Add TCR-3458A-R6581T-350B.py
This commit is contained in:
parent
6e418a7030
commit
5e515a4739
228
TCR-3458A-R6581T-350B.py
Normal file
228
TCR-3458A-R6581T-350B.py
Normal file
@ -0,0 +1,228 @@
|
||||
import GPIBPrologix
|
||||
import bme280
|
||||
import smbus2
|
||||
from requests import post
|
||||
import pyvisa
|
||||
import time
|
||||
|
||||
## Initialize the temperature controller
|
||||
USBCON = pyvisa.ResourceManager()
|
||||
## Initialize GPIB adapter
|
||||
GPIB = GPIBPrologix.ResourceManager("/dev/ttyACM0")
|
||||
# Connect equipment
|
||||
inst1 = GPIB.open_resource(16)
|
||||
inst3 = GPIB.open_resource(25)
|
||||
inst2 = USBCON.open_resource('ASRL/dev/ttyUSB1::INSTR')
|
||||
# Initialize BME280 temperature/humidity sensor
|
||||
bus = smbus2.SMBus(1)
|
||||
## Configure equipment
|
||||
# BME280 temperature/humidity sensor
|
||||
calibration_params = bme280.load_calibration_params(bus, 0x76)
|
||||
# HP 3458A {resistance readout}
|
||||
inst3.write("END 2")
|
||||
inst3.write("OFORMAT ASCII")
|
||||
inst3.write("BEEP")
|
||||
inst3.write("TRIG AUTO")
|
||||
inst3.write("OHMF 1E4")
|
||||
inst3.write("NRDGS 1,AUTO")
|
||||
inst3.write("NPLC 100")
|
||||
inst3.write("NDIG 9")
|
||||
inst3.write("AZERO ON")
|
||||
inst3.write("DISP MSG,' '")
|
||||
# Newport 350B {temperature controller}
|
||||
inst2.write("TEC:GAIN:PID 100:80:18")
|
||||
inst2.write("TEC:T 23")
|
||||
inst2.write("TEC:OUT 1")
|
||||
# Advantest R6581T {temp sensor}
|
||||
inst1.write("*RST")
|
||||
inst1.write(":CONF:FRES")
|
||||
inst1.write(":SENS:FRES:POW LO")
|
||||
inst1.write(":SENS:FRES:DIG MAX")
|
||||
inst1.write(":SENS:FRES:NPLC 10")
|
||||
inst1.write(":SENS:ZERO:AUTO ON")
|
||||
inst1.write(":INPut:GUARd LOW")
|
||||
inst1.write(":DISP OFF")
|
||||
|
||||
# Measurement functions
|
||||
def readValue(instObj):
|
||||
# Query the main measurement device, return DUT measurement value
|
||||
out = ""
|
||||
instObj.write("TARM SGL,1")
|
||||
for i in range(10):
|
||||
out = instObj.read()
|
||||
if out:
|
||||
break
|
||||
return out
|
||||
def readTemperature(instObj):
|
||||
value = instObj.query("FETch?") #Query a measurement
|
||||
value = round((float(value[:10])-100)/0.385,4)
|
||||
return value
|
||||
def setTemperature(instObj, inputVar):
|
||||
# Set the DUT chamber temperature
|
||||
instObj.write("TEC:T "+str(inputVar))
|
||||
time.sleep(25)
|
||||
return inputVar
|
||||
def getEnvironment(instObj, i2cbus):
|
||||
# Get environmental values, return temperature, humidity and pressure
|
||||
value = instObj.sample(i2cbus, 0x76, calibration_params)
|
||||
return value
|
||||
def findparabolaVertex(a,b,c):
|
||||
# Get the vertex for the resulting polynomial
|
||||
print ("Vertex: (",(-b/(2*a)),",",(((4*a*c)-(b*b))/(4*a)),")")
|
||||
return -(-b/(2*a))
|
||||
|
||||
## Have gitpython pull in the repository
|
||||
import os
|
||||
import git
|
||||
import shutil
|
||||
username = input("Your 0xC6 git username: ")
|
||||
password = input("Your 0xC6 git password: ")
|
||||
remote = f"https://{username}:{password}@git.0xc6.com/xans/ResistorDatabase.git"
|
||||
if not os.path.exists(os.getcwd()+"/ResistorDatabase"):
|
||||
