PCL-726 User Manual
Contents
1. JP101 601 Unipolar Bipolar Settings Unipolar Unipolar O O Bipolar Bipolar JP102 602 External Ref 10V Ref 5V Ref Setting EXT oo EXT EXT OO 10V 10V OO 0v OO v 5v 5V Some typical combinations of JP101 601 and JP102 602 are shown as following Table 3 4 Summary of Jumper Settings Output Range JP102 602 JP101 601 010 45V olk Unipolar oo 0 to 10V Unipolar O O OO Ag OO 17 Chapter 3 Table 3 4 Summary of Jumper Settings 10V Bipolar O O O O OO OO 4 to 20mA OO DO OO Ext Ref Programmable Attenuator Note 1 For programmable attenuator function should the input sig nal should be connected to the ref in pin of CN3 and CN4 2 denotes factory setting 3 3 Signal Connections The PCL 726 is equipped with two 20 pin insulation displacement mass Termination connectors accessible from the rear plate and two other 20 pin insulation displacement connectors on board All these connectors can be connected to the same type of flat cables PCL 10120 cable The following diagrams illustrate the pin assignment of each connector Legend V OUT Analog voltage output I OUT Analog current output REF OUT Reference voltage output REF IN Voltage reference input D O Digital output D I Digital input D GND Digital and power supply gr2. 2 BASE 14 D7 D6 D5 D4 D3 D2 D1 DO D I high byte 0115 D14 DM3 D12 D11 DMO 018 BASE 15 D7 06 05 D4 D3 02 01 DO low byte DI7 DI6 DI5 DI3 DI2 DH DIO Legend DO15 to DOO Digital output data to DOO is the low byte data and DOIS to DO7 is the high byte data MSB of the digital output port DI15 to DIO Digital input data DI7 to DIO is the low byte data and DI15 to DI7 is the high byte data MSB of the digital input port Application D A Applications The PCL 726 provides 6 D A channels which use double buffered 12 bit multiplying D A converters The D A registers are write registers using address BASE to BASE 11 When programming the D A channels please note that the most signifi cant byte high byte data should be sent first It is then temporarily held by a register in the D A and not released to the D A converter After the least significant byte low byte data is written the low byte and high byte are added and passed to the D A converter at the same time This double buffering process protects the D A data integrity through a single step update PCL 726 User Manual 28 The PCL 726 provides an internal precision fixed 5V reference If this voltage is used as D A input reference the D A output range will be 0 to 5V You may select other external DC or AC sources as the D A refer ence inputs The maximum reference voltage is 10V and the maximum D A output range is
3. PCL 726 6 ch Analog Output ISA Card with 32 ch DI O User Manual Copyright The documentation and the software included with this product are copy righted 2011 by Advantech Co Ltd rights are reserved Advantech Co Ltd reserves the right to make improvements in the products described in this manual at any time without notice No part of this man ual may be reproduced copied translated or transmitted in any form or by any means without the prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reli able However Advantech Co Ltd assumes no responsibility for its use nor for any infringements of the rights of third parties which may result from its use Acknowledgements PC LabCard is a trademark of Advantech Co Ltd IBM PC are trademarks of International Business Machines Corporation MS DOS Windows Microsoft Visual and Visual BASIC are trademarks of Microsoft Corporation Intel and Pentium are trademarks of Intel Corporation Delphi and C Builder are trademarks of Borland Corporation Part No 2003726000 Ist Edition Printed in Taiwan November 2011 PCL 726 User Manual ii Product Warranty 2 years Advantech warrants to you the original purchaser that each of its prod ucts will be free from defects in materials and workmanship for two years from the date of purchase This warranty does not apply to any products which ha
