Siemens 6SE9996-0XA21 CM2 MMI PROFIBUS T-CONNECTOR

Siemens 6SE9996-0XA21 CM2 MMI PROFIBUS T-CONNECTOR is a dedicated interface accessory designed to attach a Siemens CM PROFIBUS bus to CM2 MMI systems, typically used in CB155 configurations to provide a PROFIBUS DP link for the CM module. The order listing for this part number explicitly notes that the T-connector includes Cable B, streamlining installation by delivering the bus lead bundled with the connector. As a passive CM PROFIBUS component, the T-connector provides the physical link between the CM2 MMI module and other DP devices within a Siemens automation network, enabling standard PROFIBUS DP communication channels and integration of CM2 MMI devices into DP-based control schemes. Designed for use with Siemens CM PROFIBUS configurations, the 6SE9996-0XA21 serves as the dedicated Profibus interface in installations where a CM2 MMI must join a Profibus DP network, rather than serving as an active controller or signal converter.