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MicroLinks Tech 770 Manual

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Microlink 770
Man ual
Biodata Limited

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Summary of Contents for MicroLinks Tech 770

  • Page 1 Microlink 770 Man ual Biodata Limited...
  • Page 2 Man ual Code: 770PDF-1.1 Is sue Date: November 2015 Information in this document is subject to change without notice. Updates are listed on our web site at http://www.microlink.co.uk/techsupp.html © Biodata Limited 2011http://www.windmill.co.uk/help/http://www.windmill.co.uk/help/h 10 Stocks Street Manchester M8 8QG Telephone: +44 (0)161 834 6688 Facsimile: +44 (0)161 833 2190 E-mail: sales@microlink.co.uk http://www.microlink.co.uk/...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents Introduction Installing the Microlink 770 USB Unit 2.1 Plugging the Microlink 770 into the Computer 2.2 The Microlink’s Lights 2.3 Analogue Input Connection Notes 2.4 Clock and Trigger Connection Notes 2.5 Specifications 2.6 The 59x Screw Terminal Units 2.10...
  • Page 4 Microlink 770 Man ual...

  • Page 5: Introduction

    How to use Windmill with the 770 unit (Chap ter 4) To use the 770 sys tem you need a PC with a USB port. It should be run ning Win dows 98SE, Win dows 2000 or later. The Microlink 770 unit plugs into the USB (uni ver sal se rial bus) socket of your com puter.
  • Page 6 Microlink 770 Man ual • A dig i tal in put into the 770 lets other equip ment trigger data cap ture (Sec tion 2.4.2). • Al ter na tively wait un til 1 or 2 read ings cross a thresh old be fore au to mat i cally start ing to col lect data.

  • Page 7: Installing The Microlink 770 Usb Unit

    This chap ter tells you how to con nect your sig nals to the Microlink 770, and about the 59x screw ter mi nal units. After mak ing your con nec - tions see Chap ter 3 for de tails of in stall ing the Wind mill soft ware.

  • Page 8: Analogue Input Connection Notes

    Input Connection Notes 2.3 Analogue Input Connection Notes The Microlink 770 pro vides 16 dif fer en tial an a logue input chan nels which you can use to mea sure volt ages. With the ad di tion of 59x units you can also mon i tor thermocouples, cur rent, strain gauge bridges and balanced bridges like pres sure trans duc ers.

  • Page 9: Input Voltage Range

    0 V input on pin 19 2.3.2 Input Voltage Range The Microlink 770 op er ates cor rectly with input volt ages in the range ±11 V. The in puts will re ject volt ages which are com mon to both pos i tive and neg a tive in puts.

  • Page 10: Input

    Pins 18 and 37 (–15 V and +15 V) pro vide a power sup ply for the 593—don’t con nect any other sig nals to these pins. 2.4Installing the Microlink 770 USB Unit...

  • Page 11: Input

    Installing the Microlink 770 USB Unit 2.3.8 Use with Microlink 594 Bridge Input Unit When used with this unit the aux il iary input au to mat i cally measures the ex ci ta tion volt age con nected to the 594.
  • Page 12 Microlink 770 Man ualAnalogue Input Connection Notes Microlink 770 - 16 An a logue In puts Pin Con nec tions for 37-Way D Plug (Wiring View) +15 V –15 V + Auxiliary – Auxiliary + Input 15 – Input 15 + Input 14 –...

  • Page 13: Clock And Trigger Connection Notes

    Installing the Microlink 770 USB Unit 2.4 Clock and Trigger Connection Notes If you are using an ex ter nal clock or trig ger, make your con nec tions to the 15-way dig i tal con nec tor. (If you are using Streamer soft ware for trig ger ing and tim ing you can ig nore this sec tion.)

  • Page 14: Input

    This out put goes to 5 V when the unit starts to sam ple. You can use it as a trig ger to syn chro nise ex ter nal equip ment with the Microlink 770. The out put stays at 5 V until sam pling stops.

