Schneider Electric TM3DI16G Modicon TM3 - 16 inputs (spring) 24Vdc. This product is part of the Modicon TM3 range, an offer of expansion I/O modules for Modicon M221, M241, M251 and M262. The discrete input module provides 16 inputs with sink or source (positive/negative) logic. Official Schneider characteristics include Range of product: Modicon TM3; Product or component type: Discrete input module; Range compatibility: Modicon M241 Modicon M251 Modicon M221 Modicon M262; Device application: Industrial application; Discrete input number: 16; Discrete input voltage: 24 V DC; Discrete input logic: Sink or source (positive/negative); Discrete input compatibility: 16 conforming to IEC 61131-2 type 3.