ABB SPDSI22 is a digital input module used in ABB's Advant Master distributed control system. It is designed to provide high-density digital input channels for process automation and control applications.
The SPDSI22 module offers 16 digital input channels, which can be used to detect the state of discrete signals from field devices such as switches, sensors, and transmitters. The module has a response time of less than 1 millisecond and can handle input signals in the range of 12-48 VDC.
The SPDSI22 module is designed to be installed in an Advant Master system rack and is connected to the system's communication bus via a backplane connector. The module can be configured and monitored using ABB's control system software tools.
Overall, the SPDSI22 module is a reliable and flexible solution for digital input signal acquisition in industrial process automation and control applications.