Abstract: A printed circuit board assembly has a first printed circuit board with first and second surfaces, a plurality of electrical contact pins which pass through the first printed circuit board, wherein first ends of the contact pins are electrically contacted on the second surface by soldered elevations, and with first electrical contacts which are arranged on the second surface; and a second printed circuit board with first and second surfaces in which a plurality of blind holes are formed for receiving the first ends of the contact pins, wherein the second printed circuit board has second electrical contacts on the second surface, and the second surfaces of the first printed circuit board and the second printed circuit board are joined together such that the contact pins reach into the blind holes such that the first electrical contacts electrically contact the second electrical contacts.

Abstract: A printed circuit board assembly has a first printed circuit board with first and second surfaces, a plurality of electrical contact pins which pass through the first printed circuit board, wherein first ends of the contact pins are electrically contacted on the second surface by soldered elevations, and with first electrical contacts which are arranged on the second surface; and a second printed circuit board with first and second surfaces in which a plurality of blind holes are formed for receiving the first ends of the contact pins, wherein the second printed circuit board has second electrical contacts on the second surface, and the second surfaces of the first printed circuit board and the second printed circuit board are joined together such that the contact pins reach into the blind holes such that the first electrical contacts electrically contact the second electrical contacts.

Abstract: A connection adapter for transmitting signals of a programmable logic controller having a signal interface with electrical contact pins arranged in rows includes contact terminals for electrically contacting the electrical contact pins of the signal interface, each contact terminal being receiving one electrical contact pin of the signal interface; contact chambers for accommodating the contact terminals, each contact terminal being arranged in one contact chamber, the contact chambers being arranged in rows, with insulating elements being arranged between adjacent contact chambers; and a housing in which the contact terminals and the contact chambers are received, the housing being closed and electrically insulated.

Abstract: A connection adapter for transmitting signals of a programmable logic controller having a signal interface with electrical contact pins arranged in rows includes contact terminals for electrically contacting the electrical contact pins of the signal interface, each contact terminal being receiving one electrical contact pin of the signal interface; contact chambers for accommodating the contact terminals, each contact terminal being arranged in one contact chamber, the contact chambers being arranged in rows, with insulating elements being arranged between adjacent contact chambers; and a housing in which the contact terminals and the contact chambers are received, the housing being closed and electrically insulated.