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Siemens 6GK7543-1AX00-0XE0 SIMATIC NET CP 1543-1 Communication Processor

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SIEMENS 6GK7543-1AX00-0XE0

by Siemens

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OverviewUpgrade your industrial control network with the Siemens 6GK7543-1AX00-0XE0, a sophisticated SIMATIC NET CP 1543-1 communication module. This robust unit is engineered for seamless integration with SIMATIC S7-1500 programmable logic controllers (PLCs), delivering exceptional connectivity, robust security, and advanced data management for contemporary industrial environments. Designed to fulfill the stringent requirements of modern manufacturing, the CP 1543-1 guarantees rapid data exchange, protected remote access, and dependable network operations, making it an essential element for any advanced automation setup.The 6GK7543-1AX00-0XE0 functions as a secure interface, enabling swift and trustworthy communication over Industrial Ethernet. It supports an extensive array of protocols, including PROFINET, TCP/IP, and ISO-on-TCP, ensuring adaptable integration with existing systems. Beyond its impressive communication speeds, this module prioritizes network security with an integrated firewall, VPN (IPsec), and Access Control Lists (ACLs), safeguarding vital industrial data against unauthorized access and cyber threats.Key Features High-Speed Industrial Ethernet: Provides gigabit-speed connectivity (up to 1 Gbit/s) via a single RJ45 port, optimized for swift data transfer and real-time communication within industrial networks. Comprehensive Security Suite: Includes an integrated firewall, VPN (IPsec) capabilities, and configurable Access Control Lists (ACLs) to deliver multi-layered cyber protection for your S7-1500 PLCs and connected devices. Direct S7-1500 Compatibility: Specifically designed as a plug-in module for SIMATIC S7-1500 controllers, ensuring straightforward installation and immediate operational readiness without complex configurations. Extensive Protocol Support: Supports crucial industrial communication protocols such as PROFINET, TCP/IP, ISO-on-TCP (RFC1006), SNMP, FTP, and HTTP, facilitating adaptable networking solutions. Reliable Network Diagnostics: Incorporates SNMP support for thorough network diagnostics and monitoring, allowing for proactive upkeep and quick troubleshooting to minimize interruptions. Integrated Web Server: Offers convenient remote monitoring and configuration access through an intuitive web interface, streamlining management and reducing the need for on-site visits. Network Redundancy Support: Engineered to support network redundancy, enhancing the overall reliability and constant availability of your industrial communication infrastructure. Technical Specifications Model: Siemens 6GK7543-1AX00-0XE0 Series: SIMATIC NET CP 1543-1 Compatibility: SIMATIC S7-1500 Controllers Ethernet Interfaces: 1x RJ45 (10/100/1000 Mbit/s) Supported Protocols: PROFINET, TCP/IP, ISO-on-TCP (RFC1006), SNMP, FTP, HTTP Security Features: Firewall, VPN (IPsec), Access Control Lists (ACLs) Power Supply: Via S7-1500 backplane bus Data Transmission Rate: Up to 1 Gbit/s Operating Voltage: 24V DC (via PLC rack) Current Consumption: Approximately 180 mA Protection Rating: IP20 Ambient Temperature: 0°C to +60°C Dimensions (W x H x D): 35 mm x 147 mm x 129 mm Weight: Approximately 250g Certifications: CE, UL, cUL, EAC Applications Industrial Automation & Control Systems: Forms the foundation for high-speed, dependable communication between S7-1500 PLCs and other network devices across diverse industrial settings. Secure Remote Maintenance & Access: Enables protected remote access to automation systems via VPN, facilitating diagnostics, programming, and monitoring from any geographic location. Data Acquisition & SCADA Systems: Perfectly suited for applications requiring stable data logging and transmission, ensuring precise and timely information for supervisory control and data acquisition. Distributed Control Systems (DCS): Facilitates effortless integration into distributed control architectures, boosting communication efficiency and overall system consistency. Industry 4.0 & Smart Factory Initiatives: Supports the fundamental networking needs for advanced manufacturing, fostering innovation and connectivity within intelligent factories. Why ChooseThe Siemens 6GK7543-1AX00-0XE0 offers unmatched reliability and advanced features for your S7-1500 PLC systems. With its robust security, high-speed communication, and seamless integration, it provides a critical building block for modern industrial automation. Invest in this communication processor to enhance your operational efficiency, secure your network, and prepare your infrastructure for future industrial demands. Palm Parts Solution delivers genuine Siemens components, ensuring peak performance and longevity.Order NowEmpower your industrial network with the Siemens 6GK7543-1AX00-0XE0. Contact us today to place your order or to learn more about how this advanced communication processor can benefit your specific application. Our team is ready to provide expert assistance and ensure a smooth procurement process.FAQWhat types of PLCs is the 6GK7543-1AX00-0XE0 compatible with?This communication processor is specifically designed for seamless integration with Siemens SIMATIC S7-1500 controllers.What security features are integrated into this module?The 6GK7543-1AX00-0XE0 includes an integrated firewall, VPN (IPsec) capabilities, and configurable Access Control Lists (ACLs) to protect your industrial network.Can this module support high-speed data transmission?Yes, it provides gigabit-speed connectivity, supporting data transmission rates of up to 1 Gbit/s over Industrial Ethernet.Does it support network redundancy?Absolutely, the module is designed to support network redundancy, which enhances the reliability and availability of your industrial communication infrastructure.How is the 6GK7543-1AX00-0XE0 powered?It draws its power directly from the S7-1500 backplane bus, with an operating voltage of 24V DC.

