Be aware that, depending on the type of controller (hardware and interconnection module) part of the inputs can be connected on a printed circuit board of the controller to internal resources.
Kuwa na ufahamu kwamba, kulingana na aina ya mtawala (vile vifaa na moduli sammankoppling) sehemu ya pembejeo yanaweza kushikamana juu ya bodi ya kuchapishwa mzunguko .