IIODriver methods overview Use the following table to quickly locate an IIODriver method by name or by description. Method Description See... EnumPoints Tells the plugin to enumerate all I/O channels for a device. “EnumPoints method” Read Tells the plugin to read the input signal (voltage) on the specified digital or analog input channel. “Read method” Set Tells the plugin to command the specified digital output channel on the device to output the specified voltage. “Set method”