PLC Function Block

<...Can anyone tell me where to go buy or down load a doc about function block that can allow me to understand...>

Siemens can. A phone call to them, perhaps?

Take a look at this wiki article. It should tell you enough about Siemens PLC's to guide you to a more informative question. Specifcity is the key since we can't be there with you. P.S. I'm guessing that if your boss doesn't have time for you, he doesn't know either!

http://en.wikipedia.org/wiki/Simatic_S5_PLC

Interesting (sad?) that you are being asked to service the equipment yet they don't seem to think it necessary to get you trained on the Siemens PLCs. Of course, S-5 training is more difficult to come by now because that PLC has been replaced by the S-7, but any decent Siemens Technology Center* should be able to help.

*STC = Siemens distributors who are trained and authorized to sell their PLCs (not all Siemens distributors are allowed to)

I always wanted to learn how to read and understand each of the FBD of the ALSPA and ABB advant controllers not untill i had to find the User manual that helped explain every Block. I tried to find it from the internet but i couldn't get what i wanted.

So try and find the User manual you will be able to learn as i did. Some peaple often want to keep their knowledge so that they can always be given the first call in case of aproblem. Generally evrey maufacturer has their own way of designing FBDs depending on their interests, but if you learn them they are too easy to use.

Thanks all of you Olivinak you are right and I have suspected that because I have ask to be train he told me he will take of it.But Ill not quite if I have to by a use manual ill.Again it's feel good to know that there is gentlemen as you guys here to help .God bless you all

Hello Abdou, I am not in sales, but I do work for FasTrak SoftWorks, and we have software for the S5 processors that uses funtion block. There is training on that. I'm one of the trainers, but not on that product. You can email me or reply if you want more information.

Hi I do want to have information.I live in Houston do you have online or distance learning.I'm interested,because it will help me.

some blocks of code cannot be opened/viewed or modified but you can view the inputs and the outputs. One example is the PID block from Siemens. As Jraef pointed out, it is quite sad that people are expected to maintain/ troubleshoot equipment without being given the necessary training.

yes you are right but Ill not quite Ill ask help and buy documentation and prove my supervisor that I don't wait for miracle to happen.Thanks all of you