Siemens SM1231 TC 6ES7 231-5QF32-0XB0 S7-1200 Thermocouple Signal Module
Siemens SM 1231 AI - 6ES7231-4HD32-0XB0
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 Simatic S7-1200 Analog Input modules - PLC-City - PLC-City
Siemens SM 1231 RTD - 6ES72315PF320XB0 | Automation24