Smacq Technologies USB-3200 Series, User Manual, Page: 15 / 40

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same terminal, otherwise it will cause a measurement error.
Table 2.1, Signal pin allocation
Signal name Single-ended input Differential input
AI 0 Analog input 0 Analog input 0 Cathode
AI 1 Analog input 1 Analog input 0 Negative
AI 2 Analog input 2 Analog input 2 Cathode
AI 3 Analog input 3 Analog input 2 Negative
AI 4 Analog input 4 Analog input 4 Cathode
AI 5 Analog input 5 Analog input 4 Negative
AI 6 Analog input 6 Analog input 6 Cathode
AI 7 Analog input 7 Analog input 6 Negative
AI 8 Analog input 8 Analog input 8 Cathode
AI 9 Analog input 9 Analog input 8 Negative
AI 10 Analog input 10 Analog input 10 Cathode
AI 11 Analog input 11 Analog input 10 Negative
AI 12 Analog input 12 Analog input 12 Cathode
AI 13 Analog input 13 Analog input 12 Negative
AI 14 Analog input 14 Analog input 14 Cathode
AI 15 Analog input 15 Analog input 14 Negative
AI 16 Analog input 16 Analog input 16 Cathode
AI 17 Analog input 17 Analog input 16 Negative
AI 18 Analog input 18 Analog input 18 Cathode
AI 19 Analog input 19 Analog input 18 Negative
AI 20 Analog input 20 Analog input 20 Cathode
AI 21 Analog input 21 Analog input 20 Negative
AI 22 Analog input 22 Analog input 22 Cathode
AI 23 Analog input 23 Analog input 22 Negative
AI SENSE Analog input reference Not defined
AGND Simulated ground Simulated ground
DI 0 Digital input 0 Not available
DI 1 Digital input 1 Not available
DI 2 Digital input 2 Not available
DI 3 Digital input 3 Not available
DO 0 Digital output 0 Not available
DO 1 Digital output 1 Not available
DO 2 Digital output 2 Not available