mark vie function block ( Instructions set

I'm new to working with the control system on a gas turbine type
mark vie & I need to understand most of function block like ( comphys , min_max , select , tmr_snsr_flt, .............. ect ) pleas any one can help me

Post a complete list and someone here will try to define the meaning of the English terms. What language do you prefer?

we have frame 9 gas turbine and it controlled by mark vie frome GE , my problem How to read the program written inside the controller , And how to get the details About function block Located within the program

It is most likely that your "GE Mark VI revision e" gas-trubine program is protected, and is considered proprietary by the General Electric company. Your best hope would be to contact the manufacturer and see what (if any) they are willing to reveal.

See the following infromation from this GE Application Overview:
http://www.google.com/url?sa=t&rct=j&q=ge%20gas%20turbine%20mark%20vie&source=web&cd=1&cad=rja&ved=0CDcQFjAA&url=http%3A%2F%2Fwww.ge-mcs.com%2Fdownload%2Fcontrol-solutions%2Fmarkvie_retrofit.pdf&ei=jX2mUPrMH5Oi8QSl1oD4BA&usg=AFQjCNGK50PMM6sLqCRMzgZshS1SECnAng

"The application software is password protected and can be downloaded while the system is running. In redundant control systems, the application software in each controller is identical and represented as a single program to maintenance personnel. Downloads of changes can be automatically distributed to redundant controllers by the control system, and differences are monitored by diagnostics. All application software is stored in non-volatile memory."

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This GE Training Course in Woodlands, Texas, United States, would help you to make changes using the Mark VI GE Gas Turbine HMI operator station:
http://www.geenergytechnicaltraining.com/momentum/course_details.php?ctid=169