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Omega Engineering USB-4761 - page 1
omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info U ser ’ s Guide USB-4761 8 Channel Relay/Isolated DI USB Data Acquisition Module Shop online at ...
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Omega Engineering USB-4761 - page 2
Servicing Nor th America: U.S.A.: One Omega Drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada Tel: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: U.S.A. and Canada: Sa ...
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Omega Engineering USB-4761 - page 3
USB-4761 8-channel Relay / Isolated DI USB Data Acquisition Module User Manua l ...
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Omega Engineering USB-4761 - page 4
Contents Chapter 1 Introduction ............ ............................... .......... 2 1.1 Features .... ......... ..... ...... ........ ......... ..... ............ ..... ......... ..... 2 1. 1 .1 Ro b us t Pr o tect io n ... .. .. ... .. .. .... . .. ... ... . .... .. .. .. ... .. .. ... .. .. .. .. ... 3 1.1.2 Wid e Input Ra nge . .... ..... ...
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Omega Engineering USB-4761 - page 5
Ta ble 3.1 :I/ O Co nne ct or Si gna l Description .. ............. 24 3.2.3 LED Indi ca tor Stat us Descripti on . ... ...... ..... .. ....... ...... .. 24 Table 3.2:LED Indicator Sta tus Descri ption . ... . ..... .... .. 24 3.3 Isolated Digital Input Connections... ........ ...... ..... ......... ... 25 3.3.1 Single-ended Channel Conne ct ion s ...
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Omega Engineering USB-4761 - page 6
1 2 Introduction This chapter will provide information on the features of the DAS module, a quick start guide for installation, and some brief information on software and accessories for the USB-4761 Module. Sections include: • Features • Applications • Installation Guide • Software Overview • Device Driver Programming ...
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Omega Engineering USB-4761 - page 7
Chapter 1 Introductio n Thank you for buying the USB-4761 data acquisition modul e. The USB- 4761 is a powerful data acquisition (DAS) module for the USB port. It features a unique circuit design and complete functi ons for data acquisition and control. 1.1 Featu res USB-4761 has the most requested measurement & control functions: • 8 relay o ...
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Omega Engineering USB-4761 - page 8
1.1.1 Robust Pro tection The USB-4761 digital input channels feature a robust isolation protection for industrial, lab and machinery au tomatio n app l icat ions. It durabl y withstands voltage up to 2,500 VDC, preventing your host system from any incidental harms. If connected to an external input source with surg e prot ection, the USB-4761 can o ...
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Omega Engineering USB-4761 - page 9
1.2 Applications • Industrial On/Of f control • Switch status sen sin g • Digi tal I/ O contr ol • Industrial and lab automation • SMT/PCB machinery • Semi-conductor machinery • PC-based Industrial Machinery • T esting & Measurement • Laboratory & Education • External relay driving 1.3 Installation Gui de Before you inst ...
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Figure 1.1: Inst allati on Flow Chart 5 Chapte r 1 ...
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Omega Engineering USB-4761 - page 11
1.4 Sof tware Overview OMEGA offers a rich set of DLL drivers, th ird-party driver support and application software to help fully exploit th e functions of your USB-4761 mo dul e: • Device Drivers (on the companion CD-ROM) 1.4.1 Programmi ng Choices for D A&C Module: Yo u may use the application software like the Device Dr iv ers. On the othe ...
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Omega Engineering USB-4761 - page 12
1.5 Device Dri ver Progr amming This section will provide a roadmap to demons trate how to build an appli- cation from scratch using the Device Drivers with your favorite development tools such as V isual C++, V isual Basic. The step-by-step instructions on how to build your own applications using each development tool will be given in the Device D ...
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Omega Engineering USB-4761 - page 13
1.5.2 Programming w ith Device Driv ers Functi on Library The Device Drivers of fer a rich function library that can be utilized in various application programs. This functi on library consists of numerous APIs that support many development tools, such as V isual C++, V isual Basic. 1.5.3 T roubleshoo ting Device Driv ers Error Driv er functions wi ...
