smartIO 8U12 and 8I12
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This article describes the hardware of the smartIO 8U12 or 8I12. These modules have been replaced by the 8x24.
Information on the setup can be found here
The smartIO 8U12 and 8I12 offer eight differential analog inputs with a measuring range of measuring range of ±10V (8U12) or 4-20 mA (8I12) and a sampling rate of 1 to 500 Hz (adjustable). The measuring input has a high-impedance design so that the measured voltage is voltage is only slightly loaded. A wide common mode range of up to 60V also allows measurement on battery packs in series connection. The analog inputs are isolated from CAN and the power supply.
Connections for analog sensors