Brand: Siemens
Part Number: 6GK7543-1AX00-0XE0
Product Type: Communications Processor CP 1543-1
System Compatibility: SIMATIC S7-1500
Condition: New Factory Sealed
The Siemens CP 1543-1 communications processor enables seamless integration of SIMATIC S7-1500 controllers with Industrial Ethernet networks using TCP/IP, ISO, and S7 protocols. Designed for robust industrial automation, it supports advanced security features like VPN and firewall, plus diagnostics via SNMP and network protocols DHCP and FTP. Ideal for secure, efficient network communication across demanding industrial environments.
This product is a member of the Siemens S7-1500 product family.
Click here to see all S7-1500 modules available.
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Shipping & Support
✓ Ships within 24 hours from stock
✓ Express shipping options available at checkout
✓ Worldwide insured shipping via UPS & DHL
✓ Includes 30-day warranty

Photos show the actual item. If multiple units are available, all are identical in condition and specifications.
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We supply industrial automation spare parts including PLCs, HMIs, CPUs, I/O modules, drives, sensors, and control components from leading brands such as Siemens, Beckhoff, Allen-Bradley, Omron, Schneider Electric, Eaton, and more. All parts are available from stock and ready for fast worldwide shipping. Aegean Automation is a trusted supplier of industrial automation components for production systems, machinery, and factory automation worldwide.
This product is used in industrial automation systems to support reliable operation and integration within control and monitoring environments.
It is commonly applied in PLC systems, control panels, and automation processes where stability and long-term performance are required.
Suitable for maintenance, replacement, or expansion of existing industrial automation systems.


















