def get_damper_position(zone_temperature):
# assuming minimum damper at 21degC of 0.1 for min air flow
# and assuming a maximum damper at 27degC of 1.0
# linear regression gives this formula:
damper_position = 0.15 * zone_temperature - 3.05
if damper_position <= 0.1:
py_print("*Damper at minimum position for air flow")
damper_position = 0.1
elif damper_position >= 1.0:
py_print("*Damper at maximum position for full load")
damper_position = 1.0
return damper_position
def main(self):
py_print("Inside main function of " + type(self).__name__)
Tin = self.my_sensed_data["PCUD_Tin"]
Qdot = self.my_sensed_data["Qdot"]
Tout = Tin + (Qdot / (0.5 * 4181.0))
py_print("Current inlet temp = " + str(Tin) + " and Qdot = " +
str(Qdot) + " results in outlet temp: " + str(Tout))
Mdot = 0.5
py_print("Constant flowrate of " + str(Mdot))
return [Tout, Mdot]
def main(self):
self.counter += 1
if self.counter == 3:
self.api.eplusFatalHalt(b"Fatal Error!")
py_print("Inside main function of " + type(self).__name__)
zone_temp1 = self.my_sensed_data["zoneOneTemperature"]
zone_damper1 = self.get_damper_position(zone_temp1)
py_print("Current zone 1 temp = " + str(zone_temp1) +
" results in damper position: " + str(zone_damper1))
zone_temp2 = self.my_sensed_data["zoneTwoTemperature"]
zone_damper2 = self.get_damper_position(zone_temp2)
py_print("Current zone 2 temp = " + str(zone_temp2) +
" results in damper position: " + str(zone_damper2))
return [zone_damper1, zone_damper2]
def __init__(self):
super().__init__()
self.counter = 0
py_print("Constructed plugin derived class: " + type(self).__name__)
def main(self):
py_print("Inside main function of " + type(self).__name__)
current_coil_size = self.my_sensed_data['initialCoilSize']
new_coil_size = self.adjust_coil_size(current_coil_size)
py_print("Current coil size: " + str(current_coil_size))
py_print("Updated (rounded) coil size: %s!" % new_coil_size)
py_print("Also, calculating pressure at T = 23C")
pressure = self.api.saturationPressureFunctionOfTemperature(23.0)
py_print("Got pressure back as: " + str(pressure))
py_print("Uh oh, a warning!")
self.api.eplusWarning(b"Here's my warning!")
py_print("Uh oh, a severe!!!")
self.api.eplusSevereError(b"Here's my SEVERE!")
return [new_coil_size]