Phoenix Contact 2296553 An V8 adapter is used for connecting to 8 x PLC-interface modules with a diameter of 6.2mm, which are part of a controller's cabling system for input cards, featuring three different connection types including an IDC/FLK pin strip with 14 positions, a plug-in connection that can be snapped onto the PLC-Interface terminals, and a screw connection for one of two positions. The V8 adapter supports eight channels and implements positive switching control logic.