TAP930/TAP931 Main unit
Introduction:
The main unit is responsible for data interaction with each subunit, external communication, recording function and liquid crystal display, and the function of the current unit is also provided at the same time. The main unit can be used alone in a simple system, and only one primary unit can be used in a system; when there are multiple main units, other main units should be set at specific address segments to function as current units. The main unit functions are as follows:
1. ABC and zero-sequence current hardware overcurrent detection
2. ABC and zero-sequence current acquisition
3. 4-path arc detection function
4. 2-path ultrasonic probe input
5. 4-path DI (110-220VDC/110-220VAC)
6. 4-path output
7. 4-bit nixie tube display
8. Fault and status LED indication
9. Protection current can be set
10. Dedicated data connection interface
11. Record on 100 events
12. Output overcurrent criterion
13. Faults recording
14. Summarize the recording data of each recording unit
15. Summarize the incident record of each recording unit
16. Summarize the status of each recording unit
17. Clock function
18. Support IRIG-B time protocol
19. Support MODBUS
20. Support GLPset
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