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Hello everyone, welcome to automation
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community. Today in this video we are
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going to discuss an example in which we
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will be controlling port solenoids using
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two toggle switches. So let's start.
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Example nine. If toggle switch one is on
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then solenoid one and solenoid 2 will be
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on. If toggle switch one is off, then
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solenoid one will be off and solenoid 2
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will be on. If toggle switch two is on
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then solenoid 3 and solenoid 4 will be
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on. If toggle switch 2 is off, then
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solenoid 3 will be off and solenoid 4
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So for this example we will use normally
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open cuts and with that we will be using
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some set coils and normal coils. So
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let's move to codices where we will draw
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a ladder diagram for this example.
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Firstly, we need to create a new
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project. Let's create a new project. And
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we can set the name of the project and
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select the location here. So for now, we
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will keep the name as example 9.
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Example 9. And we need to set this
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template as standard project. And click
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we can set the programming language from
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this list and for now we will be using
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latter logic diagram and we we can also
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select the device from this uh drop-own
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list and click on Okay.
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Let's go to PLC programming here. Double
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click on it. And here we will draw the
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Firstly, we will insert
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a normally open contact for toggle
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switch one. Let's write toggle switch
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switch one. Okay. And then we will
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a set coil for solenoid one. So we'll
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insert a set coil here and we will write
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one and then we need to insert one more
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coil for solenoid 2. So we will insert a
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branch below and add a simple coil here
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So we have used a set coil for solenoid
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one and we have used a normal coil for
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solid 2. Why? Because when toggle switch
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one is turned on both the solenoid
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solenoid one and solenoid 2 should turn
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on and then when toggle switch one is
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turned off solenoid one should remain
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on. So to keep the solenoid one on even
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when we turn off the toggle switch one.
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uh we use a set coil for solenoid one.
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So this set coil will keep the solenoid
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one on even when we turn off the toggle
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switch one and the solenoid 2 for this
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solenoid 2 we have used a normal coil.
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So when we will turn off toggle switch
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one solen I2 will also turn off. But the
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solenoid one will remain on when we turn
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off to switch one because of the state
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coil we have used for this solenoid one.
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Let's insert one more network below this
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and we need to insert same and normally
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open contact but that will be for toggle
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Okay. And then we need to insert a set
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for this uh uh sorry solenoid 4. So we
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will insert a set coil for solenoid 4.
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Okay. And we need to you know open the
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branch insert a branch here and add a
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normal coil for solenoid 3. So this is
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solenoid three. So here we will uh sorry
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we will insert a coil
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uh sorry we will insert a set coil here
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a set coil and here a normal coil. So
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the set coil will be used for soleno I2
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and a normal coil will be used for
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Okay. So when toggle switch one is
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turned on solenoid one and solenoid 2
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both turn on. And when toggle switch one
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is turned off, toolenoid one will turn
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off because we have used a normal coil
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for it. But the solenoid 2 will remain
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on because we have used a set coil for
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this. Similarly, when toggle switch two
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is turned on, both the solenoid solenoid
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3 and solenoid 4 will turn on. But when
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we will turn off the toggle switch two,
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solenoid 3 will turn off because we have
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used a normal coil for the solenoid 3.
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But solenite 4 will remain on because we
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have used a set coil for solite 4. So it
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will remain on. And now let's check
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Go to online and start simulation.
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Okay. For now both the toggle switches
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are off. So is the case with the
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solenoid. All the solenoid lines are
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off. So when I turn on so toggle switch
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one. So we need to click here turn it
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through and then go to debug and write
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values. So you can see here when I
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turned on this toggle switch one
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solenoid one and solenoid 2 both the
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solenoids got blue. Both the solenoids
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are on. And then when I turn it off I
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click here and the false appears here.
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And then we will go to debug and write
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values. And you can see here solenoid
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one gets off. But the solenoid 2 is
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still true. Why? Because we have used a
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set coil for the soil 2. So the soil 2
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remains on when we turned off this
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toggle switch one. Similarly when we
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turn on this toggle switch two. So uh
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click here. Make it true here. make uh
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make it make a true appear here and then
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go to debug and write values. You can
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see here soil night 3 and so light 4
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both gets on. But when we will turn off
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this uh toggle switch two go to debug
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and write values. You can see here soil
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night 3 gets false. Solenite 3 gets off
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but the solenite 4 remains on because of
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the set coil we have used for this
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solenite. So the set coil keeps that
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output as true even when the the input
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gets off. It was all about this example.
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Thank you for watching.
