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Siemens 6AV1222-0AC20 is a Processor Module for the Simatic S5 product family.
Processor and controller modules execute configured control functions, coordinate data from I/O and communication resources, and manage the operating sequence assigned to their control node. The original wiring and configuration records should guide application.
In a SIMATIC S5 system, module selection is governed by the controller family, rack arrangement, electrical interface, and configured program. The exact article number should be matched before installation. The product remains part of the broader control and signal-handling arrangement.
In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Existing connection and module records should guide replacement work.
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