National Instruments 1142 用户手册
Chapter 2
Connecting Signals
2-8
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Table 2-2 shows the pin assignments for the SCXI-1141/1142/1143 module
rear signal connector. Pins without signal labels are not connected.
rear signal connector. Pins without signal labels are not connected.
Table 2-2. Rear Signal Pin Assignments
Rear Connector Diagram
Signal Name
Pin Number
Pin Number
Signal Name
NC
1
2
NC
AI 0 +
3
4
AI 0 –
AI 1 +
5
6
A GND
AI 2 +
7
8
A GND
AI 3 +
9
10
A GND
AI 4 +
11
12
A GND
AI 5 +
13
14
A GND
AI 6 +
15
16
A GND
AI 7 +
17
18
A GND
NC
19
20
NC
NC
21
22
NC
NC
23
24
DIG GND
SER DAT IN
25
26
SER DAT OUT
DAQ D*/A
27
28
NC
SLOT 0 SEL*
29
30
NC
NC
31
32
NC
DIG GND
33
34
NC
NC
35
36
SCAN CLK
SER CLK
37
38
NC
NC
39
40
NC
NC
41
42
NC
RSVD
43
44
NC
NC
45
46
NC
NC means no connection.
RSVD means reserved.
NC
47
48
NC
NC
49
50
NC
49 50
47 48
45 46
43 44
41 42
39 40
37 38
35 36
33 34
31 32
29 30
27 28
25 26
23 24
21 22
19 20
17 18
15 16
13 14
11 12
9
10
7
8
5
6
3
4
1
2