6ES7288-1SR20-0AA0, SIMATIC S7-200 SMART – CPU SR20 – CPU – AC/DC/RELAY – ONBOARD I/O: 12 DI 24 V DC; 8 DO RELAY 2A; POWER SUPPLY: AC 85-264 V AC AT 47-63 HZ – PROGRAM/DATA MEMORY 20 KB, PLC Systems> SIMATIC S7-200, ,

6ES7331-7KF00-0AB0SIMATIC S7-300 – ANALOG INPUT SM 331 – OPTICALLY ISOLATED – U/I/THERMOCOUPLE/RESISTANCE INTERRUPT – DIAGNOSTICS; RESOLUTION 9/12/14 BITS – 8AI AVAILABLE AS A SPARE PART ONLY!, , PLC Systems> SIMATIC S7-300, ,