Description 6ES7231-0HC22-0XA0 Siemens S7-200 Analog input module acts as a high-density analog field sensor acquisition module. It provides 32 independent, highly reliable, and isolated inputs with built-in filtering, calibration from digital conversion to analog and logic modules. Basically the analog input module measures the voltage or current from the input device. Specification Brand name: Siemens Product name: Siemens S7-200 Analog input module Product model: 6ES7231-0HC22-0XA0 Power supply: 24 VDC Number of analog input: 4 points Bit converter: 12 bit Country of origin: China...