https://staging.grayhill.com/products/control-products/i-o-modules/i-o-modules-i-o-modules/70x-iac/70g-iac5/
70G-IAC5 | Grayhill
grayhill
https://www.logicbus.com/DR-IAC5_p_990.html
120V AC/DC Isolated Input Module DR-IAC5
120 Volt AC/DC Isolated Input Module DIN Rail Mount/ 5V Logic Levels
ac dcinput moduleisolateddr