Measurement Computing USB-231 - Manual (Page 27)

USB-231 User's Guide Specifications
27
Screw terminal pinout
Differential mode pinout
Do not connect to terminal block pins labeled NC.
Table 15. Screw terminal pinout
Pin Signal name Pin description Pin Signal name Pin description
1 AGND Analog ground 17 DIO0 DIO bit 0
2 CH0H Analog input 0 HI 18 DIO1 DIO bit 1
3 CH0L Analog input 0 LO 19 DIO2 DIO bit 2
4 AGND Analog ground 20 DIO3 DIO bit 3
5 CH1H Analog input 1 HI 21 DIO4 DIO bit 4
6 CH1L Analog input 1 LO 22 DIO5 DIO bit 5
7 AGND Analog ground 23 DIO6 DIO bit 6
8 CH2H Analog input 2 HI 24 DIO7 DIO bit 7
9 CH2L Analog input 2 LO 25 NC No connection
10 AGND Analog ground 26 TRIG Digital trigger input
11 CH3H Analog input 3 HI 27 NC No connection
12 CH3L Analog input 3 LO 28 NC No connection
13 AGND Analog ground 29 CTR Counter input
14 AOUT0 Analog output 0 30 GND Digital ground
15 AOUT1 Analog output 1 31 + VO User voltage output
16 AGND Analog ground 32 GND Digital ground
Single-ended mode pinout
Do not connect to terminal block pins labeled NC.
Table 16. Screw terminal pinout
Pin Signal name Pin description Pin Signal name Pin description
1 AGND Analog ground 17 DIO0 DIO bit 0
2 CH0H Analog input 0 18 DIO1 DIO bit 1
3 CH0L Analog input 4 19 DIO2 DIO bit 2
4 AGND Analog ground 20 DIO3 DIO bit 3
5 CH1H Analog input 1 21 DIO4 DIO bit 4
6 CH1L Analog input 5 22 DIO5 DIO bit 5
7 AGND Analog ground 23 DIO6 DIO bit 6
8 CH2H Analog input 2 24 DIO7 DIO bit 7
9 CH2L Analog input 6 25 NC No connection
10 AGND Analog ground 26 TRIG Digital trigger input
11 CH3H Analog input 3 27 NC No connection
12 CH3L Analog input 7 28 NC No connection
13 AGND Analog ground 29 CTR Counter input
14 AOUT0 Analog output 0 30 GND Digital ground
15 AOUT1 Analog output 1 31 + VO User voltage output
16 AGND Analog ground 32 GND Digital ground