Siemens 6ES7158-0AD01-0XA0 SIMATIC DP/DP Coupler Redundant Infeed Remote I/O Interface Module

The Siemens 6ES7158-0AD01-0XA0 is a SIMATIC DP/DP coupler that links two PROFIBUS DP networks through a redundant 24 V DC current infeed, drawing 90 mA typical and dissipating 2 W. Rated IP20 for operation from 0 to 60 degrees C, it provides status and diagnostics indicators at the bus interface, with a compact 40 x 127 x 117 mm housing for panel mounting.

Technical Specifications

Selection Notes

Redundant current infeed lets the 6ES7158-0AD01-0XA0 stay powered from either supply line, which matters for a DP/DP link bridging two otherwise independent PROFIBUS DP segments - a single supply fault on one side does not drop the coupling. At 90 mA typical draw and 2 W dissipation, it adds negligible load to a station's 24 V budget. This part is listed for phase-out in the Siemens catalog, so specify a current DP-to-DP coupling method for new station designs.

Applications

Coupling two PROFIBUS DP master networks with redundant power infeed for continuity - existing installations needing a DP-to-DP bridge rather than a PROFINET migration.