Siemens Indus.Sector LOGO! 6/7 6ED1055-1FB10-0BA0 8E / 8A Rel. LOGO PLC Digital input / output module 4025515071365 (electronic)
Basically, a practical, robust module. Point deduction's for the really ingenious connection to logic module. It is disguised as a voltage selector (of course only for the novice), and, once connected, I could not solve it. The instructions provided
