NI 62xx/63xx Pinout Labels for the SCB-68A

This document provides pinout labels for National Instruments (NI) 62xx and 63xx series multifunction I/O modules and devices when used with the SCB-68A shielded connector block. It offers connector-specific pinout labels for easy connection reference.

This document provides labels for the following models:

NI 6220/6221/6224/6225/6229
NI 6250/6251/6254/6255/6259
NI 6280/6281/6284/6289
NI 6320/6321/6323
NI 6341/6343/6345
NI 6351/6353/6355/6356/6358
NI 6361/6363/6365/6366/6368
NI 6375/6376/6378

Connector 0: SCB-68A Default Pinout Label

Figure 1 shows the default pinout label for NI 62xx/63xx Connector 0.

Diagram Description:

The SCB-68A Quick Reference Label for Connector 0 (AI 0-15) illustrates three configurations for temperature sensor connections:

Temp Sensor Enabled (Single-Ended): Depicts a temperature sensor connected between an analog input channel (AI 0) and AI GND. A VT (Voltage/Temperature) signal is indicated.
Temp Sensor Disabled (Factory Default): Shows the pins for AI 0 and AI 0- marked as NC (No Connect).
Temp Sensor Enabled (Differential): Shows a temperature sensor connected between two analog input channels (AI 0+ and AI 0-), with AI GND as a reference.

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Analog Channels

Pin	Signal
68	AI 0 (AI 0+)
34	AI 8 (AI 0-)
67	AI GND
33	AI 1 (AI 1+)
66	AI 9 (AI 1-)
32	AI GND
65	AI 2 (AI 2+)
31	AI 10 (AI 2-)
64	AI GND
30	AI 3 (AI 3+)
63	AI 11 (AI 3-)
29	AI GND
62	AI SENSE
28	AI 4 (AI 4+)
61	AI 12 (AI 4-)
27	AI GND
60	AI 5 (AI 5+)
26	AI 13 (AI 5-)

Analog/Digital Channels

Pin	Signal
59	AI GND
25	AI 6 (AI 6+)
58	AI 14 (AI 6-)
24	AI GND
57	AI 7 (AI 7+)
23	AI 15 (AI 7-)
56	AI GND
22	AO 0
55	AO GND
21	AO 1
54	AO GND
20	APFI 0
53	D GND
19	P0.4
52	P0.0
18	D GND

Digital Channels (Left Group)

Pin	Signal
51	P0.5
17	P0.1
50	D GND
16	P0.6
49	P0.2
15	D GND
48	P0.7
14	+5V
47	P0.3
13	D GND
46	PFI 11/P2.3
12	D GND
45	PFI 10/P2.2
11	PFI 0/P1.0
44	D GND
10	PFI 1/P1.1

Digital Channels (Right Group)

Pin	Signal
1	PFI 14/P2.6
35	D GND
2	PFI 12/P2.4
36	D GND
3	PFI 9/P2.1
37	PFI 8/P2.0
4	D GND
38	PFI 7/P1.7
5	PFI 6/P1.6
39	PFI 15/P2.7
6	PFI 5/P1.5
40	PFI 13/P2.5
7	D GND
41	PFI 4/P1.4
8	+5V
42	PFI 3/P1.3
9	D GND
43	PFI 2/P1.2

Connector 1: NI 62xx/63xx Connector 1

Use the following label if you are connecting the SCB-68A to Connector 1 of the NI 6224/6229/6254/6259/6284/6289 and NI 6323/6343/6353/6358/6363/6368/6378 models.

Figure 2 shows the pinout label for NI 62xx/63xx Connector 1.

Diagram Description:

The SCB-68A Quick Reference Label for Connector 1 (AI 16-31) illustrates the same three configurations for temperature sensor connections as for Connector 0:

Temp Sensor Enabled (Single-Ended): Depicts a temperature sensor connected between an analog input channel (AI 0) and AI GND. A VT (Voltage/Temperature) signal is indicated.
Temp Sensor Disabled (Factory Default): Shows the pins for AI 0 and AI 0- marked as NC (No Connect).
Temp Sensor Enabled (Differential): Shows a temperature sensor connected between two analog input channels (AI 0+ and AI 0-), with AI GND as a reference.

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Analog Channels

Pin	Signal
68	AI 16 (AI 16+)
34	AI 24 (AI 16-)
67	AI GND
33	AI 17 (AI 17+)
66	AI 25 (AI 17-)
32	AI GND
65	AI 18 (AI 18+)
31	AI 26 (AI 18-)
64	AI GND
30	AI 19 (AI 19+)
63	AI 27 (AI 19-)
29	AI GND
62	AI SENSE
28	AI 20 (AI 20+)
61	AI 28 (AI 20-)
27	AI GND
60	AI 21 (AI 21+)
26	AI 29 (AI 21-)

Analog/Digital Channels

Pin	Signal
59	AI GND
25	AI 22 (AI 22+)
58	AI 30 (AI 22-)
24	AI GND
57	AI 23 (AI 23+)
23	AI 31 (AI 23-)
56	AI GND
22	AO 2
55	AO GND
21	AO 3
54	AO GND
20	NC/APFI 1
53	D GND
19	P0.12
52	P0.8
18	D GND

