National Instruments 321906B-01 Manuale Utente
Chapter 1
Routing Signals with Your NI 2501/2503
1-8
©
National Instruments Corporation
Figure 1-4. Front Connector Pinout Assignments to Create a 6 x 4 Matrix
For matrix mode, connect all pins with the same name together external to
the switch card. The National Instruments TB-2606 terminal block
connects the necessary pins to create the 6 x 4 matrix.
the switch card. The National Instruments TB-2606 terminal block
connects the necessary pins to create the 6 x 4 matrix.
COL5–
COL4–
COL3–
COL2–
COL1–
COL0–
GND
+5 V
ROW3–
ROW2–
COL5–
COL4–
COL3–
COL2–
COL1–
COL0–
AB1– (ROW2–)
AB0– (ROW0–)
COL5–
COL4–
COL3–
COL2–
COL1–
COL0–
ROW1–
ROW0–
COL5–
COL4–
COL3–
COL2–
COL1–
COL0–
CJS–
1
1
35
2
36
3
37
4
38
5
39
6
40
7
41
8
42
9
43
10 44
11 45
12 46
13 47
14 48
15 49
16 50
17 51
18 52
19 53
20 54
21 55
22 56
23 57
24 58
25 59
26 60
27 61
28 62
29 63
30 64
31 65
32 66
33 67
34 68
COL5+
COL4+
COL3+
COL2+
COL1+
COL0+
EXT_TRIG_IN
SCAN_ADV
ROW3+
ROW2+
COL5+
COL4+
COL3+
COL2+
COL1+
COL0+
AB1+ (ROW2+)
AB0+ (ROW0+)
COL5+
COL4+
COL3+
GND
COL2+
COL1+
COL0+
ROW1+
ROW0+
COL5+
COL4+
COL3+
COL2+
COL1+
COL0+
CJS+
1
1_WIRE_LO_REF
1
1
not used in matrix mode