Major systems we use:
GE Mark VI, VIe, MultiLin - Woodward Governor Micronet - ABB Infi-90 DCS - Schweitzer Engineering Labs - Emerson Deltav Process controls (M+, H1, CIOC, SQ, SX, VIM, EIOC) Safety controls (CSLS, SZ, LSNB), Hirschman based Emerson network devices, Rockwell controls/coms (5070/1756-EN2T/EN2TR) Protocols modbus (serial /tcp), Foundation Fieldbus, GOOSE, OPC/OPCDA and other, smaller systems...