Part number: 6ES7 331-1KF02-0AB0. SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE/PT100, NI100, NI1000, LG-NI1000, 66 MS MODULE UPDATE, 40 PIN. Condition: Factory Sealed Surplus.
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