
AI-EXP32 User's Guide Specifications
17
Table 12. 16-channel differential mode pin out
Pin Signal name Pin description Pin Signal name Pin description
1 CH16H Channel 16 HI 33 CH31L Channel 31 LO
2 CH16L Channel 16 LO 34 CH31H Channel 31 HI
3 CH17H Channel 17 HI 35 CH30L Channel 30 LO
4 CH17L Channel 17 LO 36 CH30H Channel 30 HI
5 CH18H Channel 18 HI 37 CH29L Channel 29 LO
6 CH18L Channel 18 LO 38 CH29H Channel 29 HI
7 CH19H Channel 19 HI 39 CH28L Channel 28 LO
8 CH19L Channel 19 LO 40 CH28H Channel 28 HI
9 CH20H Channel 20 HI 41 CH27L Channel 27 LO
10 CH20L Channel 20 LO 42 CH27H Channel 27 HI
11 CH21H Channel 21 HI 43 CH26L Channel 26 LO
12 CH21L Channel 21 LO 44 CH26H Channel 26 HI
13 CH22H Channel 22 HI 45 CH25L Channel 25 LO
14 CH22L Channel 22 LO 46 CH25H Channel 25 HI
15 CH23H Channel 23 HI 47 CH24L Channel 24 LO
16 CH23L Channel 23 LO 48 CH24H Channel 24 HI
17 GND Analog ground 49 GND Analog ground
18 GND Analog ground 50 GND Analog ground
19 +5VUSER +5 V output 51 NC No connect
20 NC No connect 52 NC No connect
21 DIO8 Digital input/output 53 DIO23 Digital input/output
22 DIO9 Digital input/output 54 DIO22 Digital input/output
23 DIO10 Digital input/output 55 DIO21 Digital input/output
24 DIO11 Digital input/output 56 DIO20 Digital input/output
25 DIO12 Digital input/output 57 DIO19 Digital input/output
26 DIO13 Digital input/output 58 DIO18 Digital input/output
27 DIO14 Digital input/output 59 DIO17 Digital input/output
28 DIO15 Digital input/output 60 DIO16 Digital input/output
29 DGND Digital ground 61 DGND Digital ground
30 DGND Digital ground 62 DGND Digital ground
31 NC No connect 63 NC No connect
32 NC No connect 64 NC No connect
Do not connect to terminal block pins labeled "NC."
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