  • Page 15: Specifications

    Installing the Microlink 770 USB Unit 2.5 Specifications 2.5.1 Microlink 770 Unit Di men sions (mm) 180 x 120 x 40 Max i mum length of ca ble 5 m per ca ble Max i mum dis tance from PC can be in creased by use of USB hubs 2.5.2 Analogue Inputs...

  • Page 16: The 59X Screw Terminal Units

    The Microlink 59x range pro vides screw ter mi nals for the Microlink 770, al low ing you to per ma nently wire your sig nals . These 59x units sit next to the Microlink 770. Some of the 59x range allow trans duc ers like thermocouples and strain gauge bridges to be mon i tored by the 770.

  • Page 17: Input

    Installing the Microlink 770 USB Unit FITTING AP PLI CA TION COM PO NENTS Se ries Com po nents Com po nent posi tions S1 to S37 (0.4 inch pitch) are avail able to mount com po nents in series with D-type pins 1 to 37. Only S1 and S37 are named on the PCB because of lack of space.
  • Page 18 Bias re sis tors are fit ted to pro duce a small cur - rent through the thermocouples. This al lows ther mo cou ple break de tec tion. 2.12Installing the Microlink 770 USB Unit...
  • Page 19 The aux il iary chan nel of the 770 unit mon i tors the ex ci ta tion volt age. When mon i tor ing a bridge input, the Wind mill soft ware au to mat i - cally reads ex ci ta tion volt age and per forms the bridge cal cu la tion to pro duce a read ing in microstrain.
  • Page 20 770. Wind mill soft ware reads this chan nel to mea sure the ex ci ta tion volt age for use in the bridge equa tions. Each chan nel has as so ci ated with it 2 link mount ing po si tions and one re sis tor po si tion.
  • Page 21 Installing the Microlink 770 USB Unit Full Bridge Con nec tion The fig ure below shows a full bridge con nec tion. The Qx quar ter bridge link must be fit ted to con nect the –POWER INPUT to the –EX.

  • Page 22: Input

    Qx link con nects the –POWER INPUT to the –EX. Three wires are needed to con nect your bridge and the earth is avail able for a cable screen. Microlink 594 Half Bridge Con nec tion 2.16Installing the Microlink 770 USB Unit...
  • Page 23 Installing the Microlink 770 USB Unit Quar ter Bridge Con nec tion The fig ure below shows a quar ter bridge con nec tion. The Hx link con nects the half bridge to the –IN. The Rx bridge com ple tion re sis tor must be fit ted.

  • Page 24: Input

    If this is the case a con nec tion must be made from Microlink 770 0 V to the power sup ply neg a tive. This can eas ily be done on the Microlink 594. If this is not done, the bridge out put volt ages may be be yond the range of the 770 input am pli fi ers and false read ings will re sult.

  • Page 25: Installing Windmill Software

    2. Configure the software by telling it what type of measurement hardware you have connected to your computer. 3. Choose the settings to use with the Microlink 770. Make sure you have con nected your Microlink 770 to the PC be fore in stall ing Wind mill. Introduction3.1...

  • Page 26: Installing Windmill Software

    Microlink 770 Man ualInstalling Windmill Software 3.2 Installing Windmill Software For in stal la tion you will need a per sonal com puter run ning Microsoft Win dows 98 or later, with at least 8 MB RAM. 1. Insert the CD-ROM into the CD drive. Windows should detect the CD and automatically start the installation program.

  • Page 27: Configuring Your System

    For sug ges tions on the set tings to choose in ConfIML press the Help but ton. The main ConfIML win dow be fore you have added the Microlink 770. The first thing you need to do is press the Add but ton to in clude your Microlink 770 unit.
  • Page 28 Re peat for any other de vices you plan to use. 3.3.2 Changing Hardware Settings ConfIML needs to know some in for ma tion about your 770 unit. Press the Help but ton or see below if in doubt about the an swers. The Default but ton will reset all the answers to the Microlink’s default...
  • Page 29 Again, you can use chan nels not re quired for strain for gen eral volt age mea sure ment. Press OK and the Microlink 770 should be listed as: Microlink 770 USB An a logue In puts Microlink 770 Unit - Clock 3.3.3 Setting the Working Directory...
  • Page 30 Microlink 770 Man ual • press Save to re cord the cur rent con fig u ra tion and close ConfIML; • press Add to in stall ad di tional hard ware; • se lect an in stalled de vice and press Set tings to ad just the set tings you spec i fied for that de vice (if any);...
  • Page 31 Installing Windmill Software 3.3.6 The IML Device Icon When ever you run a Wind mill pro gram one or more IML De vice icons will ap pear. Dif fer ent icons iden tify dif fer ent hard ware driv ers. The Wind mill ap pli ca tions can’t run with out these, so don’t close them whilst using Wind mill.

