Allen-Bradley 1746-IM8 SLC 500 8-Channel AC Input Module By wayne No Comments on Allen-Bradley 1746-IM8 SLC 500 8-Channel AC Input Module 3 Min Read Buy the Allen-Bradley 1746-IM8 SLC 500 digital AC input module. It features 8 channels and a 170-265V AC range. Ideal for industrial automation.