Siemens 6ES7-158-0AD01-0XA0 is a DP/DP Coupler (Coupling Module) that links two PROFIBUS DP networks within SIMATIC automation systems. It functions as a DP/DP coupling module to connect two PROFIBUS DP networks with a redundant current infeed, enhancing reliability for cross-network communication between controllers and remote I/O. The order number is 6ES7158-0AD01-0XA0, and Siemens Industry Mall lists this model with a planned phase-out.
