rtd_calibration Namespace Reference

Functions
def	main ()

Variables
int	RTD_SENSOR_TYPE_PT100 = 1

Detailed Description

Copyright (C) 2019 Moxa Inc. All rights reserved.
SPDX-License-Identifier: Apache-2.0

RTD Calibration Python Sample Application

Date          Author            Comment
2019-02-11    William Chang     Created it.

Function Documentation

def rtd_calibration.main

(

)

Definition at line 27 of file rtd_calibration.py.

def main():
    parser = argparse.ArgumentParser(description="RTD calibration sample program.")
    parser.add_argument("-s", "--slot", dest="rtd_slot", type=int, default=8)
    parser.add_argument("-c", "--channel", dest="rtd_channel", type=int, default=0)
    parser.add_argument("-e", "--calibration_temperature", dest="rtd_calibration_temperature", type=int, default=0)
    parser.add_argument("-t", "--type", dest="rtd_type", type=int, default=RTD_SENSOR_TYPE_PT100)
    args = parser.parse_args()

    rtd_slot = args.rtd_slot
    rtd_channel = args.rtd_channel
    rtd_calibration_temperature = args.rtd_calibration_temperature
    rtd_type = args.rtd_type
    print("RTD slot =  {}".format(rtd_slot))
    print("RTD channel = {}".format(rtd_channel))
    print("RTD type =  {}".format(rtd_type))
    print("calibration temperature = {}".format(rtd_calibration_temperature))

    # initialize ioThinx I/O
    device = ioThinx_4530_API.ioThinx_4530_API()
    # temporarily set config
    device.ioThinx_RTD_Config_SetSensorTypes(rtd_slot, rtd_channel, 1, [rtd_type])
    # reload config
    device.ioThinx_IO_Config_Reload()

    print("After executing this program, a non-volatile offset will be set for the selected channel.")
    print("1. Ensure the sensor is connected.")
    print("2. Ensure the channel and its sensor type is correctly selected.")
    print("3. Put the sensor into a glass that contains a mixture of ice and water.")
    print("4. Do not remove the sensor from the ice water during calibration...")
    ch = input("Continue ? (y/n): ")
    if ch == 'y':
        # get RTD value
        rtd_value = device.ioThinx_RTD_GetValues(rtd_slot, rtd_channel, 1)
        print("RTD value before calibration: {}".format(rtd_value))
        # execute the API with zero degrees Celsius as input parameter
        device.ioThinx_RTD_SetCalibrations(rtd_slot, rtd_channel, 1, [rtd_calibration_temperature])
        # wait for calibration ok
        print("Calibrating...")
        sleep(3)
        # get RTD value
        rtd_value = device.ioThinx_RTD_GetValues(rtd_slot, rtd_channel, 1)
        print("RTD value after calibration: {}".format(rtd_value))
        print("Finish.")
    else:
        print("Abort.")

Variable Documentation

int RTD_SENSOR_TYPE_PT100 = 1

Definition at line 24 of file rtd_calibration.py.