def setupDaqChannels(self):
# AI
device = 'USB6002_A'
terminalConfig = daq.AiChannel.TerminalConfiguration.DIFF
self.fetOutputMonitorChannel = daq.AiChannel(
'%s/ai0' % device, -10., +10., terminalConfig=terminalConfig)
self.currentChannelCoarse = daq.AiChannel(
'%s/ai1' % device, -10., +10., terminalConfig=terminalConfig)
self.currentChannelFine = daq.AiChannel('%s/ai2' % device,
-10.,
+10.,
terminalConfig=terminalConfig)
self.magnetVoltageChannel = daq.AiChannel(
'%s/ai3' % device, -10., +10., terminalConfig=terminalConfig)
# Digital
self.doLineDisableFeedback = daq.DoChannel('%s/port1/line3' % device)
self.diLineDisableFeedbackCheck = daq.DiChannel('%s/port1/line0' %
device)
self.doLineResetIntegrator = daq.DoChannel('%s/port1/line2' % device)
# AO
self.magnetVoltageControlChannel = daq.AoChannel(
'%s/ao0' % device, -3.4, +3.4)
self.outputVoltageControlChannel = daq.AoChannel(
'%s/ao1' % device, 0,
self.OutputVoltageLimit / self.OutputVoltageControlGain)
def setupDaqChannels(self):
device = 'USB6002_B'
# AI
terminalConfig = daq.AiChannel.TerminalConfiguration.DIFF
self.fetOutputMonitorChannel = daq.AiChannel(
'%s/ai0' % device, -10., +10., terminalConfig=terminalConfig)
self.magnetVoltageChannel = daq.AiChannel(
'%s/ai1' % device, -10., +10., terminalConfig=terminalConfig)
self.currentChannelFine = daq.AiChannel('%s/ai2' % device,
-10.,
+10.,
terminalConfig=terminalConfig)
self.currentChannelCoarse = daq.AiChannel(
'%s/ai3' % device, -10., +10., terminalConfig=terminalConfig)
# AO
self.magnetVoltageControlChannel = daq.AoChannel(
'%s/ao0' % device, -10., +10.) # TODO Figure out proper limits
self.outputVoltageControlChannel = daq.AoChannel(
'%s/ao1' % device, 0,
self.OutputVoltageLimit / self.OutputVoltageControlGain)
# Digital
self.doLineDisableFeedback = daq.DoChannel(
'%s/port1/line0' % device) # HIGH=Disable, LOW=Enable
self.diLineDisableFeedbackCheck = daq.DiChannel(
'%s/port2/line0' % device) # Readback for DisableFeedback
self.doLineMagnetVoltageLoopGain = daq.DoChannel(
'%s/port1/line1' % device) # HIGH=21x, LOW=441x
self.doLineMagnetVoltageReadoutGain = daq.DoChannel(
'%s/port1/line2' %
device) # HIGH=441x, LOW=21x # Might be backwards
def checkForLeak(self):
#print "Checking for leak"
task = daq.DiTask('Check leak sensor')
channel = daq.DiChannel('PXI6025E/port0/line7')
task.addChannel(channel)
task.commit()
data = task.readData(10)
#print data
n = np.count_nonzero(data)
print n
if n > 7:
leak = False
elif n < 3:
leak = True
self.alarmLed.setValue(leak)
#print leak
if leak and self.armPb.isChecked():
self.sendAlert()
self.armPb.setChecked(False)