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What are the common steps for customized emergency backup power supply
- Categories:emergency backup power supply
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- Time of issue:2021-08-16 13:56
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(Summary description)A customized emergency backup power supply is a power supply used for power protection and fire safety. It is widely used in energy-saving power supplies, architectural lighting, fire-fighting elevators, etc.
What are the common steps for customized emergency backup power supply
(Summary description)A customized emergency backup power supply is a power supply used for power protection and fire safety. It is widely used in energy-saving power supplies, architectural lighting, fire-fighting elevators, etc.
- Categories:emergency backup power supply
- Author:
- Origin:
- Time of issue:2021-08-16 13:56
- Views:
A customized emergency backup power supply is a power supply used for power protection and fire safety. It is widely used in energy-saving power supplies, architectural lighting, fire-fighting elevators, etc. Due to the quality of the circuit breaker, when the output circuit is seriously overloaded or short-circuited, it should be disconnected without interruption. This will cause the internal failure of the customized emergency backup power supply. The following is a detailed introduction to seven common maintenance steps.
Seven steps of customized emergency backup power supply repair:
1. Check the customized emergency backup power supply, not only use a multimeter to check the voltage, but also use an oscilloscope to check the voltage waveform.
2. To check whether the crystal oscillator has started to oscillate, you can use an oscilloscope to check the waveform of the crystal oscillator pin to be checked.
3. Check whether the reset signal is normal, and whether the reset pulse is correctly sent to the reset pin of the CPU chip.
4. Any open circuit or short circuit of the data bus, address bus or control bus in the customized emergency backup power supply may cause malfunction. It can be judged by comparing the resistances of parallel buses to compare whether one of the buses is faulty or observe the waveforms of each bus.
5. The customized emergency backup power supply interface chip is a component type with more broken components. It can be replaced or tested by special equipment to determine whether it is damaged.
6. Failures found through line testing and component testing, including line repair, component replacement and conversion.
7. Test the customized emergency backup power supply after troubleshooting, and before loading the machine, please perform an offline loading test. After passing the test, you can perform a load test and use it on the machine.
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