ADIO-01 User`s Manual
Contents
1. Fig 7 Rear side channels MODE setting MODE value all eight rear panel channels are inputs IN9 IN16 this is the default at power up the first four rear panel channels are outputs OUT1 0UT4 The remaining are inputs IN13 IN16 all eight rear panel channels are outputs OUT1 OUTS8 Table 3 MODE configuration for rear panel input output channels ADIO 01 user s manual 9 NOTE It is only possible to decrease the mode setting 2 2 1 20 but it is not possible to go back To go back the ADIO must be turned off and back on and the software restarted This will bring the mode setting back into mode 2 The rear panel channels can always be read as inputs regardless of their mode of operation In the Virtual User Interface Fig 2 window the virtual instruments associated to the eight rear panel inputs outputs are those in the lower right part For each of them it is possible to select the scale by clicking on the arrows located below the display bar The input voltage ranges of the various scales are as follows Value Channels 9 16 rear panel 0 0 25 Table 4 Sensitivity scales for rear panel inputs When using the rear panel channels as outputs their output value voltage can be set by means of the rotary knobs on the left side of the Virtual User Interface Fig 2 At the same time the associated input instruments lower right side show the actual value read back You can use this featu2. ADIO 01 User s Guide PC and Macintosh Revision 1 0 1999 2001 ADIO 01 user s manual 2 Contents 1 WELCOME 4 2 CONTENT OF THE PACKAGE vissicsscisiscscssesicscciesssisssesscssseasesdsssecssasssecscdcsbessossseasesdcsdecdcocseecdedesdosseesseedecdessecseessecs 4 3 PRODUCT HIGHLIGHTS 4 4 MINIMUM SYSTEM REQUIREMENTS ssssccssssssccssssccssscccssssccccssscccesssccccssssccccssscccesssccccsssaccessssccssssccesessnees 4 41 PC COMPATIBLE COMPUTER 4 AD a eos stots ess kee 5 5 INSTALLATION sscssiscssscscistsssessetestenscosssncoencosecsesssooseedasbensensssecesesososses segeesevesdosaasonseees debonduaseoesauensonsenscedee vbsosecdoassacs 5 Se HARDWARE ih a ne ee ete en he te ai ae te 5 53 SOFWARE A toe a nals Ulett GA Mee dl nel Males adnan Mea dhl enc 6 6 ADIO OPERATING INSTRUCTIONS cccccccccsccccccscscccccscscccscscscsccssssssscssscscssscssscscscscscscscscscsssccscecececscscoces 7 6 1 USING THE INPUTS FRONT SIDE cccccscssscsesesececscececevsccececscsvsvsvsvsecusscacacevavavessececsssvavavsnsesssnsacacacavevsveeeeserevens 7 6 2 USING THE OUTPUTS INPUTS REAR SIDE ecccscscssssesscscsesececsvsvsessucusncucececavavsscecessssvavavavsesesnsacacaceveveveececersvens 8
3. 2 1 2 2V 42V Table 2 Sensitivity scales for frontpanel inputs In the Virtual User Interface Fig 2 window the virtual instruments associated to the eight front panel inputs are those in the upper right part For each of them it is possible to select the scale by clicking on the arrows located below the display bar The pin out of each input connector DIN 3 pin is as follows ADIO 01 user s manual 8 screen 7 5V out signal GND signal input Fig 5 Front side input connector pin out The optional 5VDC power supply output is provided for active sensors or external signal conditioning circuits Please refer to the datasheet for detailed technical specifications Exceeding the maximum ratings may result in a permanent damage of the instrument 6 2 Using the outputs inputs rear side A total of eight input output channels are available on the rear side of the instrument The pin out of the connector is as follows IN OUT GND IN OUT GND IN OUT GND IN OUT GND IN OUT GND IN OUT GND IN OUT GND IN OUT GND Ch 1 Ch 2 Ch 3 Ch4 Ch 5 Ch6 7 Ch 8 Fig 6 Rear side input output connector After power up the eight channels are all set up as inputs The user can then configure four or all eight of them as outputs by changing the MODE setting Adio vi File Edit Operate Windows Help Outputs 0 Out2 Out3 30 40 30 40 30 40 30 40 to See 0
4. 4 2 Macintosh computer PowerPC processor or 68k processor with math coprocessor 16 MB RAM or more 50 MB free hard disk CD ROM drive 1 serial port printer or modem port also some external USB to serial adapters may work Please contact MEET Ltd for information MacOS 7 0 or higher LabView 5 0 or higher or Code Warrior Note the enclosed demos have been tested only on PowerPC machines with MacOS 8 x or higher 5 Installation 5 1 Hardware turn off the ADIO instrument configure the Address ID of ADIO by means of the rotary switch on the rear panel use a small screwdriver connect the serial cable between the computer s serial port and ADIO Make sure that the cable is inserted into the lower Master connector on the ADIO connect ADIO to the power supply 24 Volts DC using the cable included in the package Either power input connector upper or lower can be used ADIO s rear panel turn on ADIO by pressing the button on the front panel The green LED on the front panel must go on to turn off ADIO press again the button on the front panel ADIO is now ready to work and waits to receive command from the personal computer NOTE that the rotary switch is only read at power up To make a change in the position of the rotary switch become effective ADIO must therefore be turned off and on again Connecting multiple ADIO or other equivalent e g DIGIO units to a single personal compu
