Siemens 6ES7414-3XJ00-0AB0 PLC CPU Module — Legacy Replacement. Siemens 6ES7414-3XJ00-0AB0 is the exact manufacturer order number for a plc cpu module in the SIMATIC S7-400 portfolio. Siemens describes this exact reference as: SIMATIC S7-400, CPU 414-3 Work memory 768 KB (384 KB code, 384 KB data) 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP, 3rd interface for IFM only residual quantities available. The verified manufacturer lifecycle record is PM500:Discontinued Product or end of PLM & Support.