Siemens 6ES7554-1AA00-5AA0 Automation Connection Component. Siemens 6ES7554-1AA00-5AA0 is the exact manufacturer order number for a automation connection component in the SIMATIC S7-1500 portfolio. Siemens describes this exact reference as: TM FAST Debug Connector for connecting a USB blaster with TM FAST only for commissioning and service purposes. The verified manufacturer lifecycle record is PM300: Active Product.