The ABB SPNIS21 Network Interface Slave Module, also known as INNIS21, is a critical component for integrating external devices and networks into ABB's Bailey Infi 90 Distributed Control System (DCS). This module enables the DCS to communicate with other systems, enhancing the system's connectivity and interoperability within industrial environments.The SPNIS21 module acts as a slave interface, receiving commands and data from a master controller or another networked device. It is designed to facilitate communication between the Bailey Infi 90 DCS and external networks or devices, allowing for expanded control and monitoring capabilities.
The INNIS21 module is available in several alternate part numbers, including SPNIS21, YINNIS21, RINNIS21, PINNIS21, and INNIS21R, demonstrating its versatility and wide range of applications in different configurations of the Bailey Infi 90 DCS.
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