Allen-Bradley 1762-IT4 Thermocouple & Millivolt Input Module By wayne No Comments on Allen-Bradley 1762-IT4 Thermocouple & Millivolt Input Module 3 Min Read The Allen-Bradley 1762-IT4 provides four thermocouple channels with 15-bit resolution for your MicroLogix 1200 system. It supports nine sensor types and millivolt signals.