5. 637 USING THEIRELAYS cM cane aie PG Ee taeda ls 9 7 DEVELOPMENT TOOLS srcisscicsscisssccsscschcscdassscdeceschcssstssscesseachosevessscdeseccsossssesscesseacdoscsadsscdeseccdosesasescessedebedesasescesss 10 Tel PCHQVINDOWS tee ues ws eee net A ae nea care ae 10 7 2 MACINTOSH 68K PPC cccccccccssssccecesecsvsvsesesesncscecececevsveecececsssvavavsvsesssnsacacaavaveesesessvavavasesesusacacacavevsveececerevens 10 7 3 OVERVIEW OF THE SERIAL COMMUNICATION PROTOCOL RS 232 10 8 ORGANIZATION 2 2 cosedeadenss oocsacocdesaessaosas sb edecdacoscdenadeeveacesasecvdstosasacedonasescbecsecsass 11 SEIS WINDOWS cece cele Moar teh dead Abe 11 ed ne eet R etal fer ees ala tas hr eR E 12 9 sesaseevesscsaus saadseseessasoeecsaneaseesonoeesse 13 10 CONTACT INFORMATION sccccssssssssrsssssssrsssssssssesesenssssscenssescessnsescssssceseneesessessescssenesseseesessessesessesseseseens 13 ADIO 01 user s manual 3 ADIO and DIGIO are registered trademarks of MEET Ltd LabView is a registered trademark of National Instruments Corp Macintosh is a registered trademark of Apple Computer Inc CodeWarrior is a
6. The instrument was designed for applications in industry building automation education and laboratory For more details please read the enclosed product datasheet MEET provides a comprehensive range of free software tools for the ADIO including drivers in C C and LabVIEW as well as ready to use stand alone software applications The enclosed CD contains software for both Windows PCs and Macintosh computers Software updates are available for free from our web site Alternatively MEET also offers custom software design services to its customers A range of optional accessories round up the offerings including signal conditioning modules for various physical variables power supplies connectors and cables please contact the factory or your local sales representative Third party accessories available include USB to RS 232 adapter for both PC and Mac 4 Minimum System Requirements 4 1 PC compatible computer 486 processor or higher 16 RAM or more 50 free hard disk CDROM drive 1 serial port COM1 4 Windows3 1 or Windows95 98 or Windows NT or higher LabView 5 0 or higher or VisualC i Note the enclosed demos have been tested only on PCs running Windows95 98 i LabVIEW is a registered trademark of National Instruments Corporation ii Not required to run the demos contained on the CD Only needed for LabView or C C application development ADIO 01 user s manual
7. IO contains two relays rated at 230VAC 8A whose contacts are available at the rear panel of the instrument The relays can be controlled by the switches provided on the bottom left side of the Virtual User Interface Fig 2 An LED indicates the relay status The relays are normally open in the inactive position Please refer to the datasheet for maximum output load_and voltage ratings Exceeding these values may result in a permanent damage of the instrument ADIO 01 user s manual 10 7 Development Tools It is quite easy to design custom applications for the ADIO on both Windows and Macintosh platforms by using the software driver package provided on the enclosed CD The developer must have a full version of either LabVIEW Win or Mac or VisualC Win or CodeWarrior Mac Free drivers offered include 7 1 Windows source code LabVIEW More details programmer s reference manuals can be found directly in the corresponding directory on the CD 7 2 Macintosh 68k PPC Code Warrior source code LabVIEW More details programmer s reference manuals can be found directly in the corresponding directory on the CD Check our web site for updates 7 3 Overview of the serial communication protocol RS 232 ADIO implements a special multi drop serial protocol over RS 232 allowing multiple units to be connected in a chained topology Each instrument acts as a repeater in this proto
8. anual 12 8 2 Macintosh 16 items 428 2 MB available Code warrior v amp Labview 68k Distribution 3 Adio Cy Examples 68k Cy Lib 68k Digio Gy Examples 68k Lib 68k PFC Distribution 3 Adio Gy Examples Lib PPc CY Digi Gy Examples b b b b b b v b b Fig 9 Macintosh CD organization The structure and content of the CD for Macintosh users is very similar to its Windows counterpart The main differences are the CodeWarrior folder contains driver source code and related documentation for CodeWarrior developers instead of VisualC LabVIEW software is split into two categories 68k and PPC The software in the PPC folder is intended for machines with a PowerPC processor the software in the 68k folder is for the older 680x0 computers Documentation for developers is included ADIO 01 user s manual 13 9 Warranty This product is guaranteed to be free from defects in materials and workmanship for a period of 1 one year from the time of its original purchase The warranty is limited to the replacement of the defective material Transport costs are not covered 10 Contact information MEET Electronics Ltd P O Box 6877 Coldrerio Switzerland Phone 41 0 91 6300270 Fax 41 0 91 6300277 Internet www meet electronics com Email addresses Support support meet electronics com Sales sales meet electronics com
