Service Information
5-9
6. Turn on the Model 7001/7002 and program it to close
channels 1!1 and 1!6 (bank A, input 1 and bank B,
input 2).
7. On the Model 6517A, 60V.
8. After allowing the reading on the Model 6517A to settle,
verify that it is >1G
Ω
(10
9
Ω
). This measurement is the
leakage resistance (bank isolation) between bank A,
input 1 and bank B, input 2.
9. Turn off the Model 6517A voltage source and the Model
7001/7002.
10. Move the electrometer connections to banks B and C.
11. Using Table5-2 as a guide, repeat the basic procedure of
steps 6 through 10 for the rest of the path pairs (test
numbers 2 through 9 in the table).
Table 5-2
Bank isolation test summary
Test
number
Bank isolation
Test equipment location
Channels closed*
1
Bank A, Input 1 to Bank B, Input 2
Bank A and Bank B
1!1 and 1!6
2
Bank B, Input 2 to Bank C, Input 3
Bank B and Bank C
1!6 and 1!11
3
Bank C, Input 3 to Bank D, Input 4
Bank C and Bank D
1!11 and 1!16
4
Bank D, Input 1 to Bank E, Input 2
Bank D and Bank E
1!13 and 1!18
5
Bank E, Input 2 to Bank F, Input 3
Bank E and Bank F
1!18 and 1!23
6
Bank F, Input 3 to Bank G, Input 4
Bank F and Bank G
1!23 and 1!28
7
Bank G, Input 1 to Bank H, Input 2
Bank G and Bank H
1!25 and 1!30
8
Bank H, Input 2 to Bank I, Input 3
Bank H and Bank I
1!30 and 1!35
9
Bank H, Input 3 to Bank I, Input 4
Bank H and Bank I
1!31 and 1!36
*Assumes Model 7035 is installed in slot 1 of the mainframe. Program as slot (1) and channel.
Содержание 7035
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