delay = 0.01 #delay in seconds (50 ms)
#--------------------------GENERAL FUNCTIONS-----------------------------------------
def iteration(start, end, step): #define a for loop function
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)
sheet['A1'] = 'Frequency' #label A1 'Frequency'
sheet['B1'] = 'Gain' #label B1 'Gain'
#--------------------------GENERAL FUNCTIONS-----------------------------------------
def iteration(start, end, step): #define a for loop function
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
sheet['B1'] = 'Gain' #label B1 'Gain'
#--------------------------GENERAL FUNCTIONS-----------------------------------------
def iteration(start, end, step): #define a for loop function
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
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
#!/usr/bin/env python
import pyvisa as visa
import time
import datetime
import os
import DP832 as psu
import SDM3055 as dmm
from decimal import *
#--------------------------GLOBAL VARIABLES------------------------------------------
dmmModel = dmm.getModel()
psuModel = psu.getModel()
cmdDelay = Decimal('0.01') #delay in seconds (10 ms)
measDelay = Decimal(
'1'
) #delay in seconds to wait before starting dmm measurement, less than 1 seems to make DP832 read previous set value
pChan = 1 # channel to test
voltMin = Decimal('0.000')
voltMax = Decimal('32.000')
voltStep = Decimal('0.001')
currentLimit = Decimal(
'0.020'
) # set to something high enough that we don't current limit, but low enough incase something goes wrong
overCurrentLimit = Decimal(
'0.020'
) # set to same as currentLimit for now, for if we've reached currentLimit something has gone wrong
dmmMeasureMode = "average" # take a single measurement, or multiple measurements and take average
dmmMeasureCount = 10 # if multiple measurements, take this many measurements for each voltage setting
load = 'open' # load measuring across, open for no load hooked directly to meter
#--------------------------GENERAL FUNCTIONS-----------------------------------------
from DP832 import *
try:
PSU = DP832()
print(PSU.status())
except:
print("Connection Failed, Script Ended")
PSU.toggle_output(1, 0)
PSU.set_voltage(1, 13.333)
print(PSU.measure_current(1))
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
delay = 0.01 #delay in seconds (50 ms)
#--------------------------GENERAL FUNCTIONS-----------------------------------------
def iteration(start, end, step): #define a for loop function
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)