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OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords 

our customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2014 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, 

reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the 

prior written consent of OMEGA ENGINEERING, INC.

FOR 

WARRANTY

 RETURNS, please have the  

following information available BEFORE  

contacting OMEGA:
1.   Purchase Order number under which the product 

was PURCHASED,

2.   Model and serial number of the product under 

warranty, and

3.  Repair instructions and/or specific problems  

  relative to the product.

FOR 

NON-WARRANTY

 REPAIRS, consult OMEGA 

for current repair charges. Have the following 

information available BEFORE contacting OMEGA:
1.  Purchase Order number to cover the COST  

  of the repair,
2.  Model and serial number of the product, and
3.  Repair instructions and/or specific problems  

  relative to the product.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. 

BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED 

RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID 

PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return 

package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent 

breakage in transit. 

 

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a 

period of 

13 months

 from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month 

grace period to the normal 

one (1) year product warranty

 to cover handling and shipping time. This 

ensures that OMEGA’s customers receive maximum coverage on each product. 
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service 

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. This WARRANTY is VOID if the unit shows evidence of  

having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; 

or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating 

conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not  

limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,  

OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for 

any damages that result from the use of its products in accordance with information provided 

by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the 

company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR  

REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF 

TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY 

AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF  

LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of  

OMEGA with respect to this order, whether based on contract, warranty, negligence,  

indemnification, strict liability or otherwise, shall not exceed the purchase price of the  

component upon which liability is based. In no event shall OMEGA be liable for  

consequential, incidental or special damages.

CONDITIONS:  Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic 

Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical 

applications or used on humans. Should any Product(s) be used in or with any nuclear installation or 

activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility 

as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify 

OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the 

Product(s) in such a manner.

Содержание OMB-DAQ-2408 Series

Страница 1: ...omega com e mail info omega com For latest product manuals omegamanual info OMB DAQ 2408 SERIES Multifunction USB Data Acquisition Modules Extended Warranty Program SM Shop online at User sGuide...

Страница 2: ...6 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide omega com info omega com The information contained in this document is believed...

Страница 3: ...pter 3 Functional Details 10 External components 10 USB connector 10 LEDs 10 Screw terminals 10 Signal connections 12 Input isolation 12 Analog TC input 13 Analog input mode 13 Gain queue 14 TC input...

Страница 4: ...User s Guide 4 Analog input output calibration 27 Digital input output 27 Counter 28 Memory 29 Microcontroller 29 Power 29 USB specifications 29 Environmental 30 Mechanical 30 Screw terminal connector...

Страница 5: ...ements present information to help you avoid injuring yourself and others damaging your hardware or losing your data bold text Bold text is used for the names of objects on a screen such as buttons te...

Страница 6: ...h sampling rates up to 1 kS s Each channel is software configurable as SE or DIFF For each DIFF channel pair you lose one SE channel Analog input ranges of 10 V 5 V 2 5 V 1 25 V 0 625 V 0 312 V 0 156...

Страница 7: ...s User s Guide Introducing the OMB DAQ 2408 Series 7 OMB DAQ 2408 Series block diagram OMB DAQ 2408 Series functions are illustrated in the block diagram shown here Figure 1 OMB DAQ 2408 Series functi...

Страница 8: ...are Please read this booklet completely before installing any software or hardware Unpacking As with any electronic device take care while handling to avoid damage from static electricity Before remov...

Страница 9: ...on If the LED is not on the device is not powered or did not initialize Figure 2 on page 10 shows the location of the STATUS LED Caution Do not disconnect any device from the USB bus while the compute...

Страница 10: ...s components USB connector The USB connector provides 5 V power and communication No external power supply is required LEDs OMB DAQ 2408 Series devices have two LEDs STATUS and ACTIVITY The Status LED...

Страница 11: ...ht DIFF CH0H CH0L to CH7H CH7L analog input connections Eight digital I O connections DI00 to DI07 Two analog output connections AOUT0 AOUT1 OMB DAQ 2408 2AO only Two counter inputs CTR0 CTR1 One powe...

Страница 12: ...isolated ground as shown in the figure below This ground is physically and electrically separate from the ground used by the circuit connected to the system bus interface Isolation provides a barrier...

Страница 13: ...mall signals in the presence of large common mode voltages Isolation increases the ability of the measurement system to reject common mode voltages The common mode voltage is the signal that is common...

Страница 14: ...nel gain queue feature to configure a list of channels modes and gains for each scan The settings are stored in a channel gain queue list that is written to local memory on the device The channel gain...

