SIMATIC S7-1200, Analog input, SB 1231, 1 AI, +/-10 V DC (12 bit resol.) or 0-20 mA
SIMATIC S7-1200, Simulator module SIM 1274, for CPU 1211/1212 8 input switches DC 24V
SIMATIC S7-1200, Digital input SM 1221, 16 DI, 24 V DC, Sink/Source
SIMATIC S7-1200, CPU 1215C, compact CPU, DC/DC/relay, 2 PROFINET ports, onboard I/O: 14 DI 24 V DC; 10 DO relay 2 A, 2 AI 0-10 V DC, 2 AO 0-20 mA DC, power supply: DC 20.4-28.8 V DC, program/data memory 200 KB
SIMATIC S7-1200, Digital output SM 1222, 16 DO, relay 2 A
SIMATIC S7-1200, Analog input, SM 1231 RTD, 8xAI RTD module
SIMATIC S7-1200, Digital I/O SM 1223, 8 DI/8 DO, 8 DI 24 V DC, Sink/Source, 8 DO, transistor 0.5 A
SIMATIC S7-1200, Analog input, SM 1231 TC, 8 AI thermocouples
SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit
SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA, 12 bit+sign (13 bit ADC)