All controlling commands and controlling signals for analog and digital inputs and outputs are done in various parts of the equipment by Rack MOUNT cards. The number of these cards is significant in equipment and includes various software and hardware components and controls the important parts of the equipment. The steps that have been taken to design and manufacture these controller cards are as explained down below: 

- Hardware design and manufacture of analog and digital controlling cards
- Calibration of analog cards
- Back uping of the software sections of the mentioned cards