Digital Channels (Left Group)

Pin	Signal
51	P0.13
17	P0.9
50	D GND
16	P0.14
49	P0.10
15	D GND
48	P0.15
14	+5V
47	P0.11
13	D GND
46	P0.27
12	D GND
45	P0.26
11	P0.16
44	D GND
10	P0.17

Digital Channels (Right Group)

Pin	Signal
1	P0.30
35	D GND
2	P0.28
36	D GND
3	P0.25
37	P0.24
4	D GND
38	P0.23
5	P0.22
39	P0.31
6	P0.21
40	P0.29
7	D GND
41	P0.20
8	+5V
42	P0.19
9	D GND
43	P0.18

Connector 1: NI 6225/6255/6345/6355/6365/6375 Connector 1

Use the following label if you are connecting the SCB-68A to Connector 1 of models that feature extended AI functionality, such as the NI 6225/6255 and NI 6345/6355/6365/6375.

Figure 3 shows the pinout label for NI 6225/6255/6345/6355/6365/6375 Connector 1.

Diagram Description:

The SCB-68A Quick Reference Label for Connector 1 (AI 16-79) for these specific models indicates a 'Direct Feedthrough' configuration, meaning the pins are directly routed without specific sensor configurations shown.

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Analog Channels (Group 1)

Pin	Signal
68	AI 16 (AI 16+)
34	AI 24 (AI 16-)
67	AI 25 (AI 17-)
33	AI 17 (AI 17+)
66	AI 26 (AI 18-)
32	AI 18 (AI 18+)
65	AI 19 (AI 19+)
31	AI 27 (AI 19-)
64	AI 28 (AI 20-)
30	AI 20 (AI 20+)
63	AI 29 (AI 21-)
29	AI 21 (AI 21+)
62	AI 22 (AI 22+)
28	AI 30 (AI 22-)
61	AI 31 (AI 23-)
27	AI 23 (AI 23+)
60	AI 40 (AI 32-)
26	AI 32 (AI 32+)

Analog Channels (Group 2)

Pin	Signal
59	AI 33 (AI 33+)
25	AI 41 (AI 33-)
58	AI 42 (AI 34-)
24	AI 34 (AI 34+)
57	AI 43 (AI 35-)
23	AI 35 (AI 35+)
56	AI SENSE 2
22	AI GND
55	AI 36 (AI 36+)
21	AI 44 (AI 36-)
54	AI 45 (AI 37-)
20	AI 37 (AI 37+)
53	AI 46 (AI 38-)
19	AI 38 (AI 38+)
52	AI 39 (AI 39+)
18	AI 47 (AI 39-)

Analog Channels (Group 3)

Pin	Signal
51	AI 56 (AI 48-)
17	AI 48 (AI 48+)
50	AI 57 (AI 49-)
16	AI 49 (AI 49+)
49	AI 50 (AI 50+)
15	AI 58 (AI 50-)
48	AI 59 (AI 51-)
14	AI 51 (AI 51+)
47	AI 60 (AI 52-)
13	AI 52 (AI 52+)
46	AI 53 (AI 53+)
12	AI 61 (AI 53-)
45	AI 62 (AI 54-)
11	AI 54 (AI 54+)
44	AI 63 (AI 55-)
10	AI 55 (AI 55+)

Analog Channels (Group 4)

Pin	Signal
1	AI 71 (AI 71+)
35	AI 79 (AI 71-)
2	AI 78 (AI 70-)
36	AI 70 (AI 70+)
3	AI 69 (AI 69+)
37	AI 77 (AI 69-)
4	AI 68 (AI 68+)
38	AI 76 (AI 68-)
5	AI 75 (AI 67-)
39	AI 67 (AI 67+)
6	AI 66 (AI 66+)
40	AI 74 (AI 66-)
7	AI 65 (AI 65+)
41	AI 73 (AI 65-)
8	AI 72 (AI 64-)
42	AI 64 (AI 64+)
9	AI GND
43	AI GND

Connector 2: NI 6365/6375 Connector 2

Use the following label if you are connecting the SCB-68A to Connector 2 of models that feature extended AI functionality, such as the NI 6365/6375.

Figure 4 shows the pinout label for NI 6365/6375 Connector 2.

Diagram Description:

The SCB-68A Quick Reference Label for Connector 2 (AI 80-143) for NI 6365/6375 devices indicates a 'Direct Feedthrough' configuration.

