SPDSI14 | ier for ABB SPDSI14

ABB Bailey SPDSI14 Symphony Plus 14-Channel Galvanically Isolated Digital Input Slave Module (INFI 90 / Harmony DCS Platform) Alternative factory ID: DSI14 Symphony Digital Input Card Core Function Core Function SPDSI14 is a rack-mounted discrete input I/O card built exclusively for ABB Symphony distributed control systems. It collects binary on/off field signals from industrial switches, limit contacts, relay statuses, door interlocks, and alarm sensors, converts raw field signals into standardized digital data, and transmits processed status values to Symphony multi-function controllers over dual redundant Controlway RS485 bus. 14 independent optically isolated digital input channels to eliminate ground loop noise in high-EMI factory environments Supports dry contact, 24VDC sink/source d