consumption in various industrial settings. Material Handling: Automating warehousing, logistics, and material transport systems with high efficiency. Why Choose This Model? Maximized Efficiency: The integrated design and fast processing streamline automation tasks, decreasing downtime and boosting throughput. Unmatched Connectivity: PROFINET and PROFIBUS DP interfaces ensure smooth communication with numerous industrial devices, preparing your infrastructure for the future. Space and Cost Savings: Its small footprint and integrated I/O minimize the need for extra modules, saving critical cabinet space and installation expenses. Siemens Reliability: Benefit from the renowned quality and resilience of Siemens industrial hardware, built for continuous operation in harsh conditions. Simplified Development: Full compatibility with Siemens TIA Portal and STEP 7 software facilitates straightforward programming, setup, and diagnostics, accelerating project implementation. Versatile Application: A robust solution adaptable to a wide range of industries. FAQWhat types of industrial environments is this CPU designed for?This CPU is designed for demanding industrial environments and can reliably operate in temperatures ranging from 0 to 60°C.Can the work memory of the CPU be expanded?Yes, the 128 KB work memory can be expanded using an MMC card.What software is used to program the Siemens 6ES7314-6EH04-0AB0?The Siemens 6ES7314-6EH04-0AB0 is programmed using Siemens STEP 7 or TIA Portal software.Does this CPU offer protection features?Yes, it includes built-in short-circuit and overload protection to enhance system safety and longevity.What are the primary communication interfaces on this CPU?This CPU features both PROFINET (with two ports) and PROFIBUS DP (Master/Slave) interfaces for versatile communication.

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PRODUCT DETAILS

SIEMENS 6ES7314-6EH04-0AB0

Overview

This is a genuine Siemens component from the Siemens PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Siemens catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Siemens automation ecosystem
  • Engineered to integrate inside Siemens PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes for the Siemens PLCs family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: Siemens 6ES7314-6EH04-0AB0
  • Series: SIMATIC S7-300
  • CPU Type: CPU 314C-2 PN/DP
  • Supply Voltage: 24V DC
  • Digital Inputs: 24 x 24V DC
  • Digital Outputs: 16 x 24V DC, 0.5A per channel
  • Analog Inputs: 2 x 0-10V (12-bit resolution)
  • Analog Outputs: 1 x 0-10V (12-bit resolution)
  • Communication: PROFINET (2 ports), PROFIBUS DP (Master/Slave)
  • Work Memory: 128 KB (expandable via MMC card)
  • Programming Software: Siemens STEP 7 / TIA Portal
  • Mounting: DIN rail

Applications

  • Industrial and Factory Automation: Perfect for overseeing operational lines, conveyors, and intricate machinery.
  • Process Control Systems: Suitable for precise regulation in chemical, pharmaceutical, food and beverage, and water treatment facilities.
  • Building Management: Facilitates sophisticated control of HVAC, lighting, security, and access systems for smart buildings.
  • Energy Management: Integration into SCADA systems for monitoring and optimizing energy consumption in various industrial settings.
  • Material Handling: Automating warehousing, logistics, and material transport systems with high efficiency.

Why Choose the 6ES7314-6EH04-0AB0?

  • Maximized Efficiency: The integrated design and fast processing streamline automation tasks, decreasing downtime and boosting throughput.
  • Unmatched Connectivity: PROFINET and PROFIBUS DP interfaces ensure smooth communication with numerous industrial devices, preparing your infrastructure for the future.
  • Space and Cost Savings: Its small footprint and integrated I/O minimize the need for extra modules, saving critical cabinet space and installation expenses.
  • Siemens Reliability: Benefit from the renowned quality and resilience of Siemens industrial hardware, built for continuous operation in harsh conditions.
  • Simplified Development: Full compatibility with Siemens TIA Portal and STEP 7 software facilitates straightforward programming, setup, and diagnostics, accelerating project implementation.
  • Versatile Application: A robust solution adaptable to a wide range of industries.

Availability & Shipping

  • In stock: 6ES7314-6EH04-0AB0 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 6ES7314-6EH04-0AB0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

This CPU is designed for demanding industrial environments and can reliably operate in temperatures ranging from 0 to 60°C.

Machine down? We ship parts the same day.

New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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