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Omega Engineering USB-4761 - page 14
2 2 Inst allation This chapter has a package item check- list, proper instructions about unpack- ing and step-by-step procedures for both driver and USB installati on.. Sections include: • Unpacking • Driver Installation • Hardware Installation • Device Setup & Configuration • Device T esting • Hardware Uninstallation ...
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Omega Engineering USB-4761 - page 15
Chapte r 2 Inst allation 2.1 Unp a cking After receiving your USB-4761 package, please inspect its contents first. The package should contain the foll owi n g item s: • USB-4761 Module • Shield ed USB 2.0 Cable ( 1.8 m ) • Companion CD-ROM (DLL driver included) The USB-4761 Module harbors certain electronic components vulnerable to electr os ...
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Omega Engineering USB-4761 - page 16
2.2 Driver Inst allation W e recommend you install the software driver before you install the USB-4761 module into your system, sinc e this wil l g uarantee a smooth installation process. The 32-bit DLL driver Setup program for the USB-4761 module is included on the companion CD-ROM that is shipped with your module package. Please follow the ste ps ...
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Omega Engineering USB-4761 - page 17
St e p 3 : Click Continue , and sel ect th e Install ation option St e p 4 : Select the specific device and th en just fo ll ow th e ins talla tion instructions step by step to complete your device driver installati on and setup. For further information on driver-related issu es, an online version of the Device Drivers Manual is available by access ...
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Omega Engineering USB-4761 - page 18
Figure 2.2: Device Nam e on the Device Manager Note : If your mod ule is pr oper ly in st al led, you sh ould see the device name of your module listed on th e Device Manage r ta b. I f yo u see you r d evice n ame listed, but mar ked with an exc lam at ion sign “!” , it mea ns you r mo dule ha s not be en co rr ectly inst al led. In this c ase ...
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Omega Engineering USB-4761 - page 19
Afte r your mo dule is properly installed with y our system, you can now configure your device using the Device Manager th a t has itself already been installed on your system during driver setup. A complete device installation pr ocedure should include device setup , configuration and testing . The following sections will guide you through the Set ...
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Omega Engineering USB-4761 - page 20
St e p 2 : Yo u can view the device(s) alread y inst alled on your system (if any) in the Installed Devices list box. If you haven’t installed any devices, you might see a blank list. Figure 2.4 : De vice Manager Dialog Box Note: If you ha ve properly installed the device driver but still can’t find it in Devi ce Manager , please clo s e the De ...
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Omega Engineering USB-4761 - page 21
Figure 2.5: The Device Setting Dial og Box Note : Pleas e r efe r to th e so ft war e ma n u al S tart/Pro gra ms/Omega U SB-4700 series/Device Driver’s Manual for the firmw are download util ity guidance and further info rmation. 2.5 Device T estin g Following the Setu p and Configuration procedures to the last step described in the previous sec ...
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Omega Engineering USB-4761 - page 22
2.5.1 T esting Digit al Input Func tion Click the Digit al In put tab to show the Digita l Input test panel as seen below . By the color of the LEDs, you can easily discern whether the sta - tus of each digital input channel is high or low . Figure 2.6: Digi t a l Input T ab in Device T est Dial og 2.5.2 T esting Digit al Output Function Click the ...
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Omega Engineering USB-4761 - page 23
. Figure 2. 7: Di git al Out put T ab in Device T est Dialog Only after your module device is properly s et up, configured and tested, can the device installation procedure be considered complete. After the device installation procedure is completed, you can safely proceed to the next chapter , Si gn al Connections . 2.6 Hardware Uninstallation Tho ...
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Omega Engineering USB-4761 - page 24
St e p 2 : Right click the “Unplug or Eject Hardware” icon on your task bar . Figure 2. 8: Un plug or Eject Hardware Dialog St e p 3 : Select “USB471 1 Device” and press “S top” Button. Figure 2.9 : S top a Hardware device di alog box 19 Chapte r 2 ...