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PRODUCT DETAILS

SIEMENS 6GK7543-1AX00-0XE0

Overview

This is a genuine Siemens component from the Industrial Networking 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 Industrial Networking 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 Industrial Networking family

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

Technical Specifications

  • Model: Siemens 6GK7543-1AX00-0XE0
  • Series: SIMATIC NET CP 1543-1
  • Compatibility: SIMATIC S7-1500 Controllers
  • Ethernet Interfaces: 1x RJ45 (10/100/1000 Mbit/s)
  • Supported Protocols: PROFINET, TCP/IP, ISO-on-TCP (RFC1006), SNMP, FTP, HTTP
  • Security Features: Firewall, VPN (IPsec), Access Control Lists (ACLs)
  • Power Supply: Via S7-1500 backplane bus
  • Data Transmission Rate: Up to 1 Gbit/s
  • Operating Voltage: 24V DC (via PLC rack)
  • Current Consumption: Approximately 180 mA
  • Protection Rating: IP20
  • Ambient Temperature: 0°C to +60°C
  • Dimensions (W x H x D): 35 mm x 147 mm x 129 mm
  • Weight: Approximately 250g
  • Certifications: CE, UL, cUL, EAC

Applications

  • Industrial Automation & Control Systems: Forms the foundation for high-speed, dependable communication between S7-1500 PLCs and other network devices across diverse industrial settings.
  • Secure Remote Maintenance & Access: Enables protected remote access to automation systems via VPN, facilitating diagnostics, programming, and monitoring from any geographic location.
  • Data Acquisition & SCADA Systems: Perfectly suited for applications requiring stable data logging and transmission, ensuring precise and timely information for supervisory control and data acquisition.
  • Distributed Control Systems (DCS): Facilitates effortless integration into distributed control architectures, boosting communication efficiency and overall system consistency.
  • Industry 4.0 & Smart Factory Initiatives: Supports the fundamental networking needs for advanced manufacturing, fostering innovation and connectivity within intelligent factories.

Why Choose the 6GK7543-1AX00-0XE0?

The Siemens 6GK7543-1AX00-0XE0 offers unmatched reliability and advanced features for your S7-1500 PLC systems. With its robust security, high-speed communication, and seamless integration, it provides a critical building block for modern industrial automation. Invest in this communication processor to enhance your operational efficiency, secure your network, and prepare your infrastructure for future industrial demands. Palm Parts Solution delivers genuine Siemens components, ensuring peak performance and longevity.

Availability & Shipping

  • In stock: 6GK7543-1AX00-0XE0 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 6GK7543-1AX00-0XE0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

This communication processor is specifically designed for seamless integration with Siemens SIMATIC S7-1500 controllers.

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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