Omron EJ1N-TC4A-QQ 4-Channel Thermocouple Input Module

Omron EJ1N-TC4A-QQ is a four-channel thermocouple input module that interfaces with an Omron control system. Each of the four channels accepts a thermocouple signal, allowing simultaneous temperature readings across multiple points for monitoring, control, or data logging in industrial automation environments. The EJ1N-TC4A-QQ designation denotes a four-channel configuration within the EJ1N family, offering a compact solution for wiring efficiency and simplified maintenance. When paired with a compatible Omron controller, this module supports temperature sensing applications such as process temperature control, equipment monitoring, and safety interlocks.