Siemens 6ES7290-6AA30-0XA0 is a SIMATIC S7-1200 SM12XX extension cable designed for a two-tier controller arrangement. Its 2.0 m cable length provides the documented interconnection between compatible S7-1200 signal-module sections when the assembly cannot be installed in a single row.
The extension cable must be routed and secured according to the Siemens S7-1200 installation instructions, with adequate bend radius, mechanical protection, grounding practices, and separation from interference sources. Verify the complete article number and the supported module arrangement before installation or replacement.

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