Universal Digital Input Module (16 inputs), 24, 48, 125 VDC, 120 VAC (32 jumpers), use with NTDI01, NIDI01 (also p/n YIMDSI12, PIMDSI12).
The Bailey Controls IMDSI12 (manufactured by ABB/Elsag Bailey) is a universal digital input slave module used within the INFI 90 and NET 90 distributed control systems. It interfaces process field signals with the control system, typically processing up to 16 separate inputs.