148 lines
5.0 KiB
Python
148 lines
5.0 KiB
Python
#!/user/bin/env python3
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"""
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WAY 6X Supercap Test App - way_6x_supercap_test_app.py
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- ENTRY POINT OF APPLICATION
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VERSION: 1.0
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AUTHOR: D. RICE 20/06/2024
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© 2024 FLOWBIRD TRANSPORT
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"""
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# Imports
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import pyvisa
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import time
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from threading import Timer
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import sys
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from datetime import datetime
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# Global variables
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setup_del = 0.2 # Setup delay in seconds
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meas_del = 0.05 # Measure delay in seconds
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psu_on_trigger_flag = False
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psu_off_trigger_flag = False
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psu_on_trigger_target = 30
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psu_off_trigger_target = 10
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psu_toggle_flag = False
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psu_voltage = 28.0
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psu_current = 3.0
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VISA_ADDRESS = "TCPIP::10.120.41.36::INSTR"
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rm = pyvisa.ResourceManager()
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SPD = rm.open_resource(
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VISA_ADDRESS,
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write_termination='\n',
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read_termination='\n'
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)
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def main():
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global SPD
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global setup_del
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global psu_on_trigger_flag
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global psu_off_trigger_flag
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global psu_on_trigger_target
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global psu_off_trigger_target
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global psu_toggle_flag
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global psu_voltage
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global psu_current
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SPD.write('CH1:VOLT ' + str(psu_voltage)) # Send power supply source voltage
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time.sleep(setup_del)
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SPD.write('CH1:CURR ' + str(psu_current)) # Send power supply current limit
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time.sleep(setup_del)
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SPD.write('CH2:VOLT ' + str(psu_voltage)) # Send power supply source voltage
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time.sleep(setup_del)
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SPD.write('CH2:CURR ' + str(psu_current)) # Send power supply current limit
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time.sleep(setup_del)
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# Enable power supply output source
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SPD.write('OUTP CH1,ON') # Enable supply output
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time.sleep(setup_del)
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SPD.write('OUTP CH2,ON') # Enable supply output
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time.sleep(setup_del)
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# Setup timer
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psu_toggle_flag = False
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test_timer = Timer(psu_on_trigger_target, test_timer_routine)
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test_timer.daemon = True
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test_timer.start()
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now = datetime.now()
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current_time = now.strftime("%H:%M:%S")
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print ("TIME STAMP: " + current_time + " EVENT: PSU ON | CHANNEL #1 V (V) = " + str(psu_voltage) + " | CHANNEL #1 I (A) = " + str(psu_current) + " | CHANNEL #2 V (V) = " + str(psu_voltage) + " | CHANNEL #2 I (A) = " + str(psu_current))
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while True:
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if psu_on_trigger_flag == True:
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psu_on_trigger_flag = False
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test_timer = Timer(psu_on_trigger_target, test_timer_routine)
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test_timer.daemon = True
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test_timer.start()
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now = datetime.now()
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current_time = now.strftime("%H:%M:%S")
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print ("TIME STAMP: " + current_time + " EVENT: PSU ON | CHANNEL #1 V (V) = " + str(psu_voltage) + " | CHANNEL #1 I (A) = " + str(psu_current) + " | CHANNEL #2 V (V) = " + str(psu_voltage) + " | CHANNEL #2 I (A) = " + str(psu_current))
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SPD.write('CH1:VOLT ' + str(psu_voltage)) # Send power supply source voltage
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time.sleep(setup_del)
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SPD.write('CH1:CURR ' + str(psu_current)) # Send power supply current limit
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time.sleep(setup_del)
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SPD.write('CH2:VOLT ' + str(psu_voltage)) # Send power supply source voltage
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time.sleep(setup_del)
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SPD.write('CH2:CURR ' + str(psu_current)) # Send power supply current limit
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time.sleep(setup_del)
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# Enable power supply output source
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SPD.write('OUTP CH1,ON') # Enable supply output
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time.sleep(setup_del)
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SPD.write('OUTP CH2,ON') # Enable supply output
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time.sleep(setup_del)
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if psu_off_trigger_flag == True:
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psu_off_trigger_flag = False
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test_timer = Timer(psu_off_trigger_target, test_timer_routine)
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test_timer.daemon = True
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test_timer.start()
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now = datetime.now()
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current_time = now.strftime("%H:%M:%S")
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print ("TIME STAMP: " + current_time + " EVENT: PSU OFF | CHANNEL #1 V (V) = 0.0 | CHANNEL #1 I (A) = 0.0 | CHANNEL #2 V (V) = 0.0 | CHANNEL #2 I (A) = 0.0")
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SPD.write('CH1:VOLT ' + '0.0') # Send power supply source voltage
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time.sleep(setup_del)
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SPD.write('CH1:CURR ' + '0.0') # Send power supply current limit
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time.sleep(setup_del)
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SPD.write('CH2:VOLT ' + '0.0') # Send power supply source voltage
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time.sleep(setup_del)
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SPD.write('CH2:CURR ' + '0.0') # Send power supply current limit
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time.sleep(setup_del)
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# Disbale power supply output source
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SPD.write('OUTP CH1,OFF') # Disable supply output
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time.sleep(setup_del)
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SPD.write('OUTP CH2,OFF') # Disable supply output
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time.sleep(setup_del)
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def test_timer_routine():
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global psu_on_trigger_flag
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global psu_off_trigger_flag
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global psu_toggle_flag
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if psu_toggle_flag == False:
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psu_toggle_flag = True
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psu_off_trigger_flag = True
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else:
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psu_toggle_flag = False
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psu_on_trigger_flag = True
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# Run main
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if __name__ == "__main__":
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try:
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main()
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except (KeyboardInterrupt, SystemExit):
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sys.exit()
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