9. col The communication is made of command and response telegrams All telegrams are sequences of bytes containing ASCII characters numbers are also encoded as ASCII numbers with exception of the first byte of a telegram which contains the address field i e the information required to select to which instrument the telegram is directed or from which it is coming All telegrams are terminated by a CARRIAGE RETURN r 0x0d A line feed Ox0a can also be appended but is not required Telegram format n parameter is the first byte transmitted r is the last where n address of the instrument to which the command is directed with the following format MSB LSB binary byte L 4 Destaination Address ID Important the most significant bit MSB must be 1 in order to differentiate this byte from the remaining ones which are all pure ASCII with the first bit set to 0 15 a word that specifies the command type ASCII string or specify if the command is affirmative or interrogative ASCII character Parameter is required for some commands this field contains additional information required by the command ASCII string iv VisualC is a registered trademark of Microsoft Corporation V Code Warrior is a registered trademark of Metrowerks Corporation ADIO 01 user s manual 11 Response telegrams and error checking To answer to a command the ad
10. dressed instrument echoes it and then appends its own response parameter field if required The software on the computer must be implemented in such a way to check against errors in the returned echo and eventually discard wrong telegrams The instrument itself also contains a simple syntax check and it discards command telegrams with wrong syntax or transmission errors All connected instruments receive all the telegrams sent by the computer downstream but only the one that s addressed is allowed to send an answer The upstream data flow is not monitored by the other instruments 8 Organization of the CD The CD is a hybrid i e it can be opened both on Windows and Macintosh machines looking different on both of them each platform actually sees only the part intended for it 8 1 Windows Labview Adio re Digio Examples H Lib Fig 8 Windows CD organization The folder VisualC contains the driver routines source files and related documentation for VisualC developers Both ADIO and DIGIO folders inside the LabVIEW folder contain software for the corresponding instrument The subfolders of ADIO and DIGIO are Examples and Lib The first contains stand alone running application programs and examples including ADIO described in chapter 5 2 all designed with LabVIEW The second contains LabVIEW drivers VI s and related documentation for LabVIEW developers ADIO 01 user s m
11. may cause radio interference in which case the user may be required to take adequate measures MEET Ltd 1999 2001 MEET the We and come et logos are registered trademarks of MEET Electronics Ltd Coldrerio Switzerland ADIO 01 user s manual 4 1 Welcome Thank you for choosing a quality product from MEET Electronics Reading this document will help you get the best out of your new instrument and avoid common mistakes We are sure that our product will work to your full satisfaction and let you enjoy troublefree operation over many many years 2 Content of the package The present package contains 1 ADIO 01 unit 1 ADIO CD fits both Windows and Macintosh containing documentation and software computer serial cable Macintosh serial cable must be ordered separately DC power input cable 3 Product Highlights ADIO stands for Analog Digital Input Output Module and as the name implies it is a data acquisition and control DAQ instrument to be operated from a personal computer Each ADIO unit offers up to eight analog outputs and 8 to 16 analog inputs in addition to two relay outputs Unlike other products on the market the analog outputs of the ADIO 01 are capable of driving loads over 30 Watts per channel Built in networking capabilities allow to connect a chain of up to 15 ADIO 01 or other similar equipment such as MEET s DIGIO to a single computer s RS 232 port No PCI slot and no GPIB adapter is needed
12. orrespondence 0 2 1 2 2 2 3 3 gt 4 0 gt Modem 1 gt Printer Table 1 Serial port identification Please enter the correct values according to the installation that you have made After pressing OK you should get full control over the ADIO Example The rotary switch on your ADIO is set to 1 and you have connected the serial cable to the COM1 port PC Modem port Mac Then the settings you have to make are exactly the same as those indicated in Fig 4 In a similar way you can now try out all the other software examples provided on the CD some of them do actually not require an ADIO to by physically present but simulate it instead 6 ADIO Operating Instructions The ADIO has three main functional blocks inputs on the front side inputs outputs on the rear side relay outputs on the rear side The following paragraphs explain how to use these functions with our sample software provided on the CD Please start the ADIO computer program according to the instructions given in paragraphs 5 1 and 5 2 More flexibility can be achieved by programming custom applications using our C C or LabVIEW drivers 6 1 Using the inputs front side Each of the eight inputs on the front side can have a different sensitivity scale The input voltage ranges of the various scales are as follows Scale Channels 1 8 front panel Sensitivity 10 V 10V 0 5