git.Repo.clone_from(remote, os.getcwd()+"/ResistorDatabase/")
|
||||
else:
|
||||
shutil.rmtree(os.getcwd()+"/ResistorDatabase/", ignore_errors=True)
|
||||
git.Repo.clone_from(remote, os.getcwd()+"/ResistorDatabase/")
|
||||
|
||||
## Get needed info to properly label everything
|
||||
manufacturer = input("Manufacturer: ").lower()
|
||||
restype = input("Resistor Type: ").upper()
|
||||
nomValue = input("Nominal resistor value: ").upper() # Use R instead of dot
|
||||
resdate = input("Manufactury date: ").upper()
|
||||
resid = input("Personally assigned ID: ").upper()
|
||||
shellyIp = input("If you use shelly for protection, enter the IP: ").upper()
|
||||
if shellyIp and os.system("ping -c 1 " + shellyIp):
|
||||
print("shelly not found")
|
||||
quit()
|
||||
if shellyIp:
|
||||
url = "{}://{}:{}/relay/0?turn=on".format("http", "192.168.0.101", "80")
|
||||
post(url)
|
||||
|
||||
## Create proper directory structure
|
||||
basePath = os.getcwd() + "/ResistorDatabase/"
|
||||
if not os.path.exists(basePath+manufacturer):
|
||||
os.makedirs(basePath+manufacturer)
|
||||
if not os.path.exists(basePath+manufacturer+'/'+restype):
|
||||
os.makedirs(basePath+manufacturer+'/'+restype)
|
||||
if not os.path.exists(basePath+manufacturer+'/'+restype+"/data/"):
|
||||
os.makedirs(basePath+manufacturer+'/'+restype+"/data/")
|
||||
basePath = basePath+manufacturer+'/'+restype
|
||||
print(basePath+"/data/")
|
||||
|
||||
import csv
|
||||
import time
|
||||
import datetime
|
||||
import numpy as np
|
||||
import pandas as pd
|
||||
from math import sin
|
||||
## Create logfile
|
||||
logFileName = restype+'-'+nomValue+'-'+resdate+'-'+resid+'.csv'
|
||||
with open(basePath+"/data/"+logFileName, 'a') as f:
|
||||
writer = csv.writer(f)
|
||||
writer.writerow(["DateTime","Resistance","Box Temperature", "Set Temperature","Env Pressure","Env Temperature", "Env Humidity"])
|
||||
print(basePath+"/data/"+logFileName)
|
||||
|
||||
sweep = np.append([23] * 25, np.arange(23,28,0.1))
|
||||
sweep = np.append(sweep, [28] * 25)
|
||||
sweep = np.append(sweep, np.arange(28,23,-0.1))
|
||||
sweep = np.append(sweep, [23] * 25)
|
||||
sweep = np.append(sweep, np.arange(23,18,-0.1))
|
||||
sweep = np.append(sweep, [18] * 25)
|
||||
sweep = np.append(sweep, np.arange(18,23,0.1))
|
||||
sweep = np.append(sweep, [23] * 25)
|
||||
|
||||
cntr = 0
|
||||
## Collect data
|
||||
setPoint = setTemperature(inst2,round(sweep[0],3))
|
||||
time.sleep(600)
|
||||
for x in sweep:
|
||||
cntr = cntr + 1
|
||||
try:
|
||||
#Set temp and let accimatize
|
||||
setPoint = setTemperature(inst2,round(x,3))
|
||||
print(str(cntr)+'/'+str(len(sweep)))
|
||||
time.sleep(15)
|
||||
for i in range(3):
|
||||
try:
|
||||
time.sleep(5)
|
||||
#Get DUT value
|
||||
readout = readValue(inst3)
|
||||
#Read the temperature
|
||||
temperature = readTemperature(inst1)
|
||||
#Get envirnmental values
|
||||
data = getEnvironment(bme280, bus)
|
||||
#Write to file
|
||||
d = datetime.datetime.now()
|
||||
dx = d - datetime.timedelta(microseconds=d.microsecond)
|
||||
fields=[dx.strftime("%d-%m-%y %H:%M:%S"),float(readout),float(temperature),setPoint,round(data.humidity,2),round(data.temperature,2),round(data.pressure,2)]