4. 10V Connector CN3 and CN4 support all D A signal connections The pin assignment of these connectors is described in Chapter 3 as well as the D A signal connections which gives an illustration of a wiring diagram The PCL 726 D A functions can be performed in the way by writing I O instructions to the registers directly A commonly used D A application is clearly illustrated in the demonstration program on your diskette The demonstration program DEM0726A BAS on the PCL 726 software dis kette provides a complete explanation of programming either a single D A channel or more D A channels The following program examples written in BASIC show how to pro gram D A channel 1 to generate a voltage of 3V 10 Figure out the values of the low and high bytes 20 The jumper is set to 5V reference and unipolar 30 and the D A range is to 5V 40 V 3 0 50 X 5 4096 60 X 5 2048 2048 for bipolar 5V to 5V 70 IF X gt 4095 OR X lt O THEN PRINT OVERFLOW END 80 256 90 LO X MOD 256 100 Write the value into registers 110 OUT amp H2C0 0 HI OUT amp H2CO 1 LO 120 END 29 Appendix A Digital Input and Output The PCL 726 provides 16 digital input channels and 16 digital output channels It is fairly straight forward to program the digital input and out put channels Attention should be paid to the pin assignments of connec tors CN1 digital output and CN2 digital input A readin
5. 1 Analog Output Channels 6 channels Resolution 12 Bits Double buffered Output range 0 to 5V unipolar 0 to 10V unipolar 5V bipolar 4 to 20mA current loop sink 10V with external DC or AC reference Reference voltage Internal 5V 0 05V 10v 0 05V External DC or AC 10V max Conversion type 12 bit monolithic multiplying Analog devices AD7541AKN or equivalent Linearity 1 2 bit Accuracy 0 012 full scale range Temperature draft 2 PPM deg C full scale range Settling time 70 us max with AD8677 output amplifiers Current loop 4 to 20 mA constant current sink Voltage output drive 5mA max Current loop excitation voltage Minimum 8V maximum 36V for 4 to 20mA current loop Reset power on status All D A channels will be at 0 volt output after reset or power on either bipolar or unipolar mode 3 Chapter 1 1 2 2 Digital Input Channel 16 bits Level TTL compatible Input low 0 8V max Input high 2 0 min Inputload 0 4mA max at 0 5V 0 05mA max at 2 7V 1 2 3 Digital Output Channel 16 bits Level TTL compatible Output low 0 5V max when sink 8mA Output high 2 4V min when source 0 05mA 1 2 4 General Specifications Power consumption 5V 500mA typ 1A max 12V 50mA typ 110mA max 12V 14mA typ 90mA max I O connector 20 pin post header for Analog Digital I O ports Adapter available to convert to 37 pin D type connector I O base address Req
6. 4 Select the Individual Drivers to install the specific device driver then just follow the installation instructions step by step to complete your device driver installation and setup ADVANTECH m Figure 2 2 Different Options for Driver Setup For further information on driver related issues an online version of the Device Drivers Manual is available by accessing the following path Start Advantech Automation Device Manager Device Driver s Manual PCL 726 User Manual 10 2 3 Hardware Installation Note Make sure you have installed the driver and Advantech Device Manager before you install the card please refer to chapter 2 2 Driver Installation After the Device Drivers installation is completed you can install the PCL 726 card into any ISA slot on your computer A complete device installation procedure should include device setup configuration and test ing The following sections will guide you through the Setup Configura tion and Testing of your device However it is suggested that you refer to the computer s user manual or related documentation if you have any doubts Please follow the steps below to install the card 1 Turn off your computer and unplug the power cord and cables 2 Remove the cover of your computer 3 Remove the slot cover on the back panel of your computer 4 Touch the metal part on the surface of your computer to neutralize the static electricity that might be on your body 5 Insert the P
7. Selection sse 15 Table 3 1 Switch Position Summary 15 3 2 2 Wait State Selection sese 16 Table 3 2 Wait State Selection 16 3 2 3 Reference and Mode Selection 17 Table 3 3 Summary of Jumper Settings 17 Table 3 4 Summary of Jumper Settings 17 Signal Connections 18 Register Format cscccccssesscscscsconcsseonscseccosssceasco 20 Block DIagrSTi aeoseesosees eee stro tte oc eoo 32 PC VO Port Address Map 34 Calibration VR Assignment D A Calibration vii Table of Contents PCL 726 User Manual viii Introduction This chapter contains information on the PCL 726 and instruction on card config uration in order to match your applica tion and prepare it for installation on your system Sections include Features Specifications Applications nstallation Guide Software Overview Chapter 1 Introduction The PCL 726 provides six analog output channels on a single PC BUS add on card Each channel can be set individually to any of the following ranges 0 to 5V 0 to 10V 5 10V and 4 to 20mA current output Designed for rugged environment the PCL 726 is an ideal and economi cal solution for industrial application requiring multiple analog voltage and or current o
