Siemens Simatic S7-300 PLC Repair

366Pete

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Replacing Blown fuse in a S7-300 PLC.
OMF 125V 4A part# 693-3404.0016.11

Опубликовано:

8 фев 2020

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Комментарии : 21

@diy-remont 10 месяцев назад

thank you. this is the only one video i've found where is shown that mainboard simply needed some force to get out.

@m.rgh.i9199 3 года назад

Such technical videos give me as fresh graduated hope.

@syufrijal 3 года назад

so cool...siemens simatic S7-300 PLC can be repaired

@olejnizak 3 года назад

Very useful information. Thanks!

@em5098 3 года назад

Good work !

@faizalraazy91 Год назад

Great job

@marvinlapuz933 3 года назад

We have one of this S7-300 CPU 314, no LED lights at all or no power.supply verified is good. Im not a tech but a purchaser but I'm wondering if the unit is still repairable?

@366Pete 3 года назад

Could be Fixable. It doesn't hurt to open it up if its all ready broke.

@indradwika659 4 месяца назад

@366pete great job sir, according on your experience, what about the program we have inside CPU sir?, is it lost or is it still there?

@366Pete 4 месяца назад

It's on the memory card

@indradwika659 4 месяца назад

thanks for your video and experience sir 👍👍👍

@OutOfStateSXS 2 года назад

Nice video question do you know where is the battery on this unit?

@spyrox 11 месяцев назад

That version of S7-300 doesn't have 3.5v Battery. They use a capacitor.

@indradwika659 4 месяца назад

@@spyrox how about the programme sir, it will be dissapear or not when cpu doesnt have power supply?

@spyrox 4 месяца назад

@@indradwika659 the program is saved in the MMC. You lost just the remanent data, but not the program.

@Aerobix Месяц назад

How do you fix the problem with all led lights blinking and flashing?

@366Pete Месяц назад

Automatically when plc boots up and hardware configuration matches program.

@Aerobix Месяц назад

@@366Pete Ok let's see I got my hands on a broken s300 for 5 bucks ;)

@catatansicoy 14 дней назад

I've replacement the fuse but the LED still off and the fuse cut off again

@366Pete 14 дней назад

3:24 check across mov to see if shorted. PLC will work with removed but will not have over voltage protection until replaced.

@ImranImran-xq8kl 3 года назад

Please I am learn this .