- Product: SIMATIC S7-1200 - Model: CPU 1214C - CPU type: Compact - Power supply: DC/DC/relay - Onboard I/O: - 14 digital inputs (DI) 24 V DC - 10 digital outputs (DO) relay 2 A - 2 analog inputs (AI) 0-10 V DC - Power supply range: AC 20.4-28.8V DC - Program/data memory: 75 KB