Power; General; Environmental; Mechanical - Measurement Computing usb1608fs User Manual

USB-1608FS User's Guide

Power

Parameter
Supply current
Supply current (Note 3)
PC +5 V voltage range (Note 4)
PC +5V output current (Note 5)
This is the total current requirement for the USB-1608FS which includes up to 10 mA for the status
Note 3:
LED.
"Self-powered hub" refers to a USB hub with an external power supply. Self-powered hubs allow a
Note 4:
connected USB device to draw up to 500 mA. "Root port hubs" reside in the PC USB host Controller.
The USB port(s) on your PC are root port hubs. All externally-powered root port hubs, such as a
desktop PC, provide up to 500 mA of current for a USB device. Battery-powered root port hubs
provide 100 mA or 500 mA, depending upon the manufacturer. A laptop PC that is not connected to an
external power adapter is an example of a battery-powered root port hub. If your laptop PC is
constrained to the 100 mA maximum, you need to purchase a self-powered hub.
Note 5: This refers to the total amount of current that can be sourced from the USB +5 V and digital outputs.

General

Parameter
Device type
Device compatibility

Environmental

Parameter
Operating temperature range
Storage temperature range
Humidity

Mechanical

Parameter
Dimensions (L × W × H)
USB cable length
User connection length

Screw terminal connector and pinout

Parameter
Connector type
Wire gauge range
Table 11. Power specifications
Condition
USB enumeration
Continuous mode
Connected to self-powered hub

Connected to externally-powered root port hub

Table 12. General specifications
Specification
USB 2.0 (full-speed)
USB 1.1, USB 2.0
Table 13. Environmental specifications
Specification
0 °C to 70 °C
–40 °C to 70 °C
0% to 90% non-condensing
Table 14. Mechanical specifications
Specification
3.10 × 3.20 × 1.05 in. (79 × 82 × 27 mm)
3 m (9.84 ft) max
3 m (9.84 ft) max
Table 15. Connector specifications
Specification
Screw terminal
16 AWG to 30 AWG
23
Specification
< 100 mA
150 mA
4.25 V min, 5.25 V max
300 mA max