SIEMENS 6GK1143-0TA02 6ES5491-0LB11

Siemens SIMATIC NET CP 1430 TF Communications Processor

Description

The Siemens 6GK1143-0TA02, also known as the CP 1430 TF, is a powerful communications processor for the SIMATIC S5 series. This module allows for the seamless integration of S5 controllers into Industrial Ethernet networks, facilitating reliable data transfer using TCP/IP and FTP protocols. It is an essential component for maintaining or expanding legacy systems that require network connectivity. This unit is housed in the required 6ES5 491-0LB11 adaptation casing.

Specifications

• Manufacturer: Siemens
• Product Line: SIMATIC NET
• Model: CP 1430 TF
• Module Part Number: 6GK1143-0TA02
• Casing Part Number: 6ES5 491-0LB11
• PLC Compatibility: SIMATIC S5-115U to S5-155U
• Network Speed: 10 Mbit/s
• Protocols: TCP/IP, FTP, Telnet
• Physical Interface: AUI 15-pin D-sub

Label Info

• E-Stand: 02
• Inserted Module Max Voltage: AC 250V

Application

Ideal for data acquisition, remote programming, and machine-to-machine communication in industrial plants running on the Siemens SIMATIC S5 platform. It is a vital spare part for industries in manufacturing, automotive, and process control.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this reconditioned module, you are avoiding the emission of approximately 48.0 kg of CO2, which would be generated in the production of a new replacement. This is a sustainable choice for your operations.

Availability

This is an obsolete item but is available from our stock. Limited quantities available. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the primary function of the CP 1430 TF module?

The CP 1430 TF (6GK1143-0TA02) is a communications processor designed to connect Siemens SIMATIC S5 programmable logic controllers (PLCs) to an Industrial Ethernet network, enabling communication using TCP/IP protocols like FTP and Telnet.

Which SIMATIC S5 CPUs is this module compatible with?

This module is compatible with central racks of SIMATIC S5-115U, S5-135U, S5-155U, and S5-150 systems. It requires a specific slot in the backplane for operation.

What type of physical Ethernet connection does this module use?

The CP 1430 TF uses a 15-pin AUI (Attachment Unit Interface) D-sub connector for its 10 Mbit/s Ethernet connection. You will need an external transceiver (MAU – Media Attachment Unit) to connect it to modern twisted-pair (RJ45) or coaxial cabling.

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Last Update: Friday, March 13, 2026