Instruction/ maintenance manual of the product USB-4761 Omega Engineering
Go to page of 39
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.
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.
USB-4761 8-channel Relay / Isolated DI USB Data Acquisition Module User Manua l.
Contents Chapter 1 Introduction ............ ............................... .......... 2 1.1 Features .... ......... ..... ...... ........ ......... ..... ............ ..... ......... ..... 2 1. 1 .1 Ro b us t Pr o tect io n ... .. .. ... .. .. .... .
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.
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.
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.
1.1.1 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.
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.
Figure 1.1: Inst allati on Flow Chart 5 Chapte r 1.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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 2.5: 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.
2.5.1 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.
. 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 .
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.
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.
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 .
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.
Figure 3.1: I/O Connector Pin Assignment 23 Chapte r 3.
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 ou.
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 ).
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.
A 2 S pecifications.
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.
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.
USB-4761 User Manual 30.
B 2 Function Block.
Appendix B Function Block USB-4761 User Manual 32.
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.
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.
An important point after buying a device Omega Engineering USB-4761 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega Engineering USB-4761 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omega Engineering USB-4761 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega Engineering USB-4761 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega Engineering USB-4761 will certainly help you make a decision on the purchase.
If you already are a holder of Omega Engineering USB-4761, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omega Engineering USB-4761.
However, one of the most important roles played by the user manual is to help in solving problems with Omega Engineering USB-4761. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega Engineering USB-4761 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