13. re to implement control loops or check against short circuits or overloads Outputs can also be used to generate AC waveforms 7 7 to 200 Hz approx This functionality can be set by means of the horizontal Frequency slider controls on the left side of the Virtual User Interface Frequency 0 zero defaults to DC The waveform in AC mode is basically trapezoidal with constant limited slopes to reduce harmonic content and noise emissions Since the slope of the waveform s edges is constant and independent of the frequency at higher frequencies the trapezoids look more like triangles and the effective amplitude decreases When operating in AC mode two adjacent outputs are always automatically paired and driven with complementary polarity but same amplitude and frequency Therefore a command sent to channel also affects channel 2 the command sent to channel 3 also affects channel 4 and so on The user can choose if he she wants to connect his load between an output and ground or across two paired outputs The latter case corresponds to a bridge mode operation It actually doubles the output voltage and removes the DC component across the load Putting the frequency back to 0 DC lets the previously paired outputs again become independent Please refer to the datasheet for maximum output load_and voltage ratings Exceeding these values may result in a permanent damage of the instrument 6 3 Using the relays Each AD
14. registered trademark of Metrowerks Corporation VisualC is a registered trademark of Microsoft Corporation Information furnished by MEET is believed to be accurate and reliable However the company cannot assume responsibility for use of any product circuit or software other than those embodied in a MEET product nor for any infringements of patents or other rights of third parties that may result from its use No license is granted by implication or otherwise under any patent or patent rights of MEET MEET reserves the right to make changes without further notices to any of its products MEET makes no warranty representation or guarantee regarding the suitability of its products or software for any particular purpose nor does MEET assume any liability arising out of the application or use of any product circuit or software and specifically disclaims any and all liability including without limitation consequential or incidental damages MEET does not warrant that the operation of the software will be uninterrupted or error free or that defects in the software will be corrected MEET products are not designed intended or authorized for use as components or applications intended to support or sustain life or for any other application in which the failure of the MEET product could create a situation where personal injury or death may occur All enclosed documents and software are protected by copyright No part of this document or other document
15. s contained on this CD may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical Photocopying recording or otherwise without the prior written permission of MEET Ltd The software or parts of it may not be duplicated except for the transfer thereof to a single hard disk in which case the original must be kept solely for backup or safe keeping purposes The user may physically transfer the software from one computer to another but may not network the software transfer it electronically from one computer to another through a modem install on a service bureau or other remote access system whereby other persons can benefit from the use of the software or use it on more than one computer at the same time Modification adaptation translation reverse engineering disassembly of the software are not permitted Limitation of liability Subject to applicable laws 1 in no event will MEET or its licensors be liable for any loss of data lost profits cost of procurement of substitute goods or services or for any special incidental consequential or indirect damages arising from the use or operation of the software or accompanying documentation however caused and on any theory of liability 2 this limitation will apply even if MEET has been advised of the possibility of such damage CE marking warning ADIO and DIGIO are Class A products In a domestic environment theses products
16. ter turn off all instruments make sure that every instrument has a different Address ID rotary switch on the rear panel connect the single ADIOs as follows the figure shows which connector on the rear panel must be connected to what cable ID 3 a 232 cable ID 1 ID 14 Fig 1 ADIO in chained operation Not required to run the demos contained on the CD Only needed for LabVIEW or C C application development 01 user s manual 6 5 2 Software Locate the stand alone LabVIEW application virtual instrument user interface on the enclosed CD which can be found under Labview ADIO Examples ADIO Double click on the ADIO Application icon Then the following window should come up ans og MEET eben ADS cored pared eral Fig 2 ADIO virtual instrument user interface LabVIEW To start the execution of the program click on the icon indicated by the arrow gt Adio vi Fig 3 How to launch the program The software then asks you to which serial port of the computer you have connected the ADIO and what s the Address ID of the unit that you want to control Serial port Unit Fig 4 Communications settings dialog ADIO 01 user s manual T The following table shows the correspondence between the serial port number and the physical serial port on your computer Serial port number c
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