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Analog Channels (Group 1)

Pin	Signal
68	AI 80 (AI 80+)
34	AI 88 (AI 80-)
67	AI 89 (AI 81-)
33	AI 81 (AI 81+)
66	AI 90 (AI 82-)
32	AI 82 (AI 82+)
65	AI 83 (AI 83+)
31	AI 91 (AI 83-)
64	AI 92 (AI 84-)
30	AI 84 (AI 84+)
63	AI 93 (AI 85-)
29	AI 85 (AI 85+)
62	AI 86 (AI 86+)
28	AI 94 (AI 86-)
61	AI 95 (AI 87-)
27	AI 87 (AI 87+)
60	AI 104 (AI 96-)
26	AI 96 (AI 96+)

Analog Channels (Group 2)

Pin	Signal
59	AI 97 (AI 97+)
25	AI 105 (AI 97-)
58	AI 106 (AI 98-)
24	AI 98 (AI 98+)
57	AI 107 (AI 99-)
23	AI 99 (AI 99+)
56	AI SENSE 3
22	AI GND
55	AI 100 (AI 100+)
21	AI 108 (AI 100-)
54	AI 109 (AI 101-)
20	AI 101 (AI 101+)
53	AI 110 (AI 102-)
19	AI 102 (AI 102+)
52	AI 103 (AI 103+)
18	AI 111 (AI 103-)

Analog Channels (Group 3)

Pin	Signal
51	AI 120 (AI 112-)
17	AI 112 (AI 112+)
50	AI 121 (AI 113-)
16	AI 113 (AI 113+)
49	AI 114 (AI 114+)
15	AI 122 (AI 114-)
48	AI 123 (AI 115-)
14	AI 115 (AI 115+)
47	AI 124 (AI 116-)
13	AI 116 (AI 116+)
46	AI 117 (AI 117+)
12	AI 125 (AI 117-)
45	AI 126 (AI 118-)
11	AI 118 (AI 118+)
44	AI 127 (AI 119-)
10	AI 119 (AI 119+)

Analog Channels (Group 4)

Pin	Signal
1	AI 135 (AI 135+)
35	AI 143 (AI 135-)
2	AI 142 (AI 134-)
36	AI 134 (AI 134+)
3	AI 133 (AI 133+)
37	AI 141 (AI 133-)
4	AI 132 (AI 132+)
38	AI 140 (AI 132-)
5	AI 139 (AI 131-)
39	AI 131 (AI 131+)
6	AI 130 (AI 130+)
40	AI 138 (AI 130-)
7	AI 129 (AI 129+)
41	AI 137 (AI 129-)
8	AI 136 (AI 128-)
42	AI 128 (AI 128+)
9	AI GND
43	AI GND

Connector 3: NI 6375 Connector 3

Use the following label if you are connecting the SCB-68A to Connector 3 of models that feature extended AI functionality, such as the NI 6375.

Figure 5 shows the pinout label for NI 6375 Connector 3.

Diagram Description:

The SCB-68A Quick Reference Label for Connector 3 (AI 144-207) for NI 6375 devices indicates a 'Direct Feedthrough' configuration.

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Analog Channels (Group 1)

Pin	Signal
68	AI 144 (AI 144+)
34	AI 152 (AI 144-)
67	AI 153 (AI 145-)
33	AI 145 (AI 145+)
66	AI 154 (AI 146-)
32	AI 146 (AI 146+)
65	AI 147 (AI 147+)
31	AI 155 (AI 147-)
64	AI 156 (AI 148-)
30	AI 148 (AI 148+)
63	AI 157 (AI 149-)
29	AI 149 (AI 149+)
62	AI 150 (AI 150+)
28	AI 158 (AI 150-)
61	AI 159 (AI 151-)
27	AI 151 (AI 151+)
60	AI 168 (AI 160-)
26	AI 160 (AI 160+)

Analog Channels (Group 2)

Pin	Signal
59	AI 161 (AI 161+)
25	AI 169 (AI 161-)
58	AI 170 (AI 162-)
24	AI 162 (AI 162+)
57	AI 171 (AI 163-)
23	AI 163 (AI 163+)
56	AI SENSE 4
22	AI GND
55	AI 164 (AI 164+)
21	AI 172 (AI 164-)
54	AI 173 (AI 165-)
20	AI 165 (AI 165+)
53	AI 174 (AI 166-)
19	AI 166 (AI 166+)
52	AI 167 (AI 167+)
18	AI 175 (AI 167-)

Analog Channels (Group 3)

Pin	Signal
51	AI 184 (AI 176-)
17	AI 176 (AI 176+)
50	AI 185 (AI 177-)
16	AI 177 (AI 177+)
49	AI 178 (AI 178+)
15	AI 186 (AI 178-)
48	AI 187 (AI 179-)
14	AI 179 (AI 179+)
47	AI 188 (AI 180-)
13	AI 180 (AI 180+)
46	AI 181 (AI 181+)
12	AI 189 (AI 181-)
45	AI 190 (AI 182-)
11	AI 182 (AI 182+)
44	AI 191 (AI 183-)
10	AI 183 (AI 183+)

Analog Channels (Group 4)

Pin	Signal
1	AI 199 (AI 199+)
35	AI 207 (AI 199-)
2	AI 206 (AI 198-)
36	AI 198 (AI 198+)
3	AI 197 (AI 197+)
37	AI 205 (AI 197-)
4	AI 196 (AI 196+)
38	AI 204 (AI 196-)
5	AI 203 (AI 195-)
39	AI 195 (AI 195+)
6	AI 194 (AI 194+)
40	AI 202 (AI 194-)
7	AI 193 (AI 193+)
41	AI 201 (AI 193-)
8	AI 200 (AI 192-)
42	AI 192 (AI 192+)
9	AI GND
43	AI GND

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