Relic
I would need more information to be able to say for sure but I think something like the Siemens logo would do what you need. Follow links to the web site.
General info
http://www.automation.siemens.com/logo/index_76.html
Catalogue
http://www.automation.siemens.com/sa...n/st70k1ae.pdf
Other manufacturers make similar devices.
Its programming language is based on logic so AND OR NOT type blocks.
Its a long time since I used one but I think you can program using the front panel so no need for connector leads and software.
Sparky