TBMEIS is the program for test each battery module in production line. This program works with Hioki BT4560 Battery Impedance Meter to measure the Nyquist chart. The output result save to CSV file and MySQL database directly for further data analysis.

The files contained in this program:

TBMEIS.py Main program powereign_icon.py Powereign (R) logo icon usb_rs.py BT4560 serial communication program TBMEIS.cfg Configuration file frequency.csv List of test frequencies README.md This file

Versions:

1.00 Date: 2021年07月20日

1. Initial Release

1.10 Date: 2021年07月23日

1. Auto connect to COM port with entering the program
2. Disable the Frequency List entry and Open button to prevent operator miss operation
3. The Nyquest chart shows schatter with lines
4. R and X axes are fixed, the limits can by set in configuration file
5. Output CSV file name saved with date and time
6. The previous Module SN is logged, if operator run test of the same module in a row, the program will show repeat test warning After test is finished, no need to press Clear, operator can scan new Module SN to start a new test
7. Add error message when module polarity is reversed

1.20 Date: 2021年08月03日

1. Add reading bin grade from MySQL Total table and display on screen for user to double confirm
2. Add MySQLDB in the cfg file to choose from official DB (TBR_Battery_Test) or test DB (Richard)

1.21 Date 2021年08月09日

1. The bin grading looked up from MySQL Total table will be stored in the EIS table.

1.30 Date 2021年08月20日

1. The measurement range of 30mOhm, 300mOhm and 3Ohm can be set in the .cfg file.
2. The .cfg file add the Range at the last line 13.

1.31 Date 2021年08月27日

1. Change the location "Bad Connection!" and "Battery Reversed!" message on top of chart instead of pop-up window.
2. Without the pop-up window, the user don't need to use the mouse or keyboard to close the pop-up window and clear the module SN entry.

1.32 Date 2021年10月14日

1. Add to check the length of the Module SN. If the MSN is not 12 digits, show "Length Error!" and wait for next test.
2. If the Module SN is not in MySQL Total, show "Not Found!" and wait for next test.

1.40 Date 2022年01月24日

1. The SQL DB is been changed to use utf8_general_ci encoding instead of ascii_bin encoding. The ReadBinfromMySQL should changed to without .docode() to not decode the bytearray format.
2. Add 50 point on the width of the Result window to accommodate the result length.