The product performs Compact CPU backplane and RS232 connection in the documented X20 Compact CPU station. Installation and commissioning must preserve the exact identity, interfaces and approved configuration.
Important Notice: Confirm B&R X20BB22, X20 Compact CPU station, Compact CPU backplane, power-supply module and RS232, wiring, grounding, configuration, companion accessories and controlled commissioning results before service release.
Apter Power X20BB22 Manuals and Guides
The first document is the model-specific technical and system reference. The second is a distinct field workbook for installation, wiring, commissioning and acceptance records.