Internet of Things (IoT) Demo: Connecting a Siemens LOGO PLC to AWS Cloud - YouTube
Siemens 6ES7 232-4HA30-0XB0 SIMATIC S7-1200, Analog Output SB 1232, 1 AO, 10VDC (12 BIT RES.) OR 0-20 MA (11 BIT RES): Amazon.com: Industrial & Scientific
Siemens 6ES7 232-4HD32-0XB0 SIMATIC S7-1200, ANALOG OUTPUT, SM 1232, 4 AO, +/-10V, 14 BIT RESOLUTION, OR 0 - 20 MA/4 - 20 MA, 13 BIT RESOLUTION: Amazon.com: Industrial & Scientific