Screw Terminal Pinout; Differential Mode Pinout; Single-Ended Mode Pinout - Measurement Computing USB-234 User Manual

USB-234 User's Guide

Screw terminal pinout

Differential mode pinout

Do not connect to terminal block pins labeled NC.
Pin Signal name Pin description
1 AGND
2 CH0H
3 CH0L
4 AGND
5 CH1H
6 CH1L
7 AGND
8 CH2H
9 CH2L
10 AGND
11 CH3H
12 CH3L
13 AGND
14 AOUT0
15 AOUT1
16 AGND

Single-ended mode pinout

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