8. container product returned without proof of the purchase date is not eligible for war ranty service 5 Write the RMA number visibly on the outside of the package and ship it prepaid to your dealer iii Declaration of Conformity CE This product has passed the CE test for environmental specifications when shielded cables are used for external wiring We recommend the use of shielded cables This kind of cable is available from Advantech Please contact your local supplier for ordering information FCC Class A Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environ ment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Opera tion of this equipment in a residential area is likely to cause harmful inter ference in which case the user will be required to correct the interference at his own expense Technical Support and Assistance Step 1 Visit the Advantech web site at www advantech com support where you can find the latest information about the product Step 2 Contact your distributor sales representative or Advantech s cus tomer service center fo
9. unipolar offset adjustment for each channel VR3 D A bipolar offset adjustment for each channel VR4 10V reference voltage adjustment for D A Ch 4 to Ch 6 VRS 5V reference voltage adjustment for D A Ch 4 to Ch 6 VR6 10V reference voltage adjustment for D A Ch 1 to Ch 3 VR7 5V reference voltage adjustment for D A Ch 1 to Ch 3 1 Ch 1 current offset adjustment 4 mA CH2 Ch 2 current offset adjustment 4 mA CH3 Ch 3 current offset adjustment 4 mA 4 Ch 4 current offset adjustment 4 mA CHS Ch 5 current offset adjustment 4 mA CH6 Ch 6 current offset adjustment 4 mA D 2 D A Calibration The calibration program is written in BASIC To use it simply load the program into BASIC and run the program The default I O port address setting in the program is hex 2 0 If address hex 2 0 had been occupied by another device you may either replace that device with the PCL 726 on address hex 2 0 or modify the address setting in the calibration pro PCL 726 User Manual 36 gram It 1s strongly recommended that do not change the program unless you thoroughly understand the PCL 726 calibration program Once the calibration program has been loaded and executed it used the graphic display and prompts to guide you through the calibration process In addition to the calibration program it is necessary to have a 5 1 2 digit multimeter to perform the calibration A slot extension card will make your access to th
10. 12 BITS a LATCH 00 BUFFER ee D A 9V OUT INPUT BUFFERS 16 0 1 PCL 726 User Manual 32 LATCHES 8 DRIVERS gt 16 BIT D O gt 5V REF OUT gt 10V REF OUT APPENDIX PC I O PORT ADDRESS MAP Appendix PC I O Port Address I O Address Range Hex Function 000 1FF Base system 200 Reserved 201 Came control 202 277 Reserved 278 27F Second printer port 280 2F7 Reserved 2F8 2FF COM2 300 377 Reserved 3713 37F First printer port 380 3AF Reserved 3BO 3BF Mono Disp Print adapter 3C0 3CF Reserved 3D0 3DF Color Graphics 3E0 3EF Reserved 3F0 3F7 Floppy disk drive 3F8 3FF COM1 PCL 726 User Manual 34 Calibration APPENDIX Appendix D Calibration In the application of data acquisition and control it is important to con stantly calibrate your measurement device to maintain its accuracy A cal Ibration program CALB726 BAS is provided on the PCL 726 software diskette to assist your calibration work D 1 VR Assignment There are 28 variable resistors VR on the PCL 726 to allow you making accurate adjustment on D A channels The location of each VR 15 indi cated in Section 3 2 Switch and VR Locations There are 6 sets of VRI VR2 and VR3 for the adjustment of 6 D A channels respectively The functions of the VR s are listed below VRI D A gain adjustment for each channel VR2 D A
