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Summary of Contents for Omega OM-USB-1208HS Series
- Page 2 For Other Locations Visit omega.com/worldwide The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves the right to alter specifications without notice. WARNING: These products are not designed for use in, and should not be used for, human applications.
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Page 3: Table Of Contents
Where to find more information ......................... 5 Chapter 1 Introducing the OM-USB-1208HS Series .................... 6 Software features ..............................7 Chapter 2 Installing a OM-USB-1208HS Series Device ..................8 What comes with your shipment? ........................8 Hardware ..................................8 Documentation .................................. 8 Unpacking................................8 Installing the software ............................ - Page 4 OM-USB-1208HS Series User's Guide Mechanical ............................... 22 Screw terminal connector and pinout ....................... 22...
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Page 5: Preface
Preface About this User's Guide What you will learn from this user’s guide This user's guide describes the Omega Engineering OM-USB-1208HS Series data acquisition devices and lists device specifications. Conventions in this user's guide For more information about … Text presented in a box signifies additional information and helpful hints related to the subject matter you are reading. -
Page 6: Introducing The Om-Usb-1208Hs Series
These devices are USB 2.0 high-speed devices supported under popular Microsoft Windows operating systems. The OM-USB-1208HS Series is compatible with both USB 1.1 and USB 2.0 ports, although the speed of the module maybe limited when using USB 1.1 ports. Each OM-USB-1208HS Series device provides the following features: ... -
Page 7: Software Features
Figure 1. Functional block diagram Software features For information on the features of InstaCal and the other software included with your OM-USB-1208HS Series hardware, refer to the OMB-DAQ-2400, OM-USB, OM-WEB, and OM-WLS Series Data Acquisition Software User's Guide that shipped with the device. -
Page 8: Installing A Om-Usb-1208Hs Series Device
To connect a OM-USB-1208HS Series device to your system, turn on your computer and connect the USB cable to an available USB port on the computer or to an external USB hub connected to the computer. Connect the other end of the USB cable to the USB connector on the device. -
Page 9: Calibrating A Om-Usb-1208Hs Series Device
This should restore communication, and the LED should turn on. Calibrating a OM-USB-1208HS Series Device OM-USB-1208HS Series devices are shipped fully calibrated. Calibration coefficients are stored in EEPROM. Return the device to Omega Engineering when calibration is required. The normal calibration interval is once per year. -
Page 10: Chapter 3 Functional Details
Chapter 3 Functional Details Analog input acquisition modes OM-USB-1208HS Series devices acquire analog input data in two modes – software paced and hardware paced. Software paced mode You acquire one analog sample at a time in software paced mode. You initiate the A/D conversion by calling a software command. -
Page 11: Screw Terminals
OM-USB-1208HS Series User's Guide Functional Details LED blinks when data is transferred, and is off otherwise. Activity Refer to Figure 2 for the location of each LED. Screw terminals The device screw terminals provide the following connections: Eight analog input connections (... -
Page 12: Signal Connections
OM-USB-1208HS Series User's Guide Functional Details Figure 4. DIFF mode pinout * Pins 29 and 30 are "NC" on the OM-USB-1208HS. Pins 32 and 33 are "NC" on the OM-USB-1208HS and OM-USB-1208HS-2AO. Signal connections Analog input You can configure the analog inputs for SE or DIFF mode. -
Page 13: External Clock I/O
OM-USB-1208HS Series User's Guide Functional Details Each channel can be software-paced at rates up to 5,000 updates per second (system-dependent), or hardware- paced at rates up to 1 MS/s. Each analog output on the OM-USB-1208HS-2AO and OM-USB-1208HS-2AO has a fixed ±10 V output range. -
Page 14: Counter I/O
OM-USB-1208HS Series User's Guide Functional Details Figure 6. W34 jumper location (default pull-down setting shown) Figure 7. W34 jumper – pull-down and pull-up configurations Replace the top section of the case, and fasten it to the bottom section with the four screws. Replace the rubber feet onto each screw. -
Page 15: Trigger Input
OM-USB-1208HS Series User's Guide Functional Details Figure 8. PWM timer output schematic Refer to Figure 3 on page 11 for the location of the pin. Trigger input connection is an external digital trigger input. The trigger mode is software-selectable for: TRIG ... -
Page 16: Chapter 4 Specifications
Chapter 4 Specifications All specifications are subject to change without notice. Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. Analog input Table 1. Analog input specifications Parameter Condition Specification A/D converter Analog Devices AD7329 13-bit successive approximation type ... - Page 17 0 – 10 V (SE mode) ±3.29 typ, ±5.13 max Table 3 summarizes the noise performance for OM-USB-1208HS Series hardware. Noise distribution is determined by gathering 50 kS with inputs tied to ground at the user connector. Samples are gathered at the maximum specified sampling rate of 1 MS/s.
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Page 18: Analog Output (Om-Usb-1208Hs-2Ao, Om-Usb-1208Hs-4Ao)
OM-USB-1208HS Series User's Guide Specifications Analog output (OM-USB-1208HS-2AO, OM-USB-1208HS-4AO) Table 5. Analog output specifications Parameter Condition Specification D/A converter Texas Instruments DAC7553 Number of channels OM-USB-1208HS-2AO: 2 independent OM-USB-1208HS-4AO: 4 independent Resolution 12 bits Output range Calibrated ±10 V Uncalibrated ±10.2 V... -
Page 19: External Trigger
OM-USB-1208HS Series User's Guide Specifications External trigger Table 7. External trigger specifications Parameter Specification Trigger source TRIG input Trigger mode Software-selectable for edge or level sensitive, rising or falling edge, high or low level. Power on default is edge sensitive, rising edge. -
Page 20: Counters
OM-USB-1208HS Series User's Guide Specifications Counters Table 9. Counter specifications Parameter Specification Counter terminal names CTR0, CTR1 Counter type Event counter Number of channels Schmitt trigger, 33 Ω series resistor, 47 kΩ pull-down to ground Input type Schmitt trigger hysteresis 0.4 V to 1.2 V... -
Page 21: Power
Subminiature Surface Mount Fuse. Spare fuse mounted in holder on PCB. This is the total current consumption for OM-USB-1208HS Series hardware, including +5 V, digital Note 1: output and analog output currents (if supported). Output voltage range assumes input power is within specified limits. -
Page 22: Environmental
OM-USB-1208HS Series User's Guide Specifications Environmental Table 14. Environmental specifications Parameter Specification Operating temperature 0 °C to 50 °C range –40 °C to 85 °C Storage temperature range Humidity 0% to 90% non-condensing Mechanical Table 15. Mechanical specifications Parameter Specification Dimensions (L ×... - Page 23 OM-USB-1208HS Series User's Guide Specifications OM-USB-1208HS-2AO and OM-USB-1208HS-4AO only; NC (no connection) on the OM-USB-1208HS. OM-USB-1208HS-4AO only; NC (no connection) on the OM-USB-1208HS AND OM-USB-1208HS-2AO. OM-USB-1208HS-2AO and OM-USB-1208HS-4AO only; NC (no connection) on the OM-USB-1208HS. Table 18. Differential mode pinout...
- Page 24 Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
- Page 25 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...
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