ABB DI811 I/O 16 Digital Inputs Module

ABB DI811 I/O 16 Digital Inputs Module

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Cables

When a short circuit occurs, the voltage increase across the IGBT is detected by the desaturation protection of the 1ED020I12-F and the IGBT is turning-off. The fault is reported to the primary side of the driver as a low active signal. A red LED is turning-on to signalize the failure condition. The /FLT status remains active as long as there is no reset signal applied to the driver. The /FLT signal is active low, the according schematic can be seen in Figure 11. 

The design of the DI811 was performed with respect to the environmental conditions described in 2ED300C17-S /-ST EiceDRIVER™ datasheet. The requirements for leadfree reflow soldering have been considered when components were selected. The design was tested as described in this documentation but not qualified regarding manufacturing and operation in the whole operating ambient temperature range or lifetime. 

ABB DI811 Technical drawing:

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