|
||||
print(fields)
|
||||
with open(basePath+"/data/"+logFileName, 'a') as f:
|
||||
writer = csv.writer(f)
|
||||
writer.writerow(fields)
|
||||
if shellyIp and float(temperature) > 30 or float(temperature) < 16:
|
||||
url = "{}://{}:{}/relay/0?turn=off".format("http", "192.168.0.101", "80")
|
||||
post(url)
|
||||
except Exception as e:
|
||||
print(e)
|
||||
inst1.query("*RST")
|
||||
time.sleep(3)
|
||||
inst1.query("R3") #Resistance mode 3, PT100 1mA
|
||||
inst1.query("F2") #Auto filter
|
||||
inst1.query("T7") #Set integration time 4S
|
||||
inst1.query("CN0") #Only data on query
|
||||
inst1.query("O4") #4 Wire
|
||||
inst1.query("U1") #Basic unit ON
|
||||
inst1.query("AZA1") #Auto zero on
|
||||
inst1.query("AZT0300")#Auto zero every 300seconds
|
||||
inst1.query("MAR") #Front, Channel A, RTD
|
||||
time.sleep(3)
|
||||
inst1.query("U1")
|
||||
time.sleep(33)
|
||||
i = i-1
|
||||
except Exception as e:
|
||||
print(e)
|
||||
time.sleep(1)
|
||||
|
||||
## Calculate TCR
|
||||
df = pd.read_csv(basePath+"/data/"+logFileName)
|
||||
abCoef = np.polyfit(df["Box Temperature"], df["Resistance"], 2)
|
||||
zeroTC = findparabolaVertex(abCoef[0],abCoef[1],0)
|
||||
zeroTC = round(zeroTC,3)
|
||||
if abs(zeroTC) >= 500:
|
||||
zeroTC = '/'
|
||||
alpha = (abCoef[1]*1000000)/float(nomValue)
|
||||
beta = (abCoef[0]*1000000)/float(nomValue)
|
||||
if abs(alpha) >= 50000:
|
||||
alpha = '/'
|
||||
else:
|
||||
alpha = round(alpha,3)
|
||||
if abs(beta) >= 50000:
|
||||
beta = '/'
|
||||
else:
|
||||
beta = round(beta,3)
|
||||
|
||||
## Make plot and save
|
||||
from matplotlib import pyplot as plt
|
||||
plt.plot(df["Box Temperature"], df["Resistance"])
|
||||
plt.plot(df["Box Temperature"], ((abCoef[0]*pow(df["Box Temperature"],2))+abCoef[1]*df["Box Temperature"]+abCoef[2]))
|
||||
plt.xlabel('Temperature DUT (PT100, °C)')
|
||||
plt.ylabel('Resistance DUT (Ohms)')
|
||||
plt.title ('TCR sweep '+ logFileName[:-4])
|
||||
plt.savefig(basePath+"/data/"+logFileName[:-4]+".jpg", bbox_inches='tight')
|
||||
|
||||
## Write away values to result overview
|
||||
if not os.path.exists(basePath+'/README.md'):
|
||||
with open(basePath+'/README.md', 'a') as f:
|
||||
f.write("| Manufacturer | Type | Nominal Value | Manufacturing Date | Alpha(ppm) | Beta(ppm) | Zero-Tempco | File | ID | User |\n")
|
||||
f.write("|--------------|------|---------------|--------------------|------------|-----------|-------------|------|----|------|\n")
|
||||
f.close()
|
||||
with open(basePath+'/README.md', 'a') as f:
|
||||
linkToImg = "/data/"+logFileName[:-4]+".jpg"
|
||||
print("|"+manufacturer+"|"+restype+"|"+nomValue+"|"+resdate+"|"+str(alpha)+"|"+str(beta)+"|"+str(-zeroTC)+"|"+linkToImg+"|"+resid+"|"+username+"|\n")
|
||||
f.write("|"+manufacturer+"|"+restype+"|"+nomValue+"|"+resdate+"|"+str(alpha)+"|"+str(beta)+"|"+str(-zeroTC)+"|"+linkToImg+"|"+resid+"|"+username+"|\n")
|
||||
f.close()
|
||||
repo = git.Repo(os.getcwd() + "/ResistorDatabase/")
|
||||
repo.git.add(basePath)
|
||||
repo.index.commit("Add resistor "+ logFileName)
|
||||
repo.remotes[0].push()
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user