Siemens 6GK1140-1AA00 Profibus Interface Module

The Siemens 6GK1140-1AA00 Profibus Interface Module is a PROFIBUS interface component from Siemens designed to enable PROFIBUS communications within Siemens automation configurations. Assigned the part number 6GK1140-1AA00, this module serves as the interface between Siemens controllers and PROFIBUS devices, facilitating data exchange across the fieldbus in SIMATIC environments. In typical deployments, it appears in factory automation and process control networks where Siemens PLCs and PROFIBUS devices require standard, industry‑accepted communication. As part of Siemens' SIMATIC NET portfolio, it integrates with standard control architectures and supports connectivity to a range of compatible devices and gateways within a Siemens‑centered automation ecosystem. For engineers evaluating hardware options, this module represents a direct Siemens‑manufactured PROFIBUS interface solution within the broader SIMATIC ecosystem.