Hello! How many quantities of the product model SIMATIC S7-1200 G2: Compact CPU 1214C AC/DC/RLY; Power supply: AC 47-63Hz, 85-264V AC; Onboard I/O: 14x DI 24V DC; 10 DO relay 2A; Memory: Program 250 KB, Data: 750 KB, Retained after power loss: 20 KB do you need?