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Siemens 6ES7972-0BB42-0XA0 CP 343-1 Lean Communication Processor for S7-300 PLCs

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Siemens 6ES7972-0BB42-0XA0

by Siemens

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OverviewThe Siemens 6ES7972-0BB42-0XA0 is a CP 343-1 Lean Communication Processor crafted to deliver seamless data transfer and robust system integration within industrial automation environments. Specifically engineered for Siemens S7-300 PLC setups, this communication module ensures rapid, dependable, and efficient interactions between diverse control systems, programmable logic controllers, and other essential automation devices. Its integration boosts connectivity and significantly improves data transfer efficacy, making it an indispensable component for contemporary industrial applications demanding continuous operation and data integrity. This powerful communication processor provides a vital link for optimizing your industrial network, allowing you to achieve superior control and monitoring capabilities. With its compact footprint and advanced features, the Siemens 6ES7972-0BB42-0XA0 embodies Siemens' dedication to providing cutting-edge solutions for intricate industrial challenges.Key Features S7-300 PLC System Harmony: Fully compatible with Siemens S7-300 PLCs, guaranteeing perfect synergy and peak operation. Rapid Data Handling: Achieves speeds up to 100 Mbps, ensuring efficient and quick data exchange across your network. Industrial Ethernet Connectivity: Supports crucial industrial network protocols like Ethernet, facilitating adaptable and strong communication. Compact Design: Engineered with a space-saving footprint for effortless integration into control panels, even where space is restricted. Robust Industrial Durability: Built for continuous performance in harsh industrial surroundings (-20°C to +60°C operating temperature). Extensive Protocol Support: Compatible with various communication protocols, offering remarkable versatility for different system architectures. Integrated LED Diagnostics: Built-in LED indicators provide clear, real-time status updates for easier monitoring and swift troubleshooting. Technical Specifications Model: Siemens 6ES7972-0BB42-0XA0 Type: Communication Processor (CP 343-1 Lean) Rated Voltage: 24V DC Mounting Type: DIN rail mountable Dimensions (HxWxD): 120 x 100 x 75 mm Weight: 0.5 kg Protection Class: IP20 Operating Temperature Range: -20°C to +60°C Interfaces: Ethernet, RS-232, RS-485 Data Rate: Up to 100 Mbps Applications Integrated Industrial Automation Solutions: Essential for connecting various automation components and control systems for coherent data exchange and central governance. Machine-to-Machine Communication: Facilitates dependable data flow between different machines and control units in advanced manufacturing and production lines. Remote Process Supervision: Ideal for systems requiring real-time supervisory control and data acquisition from geographically dispersed industrial operations. Centralized Data Accumulation: Enables the efficient gathering and transfer of vital operational data from sensors, actuators, and machinery to central control systems for analysis and informed decisions. Distributed Control Network Enhancement: Strengthens communication pathways between distributed control systems and overarching supervisory control systems, boosting network efficiency. Why Choose? Proven Reliability: Crafted by Siemens, ensuring long-term, trustworthy performance in the most demanding industrial settings, reducing downtime. Effortless S7-300 Sync: Designed for perfect compatibility, providing a straightforward setup and maximum efficiency when upgrading or expanding your current Siemens PLC infrastructure. Optimized Data Flow: Experience high-speed data transfer capabilities that streamline operations and improve system responsiveness, critical for modern industrial operations. Space-Saving Design: Its compact form multiple times allows for easy installation in tight control panels, delivering powerful functionality without occupying precious space. Order NowPower your industrial operations with the Siemens 6ES7972-0BB42-0XA0 Communication Processor. Contact us today for pricing and availability, or to discuss your specific needs.FAQWhat is the primary function of the Siemens 6ES7972-0BB42-0XA0?The Siemens 6ES7972-0BB42-0XA0 is a CP 343-1 Lean Communication Processor designed to facilitate high-speed data exchange and robust system integration within industrial automation environments, especially for Siemens S7-300 PLC systems.Is this communication processor compatible with all Siemens PLC models?This communication processor is specifically designed for full compatibility with Siemens S7-300 PLC systems, ensuring optimal integration and performance.What kind of data transfer speeds can I expect from this device?The Siemens 6ES7972-0BB42-0XA0 supports high-speed data transfer rates of up to 100 Mbps, ensuring efficient and rapid data exchange across your network.Can this module operate in challenging industrial conditions?Yes, it is built for continuous operation in harsh industrial environments, with an operating temperature range of -20°C to +60°C.What interfaces does this communication processor support?It supports various interfaces including Ethernet, RS-232, and RS-485, offering strong compatibility with diverse system architectures.

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PRODUCT DETAILS

Siemens 6ES7972-0BB42-0XA0

Overview

This is a genuine Siemens component. 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

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

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

Technical Specifications

  • Model: Siemens 6ES7972-0BB42-0XA0
  • Type: Communication Processor (CP 343-1 Lean)
  • Rated Voltage: 24V DC
  • Mounting Type: DIN rail mountable
  • Dimensions (HxWxD): 120 x 100 x 75 mm
  • Weight: 0.5 kg
  • Protection Class: IP20
  • Operating Temperature Range: -20°C to +60°C
  • Interfaces: Ethernet, RS-232, RS-485
  • Data Rate: Up to 100 Mbps

Applications

  • Integrated Industrial Automation Solutions: Essential for connecting various automation components and control systems for coherent data exchange and central governance.
  • Machine-to-Machine Communication: Facilitates dependable data flow between different machines and control units in advanced manufacturing and production lines.
  • Remote Process Supervision: Ideal for systems requiring real-time supervisory control and data acquisition from geographically dispersed industrial operations.
  • Centralized Data Accumulation: Enables the efficient gathering and transfer of vital operational data from sensors, actuators, and machinery to central control systems for analysis and informed decisions.
  • Distributed Control Network Enhancement: Strengthens communication pathways between distributed control systems and overarching supervisory control systems, boosting network efficiency.

Why Choose the 6ES7972-0BB42-0XA0?

  • Proven Reliability: Crafted by Siemens, ensuring long-term, trustworthy performance in the most demanding industrial settings, reducing downtime.
  • Effortless S7-300 Sync: Designed for perfect compatibility, providing a straightforward setup and maximum efficiency when upgrading or expanding your current Siemens PLC infrastructure.
  • Optimized Data Flow: Experience high-speed data transfer capabilities that streamline operations and improve system responsiveness, critical for modern industrial operations.
  • Space-Saving Design: Its compact form multiple times allows for easy installation in tight control panels, delivering powerful functionality without occupying precious space.

Availability & Shipping

  • In stock: 6ES7972-0BB42-0XA0 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 6ES7972-0BB42-0XA0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

The Siemens 6ES7972-0BB42-0XA0 is a CP 343-1 Lean Communication Processor designed to facilitate high-speed data exchange and robust system integration within industrial automation environments, especially for Siemens S7-300 PLC systems.

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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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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