Siemens 6ES7390-6BA00-0AA0 Industrial Automation Module — Legacy Replacement. Siemens 6ES7390-6BA00-0AA0 is the exact manufacturer order number for a industrial automation module in the SIMATIC S7-300 portfolio. Siemens describes this exact reference as: SIMATIC S7-300, Mounting adapter for snapping on PS307 on 35 mm standard mounting rail. The verified manufacturer lifecycle record is PM400:Announcement of product phase-out.