8-Channel Voltage Input USB Data Acquisition Modules

OM-USB-1208FS_1408FS_1608FS Series

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8 Analog Voltage Inputs
12-Bit (OM-USB-1208FS), 14-Bit (OM-USB-1408FS) or 16-Bit (OM-USB-1608FS) Resolution
Two 12-Bit Analog Outputs (OM-USB-1208FS, OM-USB-1408FS)
8 Digital I/O (USB-1608FS) or 16 Digital I/O (USB-1208FS, USB-1408FS)
One 32-Bit Counter
No External Power Supply Required

Description

The OM-USB-1208FS, OM-USB-1408FS and OM-USB-1608FS are USB 2.0 fullspeed voltage input data acquisition modules (fully compatible with both USB 1.1 and USB 2.0 ports). These are plug-and-play modules which draw power from the USB cable–no external power supply is required. All configurable options (including individual channel ranges) are software programmable, and the modules are fully software calibrated.

The OM-USB-1208FS and OM-USB-1408FS feature eight analog voltage input channels that are processed through a single A/D converter. The analog inputs to the OM-USB-1208FS are software configurable for either eight 11-bit single-ended or four 12-bit differential inputs. The analog inputs to the OM-USB-1408FS are software configurable for either eight 13-bit single-ended or four 14-bit differential inputs.

The OM-USB-1608FS offers true simultaneous sampling of up to eight 16-bit single-ended analog voltage input channels which is accomplished through the use of an individual A/D converter per channel. Models USB-1208FS and USB-1408FS have 16 independent digital I/O channels and model OM-USB-1608FS has 8 digital I/O.

All modules have one 32-bit counter channel. The digital I/O channels are software programmable for input or output. Additionally, models OM-USB-1208FS and OM-USB-1408FS have two 12-bit analog outputs. The packaging for the OM-USB-1208FS, OM-USB- 1408FS and OM-USB-1608FS ensures ease of use in a variety of applications.

The OM-USB-1208FS, OM-USB-1408FS and OM-USB-1608FS modules ship with an impressive array of software, including the new TracerDAQ®, a full-featured, out-of-the-box data logging, viewing, and analysis application. Driver support and detailed example programs are included for Universal Library programming libraries for Microsoft® Visual Studio® programming languages, and other languages, including DASYLab®, and ULx for NI LabVIEW® (comprehensive library of VIs and example programs compatible with 32-bit and 64-bit LabVIEW v8.5 through 2012) and InstaCalTM installation, calibration and test utility-powerful solutions for programmers and nonprogrammers alike. These modules operate under Microsoft Windows® XP (32-bit only) and VISTA/7/8 (32-bit and 64-bit) operating systems.

The OM-USB-1208FS, OM-USB-1408FS and OM-USB-1608FS data acquisition modules are supplied with TracerDAQ software which is a collection of four virtual instrument applications used to graphically display and store input data and generate output signals:

    • Strip Chart—Log and graph values acquire from analog inputs, digital inputs,
     temperature inputs and counter inputs
    • Oscilloscope—Display values acquired from analog inputs
    • Function Generator—Generate waveforms for analog outputs
    • Rate Generator—Generate waveforms for counter outputs

TracerDAQ PRO is an enhanced version of TracerDAQ. A comparison of some of the features included in TracerDAQ vs TracerDAQ PRO is shown on PDF.

SPECIFICATIONS
ANALOG INPUTS
A/D Converter:
    OM-USB-1208FS and OM-USB-1409FS: One successive approximation A/D Converter
    OM-USB-1608FS: Eight successive approximation A/D converters
Number of Channels:
    OM-USB-1208FS and OM-USB-1408FS: 8 single-ended/4 differential
    OM-USB-1608FS:8 single-ended
Resolution:
    OM-USB-1208FS: 12-bit (differential), 11-bit (single-ended)
    OM-USB-1408FS: 14-bit (differential), 13-bit (single- ended)
    OM-USB-1608FS: 16-bit (single-ended)
Integral Linearity Error: ±1 LSB typical
Differential Linearity Error: ±0.5 LSB typical
Repeatability: ±1 LSB typical
Input Voltage Range for Linear Operation (Single-Ended Mode): ±10V max
Input Common-Mode Voltage Range for Linear Operation (Differential Mode): -10V min, 20V max
Absolute Maximum Input Voltage:
    OM-USB-1208FS and OM-USB-1408FS: ±28V max
    OM-USB-1608FS: ±15V max
Input Impedance:
    OM-USB-1208FS and OM-USB-1408FS: 122 Ω
    OM-USB-1608FS; 100 MΩ min
Throughput:
    OM-USB-1208FS and OM-USB-1408FS: 250 S/s typical (software paced, PC dependent); 50 kS/s (continuous scan)
    OM-USB-1608FS: 500 S/s all channels (software paced); 100 Ks/s divided by the number of channels (50 Ks/s max per channel, scan to PC memory); 200 Ks/s divided by the number of channels (50 Ks/s max per channel, burst scan to to 32K sample FIFO)
Channel Gain Queue: Software configurable channel, range and gain
Trigger Source: Software selectable
Pacer Source: Software selectable

