while start <= end:
yield start
start += step
#--------------------------------MAIN------------------------------------------------
time.sleep(1)
#Initialize PSU (set CH1: 12V / 0.2A OCP and CH2: 12V / 0.2A OCP)
psu.setVoltage(1, 12)
psu.setOCP(1, 0.2)
psu.toggleOCP('ON')
psu.setVoltage(2, 12)
psu.setOCP(2, 0.2)
psu.toggleOCP('ON')
psu.toggleOutput(1, 'ON')
psu.toggleOutput(2, 'ON')
time.sleep(1)
#Initialize Function Generator
wf.sine(1, 0.004, 1)
wf.toggleOutput(1, 'ON')
time.sleep(1)
#Begin test iteration
for i in iteration(freqStep, maxFreq, freqStep):
wf.sine(1, 0.004, i) #increment sine wave frequency
#set the proper time and magnitude scaling for oscope
osc.setVoltDiv(1, outputSig)
osc.setVoltDiv(2, inputSig)
while start <= end:
yield start
start += step
#--------------------------------MAIN------------------------------------------------
time.sleep(1)
psu.setCurrent(3,0.5)
#psu.setOVP(3,5.1)
#psu.toggleOVP('OFF')
psu.setOCP(3,0.222)
psu.toggleOCP('ON')
psu.setVoltage(3,3.3)
psu.toggleOutput(3,'ON')
time.sleep(1)
for i in iteration(3.3,5,0.1):
psu.setVoltage(3,i)
time.sleep(1)
power = round(psu.measPower(3)*1000,2)
volt = round(psu.measVolt(3),1)
current = round(psu.measCurrent(3),2)
print("Power: " + str(power) + " mW" + " Voltage: " + str(volt) + " V" + " Current: " + str(current) + " A")
psu.toggleOutput(3,'OFF')
print("\n*** Script Completed! ***")
while start <= end:
yield start
start += step
#--------------------------------MAIN------------------------------------------------
time.sleep(1)
#Initialize PSU (set CH1: 12V / 0.2A OCP and CH2: 12V / 0.2A OCP)
psu.setVoltage(1,12)
psu.setOCP(1,0.2)
psu.toggleOCP('ON')
psu.setVoltage(2,12)
psu.setOCP(2,0.2)
psu.toggleOCP('ON')
psu.toggleOutput(1,'ON')
psu.toggleOutput(2,'ON')
time.sleep(1)
#Initialize Function Generator
wf.sine(1,0.004,1)
wf.toggleOutput(1,'ON')
time.sleep(1)
#Begin test iteration
for i in iteration(freqStep,maxFreq,freqStep):
wf.sine(1,0.004,i) #increment sine wave frequency
#set the proper time and magnitude scaling for oscope
osc.setVoltDiv(1,outputSig)
osc.setVoltDiv(2,inputSig)
sheet['A1'] = 'Voltage' #label A1 'Voltage'
sheet['B1'] = 'Current' #label B1 'Current'
#--------------------------GENERAL FUNCTIONS-----------------------------------------
def iteration(start, end, step): #define a for loop function
while start <= end:
yield start
start += step
#--------------------------------MAIN------------------------------------------------
time.sleep(1) #delay
psu.toggleOutput(3, 'ON') # turn PSU channel 3 output ON
i = 0
# initialize voltage coutner variable
while (i <= 1): # while voltage is less than euqal to 5V
psu.setVoltage(3, i) # set PSU output voltage
time.sleep(0.5) # delay
voltReading = dmm.measV('DC') # measure voltage (DMM)
voltArray.append(voltReading)
time.sleep(0.5) # delay
currReading = dmm.measI('DC') # measure current (DMM)
currArray.append(currReading)
time.sleep(0.5) # delay
# write data header line
if (dmmMeasureMode == 'average'):
file2.write(
"SetVoltage,PsuMeasureVoltage,DmmAverageVoltage,DmmMinimumVoltage,DmmMaximumVoltage,DmmStandardDeviation\n"
)
else:
file2.write("SetVoltage,PsuMeasureVoltage,DmmMeasureVoltage\n")
initialTemp = psu.sysTemp()
#Initialize DMM (set to measure voltage auto ranging)
dmm.confV()
#Initialize PSU (set test channel off, 0V, OVP OFF, currentLimit, overCurrentLimit, OCP ON)
psu.selOutput(pChan)
psu.toggleOutput(pChan, 'OFF')
psu.setVoltage(pChan, 0)
psu.toggleOVP('OFF') # make sure OVP off
psu.setCurrent(
pChan, currentLimit
) # should be set to something reasonable incase something goes wrong
psu.setOCP(
pChan, overCurrentLimit
) # should be set to something reasonable incase something goes wrong
psu.toggleOCP('ON') # make sure OCP off
psu.toggleOutput(pChan, 'ON')
for v in iteration(voltMin, voltMax, voltStep):
psu.setVoltage(pChan, v)
time.sleep(measDelay)
psuReading = psu.measVolt(pChan)
sheet['A1'] = 'Voltage' #label A1 'Voltage'
sheet['B1'] = 'Current' #label B1 'Current'
#--------------------------GENERAL FUNCTIONS-----------------------------------------
def iteration(start, end, step): #define a for loop function
while start <= end:
yield start
start += step
#--------------------------------MAIN------------------------------------------------
time.sleep(1) #delay
psu.toggleOutput(3,'ON') # turn PSU channel 3 output ON
i = 0; # initialize voltage coutner variable
while(i <= 1): # while voltage is less than euqal to 5V
psu.setVoltage(3, i) # set PSU output voltage
time.sleep(0.5) # delay
voltReading = dmm.measV('DC') # measure voltage (DMM)
voltArray.append(voltReading)
time.sleep(0.5) # delay
currReading = dmm.measI('DC') # measure current (DMM)
currArray.append(currReading)
time.sleep(0.5) # delay
i = i+0.1 # increment counter for voltage
while start <= end:
yield start
start += step
#--------------------------------MAIN------------------------------------------------
time.sleep(1)
psu.setCurrent(3,0.5)
#psu.setOVP(3,5.1)
#psu.toggleOVP('OFF')
psu.setOCP(3,0.222)
psu.toggleOCP('ON')
psu.setVoltage(3,3.3)
psu.toggleOutput(3,'ON')
time.sleep(1)
for i in iteration(3.3,5,0.1):
psu.setVoltage(3,i)
time.sleep(1)
power = round(psu.measPower(3)*1000,2)
volt = round(psu.measVolt(3),1)
current = round(psu.measCurrent(3),2)
print("Power: " + str(power) + " mW" + " Voltage: " + str(volt) + " V" + " Current: " + str(current) + " A")
psu.toggleOutput(3,'OFF')
print("\n*** Script Completed! ***")