Siemens 6GK1500-0AB00 Automation Connection Component. Siemens 6GK1500-0AB00 is the exact manufacturer order number for a automation connection component in the SIMATIC NET PC Communication portfolio. Siemens describes this exact reference as: Bus terminal RS 485 for PROFIBUS transfer rate: 9.6 Kbit/s to 1500 Kbit/s with plug-in cable 3.0 m. The verified manufacturer lifecycle record is PM300: Active Product.