USB-6525 User Guide and Specifications 4 ni.com
I/O Connector
The USB-6525 device ships with two detachable terminal blocks for digital
signals. Each individual terminal accepts a wire gauge between
16 AWG–28 AWG.
Table 1. Digital Terminal Assignments
Module Terminal Signal Module Terminal Signal
1P0.0A 17 P1.0+
2P0.0B 18 P1.0–
3P0.1A 19 P1.1+
4P0.1B 20 P1.1–
5P0.2A 21 P1.2+
6P0.2B 22 P1.2–
7P0.3A 23 P1.3+
8P0.3B 24 P1.3–
9P0.4A 25 P1.4+
10 P0.4B 26 P1.4–
11 P0.5A 27 P1.5+
12 P0.5B 28 P1.5–
13 P0.6A 29 P1.6+
14 P0.6B 30 P1.6–
15 P0.7A 31 P1.7+/PFI0+
16 P0.7B 32 P1.7–/PFI 0–