Hello! How many quantities of the product model SIMATIC S7-1200 G2: Fail-safe, compact CPU 1214FC DC/DC/RLY; Power supply: DC 20.4-28.8V; Onboard I/O: 14x DI 24V DC; 10 DO relays 2A; Memory: Program 300 KB, Data: 750 KB, Retentive memory: 20 KB do you need?