Keithley 7021 Instruction Manual page 35

Card Connections and Installation
5V
10K
Input
10K
GND
2 2a
V
5V
EXT
34 2b
10K
GND
2 2a
43
11b
75
11c
13
13a
14
14a
46
14b
47
15b
19
19a
80
16c
18
18a
53
21b
85
21c
23
23a
24
24a
56
24b
57
25b
29
29a
90
26c
28
28a
Figure 4-9
Multi-pin connector card terminal identification
4-6
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32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
c
b
a
Channel Schematic Connector
Designator Designator
1 3 3a
2 5 5a
3 7 7a
4 35 3b
5 37 5b
6 39 7b
7 65 1c
8 67 3c
9 69 5c
10 71 7c
Output Schematic Connector
Channel Designator Designator
31 4 4a
32 6 6a
33 8 8a
34 36 4b
35 38 6b
36 40 8b
37 66 2c
38 68 4c
39 70 6c
40 72 8c
Bank A
H
Channel 1
L
H
Channel 2
74
L
10c
H
Channel 6
L
H
Channel 7
79
L
15c
H
Channel 11
L
H
Channel 12
50
L
18b
H
Channel 16
L
H
Channel 17
84
L
20c
H
Channel 21
L
H
Channel 22
89
L
25c
H
Channel 26
L
H
Channel 27 Output
60
L
28b
View from pin side of connector
1
1a Short pins
1 (1a) and 33 (1b)
to close output
12
33
H
relays
12a
1b
44
L
12b
45
H
13b
41
9b 77
L
13c
Shield
Connection
15
9
H
15a
9a
76
L
12c
17
H
17c
10
78
L
10a
14c
11
16
11a H
16a
42 48
L
10b 16b
73 49
H
9c 17b
81
94
L
17c
30c
51
96
H
19b
32c
83
L
19c
21
H
21a
82
L
18c
20
H
20a
52
L
20b
22
H
22a
54
L
22b
55
H
23b
87
L
23c
25
H
25a
86
L
22c
27
H
27a
88
L
24c
26
H
26a
58
L
26b
59
H
27b
91
L
27c
61
H
29b
93
L
29c
31
H
31a
92
L
28c
95 30
H H
31c 30a
A
63 62
L L
31b 30b
Bank B
Channel 3
Channel 4
Channel 5
Channel 8
Channel 9
Channel 10
Channel 13
Channel 14
Channel 15
Channel 18
Channel 19
Channel 20
Channel 23
Channel 24
Channel 25
Channel 28
Channel 29
B
Channel 30 Output
64
H
32b
32
L
32a