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For Simatic S5 system applications, Siemens 6ES5432-3BA12 provides the function of a Digital Input Module.
For replacement planning, digital input hardware creates the path from field-level status signals to control logic, allowing the system to evaluate operating conditions and respond through configured sequences or protective actions. The assigned system function should be preserved through installation and service.
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. Its role should remain distinct from that of similarly named assemblies.
When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Exact operating details should be taken from the installed model documentation.
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