Electric power network instrumentation control method
A power network and instrument technology, applied in the field of power network instrument control, can solve problems such as non-recovery and program flying out, and achieve the effect of reducing hardware requirements and costs, and simplifying software design
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[0017] In the field of instrumentation technology, especially in the field of power network instrument control technology, watchdog design technology is often used to make the system return to the normal program as soon as possible when it encounters interference. The software password method is adopted to ensure that the communication data is correct. The use of false interrupt measures makes the perfect application of watchdog technology. The inventor has found in decades of practical application that when the interrupt program runs out of the main program due to interference, normal work cannot be resumed without false interrupt measures.
[0018] The so-called interrupt program means that it must be given priority to respond to emergencies in the system or events that require real-time response. To do this, a "priority structure" is set up in the program, which must follow the following 2 basic rules:
[0019] 1. A low-priority interrupt can be interrupted by a high-prio...
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