6ES7214-1AG40-0XB0 S7-1200 PLC CPU – 14 (Digital Input 2 switch as Analogue Input) Inputs. The Siemens PLC is a high-performance system with a compact and space-saving design. This PLC CPU has 2 integrated analogue inputs, 14 integrated digital inputs and 10 integrated digital transistor outputs. It comes with integrated IO and communication interfaces that meet the highest industry requirements. It is also enabled with a range of powerful integrated technological functions that make this controller an integral part of a comprehensive automation solution.