ACCES I/O Products, Inc.
MADE IN THE USA
USB-AO-ARB1 User Manual
3
manual revision B1a
Refer to Chapter 4 for additional information regarding user-
selectable option settings for this device including analog output
range, polarity, and digital I/O bias selection.
C
HAPTER
3:
H
ARDWARE
This unit is PC/104 sized and mounting-compatible (
3.55” x 3.775”
)
with a standard steel powder-coated enclosure (
4”
x 4
.08”
x 1.05
”
).
This device is available RoHS compliant, and supports Industrial
temperature environments (-40°C to 85°C operating, -65°C to
150°C storage) as an option. Additional options include 3.3V
compatible digital I/O and screw-terminal connectivity for positive
external power retention (replaces the DC input jack).
A green LED provides Power and Activity status. A solid green light
means the firmware has been successfully loaded and executed; a
flickering light indicates activity.
INCLUDED IN YOUR PACKAGE
USB module (installed in labeled enclosure)
6’ USB cable
Printed QuickStart Guide
Contact the factory for information regarding additional
accessories, options, and specials that may be available to best fit
your specific application requirements.
C
HAPTER
4:
C
ONFIGURATION
S
ETTINGS
This product has several physical settings you should configure before connecting it to the computer. You can run the provided Windows
Settings Program for a visual walk-through while configuring the settings, or refer to the image above and instructions below. You will need a
Philips screw-driver to open the enclosure. Please follow ESD precautions while configuring settings.
•
Digital I/O:
o
For each 4-bit port select between Pull-Up (to Vcc
1
via 10k
Ω
) or Pull-down (to GND via 10k
Ω
). You may also configure a DIO
port for neither pull-up nor pull-down (unbiased) by removing the option selection jumper entirely. Note 1: Vcc is 5VDC (or
3.3VDC if the
–
LV option was specified)
•
Analog Output:
o
Choose the full-scale output voltage from 2.5, 5, or 10VDC.
o
Choose Unipolar or Bipolar output range (Unipolar goes from 0 to full-scale while Bipolar is from negative to positive full-
scale). Please ensure you move
both
Polarity Select jumpers to the same “left” or “right” pair of posts as shown in the
drawing, above.
•
Power Input:
o
Choose to use power as provided by the USB cable, or to use external power (as provided to the DC Jack or screw terminals
(-ST option)).
This manual applies to the following model:
USB-AO-ARB1 One 16-bit 8MHz Analog Output on USB
Available accessories include:
UTBK-16 Direct-connect 16-pin Screw Terminal board
CAB-BNC-6 Standard 6-foot co-axial cable, male BNC connectors
CAB-BNC-CLIP 3-foot co-axial BNC to mini-grabber test clip cable
MP104-DIN DIN-rail mounting kit
Factory Options include:
-OEM Board only, without enclosure, features PC/104 module size and
mounting compatibility
-T Extended Temperature (-40°C to 85°C)
-PR +5VDC regulated AC/DC supply and onboard DC-power input jack
-ST Screw terminals installed for DC-power input (no jack, no wall-wart)
-LV Re5VDC digital logic with +3.3V compatible I/O
