if message == 'y' and (batt_num == '1' or batt_num == '2' or batt_num == '3' or batt_num == '4'):
break;
print "Accessing the power supplies and electronic loads"
pfc_v = 50
pfc_i = 2
batt_i = 10
batt_i_max = 15
ps1 = xpf6020.Xpf6020(ps1_path)
ps1.reset_ps()
ps1.set_voltage(1, pfc_v)
ps1.set_currentlimit(1, pfc_i)
bkload1 = bk8500.Bk8500(eload1_path)
bkload1.remote_switch('on')
bkload1.config_cc_mode(batt_i, batt_i_max)
if batt_num == '2':
ps1.set_voltage(2, pfc_v)
ps1.set_currentlimit(2, pfc_i)
bkload2 = bk8500.Bk8500(eload2_path)
bkload2.remote_switch('on')
bkload2.config_cc_mode(batt_i, batt_i_max)
elif batt_num == '3':
ps1.set_voltage(2, pfc_v)
ps1.set_currentlimit(2, pfc_i)
ps2 = xpf6020.Xpf6020(ps2_path)
ps2.reset_ps()
ps2.set_voltage(1, pfc_v)
# Input
vin = 43
iin = 1.5
# Output (BK8500)
mppt_v = 46 # can't be greater than mppt_v_max
mppt_v_max = 50
print "Accessing the XPF6020 Power Supply"
ps = xpf6020.Xpf6020(ps_path)
ps.reset_ps()
ps.set_voltage(1, vin)
ps.set_currentlimit(1, iin)
print "Accessing the BK8500 Electronic Load"
bkload = bk8500.Bk8500()
bkload.remote_switch('on')
bkload.config_cv_mode(mppt_v, mppt_v_max)
print "Accessing the Chroma62020H Power Supply"
chroma = chroma62020H.Chroma62020H(chroma_path)
chroma.reset()
chroma.set_mode('SAS')
chroma.set_sas_voc('25.67')
chroma.set_sas_isc('5.629')
chroma.set_sas_vmpp('20.12')
chroma.set_sas_impp('4.971')
print "Accessing the Agilent34972A DAQ"
daq = agilent34972A.Agilent34972A(agilent_path)
daq.factory_reset()
# Battery PS - Outside MPPT
ps3_path = '/dev/serial/by-id/usb-Prolific_Technology_Inc._USB-Serial_Controller_D-if00-port0'
ps3 = xpf6020.Xpf6020(ps3_path)
ps3.reset_ps()
ps3.set_voltage(1, solar_vin)
ps3.set_currentlimit(1, solar_iin)
ps3.set_voltage(2, solar_vin)
ps3.set_currentlimit(2, solar_iin)
print "Accessing the BK8500 Electronic Loads"
mppt_v = 46
mppt_v_max = 50
bkload1 = bk8500.Bk8500()
bkload1.remote_switch('on')
bkload1.config_cv_mode(mppt_v, mppt_v_max)
bkload2 = bk8514.Bk8514()
bkload2.remote_switch('on')
bkload2.config_cv_mode(mppt_v, mppt_v_max)
def bkload_measure_check(ch, cycle, current, voltage, tolerance):
ts = datetime.now()
ts = ts.replace(microsecond=0)
if ch == '1':
[r_load_v, r_load_i] = bkload1.read()