21 Analog input module XN-322-7AI-U2PT21.2 Pin assignmentXN300 slice modules 06/16 MN050002 EN www.eaton.com 14921.2 Pin assignmentFigure 83: Pin assignmenta X1– 1+ analog input 1+(KTY+)– 1- analog input 1- /AGND(KTY-)– 2+ analog input 2+– 2- analog input 2-/AGNDb X2– 3+ analog input 3+– 3- analog input 3-/AGND– 4+analog input 4+– 4- analog input 4-/AGNDc X3– 3+ analog input 3+– 3- analog input 3-/AGND– SH analog input 4+– SH analog input 4-/AGNDd X4– R reference output– R reference output– R reference output– R referencee X5– R reference– R reference– K+ KTY+ analog input– K- KTY- analog inputX11+1-2+2-SUX23+3-4+4-X35+5-6+6-X4RRRRX5RRK+K-7AIU2PT①②③④⑤