  • Page 33: Using Windmill With Microlink 770 Hardware

    It also gives brief notes on the other Wind mill pro grams. You should have al ready: • con nected the Microlink 770 to your com puter’s USB port, • plugged any 59x unit into the Microlink 770 and •...
  • Page 34 For full de tails of using SetupIML se lect its Help menu. Here we de - scribe those set tings most per ti nent to the Microlink 770, high light ing the im por tant set tings when using the 770 with the Wind mill Streamer high speed data cap ture soft ware.
  • Page 35 Using Windmill with Microlink 770 Hardware 4.2.3 Configuring an Analogue Measurement Channel You can customise each chan nel, chang ing such things as their names, range and en gi neer ing units. Se lect a chan nel to con fig ure ei ther by dou ble-click ing the mouse over the chan nel, or by using the arrow keys on the key board and press ing the Re turn but ton.
  • Page 36 The Alarms But ton Streamer is op ti mised for high speeds and so does n’t sup port alarms. Maxi mising Streaming Speed 1. Disable unused channels (Section 4.2.3). 2. Turn off auto-ranging (Section 3.4.24.2.3). 4.4Using Windmill with Microlink 770 Hardware...
  • Page 37 To set the high speed op tions dou ble-click the 770 clock chan nel. This di a logue ap pears. Some set tings are dis abled as the 770 does n’t use these fa cil i ties. Note: the high speed op tions are only sup ported by the Streamer pro gram, and not by the other Wind mill pro grams such as Log ger or DDE Panel.
  • Page 38 Microlink hard ware. Now Streamer will take ini ti ate a scan at each ac tive edge oc cur ring at the clock input of the Microlink. See the Microlink 770 Hard ware User Man ual for de tails of con nect ing an external clock.
  • Page 39 Using Windmill with Microlink 770 Hardware Ex ter nal trig ger. Sam pling then starts from a logic pulse de rived from some ex ter nal event. See Chapter 2 for wir ing de tails. Set ting the Num ber Of Scans One way of stop ping sam pling is to spec ify the num ber of scans re - quired, after which data col lec tion will stop.

  • Page 40: The Rest Of The Windmill Software Suite

    ConfIML, SetupIML, AnalogOut, DigitalOut , DDE Panel, Log ger, Chart and Streamer. For high speed ap pli ca tions, or to take ad van tage of the 770’s tirggering op tions, use the Streamer soft ware. Streamer can stream data from an a logue in puts di rectly to the com puter’s hard disk. Al ter na - tively, for tran sient cap ture, Streamer saves data in mem ory and cop ies it to disk when col lec tion has fin ished.

  • Page 41: Auxiliary

    Index Index 590 screw ter mi nal unit 2.10 in stall ing Microlink 752 unit 2.1-18 590-8A cur rent unit 2.11 Windmill software 3.1-7 593 ther mo cou ple unit 2.4, 2.12 iso ther mal box 2.12 594 bridge unit 2.5, 2.13 Key board 4.3 ac in put 2.10 low pass fil ter 2.11...
  • Page 42 Microlink 770 Man ual ther mo cou ple 2.4, 2.12 trig ger 2.7-8 trig ger source 4.6 us age 4.3 Wind mill soft ware 2.1, 3.1-7, 4.1-8 ConfIML 3.3-5 earlier versions 3.2 installing 3.1-7 other modules 4.8 SetupIML 3.6, 4.1-7 several copies 3.2...

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