Environmental; Mechanical; Header Connectors; Differential Mode Pinout - Measurement Computing USB-231-OEM User Manual

USB-231-OEM User's Guide

Environmental

Parameter
Operating temperature range
Storage temperature range
Operating humidity range
Storage humidity range
Pollution degree (IEC 60664)
Maximum altitude

Mechanical

Parameter
Dimensions (L × W × H)
Weight

Header connectors

Parameter
Connector type

Differential mode pinout

Do not connect to connector pins labeled NC.
Pin Signal name
1 AOUT0
3 AGND
5 CH3H
7 CH2H
9 CH1H
11 CH0H
13 AGND
15 D–
17 D+
19 GND
21 DIO1
23 DIO3
25 DIO5
27 DIO7
29 TRIG
31 NC
33 CTR
Table 13. Environmental specifications (Indoor use only)
Specification
0 °C to 45 C
–40 °C to 85 °C
5% to 95% RH, non-condensing
5% to 90% RH, non-condensing
2
2,000 m
Table 14. Mechanical specifications
Specification
98 mm × 64 mm × 12 mm (3.90 in. × 2.50 in. × 0.50 in.)
31 g (1.10 oz)
Table 15. Header connector specifications
Specification
One 2 × 17 0.1 in. pitch headers labeled J2
Table 16. J2 differential pinout
Pin description
Analog output 0
Analog ground
Analog input 3 HI
Analog input 2 HI
Analog input 1 HI
Analog input 0 HI
Analog ground
USB differential data signals
USB differential data signals
Digital ground
DIO bit 1
DIO bit 3
DIO bit 5
DIO bit 7
Digital trigger input
No connection
Counter input
Pin Signal name
2 AOUT1
4 AGND
6 CH3L
8 CH2L
10 CH1L
12 CH0L
14 AGND
16 VBUS
18 LED
20 DIO0
22 DIO2
24 DIO4
26 DIO6
28 NC
30 NC
32 GND
34 +VO
24
Specifications
Pin description
Analog output 1
Analog ground
Analog input 3 LO
Analog input 2 LO
Analog input 1 LO
Analog input 0 LO
Analog ground
USB power
Status LED driver
DIO bit 0
DIO bit 2
DIO bit 4
DIO bit 6
No connection
No connection
Digital ground
User voltage output