Schneider-Electric
 
TM3DI8 picture- web-product-data-sheet
TM3DI8
Discrete input module, Modicon TM3, 8 inputs (screw) 24 VDC
Schneider Electric
Connections and Schema
Digital Input Module (8-channel, 24 Vdc)
Wiring Diagram


The 3 COM terminals are connected internally.
(A)
Sink wiring (positive logic)
(B)
Souce wiring (negative logic)