The analog input system, including current and voltage generation and analog-to-digital conversion modules, completes the function of accurately converting analog input into digital quantities
2. Data processing unit
refers to the microcomputer main system, including microprocessors, read-only memory, random access memory, timers, and parallel interfaces.
. The microprocessor executes various protection programs stored in the program memory, analyzes and processes the data input from the data acquisition system to the random access memory, in order to complete various relay protection functions3. Digital input/output interface
refers to the switch input/output system, which is composed of several parallel interfaces, optocouplers, and intermediate relays to complete various protection functions such as outlet tripping, signal alarm, external contact input, and human-machine dialogue.
4. Communication interface
includes communication interface circuits and interfaces to achieve multi machine communication or networking.
5. Power supply
The power supply required for the normal operation of the microcomputer protection device.
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China