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Chroma USA 8000 Manuale Utente

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Switching Power Supply ATS
Comprehensive Test Items
The Model 8000 automatic power supply test system comes standard with an off-the-shelf test item library covering most industry standard
power supply tests.  Unlike traditional ATE software, users do not need to have programming language background to create new test
items.  Instead the Model 8000 allow users to use pre-compiled test items and to simplify defining test conditions and specifications.
The comprehensive test items cover 7 categories of power supply testing requirements. OUTPUT PERFORMANCE checks the general
performances of the UUT. INPUT CHARACTERISTIC verifies the input parameters of a power supply. REGULATION tests the stability of
the UUT under varying line-in and loading changes. TIMING AND TRANSIENT measures the transient state during turn-on, turn-off or
when events occurred. PROTECTION TESTS triggers the protection circuit of the power supply. Finally, the SPECIAL TEST and the
SPECIAL FEATURES  provides means to test the most sophisticated power supplies when unique test routines are needed.
*These test items need to be created by users by using test item editor due to the variety of the UUTs.
And unlimited customized or user defined test items are allowed. 
OUTPUT PERFORMANCES 
1. DC output voltage
2. DC output current
3. Peak-Peak noise
4. RMS noise
5. Current ripple
6. Efficiency
7. In-test adjustment
8. Power good signal
9. Power fail signal
10. P/ S ON signal
11. Extended measure
12. Waveform capture
13. Overshoot voltage
INPUT CHARACTERISTICS
14. Inrush current 
15. Input RMS current
16. Input peak current
17. Input power
18. Current harmonics against regulations
19. Input power factor
20. Input voltage ramp (brownout)
21. Input freq. ramp
22. AC cycle drop out
23. PLD simulation 
REGULATION TESTS
24. Current regulation 
25. Voltage regulation
26. Combine regulation 
27. Total regulation
TIMING AND TRANSIENT
28. Power on sequence 
29. Power off sequence
30. Transient response time 
31. Transient spike
32. Turn ON time
33. Rise time
34. Fall time
35. Hold-up time
36. Extra timing 
37. Tracking
38. Swing check
PROTECTION TESTS
39. Short circuit 
40. OV protection
41. UV protection
42. OL protection
43. OP protection
SPECIAL TESTS
44. Fan speed 
45. Auto alignment test*
46. Correlation test
47. UUT measurement verification test*
48. High di/ dt loading test
SPECIAL FEATURE 
49. Can bus read/ write
50. I
2
C read/ write
51. GPIB read/ write
52. RS-232 read/ write
53. RS-485 read/ write
54. TTL signal control
55. Relay control
56. Bar code scan* 
57. DMM measure