11. CL 726 card has two function jumper settings JP602 JP502 JP402 JP302 JP202 JP102 OOO 00 O0 DO UU L JP601 JP501 JP401 JP301 JP201 JP101 PCL 726 Figure 3 1 Card Connectors Jumpers amp Switches Location Descriptiom CN1 IDC 20 pin connector for analog output channels 1 3 CN2 IDC 20 pin connector for analog output channels 4 6 CN3 IDC 20 pin connector for digital output channels CN4 IDC 20 pin connector for digital input channels JP101 601 Set Unipolar Bipolar output range JP102 602 Set voltage reference of analog output SW701 Base Address setting PCL 726 User Manual 14 3 2 1 Base Address Selection Switch name SW701 position 1 to 5 Most PC peripheral devices and interface cards are controlled through the input output I O ports These ports are addressed using the I O 5 port address space Appendix C provides a PC I O port address map to help you locate appro priate addresses for different devices The I O port base address for the PCL 726 is selectable via an 8 position DIP switch The PCL 726 requires 16 consecu tive address locations in the I O space Valid addresses are from hex 200 to hex 3F0 however you might have used some of these addresses for other devices Your PCL 726 base address switch setting is set to hex 2 0 in the factory If you need to adjust it to some other address range the switch settings for various base addresses are illustrated as below Table 3 1
12. CL 726 card into a ISA slot Hold the card only by its edges and carefully align it with the slot Insert the card firmly into place 6 Fasten the bracket of the ISA card on the back panel rail of the com puter with screws 7 Connect appropriate accessories 20 pin flat cable wiring terminals etc if necessary to the ISA card 8 Replace the cover of your computer chassis Re connect the cables you removed in step 2 9 Plug in the power cord and turn on the computer After your card is properly installed on your system you can now config ure your device using the Advantech Device Manager Program that has itself already been installed on your system during driver setup 11 Chapter 2 PCL 726 User Manual 12 Signal Connections This chapter provides useful informa tion about how to connect input and output signals to the PCL 726 via the I O connector Sections include Overview Switch amp Jumper Settings Signal Connections Chapter 3 Signal Connections 3 1 Overview Maintaining signal connections is one of the most important factors in ensuring that your application system is sending and receiving data cor rectly A good signal connection can avoid unnecessary and costly dam age to your PC and other hardware devices This chapter provides useful information on how to connect input and output signals to the PCL 726 via the I O connector 3 2 Switch amp Jumper Settings The P
13. Chapter 1 1 5 Software Overview Advantech offers a rich set of DLL drivers third party driver support and application software to help fully exploit the functions of your PCL 726 card Device Drivers on the companion CD ROM LabVIEW driver Advantech ActiveDAQ Pro Programming Choices for DA amp C Cards You may use Advantech application software such as Advantech Device Drivers On the other hand advanced users can use register level pro gramming although this is not recommended due to its laborious and time consuming nature Device Drivers Advantech Device Driver software is included on the companion CD ROM at no extra charge It also comes with all Advantech DA amp C cards Advantech s Device Drivers features a complete I O function library to help boost your application performance Advantech Device Drivers for Win 2000 XP works seamlessly with development tools such as Visual C Visual Basic Borland C Builder and Borland Delphi Register level Programming Register level programming is available for experienced programmers who find it necessary to write code directly at the level of the device reg Ister But since register level programming requires much effort and time it is strongly recommend to use the Advantech Device Drivers instead PCL 726 User Manual 6 Installation This chapter contains a package item checklist proper instructions for unpacking and step by step procedures fo
