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SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit

6ES7231-5ND32-0XB0 : Analog Input SM 1231, 4AI 16bit

SKU: 6ES72315ND320XB0