Training Considerations

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Remove Legacy System Install PLC Based System • Disadvantage • The biggest disadvantage is the loss of a hardwired “back-up” control system. If the PLC/HMI system malfunctions then the unit(s) is shutdown until the control system is repaired. • The loss of the “back-up” control system can be somewhat mitigated with redundancy design in the PLC/HMI system. However, this will increase cost and off-set any savings gained from not implementing a Hybrid system.
Maintain Legacy System Install PLC/HMI Based System (Hybrid)
Page 1 and 2: Control System Design Concepts Desi
Page 3 and 4: Control System Design Concepts •
Page 5 and 6: Legacy Hardwired System • Advanta
Page 7: Remove Legacy System Install PLC Ba
Page 11 and 12: Hybrid System • Disadvantages •
Page 13 and 14: RTU • Advantages • Low initial
Page 15 and 16: Design Approaches • Distributive:
Page 17 and 18: Centralized Design FACILITY CONTROL
Page 19 and 20: Governor Controls • Fly Ball •
Page 21 and 22: Redundancy • Power Supply Redunda
Page 23 and 24: Training Considerations • Modern
Page 25: Summary • Each stakeholder—owne

Training Considerations

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