Direct online forwarding and reverse.

Zaprinski · Oct 3, 2019

Hi I little confused now , I learn electrical installation Level 3 , but I never did before very difficult, some people working on trade is very easy.
I little be Sad because I not like leaving on course.
Someone have options I be happy working volunteer just keep experiencing.
Probably after that in the future maybe be more and more difficult for me , Level 2 was amazing 13 people, in group, 2 tutors.
Now around 20 just one .
I don’t know with the best way I keep looking everywhere for jobs .

[ElectriciansForums.net] Direct online forwarding and reverse.

Spoon · Oct 3, 2019

There are lots of people looking for experience. Lets hope you get someone who can offer you some.

Do you have a question on the Direct OnLine Forward/Reverse schematic?
Do you need it explaining to you?

Also, why not try and get into the Trainee section of the forum.

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Zaprinski · Oct 3, 2019

Yes I need the help for directonline forward and reversing, Please?
I just watched video in YouTube but is different thing .

MJPD29 · Oct 3, 2019

Hi what part is it you need help with? Did you tell your training provider your not happy with it?

Spoon · Oct 3, 2019

Ok, I will explain how the circuit above works.
This is just the 'control' section of the motor.

You have 110V going through the Stop button and Overload contact. It stops there as all the other contacts are Open.
If someone was to press the Forward Start button the this would make the circuit going through the Forward Coil and energise that contactor. This would also make the Normally Open Forward contact close, latching (locking closed) the circuit through the Forward Coil, so when the Forward Start button is released the Forward N/O contact (which is now closed) keeps the circuit.
TO open the circuit the Stop button has to be pressed or the Overload contact has to open. (This happens the the motor detects an overload)

If someone now presses the Reverse Start button then the Reverse N/C contact opens the circuit for the Forward section and makes it for the Reverse section of the circuit.

Zaprinski · Oct 3, 2019

Matthewd29 said:
Hi what part is it you need help with? Did you tell your training provider your not happy with it?

Yes , I tell them because they give me drawings and that it , nearly 20 people, this is courses for adults learning not for professional people, I can’t doing too fast because I doing different jobs now ?
Sorry for this conversation but I’m confused now ?
I probably leave in Courses ?????

Spoon · Oct 3, 2019

Zaprinski said:
I probably leave in Courses ?????

Don't leave the course, especially if you have already payed for it.
You may just have to look though YouTube & Google sites to find the information you want and to understand it better. Just keep trying.

Zaprinski · Oct 3, 2019

Spoon said:
Ok, I will explain how the circuit above works.
This is just the 'control' section of the motor.

You have 110V going through the Stop button and Overload contact. It stops there as all the other contacts are Open.
If someone was to press the Forward Start button the this would make the circuit going through the Forward Coil and energise that contactor. This would also make the Normally Open Forward contact close, latching (locking closed) the circuit through the Forward Coil, so when the Forward Start button is released the Forward N/O contact (which is now closed) keeps the circuit.
TO open the circuit the Stop button has to be pressed or the Overload contact has to open. (This happens the the motor detects an overload)

If someone now presses the Reverse Start button then the Reverse N/C contact opens the circuit for the Forward section and makes it for the Reverse section of the circuit.

Spoon said:
Don't leave the course, especially if you have already payed for it.
You may just have to look though YouTube & Google sites to find the information you want and to understand it better. Just keep trying.

I’ Not pay but I’m confused now , I know Level 3 professionalisms but , I’m there for learning?
Can You make some drawing please , still confused .After overload 95 back in start button 4 or back in Frw contactor .

[automerge]1570097205[/automerge]

Spoon · Oct 3, 2019

The wire from the Overload contact (Pin 95) will connect to FWD Start button (4), REV Start button(4), FWD N/O (14) & REV N/O (14)

James · Oct 3, 2019

erm, you are missing the 110V transformer.

Spoon · Oct 3, 2019

James the Spark1976 said:
erm, you are missing the 110V transformer.

I don't see any power going into the assembly he has set up but I'm assuming all the parts he has are the correct ones and he has the correct voltage.

Zaprinski · Oct 3, 2019

James the Spark1976 said:
erm, you are missing the 110V transformer.

No just following drawings, This is not my just example.
[automerge]1570099681[/automerge]

Spoon said:
The wire from the Overload contact (Pin 95) will connect to FWD Start button (4), REV Start button(4), FWD N/O (14) & REV N/O (14)

Spoon · Oct 3, 2019

Zaprinski said:
No just following drawings, This is not my just example.
[automerge]1570099681[/automerge]

Ok, so just so that I'm clear on this: You are just following the drawing and picture, to see how it works and not actually wiring anything up?

Zaprinski · Oct 3, 2019

This is just example, but how do you know with one contactor is Forward and with Reversing?

James · Oct 3, 2019

the forward and reverse contactors are both identical.
the difference is the power going to
forward contactor is wired L1 L2 L3 from left to right
reverse contactor is wired L3 L2 L1 from left to right
this gives either a clockwise or anticlockwise phase rotation.

it helps if you mark them as fw and rev before you start connecting anything as this will help you identify what you are wiring to.

Direct online forwarding and reverse.

Zaprinski

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Spoon

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Zaprinski

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MJPD29

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Spoon

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Zaprinski

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Spoon

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Zaprinski

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Spoon

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James

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Spoon

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Zaprinski

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Spoon

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Zaprinski

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James

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