SIMATIC S7-1200, módulo de entradas analógicas, SM (6ES7231-4HD32-0XB0)

SIMATIC S7-1200, Módulo de entradas analógicas, SM 1231, 4 EA, +/-10V, +/-5V, +/-2.5V, ó 0-20 mA12 bit + sign bit (13 bit ADC)

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