Siemens 6GK1143-0AA01 is a SINEC H1 CP143 TF interface module that enables SIMATIC S5 PLCs to communicate over Ethernet networks using AP/TF protocols. As part of the SINEC H1 family, the CP143 TF interface provides Ethernet connectivity for legacy S5 systems, bridging the controller to modern networks. The 0AA01 variant is widely cataloged as a Siemens spare part and is sold by distributors for retrofit or integration projects requiring S5-to-Ethernet communication.
