Measurement Computing USB-202 - Manual (Page 19)

USB-202 User's Guide Specifications
19
USB specifications
Table 11. USB specifications
Parameter Specification
USB device type USB 2.0 (full-speed)
Device compatibility USB 1.1, USB 2.0
USB cable type A-B cable, UL type AWM 2725 or equivalent. (minimum 24 AWG VBUS/GND,
minimum 28 AWG D+/D–)
USB cable length 3 m (9.84 ft) max
Environmental
Table 12. Environmental specifications
Parameter Specification
Operating temperature range 0 °C to 55 °C max
Storage temperature range –40 °C to 85 °C max
Humidity 0% to 90% non-condensing max
Mechanical
Table 13. Mechanical specifications
Parameter Specification
Dimensions (L × W × H) 117.86 × 82.80 × 28.96 mm (4.64 × 3.26 × 1.14 in.) max
Screw terminal connector
Table 14. Screw terminal connector specifications
Parameter Specification
Connector type Screw terminal
Wire gauge range 16 AWG to 30 AWG
Table 15. Screw terminal pinout
Pin Signal name Pin description Pin Signal name Pin description
1 GND Digital ground 17 AGND Analog ground
2 TRIG Digital trigger input 18 AOUT1 Analog output 1
3 CTR Counter input 19 AGND Analog ground
4 AICKI External clock pacer input 20 AOUT0 Analog output 0
5 AICKO External clock pacer output 21 AGND Analog ground
6 GND Digital ground 22 CH7 Channel 7
7 +VO User voltage output 23 CH6 Channel 6
8 GND Digital ground 24 AGND Analog ground
9 DIO7 DIO bit 7 25 CH5 Channel 5
10 DIO6 DIO bit 6 26 CH4 Channel 4
11 DIO5 DIO bit 5 27 AGND Analog ground
12 DIO4 DIO bit 4 28 CH3 Channel 3
13 DIO3 DIO bit 3 29 CH2 Channel 2
14 DIO2 DIO bit 2 30 AGND Analog ground
15 DIO1 DIO bit 1 31 CH1 Channel 1
16 DIO0 DIO bit 0 32 CH0 Channel 0