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High Performance Multi-Function I/O USB Data Acquisition Modules
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OMB-DAQ-2416-Series

High Performance Multi-Function I/O USB Data Acquisition Modules


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  • 16 Differential or 32 Single-Ended Analog Inputs, Expandable to 32 Differential/ 64 Single-Ended Channels
  • 24-Bit Resolution
  • Thermocouple or Voltage Input
  • Nine Software-Selectable Voltage Ranges: ±20V, ±10V, ±5V, ±2.5V, ±1.25V, ±0.625V, ±0.312V, ±0.156V, and ±0.078V
OMB-DAQ-2416-Series
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High Performance Multi-Function I/O USB Data Acquisition Modules OMB-DAQ-2416-Series OMB-DAQ-2416-Series
Product Overview
  • Accuracy ± 0.025
  • Analog I/O Note Analog Input Note: A/D CONVERTER;(OMB-DAQ-2416, OMB-DAQ-2416-4AO);A/D Converter Type: 24-bit sigma delta;A/D Data Rates:3750 samples/sec (S/s), 2000 S/s, 1000 S/s, 500 S/s, 100 S/s, 60 S/s, 50 S/s, 25 S/s, 10 S/s, 5 S/s, 2.5 S/s;Input Isolation: 500 Vdc min between field wiring and USB interface;Common Mode Rejection: Thermocouple mode, 110 dB; voltage mode, 90 dB;;ANALOG INPUTS;(OMB-DAQ-2416, OMB-DAQ-2416-4AO, OMB-AI-EXP32);Number of Channels: 16 differential/32 single-ended (thermocouples require differential mode) on OMB-DAQ-2416 or OMB-DAQ-2416-4AO. The OMB-AI-EXP32 is a multiplexer-based channel expansion module that adds an additional 16 differential/32 single ended channels.;Maximum Input Voltage: ±30V (power on), ±10V (power off);Input Impedance: 2 GΩ (power on), 390 Ω (power off);Input Leakage Current: ±10.6 nA (OMB-DAQ-2416, OMB-DAQ-2416-AO); ±20 nA (OMB-AI-EXP32); ±1µA max for input voltage >±30 V;Input Capacitance: 590 pF;Crosstalk: 100 dB adjacent channels;Channel Gain Queue: Up to 64 elements, software configurable channel and range;Warm-Up Time: 45 minutes max (OMB-DAQ-2416, OMB-DAQ-2416-4AO); 15 minutes max (OMB-AI-EXP32);Open Thermocouple Detect: Automatically enable when a channel is configured for a thermocouple sensor.;CJC Sensor Accuracy: ±0.15°C typical (15 to 35°C); ±0.5°C max (0 to 55°C);
  • Breakdown Voltage Drain to Source: 50 V
  • CMRR Thermocouple Mode: 110 dB, Voltage Mode : 90 dB
  • Configuration Parameters Pull-Up/Down Configuration, User-Configurable Input/Output
  • Data Interface Ethernet, USB 1.1, USB 2.0
  • Data Interface Note Output Configuration: Digital: Each DIO bit can be independently read from (DIN) or written to (DOUT). DIN bits can be read at any time whether the DOUT is active or tri-stated.
  • Digital Input Digital: Low = 0 Vdc
  • Digital I/O Note DIGITAL INPUTS Number of Digital I/O Channels: 8 (OMB-DAQ-2416, OMB-DAQ-2416-4AO); 16 (OMB-AI-EXP32) Configuration: Each DIO bit can be independently read from (DIN) or written to (DOUT). The DIN bits can be read at any time whether the DOUT is active or tri-stated. Voltage Range: 0 to 15 Vdc Type: CMOS (Schmitt trigger) Characteristics: 47 kΩ pull-up/pulldown resistor, 28 kΩ series resistor Maximum Input Voltage Range: 0 to 20 Vdc max (power on/off, relative to DGND) Pull-Up/Pull-Down Configuration: All pins pulled up to 5V via individual 47 kΩ resistors (default configuration); pull-down capability is available by moving internal jumper Transfer Rate (Software Paced): 500 port reads or single bit reads per second typical Input High Voltage: 1.3V min, 2.2V max Input Low Voltage: 1.5V max, 0.6V min Schmitt Trigger Hysteresis: 0.4V min, 1.2V max "DIGITAL OUTPUTS (OMB-DAQ-2416, OMB-DAQ-2416-4AO, OMB-AI-EXP32) Number of Digital I/O Channels: 8 (OMB-DAQ-2416, OMB-DAQ-2416-4AO); 16 (OMB-AI-EXP32) Configuration: Each DIO bit can be independently read from (DIN) or written to (DOUT). The DIN bits can be read at any time whether the DOUT is active or tri-stated. Characteristics: 47 kΩ pull-up, open drain DMOS transistor Pull-Up Configuration: All pins pulled up