Schneider-Electric
 
TM3DI16G picture- web-product-data-sheet
TM3DI16G
Discrete input module, Modicon TM3, 16 inputs (spring) 24 VDC
Schneider Electric
Connections and Schema
Digital Input Module (16-channel, 24 Vdc)
Wiring Diagrams


The 4 COM terminals are connected internally
(A)
Sink wiring (positive logic)
(B)
Source wiring (negative logic)