https://www.tiendasiemens.com/shop/6es7412-2ek07-0ab0-siemens-ae-cpu412-2-pn-1-mb-2-schnittstelle-new-423270
[6ES7412-2EK07-0AB0] SIEMENS/AE CPU412-2 PN, 1 MB, 2 SCHNITTSTELLE (New) | Tiendasiemens
R338 SIMATIC S7-400, CPU 412-2 PN CPU CON: MEMORIA PRINCIPAL 1 MB, (0,5 MB CODIGO; 0,5 MB DATOS) INTERFACES INTERF.1:MPI/DP 12 MBIT/S (X1),...