Reads an A/D input channel from the specified board, and returns a 16-bit unsigned integer value. If the specified A/D board has programmable gain, it sets the gain to the specified range. The raw A/D value is converted to an A/D value and returned.
a_in(board_num, channel, ul_range)
board_num (int)
The number associated with the board when it was installed with InstaCal or created with create_daq_device().
channel (int)
The A/D input channel number.
ul_range (ULRange)
A/D Range code. If the selected A/D board does not have a programmable gain feature, this parameter is ignored. Otherwise, set to any range that is supported by the selected A/D board.