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The Siemens 6ES7153-2AA02-0XB0 is an IM 153-2 PROFIBUS DP interface module for an ET 200M station with up to eight S7-300 modules. This discontinued version supports redundant operation and time stamping in a correctly engineered distributed-I/O configuration.
Use redundancy only in the Siemens-approved ET 200M architecture. Both interface paths, PROFIBUS addresses, synchronization behavior and connected S7-300 modules must match the validated project.
Time stamping depends on the complete station and controller configuration. Preserve the original parameter set, event-channel assignment and time synchronization when replacing the interface.
Siemens names 6ES7153-2BA10-0XB0 as the successor. Confirm feature differences, supported module count, firmware, configuration software and redundancy behavior before treating it as a drop-in replacement.
Verify the full order number, IM 153-2 hardware version, station address, connector type and the list of up to eight installed S7-300 modules before removing the interface.
Back up the hardware configuration, isolate power as required, restore the PROFIBUS shield and termination arrangement, then confirm bus diagnostics, cyclic I/O, redundancy and time-stamped events.