Pxi-7921 Pin Assignments & Descriptions - ADLINK Technology PXI-7921 User Manual

24-ch, multiplexer dpdt relay module
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3.2 PXI-7921 Pin Assignments & Descriptions
43. COM2+
44. COM2-
45. COM3+
46. COM3-
47. CH18+
48. CH18-
49. CH19+
50. CH19-
51. CH20+
52. CH20-
53. CH21+
54. CH21-
55. CH22+
56. CH22-
57. CH23+
58. CH23-
59. 1WireloRef*
60. TRG_IN
61. S_ADV
62. SHDNn
*not used in two-wire mode
10
Signal Connection
22. +5 V
OUT
23. CH8+
24. CH8-
25. CH9+
26. CH9-
27. CH10+
28. CH10-
29. CH11+
30. CH11-
31. CH12+
32. CH12-
33. CH13+
34. CH13-
35. CH14+
36. CH14-
37. CH15+
38. CH15-
39. CH16+
40. CH16-
41. CH17+
42. CH17-
Table 1: Pin Assignment (2 wire)
1. CH0+
2. CH0-
3. CH1+
4. CH1-
5. CH2+
6. CH2-
7. CH3+
8. CH3-
9. CH4+
10. CH4-
11. CH5+
12. CH5-
13. COM0+
14. COM0-
15. COM1+
16. COM1-
17. CH6+
18. CH6-
19. CH7+
20. CH7-
21. GND

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