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ni.com
Chapter 3
Digital I/O
NI 6512 Signal Descriptions
Table 3-3.
NI 6512 Signal Descriptions
Pin Number
Signal Name
Input or
Output
Signal Description
1, 2, 3, 4, 5, 6, 7, 8, 13, 14,
15, 16, 17, 18, 19, 20, 26, 27,
28, 29, 30, 31, 32, 33, 38, 39,
40, 41, 42, 43, 44, 45, 51, 52,
53, 54, 55, 56, 57, 58, 63, 64,
65, 66, 67, 68, 69, 70, 76, 77,
78, 79, 80, 81, 82, 83, 88, 89,
90, 91, 92, 93, 94, 95
P<0..7>.<0..7>
Output
Data lines for ports
0 through 7
9, 21, 34, 46, 59, 71, 84, 96
P<0..7>.COM
(GND)
Input
Ground for ports
0 through 7;
isolated from the
computer power
supply
10, 11, 12, 22, 23, 24, 35, 36,
37, 47, 48, 49, 60, 61, 62, 72,
73, 74, 85, 86, 87, 97, 98, 99
P<0..7>.VCC
Input
Power lines for ports
0 through 7
25, 75
NC
—
No connection
50, 100
P<6..7>.+5V
Output
+5 V for ports 6 and 7