ANALOG INPUT EM 231: 6ES7231-0HC22-0XA0 Categories: PLC - CPU - MODULE, PLC S7-200, SIEMENS. GET INQUIRY Your Name (required) Your Email (required) Phone Number (required) Description Reviews (0) SIMATIC S7-200 ANALOG INPUT EM 231 : 6ES7231-0HC22-0XA0 , FOR S7-22X CPU ONLY, 4 AI, 0 – 10V DC, 12 BIT CONVERTER. Add a Review Tags: 6ES7231-0HC22-0XA0, Analog input, EM 231, Module Siemens, Siemens, Simatics S7-200. Related Products ANALOG OUTPUT EM 232: 6ES7232-0HD22-0XA0 ANALOG INPUT EM 231: 6ES7231-0HF22-0XA0 DIGITAL INPUT EM 221 : 6ES7221-1BH22-0XA0 DIGITAL OUTPUT EM 222: 6ES7222-1BF22-0XA0 CPU 222: Simatic S7-200 : 6ES7212-1AB23-0XB0