to 5V via individual 47 kΩ resistors by default Transfer Rate (Software Paced): 500 port writes or single bit writes per second typical Output Voltage Range: 0 to 5V (no external pull-up resistor, internal 47 kΩ resistors connected to 5V by default); 0 to 15V max Drain to Source Breakdown Voltage: 50V min Off-State Leakage Current: 0.1 µA Sink Current Capability: 150 mA max continuous per output pin; 150 mA max continuous for all eight channels DMOS Transistor On-Resistance (Drain to Source): 4 Ω";Transfer Rate: Digital: 500 port reads or single bit reads per second typ, Counter: System dependent, 500 reads or writes per second;Sink Current: 150 mA
  • Digital Output ±3.5 mA maximum
  • Electrical Connection Removable Screw Terminal
  • Electrical Output 0 to 5 Vdc
  • Height 50 mm
  • Impedance Input 2 GΩ (power on), 390 Ω (power off)
  • Input Capacitance Analog: 590 pf, Counter: 25 pf
  • Input Configuration Connected Software
  • Input Type Thermocouple, Voltage
  • Input Voltage Note Absolute Maximum Input Voltage: Analog: ±30V (Power On), ±10V (Power Off), Digital: 0 to 20 Vdc max (power On/Off, relative to DGND), Counter: ±20V max (Power On/Off)
  • Isolation 500 Vdc Minimum between field Wiring and USB Interface
  • Leakage Current ±120 nA
  • Length 245 mm
  • Memory EEPROM
  • Microcontroller One high-performance 8-bit RISC microcontroller with USB interface (non-isolated); one high‑performance 16-bit RISC microcontroller for measurements (isolated)
  • Number of Channels, Input Analog: 32 SE/16 DIFF, Digital: 8, Counter: 2
  • Operating Temperature, Max 50 °C
  • Operating Temperature, Min 0 °C
  • Output Noise Output: 30 µVrms
  • Output Settling Time 45 μs
  • Relative Humidity 0 to 90% RH non-condensing
  • Sampling Rate 1 kHz (1,000 updates/second)
  • Sampling Rate Note Single channel, 1000 S/s (max, system dependent); multiple channels, 1000 S/s divided by the number of channels (max, system dependent)
  • Series ID OMB-DAQ-2416-Series
  • Slew Rate 1.0 V/μs
  • Storage Temperature, Max 85 °C
  • Storage Temperature, Min -40 °C
  • Supply Current 340 mA
  • Supply Power Note Power: 5V ±5%, 340 mA supplied by included AC adaptor (OMB-DAQ-2416-ADAP), User Output Voltage: 5V, 10 mA max available (pin 35), Isolation: 500 Vdc min measurement system to PC
  • Supply Voltage 5 Vdc
  • USB Cable Length 5 m
  • Voltage Measurement Range ±0.20, ±10V, ±5V, ±2.5V, ±1.25V, ±0.625V, ±0.3125V, ±0.15625V, ±0.078125V
  • Warm Up Time 45 min
  • Weight 463 g
  • Width 146 mm
  • Wire Gauge 30 to 16 AWG

Supported Applications

The Omega OMB-DAQ-2416 Series consists of High Performance Multi-Function I/O USB Data Acquisition Modules. These modules are designed for use with the InstaCal™, TracerDAQ®, and Universal Library™ software suites to facilitate data acquisition tasks.

Operating Conditions & Performance

The series operates via a USB interface connection. The provided documentation does not specify hardware performance metrics such as measurement ranges, accuracy classes, resolution values, or response times for the OMB-DAQ-2416 Series modules themselves.

Configuration Options

The documented software suite supports multiple Omega data acquisition families including the OMB-DAQ-2400, OMB-DAQ-TC-RACK, OM-NET, OM-USB, OM-WEB, and OM-WLS Series. The available variant for this series is:

  • OMB-DAQ-2416-4AO

Software Compatibility

The associated software package includes drivers, examples, hardware manuals, user guides, ULx for NI LabVIEW™, and the following applications:

  • InstaCal™
  • TracerDAQ®
  • Universal Library™

Software compatibility is listed for Windows® 10/8/7/Vista® (32- or 64-bit).

Key Product Differences

The OMB-DAQ-2416 Series is identified as a USB Data Acquisition Module. The specific variant OMB-DAQ-2416-4AO represents the enumerated configuration available in this series listing.

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