Страница 15: ...scharge ESD protection for each of the TC inputs However before handling TC sensors follow standard ESD practices and discharge any accumulated ESD charge Once the TC sensor is connected to the device...

Страница 16: ...e data and issues such as reference noise become less important At higher data rates higher frequency noise sources are not averaged out and begin to be troublesome These noise sources include the noi...

Страница 17: ...input Digital input voltage ranges of up to 0 to 15 V are permitted with thresholds of 0 6 V low and 2 2 V high Each DIO channel is an open drain which when used as an output is capable of sinking up...

Страница 18: ...e surface then carefully remove the top section of the case to expose the circuit board 5 Configure jumper J6 for either pull up pins 1 2 or pull down pins 2 3 The jumper is configured by default for...

Страница 19: ...a slight voltage impedance shift to digital lines in the on state as various lines change between the on off states Figure 13 Digital I O external resistor configuration Counter input The CTR0 and CT...

Страница 20: ...OMB DAQ 2408 Series User s Guide Functional Details 20 Mechanical drawings Figure 14 OMB DAQ 2408 Series device circuit board top and enclosure dimensions...

Страница 21: ...ifferential you essentially lose two single ended channels Input isolation 500 VDC min between field wiring and USB interface Channel configurations Temperature sensor input software selectable to mat...

Страница 22: ...avoid settling time and accuracy errors Table 2 Channel configurations Channel Category Specification CxH CxL Thermocouple 8 differential channels CxH CxL Voltage 16 individually configurable channel...

Страница 23: ...510 C 2 930 Co 089 250 C 2 165 C 1 468 C 1768 C 3 187 C 2 597 C B 250 C 5 489 C 3 956 C 0 14 700 C 2 283 C 1 743 C 1820 C 2 202 C 1 842 C E 200 C 2 413 C 1 352 C 0 017 0 C 1 069 C 0 551 C 1000 C 1 575...

Страница 24: ...33 14 76 8 19 6 94 4 75 4 69 4 49 3 70 3 34 2 56 2 45 0 15625 V 13 28 16 84 7 47 6 61 5 70 4 48 4 48 4 24 2 66 3 07 2 29 0 078125 V 13 47 15 02 9 17 6 88 4 28 4 16 4 00 3 57 2 28 2 13 2 40 Table 8 RM...

Страница 25: ...0016 0 0011 0 0011 0 0007 0 0007 0 0005 0 0005 0 0004 0 0005 0 0003 0 3125 V 0 0031 0 0031 0 0020 0 0017 0 0015 0 0012 0 0010 0 0010 0 0012 0 0009 0 0009 0 15625 V 0 0056 0 0062 0 0048 0 0037 0 0032 0...

Страница 26: ...76 0 71 0 36 0 18 15 73 53 58 48 40 65 25 25 6 27 3 85 3 23 1 64 0 66 0 33 0 17 16 68 93 54 82 38 11 23 67 5 87 3 61 3 03 1 54 0 62 0 31 0 16 Analog voltage output OMB DAQ 2408 2AO only Unused AOUTx o...

Страница 27: ...ax Long term stability 30 ppm 1000 hours AO calibration procedure OMB DAQ 2408 2AO only The analog output pin is internally routed to the analog input pin AOUTx readback OMB DAQ 2408 2AO only Each AOU...

Страница 28: ...150 mA max continuous for all eight channels DMOS transistor on resistance drain to source 4 Note 3 DGND pins are recommended for use with digital input and digital output pins The DGND and AGND pins...

Страница 29: ...ith USB interface non isolated One high performance 16 bit RISC microcontroller for measurements isolated Power Table 23 Power specifications Parameter Conditions Specification Supply current Note 8 Q...

Страница 30: ...re range 40 C to 85 C max Humidity 0 to 90 non condensing max Mechanical Table 26 Mechanical specifications Parameter Specifications Dimensions L x W x H 127 89 9 35 6 mm 5 00 x 3 53 x 1 40 in User co...

Страница 31: ...round 31 CH5H Channel 5 HI 10 CH3H Channel 3 HI 32 AGND Analog ground 11 CH3L Channel 3 LO 33 CH4L Channel 4 LO 12 AGND Analog ground 34 CH4H Channel 4 HI 13 DGND Digital ground 35 AGND Analog ground...

Страница 32: ...10 CH3 Channel 3 32 AGND Analog ground 11 CH11 Channel 11 33 CH12 Channel 12 12 AGND Analog ground 34 CH4 Channel 4 13 DGND Digital ground 35 AGND Analog ground 14 DIO0 Digital input output 36 AOUT1...

Страница 33: ...y 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 limite...

Страница 34: ...ity Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial...

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