Module dopes.equipment_control.kal100
Classes
class kal100 (port)
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class kal100(equipment.equipment): """Class to control KAL100 pressure system""" model="KAL100" company="halstrup-walcher" url="https://www.halstrup-walcher.de/en/products/KAL100.php" def __init__(self,port): """ Function called when an instance of the class is created args: \n\t- port (string) : the computer port to which the equipment is connected """ self.serial_resource = serial.Serial( port=port, baudrate=9600, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS, timeout=10 ) def initialize(self,units="kPa",percentage=100, mode_operation="MS", mode_input="positive",zero_adjust=True): """ Function to initialize the KAL100 args: \n\t- units (string) : "Pa", "kPa" or "hPa" \n\t- percentage (int) : pressure fixed at "percentage" of the targeted value \n\t- mode_operation (string) : mode test ("MT"), mode zeroing ("MZ"), mode target value ("MS"), mode pressure measurement ("MP") \n\t- mode_input (string) : Positive P-input ("positive"), Negative P-input ("negative"), Differential pressure measurement ("differential") """ units_dic={"kPa":0,"Pa":1,"hPa":2} mode_dic={"positive":"MI0","negative":"MI1","differential":"MI2"} self.units=units # self.serial_resource.write(str.encode(">PD%d\n"%units_dic[units])) # self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode(">PE%d\n"%units_dic[units])) self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode(">PP%d\n"%percentage)) # percentage of the target self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode("%s\n"%mode_dic[mode_input])) # MI0: Positive P-input, MI1: Negative P-input, MI2: Differential pressure measurement self.serial_resource.read_until(b'\r') if zero_adjust: self.serial_resource.write(str.encode("MZ\n")) # mode zeroing self.serial_resource.read_until(b'\r') time.sleep(10) self.serial_resource.write(str.encode("%s\n"%mode_operation)) #MT: mode test, MZ: mode zeroing, MS: mode target value, MP: mode pressure measurement self.serial_resource.read_until(b'\r') if mode_operation=="MS": self.serial_resource.write(str.encode(">PS%3.5f\n"%0)) self.serial_resource.read_until(b'\r') def set_pressure(self,pressure): """ Function to set pressure level of the KAL100 args: \n\t- pressure (scalar) : targeted pressure """ units_mult={"kPa":10,"Pa":1e-3,"hPa":1} self.serial_resource.write(str.encode("MS\n")) self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode(">PS%3.5f\n"%(pressure*units_mult[self.units]))) # self.serial_resource.write(str.encode(">PS%3.5f\n"%(pressure))) self.serial_resource.read_until(b'\r') def close_connection(self): """ Function to close the serial connection with the equipment """ self.serial_resource.close()
Class to control KAL100 pressure system
Function called when an instance of the class is created
args:
- port (string) : the computer port to which the equipment is connected
Ancestors
Class variables
var company
var model
var url
Methods
def close_connection(self)
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def close_connection(self): """ Function to close the serial connection with the equipment """ self.serial_resource.close()
Function to close the serial connection with the equipment
def initialize(self,
units='kPa',
percentage=100,
mode_operation='MS',
mode_input='positive',
zero_adjust=True)-
Expand source code
def initialize(self,units="kPa",percentage=100, mode_operation="MS", mode_input="positive",zero_adjust=True): """ Function to initialize the KAL100 args: \n\t- units (string) : "Pa", "kPa" or "hPa" \n\t- percentage (int) : pressure fixed at "percentage" of the targeted value \n\t- mode_operation (string) : mode test ("MT"), mode zeroing ("MZ"), mode target value ("MS"), mode pressure measurement ("MP") \n\t- mode_input (string) : Positive P-input ("positive"), Negative P-input ("negative"), Differential pressure measurement ("differential") """ units_dic={"kPa":0,"Pa":1,"hPa":2} mode_dic={"positive":"MI0","negative":"MI1","differential":"MI2"} self.units=units # self.serial_resource.write(str.encode(">PD%d\n"%units_dic[units])) # self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode(">PE%d\n"%units_dic[units])) self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode(">PP%d\n"%percentage)) # percentage of the target self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode("%s\n"%mode_dic[mode_input])) # MI0: Positive P-input, MI1: Negative P-input, MI2: Differential pressure measurement self.serial_resource.read_until(b'\r') if zero_adjust: self.serial_resource.write(str.encode("MZ\n")) # mode zeroing self.serial_resource.read_until(b'\r') time.sleep(10) self.serial_resource.write(str.encode("%s\n"%mode_operation)) #MT: mode test, MZ: mode zeroing, MS: mode target value, MP: mode pressure measurement self.serial_resource.read_until(b'\r') if mode_operation=="MS": self.serial_resource.write(str.encode(">PS%3.5f\n"%0)) self.serial_resource.read_until(b'\r')
Function to initialize the KAL100
args:
-
units (string) : "Pa", "kPa" or "hPa"
-
percentage (int) : pressure fixed at "percentage" of the targeted value
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mode_operation (string) : mode test ("MT"), mode zeroing ("MZ"), mode target value ("MS"), mode pressure measurement ("MP")
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mode_input (string) : Positive P-input ("positive"), Negative P-input ("negative"), Differential pressure measurement ("differential")
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def set_pressure(self, pressure)
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Expand source code
def set_pressure(self,pressure): """ Function to set pressure level of the KAL100 args: \n\t- pressure (scalar) : targeted pressure """ units_mult={"kPa":10,"Pa":1e-3,"hPa":1} self.serial_resource.write(str.encode("MS\n")) self.serial_resource.read_until(b'\r') self.serial_resource.write(str.encode(">PS%3.5f\n"%(pressure*units_mult[self.units]))) # self.serial_resource.write(str.encode(">PS%3.5f\n"%(pressure))) self.serial_resource.read_until(b'\r')
Function to set pressure level of the KAL100
args:
- pressure (scalar) : targeted pressure
Inherited members