MCC USB-230 Series: USB-234 16-bit, 100 kS/s Multifunction DAQ Device - Datasheet

Measurement Computing [phone]
1
[e-mail] mccdaq.com
USB-230 Series
Measurement Computing [phone]
1
[e-mail] mccdaq.com
Features
• Low cost 16-bit USB DAQ
devices with four differential/
eight single-ended analog
inputs
• Sample rates up to 100 kS/s
• Two 16-bit analog outputs
• Eight bit-configurable digital
I/O lines
• One 32-bit counter input
• Micro-USB Type B connector
(no external power required)
Software
Supported Operating Systems
• Windows 10/8/7/Vista/XP
32/64-bit
16-Bit Multifunction DAQ Devices
Overview
USB-230 Series devices provide improved cost/performance compared to our
similarly priced 16-bit DAQ devices. Each device offers eight analog inputs, two
analog outputs, eight DIO channels, and one counter input.
Analog Input
All USB-230 Series devices provide four
differential (DIFF)/eight 16-bit single-
ended (SE) analog inputs with a fixed
analog input range of ±10 V.
Sample Rate
The maximum continuous sample rate
is an aggregate rate. The following table
lists the maximum rate per channel when
scanning from one to eight channels.
Maximum Sample Rate Per Channel
(kS/s)
*
No. of
Channels
USB-231 USB-234
1 50 100
2 25 50
3 16.67 33.33
4 12.5 25
5 10 20
6 8.33 16.67
7 7.14 14.29
8 6.25 12.50
* Sample rates also apply to OEM versions
USB-230 Series devices provide eight SE/four DIFF analog inputs, two simultaneously-updating
analog outputs, 8 digital I/O, and one counter input.
Analog Output
USB-230 Series devices provide two 16-bit
analog outputs. One or both outputs can
be updated at a rate up to 5 kS/s per chan-
nel. The output range is fixed at ±10 V.
Digital I/O
Eight TTL-level digital I/O lines are included
with USB-230 Series devices. Each channel
is software-selectable for input or output.
Digital input voltage ranges from 0 V
to 5 V are supported, with thresholds of
0.8 V (low) and 2.3 V (high).
When used in output mode, each digital
channel allows for 3.3 V operation with a
source/sink current limit of ±4 mA.
All DIO lines are set to high-impedance
inputs at system startup and reset. The
device does not drive the signal high
or low. Each line has a weak pull-down
resistor connected to it.
All digital I/O updates and samples are
software-paced.
Digital Trigger Input
USB-230 Series devices include an exter-
nal digital trigger input that is software-
selectable for rising edge or falling edge
detection.
Counter Input
USB-230 Series devices support one 32-bit
edge counter (rising) that accepts inputs
up to 5 MHz.
OEM Versions
USB-230 Series OEM versions have board-
only form factors with a header connector
for OEM and embedded applications. All
devices can be further customized to meet
customer needs.
The OEM versions have the same specifica-
tions as the standard devices, but come in a
board-only form factor with a header con-
nector instead of screw terminals.