Siemens 6ES7 231-4HF32-0XB0 SIMATIC S7-1200, Analog Input, SM 1231, 8 AI, 10V, 5V, -2.5V, OR 0-20MA/4-20 MA, 12 BIT + Sign OR (13 BIT ADC): Amazon.com: Industrial & Scientific
Siemens 6ES7 211-1BE40-0XB0 SIMATIC S7-1200, CPU 1211C, COMPACT CPU, AC/DC/RELAY, ONBOARD I/O: 6 DI 24V DC; 4 DO RELAY 2A; 2 AI 0-10V DC, POWER SUPPLY: AC 85-264 VAC: Amazon.com: Industrial &
Siemens 6ES7 215-1BG40-0XB0 SIMATIC S7-1200, CPU 1215C, Compact CPU, AC/DC/Relay, 2 PROFINET Port, ONBOARD I/O: 14 DI 24V DC; 10 DO Relay 2A, 2 AI 0-10V DC, 2 AO 0-20MA DC, Power
Amazon.com: Industrial Control Board, Dual Core CPU Chip Programmable Controller High Speed Communication for Siemens S7 200 : Tools & Home Improvement
Siemens 6EP1332-4BA00 SIMATIC PM 1507 24 V/3 A stabilized power supply for SIMATIC S7-1500 input: 120/230 V AC output: 24 V DC/3 A: Amazon.com: Industrial & Scientific