Siemens 6ES7157-0AA82-0XA0 is the SIMATIC DP IM 157 interface module used with compatible DP/PA couplers to create a DP/PA Link. Acting as a DPV1 slave on the higher-level PROFIBUS DP network and as a master for the lower-level fieldbus segment, it transfers cyclic process data, diagnostics and parameter information between automation controllers and distributed field devices. The module supports a maximum PROFIBUS DP rate of 12 Mbit/s, PROFIBUS PA communication at 31.25 kbit/s, up to five DP/PA couplers and as many as 64 lower-level slaves in a configured network. Siemens 6ES7157-0AA82-0XA0 is designed for process-control installations that require reliable gateway communication, network diagnostics and exact-model maintenance support.

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