ABB SPA bus
Uses FastDDE

Platforms: - Windows 95/98 - Windows NT 3.51 - Windows NT 4.0
Protocols: SPA bus
Devices: ABB REL, SACO, SPCJ, SPCS, SPTO, and other SPA bus substation protection devices

The Industrial Communication SPABUS DDE I/O Server provides a convenient method of access to information in ABB substation protection devices using the SPA bus protocol. Any Windows application capable of acting as a DDE client can access information in ABB substation protection devices using the SPABUS DDE I/O Server. The I/O Server is optimized for communication with Wonderware InTouch, InBatch, InTrack, and IndustrialSQL Server.