ABB Symphony DCS cards are essential components inserted into the
ABB Symphony Distributed Control System (DCS), which is widely used in industries like power plants, oil refineries, and chemical plants for process control and monitoring. These cards come in various types, including CPU cards, I/O cards, and communication cards, each serving a specific function such as processing data, connecting field devices, and facilitating communication with other devices. The selection of DCS cards depends on factors like the type of process, the number of field devices, and the communication protocols required.
