Measurement Computing USB-202-OEM - Manual (Page 19)

USB-202-OEM User's Guide Specifications
19
USB specifications
Table 14. 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 15. 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 16. Mechanical specifications
Parameter Specification
Dimensions (L × W × H) 98.30 × 76.71 × 14.61 mm (3.87 × 3.02 × 0.575 in.) max
Header connectors
Table 17. Header connector specifications
Parameter Specification
Connector type Two 2 × 8 0.1 in. pitch headers, labeled W1 and W3
Table 18. W1 pinout
Pin Signal name Pin description Pin Signal name Pin description
1 DIO0 DIO channel 0 2 DIO1 DIO channel 1
3 DIO2 DIO channel 2 4 DIO3 DIO channel 3
5 DIO4 DIO channel 4 6 DIO5 DIO channel 5
7 DIO6 DIO channel 6 8 DIO7 DIO channel 7
9 GND Digital ground 10 +VO User voltage output
11 GND Digital ground 12 AICKO External clock pacer output
13 AICKI External clock pacer input 14 CTR Counter input
15 TRIG Digital trigger input 16 GND Digital ground
Table 19. W3 pinout
Pin Signal name Pin description Pin Signal name Pin description
1 CH0 Channel 0 2 CH1 Channel 1
3 AGND Analog ground 4 CH2 Channel 2
5 CH3 Channel 3 6 AGND Analog ground
7 CH4 Channel 4 8 CH5 Channel 5
9 AGND Analog ground 10 CH6 Channel 6
11 CH7 Channel 7 12 AGND Analog ground
13 AOUT0 Analog output 0 14 AGND Analog ground
15 AOUT1 Analog output 1 16 AGND Analog ground