ANALOG OUTPUTS (OM-USB-1208FS, OM-USB-1408FS Only)
Number of Channels: 2
Resolution: 12-bit (1 in 4096)
Accuracy: 4.0 LSB or 0.1 %FSR typical, 45.0 LSB or 0.9 %FSR max
Output Range: 0 to 4.096V (0 to 4096,1 mV per LSB)
Throughput: 250 kS/s single channel typical (software paced, PC dependent);
10 kS/s (single channel, continuous scan); 5 kS/s(dual channel, continuous scan, simultaneous update)
Output Drive: 15 mA per D/A channel
Slew Rate: 0.8 V/us typical

DIGITAL I/O
Number of Digital I/O Channels: 16 for OM-USB-1208FS and OM-USB-1408FS); 8 for OM-USB-1608FS
Type: CMOS
Configuration: Each DIO bit can be independently configured for input or output. Power on reset is input mode.
Pull-Up/Pull-Down Configuration: All pins pulled up to 5V via 47 kΩ resistors (default). Pull-down to ground (GND) also available.
Digital I/O Transfer Rate (Software Paced): Digital input: 50 port reads or single bit reads per second (typical); digital output: 100 port writes or single bit writes per second(typical).
Input High Voltage: 2.0V min, 5.5V absolute max
Input Low Voltage: 0.8V min, -0.5V absolute min
Output High Voltage: 0.7V max (IOL = 2.5 mA)
Output Low Voltage: 3.8V min (IOH = -2.5 mA)

COUNTER
Number of Channels: 1
Resolution: 32-bit
Counter Type: Event counter
Input Type: TTL, rising edge triggered
Schmitt Trigger Hysteresis: 20 mV to 100 mV
Input Leakage Current: ±1.0 uA typical
Input Frequency: 1 MHz max
High Pulse Width: 500 ns min
Low Pulse Width: 500 ns min
Input High Voltage: 4.0V min, 5.5V absolute max
Input Low Voltage: 1.0V max, -0.5V absolute min

EXTERNAL TRIGGER
Source: External digital
Mode: Software selectable
Latency: 10 us max
Pulse Width: 1 us min
Input High Voltage: 4.0V min, 5.5V absolute max
Input Low Voltage: 1.0V max, -0.5V absolute min
Input Leakage Current: ±1.0 uA

EXTERNAL CLOCK INPUT/OUTPUT
Pin Name: SYNC, software selectable direction (bidrectional); output (default), outputs internal A/D pacer clock; input, receives A/D pacer clock from external source
Input Clock Rate: 50 KHz max
Clock Pulse Width: 1 us min (input mode), 5 us min (output mode)
Input Leakage Current: ±1.0 uA (input mode)
Input High Voltage: 4.0 V min, 5.5 V absolute max
Input Low Voltage: 1.0 V max, -0.5 V absolute min
Output High Voltage: IOH =-2.5 mA, 3.3 V min: no load, 3.8 V min
Output Low Voltage: IOL = 2.5 mA, 1.1 V max; no load, 0.6 V max

GENERAL
Power Supply Voltage (Supplied by USB Port): 4.75 V min to 5.25 V max
Power Supply Current (Supplied by USB Port): <100 mA typical (USB enumeration)
User 5V Output Voltage Range (connected to self-powered hub or externally powered root port hub):
    OM-USB-1208FS and OM-USB-1408FS: 4.5V min to 5.25V max
    OM-USB-1608FS: 4.9V min to 5.1V max
User 5V Output Voltage Range (connected to bus powered hub):
OM-USB-1208FS and OM-USB-1408FS only: 4.1V min to 5.25V max
User 5V Output Current (connected to self-powered hub or externally powered root port hub):     OM-USB-1208FS and OM-USB-1408FS: 420 mA max (total amount current that can be sourced from the USB 5V, analog outputs and digital outputs)
    OM-USB-1608FS: 350 mA max (total amount of current that can be sourced from the USB 5V and digital outputs)
User 5V Output Current (connected to bus powered hub):
    OM-USB-1208FS and OM-USB-1408FS only: 20 mA max (total amount of current that can be sourced from the USB 5V, analog outputs and digital outputs)
USB Device Type: USB 2.0 (full-speed)
Device Compatibility: USB 1.1, USB 2.0
USB Cable Length: 3 m (10') max
Dimensions: 127 L x 89 W x 36 mm H (5.0 x 3.5 x 1.4")
Input Connections: Screw terminal blocks (accept 16 to 30 AWG wire)
Operating Temperature: 0 to 70°C (32 to 158°F), 0 to 90% RH non-condensing
Storage Temperature: -40 to 70°C (-40 to 158°F)
Weight: 91 g (3.2 oz)

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Part Number/ Desc.

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Description

OM-USB-1208FS

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Availability:

12-bit voltage input USB data acquisition module (4 DE/8 SE analog input channels, 16 digital I/O, 1 counter, 2 analog outputs)

OM-USB-1408FS

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Availability:

14-bit voltage input USB data acquisition module (4 DE/8 SE analog input channels, 16 digital I/O, 1 counter, 2 analog outputs)

OM-USB-1608FS