Usb +5 V Voltage; External Power Input; External Power Output; Usb Specifications - Measurement Computing USB-1616FS User Manual

USB-1616FS User's Guide

USB +5 V voltage

Parameter
USB +5V (VBUS) input voltage range.

External power input

Parameter
External power input
Voltage supervisor limits - PWR
LED. (Note 8)
External power adapter (included)
The USB-1616FS monitors the external +9 V power supply voltage with a voltage supervisory
Note 8:
circuit. If this power supply exceeds its specified limit, the PWR LED will turn off indicating a
power fault condition.

External power output

Parameter
External power output - current
range
External power output
Compatible cable(s) for daisy chain
The daisy chain power output option allows multiple Measurement Advantage boards to be
Note 9:
powered from a single external power source in a daisy chain fashion. The voltage drop
between the module power supply input and the daisy chain output is 0.5 V max. Users must
plan for this drop to assure the last module in the chain will receive at least 6.0 VDC

USB specifications

USB "B" connector
USB device type
Device compatibility
USB "A" connector
USB hub type
Compatible products
USB cable type (upstream and
downstream)
USB cable length

Environmental

Operating temperature range
Storage temperature range
Humidity
Conditions
Conditions
6.0 V > Vext or Vext >
12.5 V
6.0 V < Vext < 12.5 V
MCC p/n CB-PWR-9V3A
Conditions
Note 9
Voltage drop between power input and daisy chain
power output
C-MAPWR-x
Input
USB 2.0 (full-speed)
Use of multiple USB-1616FS boards requires a USB 2.0 hub.
USB 1.1, USB 2.0
Downstream hub output port
Supports USB 2.0 high-speed, full-speed and low-speed operating points.
Self-powered, 100 mA max downstream VBUS capability
MCC Measurement Advantage Series
A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND,
min 28 AWG D+/D-)
3 meters max.
0 to 70 ° C
-40 to 85 ° C
0 to 90% non-condensing
4-6
Specification
4.75 V min. to 5.25 V max.
Specification
+6.0 VDC to 12.5 VDC (9 VDC power
supply included).
PWR LED = Off (power fault)
PWR LED = On
+9 V ±10%, @ 3 A
Specifications
Specification
4.0 A max.
0.5 V max
X = 2, 3 or 6
feet