Siemens 6ES7954-8LP02-0AA0 PLC CPU Module — Legacy Replacement. Siemens 6ES7954-8LP02-0AA0 is the exact manufacturer order number for a plc cpu module in the SIMATIC S7-300 Connection System portfolio. Siemens describes this exact reference as: *** spare part *** SIMATIC S7, memory cards for S7-1x 00 CPU, 3, 3V Flash, 2 GB. The verified manufacturer lifecycle record is PM410:Product cancellation.