Agilent Technologies E1346A Instrukcja Obsługi Pobierz pdf (Strona 13)

Replacement

Strategy

The replacement strategy also depends on the application. If some relays are

used more often, or at higher load, than the others, the relays can be

individually replaced as needed. If all of the relays see similar loads and

switching frequencies, the entire circuit board can be replaced when the end

of life approaches. The sensitivity of the application should be weighed

against the cost of replacing relays with some useful life remaining.

NOTE

Relays that wear out normally or fail due to misuse should not be

considered defective and are not covered by the product’s warranty.

1-5 General Information

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 65 66

*E1346-90011* 1
WARNINGS 4
Printing History 4
Safety Symbols 4
Manual Descriptions 5
What’s in this Manual 6
Contents 7
General Information 9
Considerations 10
1-3 General Information 11
Loading and 12
Switching 12
Frequency Effects 12
End of Life 12
Detection 12
Strategy 13
Replacement 13
Multiplexer 14
Description 14
1-7 General Information 15
Recommended 16
Test Equipment 16
Inspection/ 16
Shipping 16
1-9 General Information 17
Guidelines 18
Verification Tests 19
2-2 Verification Tests 20
Performance 21
Verification 21
Test 2-1: Closed 22
Resistance Test 22
Chs 00-47 and 90-92 23
HI Measurements 1 23
Verification Tests 2-5 23
Ch 90-92 24
2-6 Verification Tests 24
Ch 90-92 25
Verification Tests 2-7 25
2-8 Verification Tests 26
Ch 93 LO 27
Verification Tests 2-9 27
Ch 93 GU 28
2-10 Verification Tests 28
2-12 Verification Tests 30
Verification Tests 2-13 31
2-14 Verification Tests 32
Typical Result 33
Verification Tests 2-15 33
Test 2-2: DC 34
Isolation Test 34
Verification Tests 2-17 35
Example: 36
DC Isolation Test 36
2-18 Verification Tests 36
Verification Tests 2-19 37
Test Record 38
Verification Tests 2-21 39
2-22 Verification Tests 40
Verification Tests 2-23 41
2-24 Verification Tests 42
Replaceable Parts 43
3-2 Replaceable Parts 44
Replaceable Parts 3-3 45
3-4 Replaceable Parts 46
Replaceable Parts 3-5 47
3-6 Replaceable Parts 48
Mechanical 49
Locators 49
3-8 Replaceable Parts 50
Equipment 51
Required 51
Agilent E1346A 52
Service 4-3 53
Troubleshooting 54
Techniques 54
Testing the 55
4-6 Service 56
Repair and 57
Maintenance 57
Component 58
Locators and 58
Schematic 58
Diagrams 58
Appendix A 59
Functional 59
Example: DC 65

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