Acromag 1767-Y-U-1 Square Root Extractor Module is a discontinued Acromag PLC module designed to provide a square-root function for analog signals in control systems. This 1767‑Y‑U‑1 unit is specified for 115 VAC operation at 50/60 Hz and draws about 0.1 A, with a listed 20 mA current specification, and it weighs roughly 1.72 lb, making it a compact rack‑mount option for PLC or machine‑control backplanes. Marked as discontinued by the manufacturer, this module commonly appears in surplus listings, with related variants such as 1767‑Y‑U‑1‑M also referenced in the market.