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Omega Engineering USB-4761 - page 25
St e p 4 : Unplug your USB devi ce from the USB port. Note : Plea se mak e sur e that you ha ve clo se d t he app li cat ion prog rams bef ore unplu gging the US B device , otherwise some une xpecte d system erro rs or damage s may ha p- pen. USB-4761 User Manual 20 ...
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Omega Engineering USB-4761 - page 26
3 2 Signal Connections This chapter provides useful informa- tion on how to connect input and output signals to the USB-4761 via the I/O connectors.. Sections include: • Overview • I/O Connectors • Field W iring Considerations ...
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Omega Engineering USB-4761 - page 27
Chapter 3 Signal Connection s 3.1 Overview Maintaining good signal connections is one of the most important factor s in ensuring that your application system is sending and receiving data correctly . A good signal connection can avoid unnecessary and costly damage to your PC and other hardware devices. 3.2 I/O Connectors USB-4761 is equipped with p ...
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Omega Engineering USB-4761 - page 28
Figure 3.1: I/O Connector Pin Assignment 23 Chapte r 3 ...
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3.2.2 I/O Conne ctor Signal Descri ption T able 3.1: I/O Connector Signal Description Signal Name Description NO<0~ 7> Normal ly Open pin of re lay output COM<0~ 7> Common pi n of relay out put NC< 0~7> Normal ly Close pin o f rela y out p ut IDInA <n=0 ~7> Iso lated digital input A IDInB < n= 0~7> Iso lated di gital i ...
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Omega Engineering USB-4761 - page 30
3. 3 Is ola ted Dig it al Input Connections 3.3.1 Single-ende d Channel Connections USB-4761 has 8 isol ated digital inpu t channels. Each of isolated digital input channel accepts 10~30 V DC voltage inputs, and accept bi-direc- tional input. It means that you can apply positive or negative voltage to an isolated input pin (V in ). The figure below ...
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Omega Engineering USB-4761 - page 31
3.5 Fiel d Wirin g Consider ations • When you use USB-4761 to acquire data from outside, noises in the environment might significantly af fect the accuracy of your measure- ments if due cautions are not taken. The following measures will be helpful to reduce possible interference running signal wires between signal sources and the USB-4761. • T ...
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Omega Engineering USB-4761 - page 32
A 2 S pecifications ...
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Omega Engineering USB-4761 - page 33
Appendix A Sp ecifications A.1 Isolat ed Digit al Input Channels 8 Optical Isolation 2,500 VDC Opto-isolator response time 25us Input V oltage VIH (max.) 30VD C VIH (min .) 5VDC VIL (max,) 2VDC Input current 5VDC 1.2mA 12VDC 3.3mA 24VDC 6.9mA 30VDC 8.7mA A.2 Relay Output Channels 8 Relay T ype For m C Rating (Resistive) 30 VDC@1 A 1 10 V AC@0.3 A 1 ...
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Omega Engineering USB-4761 - page 34
A.3 Ge n era l I/O Connector T ype Re movable 10 -p in sc rew te rm i na l x 5 Dimensions 132 X 80 X 32 mm (5.2” X 3.2” X 1.3”) Power Consumption 60mA@+5V typical, 400mA@+5V max. T e mperatur e Oper ation 0~60 (32~140) (refer to IEC 68-2 -1, 2) S torage -20~70 (-4~158) Relative Humidi ty 5%~95% RH non-condensing (ref er to IE C 68- 2-1, 2) 29 ...
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USB-4761 User Manual 30 ...
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B 2 Function Block ...
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Appendix B Function Block USB-4761 User Manual 32 ...
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Omega Engineering USB-4761 - page 38
W ARRANTY / 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 ...
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Omega Engineering USB-4761 - page 39
Where Do I Find Ever ything I Need for Pr ocess Measurement and Control? OM EGA…Of Course! Shop online at omega.com TEMPERA TURE 䡺 ⻬ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies 䡺 ⻬ Wire: Thermocouple, RTD & Thermistor 䡺 ⻬ Calibrators & Ice Point References 䡺 ⻬ Recorders, Controllers & ...
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