Reddit mentions of Programmable Logic Controllers: An Emphasis on Design and Application, 2nd Edition

Here are 2 recommended from this forum. I haven't got to reading them yet but they were well reviewed.

https://www.amazon.com/Control-System-Design-Guide-Fourth/dp/0123859204/?pldnSite=1

https://www.amazon.com/Programmable-Logic-Controllers-Emphasis-Application/dp/097662592X/ref=sr_1_3?ie=UTF8&qid=1465689582&sr=8-3&keywords=PLCs+an+emphasis

Allen-Bradley PLCs: An Emphasis on Design and Application

If you're working with allen bradley PLCs, this is an incredible book. There is a thicker version that encompasses more brands of PLCs. I have both and they are incredible books that take you from zero to advanced quite fast. It's very detailed and encompasses most instructions. They touch on networking but if you are looking for an incredibly detailed book on it, I am actually looking for the same

The description of the problem doesn't call for latch/unlatch. In general, never use latch/unlatch if you can get away with it.

Start Stop
I:1/1 I:1/2 B3:0/0
---| |---------| |------------------( )-----
|
B3:0/0 |
---| |-----

That should help with a start.

It is expensive, but my professors book was great when I was in school.

http://www.amazon.com/Programmable-Logic-Controllers-Emphasis-Application/dp/097662592X/ref=sr_1_1?ie=UTF8&qid=1381409292&sr=8-1&keywords=programmable+logic+controllers+erickson


Edit: well the format didn't come through very well. Use this link to get an example of a start/stop circuit. http://tinyurl.com/kpw2ynh. A would be Start, B would be Stop, and C would be B3:0/0