SIMATIC S7-200 SMART, CPU ST30, standard CPU, DC/DC/DC, onboard I/O: 18 DI 24 V DC; 12 DQ 24 V DC; power supply: DC 20.4 – 28.8 V DC, program/data memory 30 KB web server
SIMATIC S7-200 SMART, CPU ST40, CPU, DC/DC/DC, onboard I/O: 24 DI 24 V DC; 16 DO 24 V DC; power supply: DC 20.4 – 28.8 V DC, program/data memory 40 KB web server support
SIMATIC S7-200 SMART, analog I/O SM AM06, 4 AI/2 AO, 0..10 V, 0..5 V, 0/4..20mA, +/-5 V, +/-2.5 V, 12 bit resolution or 4…20 mA, +/-10 V 11 bit resolution