INPPT01 Plant Loop to Plant Loop Transfer Module, PPR Driver, part of INPPR01 (also part no YINPPT01, PINPPT01).
The Bailey Controls INPPT01 (often listed as INPPT-01) is a Plant Loop to Plant Loop Transfer Module designed for the Bailey INFI 90 and Net 90 distributed control systems (DCS). It is typically used for data transfer and communications between different process loops in legacy industrial automation setups.