Use 6DD1607-0CA1 only in the documented SIMATIC S7-400 FM 458 position. Preserve the exact connectors, power, signal or network configuration and verify high-speed analog, digital and encoder I/O expansion for FM 458 during controlled commissioning.
Important Notice: Confirm 6DD1607-0CA1, the documented host, interfaces, configuration, diagnostics and controlled acceptance evidence before release.
These documents are different: the first consolidates exact product and system data; the second provides model-specific installation checks, commissioning steps and acceptance guidance.