4.2
WorkstationST GSM Protocol
The WorkstationST-based GSM Server (GE Standard Messaging) is typically used for the exchange of unit-level control and
alarm data between Mark Controls equipment and a plant-level Distributed Control System (DCS).
The WorkstationST OPC DA server provides the GSM server with the following:
•
Periodic reading of variables from Mark controllers
•
Writing of variables to Mark controllers
The WorkstationST Alarm server provides the GSM server with the following:
•
Alarm and event data from Mark controllers with time resolution equal to the controller frame rate
•
Path for alarm commands from DCS to Mark controllers
GSM Server Example
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