from ._basic import DAQ import ue9 # not availabe via pip, download from LabJack website # https://support.labjack.com/docs/software-driver class LabJackUE9(DAQ): """ DAQ LabJack UE9 class. This is custom modification of the stock ue9 class provided by LabJack. """ def __init__( self, *args, debug=False, autoOpen=True, ethernet=False, ipAddress=None, **kargs ): """ LabJack UE9 can be contacted via TCP, use LabJackUE9(ethernet=True, ipAddress="192.168.1.209") """ super().__init__(*args, **kargs) self.config["Device model"] = "LabJack UE9" self.AnalogInputsNum = 4 self.AnalogOutputsNum = 2 self.daq = ue9.UE9( debug=debug, autoOpen=autoOpen, ethernet=ethernet, ipAddress=ipAddress ) # For applying the proper calibration to readings. c = self.daq.getCalibrationData() # by evmik # fixing missing slope for gain '0' c["AINSlopes"]["0"] = 0.0000775030 def getAIN(self, chNum): """get analog input (AIN) voltage""" BipGain = 8 Resolution = 12 SettlingTime = 0 # BipGain = 8 -> bipolar range (-5V, +5V) gain 1 # UE9 default BipGain = 0 -> signal range (0V, +5V) gain 1 # other BipGain could be: # 0 = Unipolar Gain 1, 1 = Unipolar Gain 2, # 2 = Unipolar Gain 4, 3 = Unipolar Gain 8, # 8 = Bipolar Gain 1 return self.daq.getAIN( chNum, BipGain=BipGain, Resolution=Resolution, SettlingTime=SettlingTime ) def setDAC(self, chNum, volts): """set digital to analog (DAC) output voltage""" if (chNum is None) or (volts is None): print("setOutputCh needs chNum and volts to be set") return 0 bits = self.daq.voltageToDACBits(volts, dacNumber=chNum) # results are completely bogus for DAC settings in UE9 self.daq.singleIO(IOType=5, Channel=chNum, DAC=bits) return volts def close(self): self.daq.close() if __name__ == "__main__": daq = LabJackUE9() print("testing") print("------ Header start -------------") print(str.join("\n", daq.getHeader())) print("------ Header ends -------------")