The Schneider Electric TM5ACTB12 is a 12-channel Thermocouple (TC) and Millivolt (mV) Input Module for the Modicon TM5 distributed I/O system. This specialized analog module is engineered for direct, high-precision temperature measurement from a wide variety of thermocouple sensors without requiring external signal transmitters. It is a fundamental component for building reliable and compact temperature monitoring and control systems.