Nancyvarkey at 10:25, 14 January 2021

2021-01-14T10:25:58Z

Nirmala Venkat: Created page with " {| border="1" |- || '''VISUAL CUE''' || '''NARRATION''' |- || Slide 1: || Welcome to the spoken tutorial on '''OpenPLC Heater module.''' |- || Slide 2: Learning Objectives..."

2021-01-11T12:10:08Z

Created page with " {| border="1" |- || '''VISUAL CUE''' || '''NARRATION''' |- || Slide 1: || Welcome to the spoken tutorial on '''OpenPLC Heater module.''' |- || Slide 2: Learning Objectives..."

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{| border="1"
|-
|| '''VISUAL CUE'''
|| '''NARRATION'''
|-
|| Slide 1:
|| Welcome to the spoken tutorial on '''OpenPLC Heater module.'''
|-
|| Slide 2: Learning Objectives* OpenPLC''' '''Heater''' '''module''' '''

|| In this tutorial, we will learn about
* '''OpenPLC Heater '''module''' '''
|-
|| Slide 3: System Requirements* Ubuntu Linux 18.04 operating system
* OpenPLC Heater module
* OpenPLC version 1 Mainboard
* 24V, 2A SMPS

|| To record this tutorial I am using:* '''Ubuntu Linux 18.04''' operating system
* '''OpenPLC''' '''Heater '''module
* '''OpenPLC version 1 Mainboard'''
* '''24V, 2A SMPS'''
|-
|| Slide 4: Pre-requisites*OpenPLC version 1 Mainboard
*If not, please refer to the relevant tutorials from [https://spoken-tutorial.org/ Home | spoken-tutorial.org]

|| * To follow this tutorial, you should know about '''OpenPLC version 1''' '''Mainboard'''.
* If not, please refer to the relevant tutorials in this series on this website.
|-
|| heater-setup.png
|| This is the image of the heater module.

'''Heater module''' is used to perform a typical analog experiment.

That is, to control the temperature of a heating element.

You may imagine this setup as a cutting machine, used to cut heavy metals.
|-
|| Slide 5: How the Heater module works?*First it will sense the temperature of the machine
* Then it will turn on if it is adequately cold.
* If it exceeds a certain threshold, the machine shuts down and starts the cooler.

|| First it will sense the temperature of the machine.

Then it will turn on if it is adequately cold.

If it exceeds a certain threshold, the machine shuts down and starts the cooler.
|-
|| Slide 6: Main Components
*Fan
*PCB
Resistor(heating element)
Thermistor
Indicator LEDs
Connectors

|| The main components of this module are
*Fan and
*PCB
*The PCB has Resistor i.e. heating element
*Thermistor
*Indicator LEDs
*Connectors
|-
|| heater-input-power.png

|| This module can be powered up with the power pins, marked as '''‘Power Input’'''.
|-
|| heater-MCU-pins.png

Mark ‘fan’ and ‘heat’ as input

Mark ‘temp’ as output
|| We can find 3 '''MCU''' i.e. microcontroller pins on the '''PCB'''.

They are marked as '''‘fan’''', '''‘heat’''' and '''‘temp’'''.

'''‘fan’''' and '''‘heat’''' are the input pins for the heater module.

Whereas '''‘temp’''' is an output pin.
|-
|| heater-resistor.png
|| In this module we are using a resistor as the heating element.

While conducting current it gets heated up due to power loss from it.

This resistor conducts only when the pin '''‘heat’''' is given logic 1.

This will be indicated by the LED '''‘HeatOn’ '''present to the right on the PCB.
|-
|| heater-MCU-pins.png

Highlight fan pin
|| Similarly, the fan will turn on when the pin '''‘fan’''' is given logic 1.

This will be indicated by the LED ‘'''FanOn’ '''
|-
|| thermistor.jpg

Highlight thermistor
|| A temperature sensor is coupled with the resistor.

The temperature sensor used here is a '''NTC thermistor.'''

Thus, the resistance of the thermistor is inversely proportional to the temperature.
|-
||
|| This thermistor data will be given to the microcontroller on the '''Mainboard'''.

The program in the MCU will then control the logic level of '''‘fan’''' and '''‘heat’''' pins.
|-
|| Slide 7: How can the Heater module be powered?

Heater module can be powered using the output power pins of Mainboard
|| How can the Heater module be powered?

It can be powered using the output power pins of '''Mainboard'''.
|-
|| SMPS-Mainboard.jpg
|| Connect the''' SMPS''' to the '''Mainboard''' as shown here.
|-
||
|| Now, we’ll look at the working demo of the module.
|-
|| demo-fan.png
|| Make the connections as shown in the picture.

Remember to turn OFF the power while changing or making new connections.
|-
|| demo-fan.png
|| Connect the power pins of the module from the '''Mainboard''' using relimate connectors.

Connect +5V to the '''‘fan’''' pin.
|-
|| video-fan.mp4
|| We can observe that the fan starts rotating and the '''‘FanOn’''' LED starts glowing.
|-
|| demo-heat.png
|| Remove +5V connected to the '''‘fan’''' MCU pin.

Connect it to the ''''heat'''' pin instead.
|-
|| video-heat.mp4
|| We can observe that the '''‘HEATon’''' LED starts glowing.

It indicates that the resistor is turned on and the temperature is rising.
|-
||
|| If you have a multimeter, use it to measure the resistance from time to time.
|-
||
|| This brings us to the end of the tutorial.

Let us summarize.
|-
|| Slide 8: Summary* OpenPLC''' '''Heater''' '''module

|| In this tutorial, we learnt about* '''OpenPLC Heater '''module''' '''

|-
|| Slide 9:

About Spoken Tutorial project
|| The video at the following link summarises the Spoken Tutorial project.

Please download and watch it
|-
|| Slide 10:

Spoken Tutorial workshops
|| The''' Spoken Tutorial Project''' team:
*conducts workshops using spoken tutorials and
*gives certificates on passing online tests.

For more details, please write to us
|-
|| Slide 11:

Forum for specific questions:
|| *Please post your timed queries in this forum

|-
|| Slide 12:

Forum for specific questions:
|| Do you have any general / technical questions on OpenPLC?

Please visit the FOSSEE forum and post your question.
|-
|| Slide 13:

Acknowledgement
|| Spoken Tutorial Project is funded by MHRD, Government of India.
|-
|| Slide 14:

Thank you slide
|| This tutorial has been contributed by FOSSEE and Spoken Tutorial Project, IIT Bombay.

And this is Harsha Priyanka from FOSSEE team, signing off.

Thanks for watching.
|-
|}

OpenPLC-version1-with-LDmicro/C3/OpenPLC-Heater-module/English - Revision history

Nancyvarkey at 10:25, 14 January 2021

Nirmala Venkat: Created page with " {| border="1" |- || '''VISUAL CUE''' || '''NARRATION''' |- || Slide 1: || Welcome to the spoken tutorial on '''OpenPLC Heater module.''' |- || Slide 2: Learning Objectives..."