Siemens 6ES7158-0AD01-0XA0 DP/DP Coupler is a DP/DP coupling module that interconnects two PROFIBUS DP networks while providing electrical isolation between them. It presents two DP ports (one on each side) to couple two Profibus DP Master networks and supports a redundant current infeed for reliable operation on production lines. Address configuration is performed via on‑board DIP switches or through STEP 7 software, with the catalog number 6ES7158-0AD01-0XA0.