14. Switch Positior 1 Summary Switch Position Address Range Hex 1 2 3 4 5 A9 A8 AT A6 A5 A4 Fixed 200 20F 1 0 0 0 0 0 210 21F 1 0 0 0 0 1 220 22F 1 0 0 0 0 0 2C0 2CF 1 0 1 1 0 0 300 30F 1 1 0 0 0 0 3F0 3FF 1 1 1 1 1 1 15 Chapter 3 Note ON 0 OFF 1 A4 A9 corresponds to PC bus address lines means factory setting Switch position 6 is not used 3 2 2 Wait State Selection Switch name SW701 position 7 and 8 Some high speed PC s may require that wait states are inserted to achieve stable data transfer The PCL 726 can be configured with 0 2 4 or 6 wait state delays fur each trans fer of data The length of the 6 wait state can be selected with the positions 7 and 8 on SW701 as shown below Table 3 2 Wait State Selec tion Switch Position Wait State 7 8 time delay 0 0 0 1 0 2 0 1 4 1 1 6 Note denotes factory setting PCL 726 User Manual 16 3 2 3 Reference and Mode Selection Jumper name JP101 601 JP102 602 of each channel There are two jumpers for D A reference source and output mode selec tions on each D A conversion channel The JP102 602 setting selects the reference of 5V 10V or external voltage The JP101 601 setting selects bipolar or unipolar mode of D A output Table 3 3 Summary of Jumper Settings
15. To avoid electrical shock always disconnect the power from your PC chassis before you work on it Don t touch any components on the CPU card or other cards while the PC is on 2 Disconnect power before making any configuration changes The sudden rush of power as you connect a jumper or install a card may damage sensitive electronic components PCL 726 User Manual vi Chapter NR m PU Chapter Ne NWN wit N N Chapter 3 3 Appendix A Appendix B Appendix C Appendix D D 1 D 2 Contents Introduction 45 ika een 3346 aca vo aes 2 Features ers DRE egi Specifications senene ERI 1 2 4 Analog Output 12 2 Digital Input u 1 2 3 Digital Output iie de eet 12 4 General Specifications Applications Installation Guide Figure 1 1 Installation Flow Chart Software Installation Unpacking 2 1 nene idee Benin 8 Driver Installation em pH Eas 9 Figure 2 1 Advantech Automation Software Setup 10 Figure 2 2 Different Options for Driver Setup 10 Hardware Installation eee 11 Signal Connections eese 14 Overview kn E Switch amp Jumper Settings Figure 3 1 Card Connectors Jumpers amp Switches 14 3 2 1 Base Address
16. an opening This may cause fire or elec trical shock Never open the equipment For safety reasons the equipment should be opened only by qualified service personnel If one ofthe following situations arises get the equipment checked by service personnel a The power cord or plug is damaged b Liquid has penetrated into the equipment c The equipment has been exposed to moisture d The equipment does not work well or you cannot get it to work according to the user s manual e The equipment has been dropped and damaged f The equipment has obvious signs of breakage 15 DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT WHERE THE STORAGE TEMPERATURE MAY GO BELOW 20 C 4 F OR ABOVE 60 C 140 F THIS COULD DAM AGE THE EQUIPMENT THE EQUIPMENT SHOULD BE IN CONTROLLED ENVIRONMENT 16 CAUTION DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY REPLACED REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE RECOMMENDED BY THE MANUFACTURER DISCARD USED BATTERIES ACCORD ING TO THE MANUFACTURER S INSTRUCTIONS The sound pressure level at the operator s position according to IEC 704 1 1982 is no more than 70 dB A DISCLAIMER This set of instructions is given according to IEC 704 1 Advantech disclaims all responsibility for the accuracy of any statements contained herein Safety Precaution Static Electricity Follow these simple precautions to protect yourself from harm and the products from damage 1
17. e VR s easier The PC LabCARD product PCL 755A Slot Extension Card is an ideal product to support the slot extension A standard procedure to calibrate the PCL 726 card is illustrated below Step 1 Calibrate REFERENCE VOLTAGE SOURCES including 10V REFI Ch 4 Ch 6 5V REFI Ch 4 Ch 6 10V REF2 Ch 1 Ch 3 and 5V REF2 Ch 1 Ch 3 VR4 VR7 gt Step 2 Adjust D A voltage output OFFSET of unipolar mode lt Adjust VR2 of each channel gt gt Step 3 Adjust D A voltage output GAIN of unipolar mode lt lt Adjust VR1 of each channel gt gt Step 4 Adjust D A precision 4mA constant current Adjust VR named CHI to CH6 gt gt Step 5 Adjust D A voltage output OFFSET of bipolar mode lt Adjust VR3 of each channel gt gt Note The voltage output GAIN of bipolar mode depends on the GAIN of unipolar mode so it is not necessary to be adjusted The current gain depends on a precise fixed resistor and does not need adjustment 37 Appendix D PCL 726 User Manual 38
18. g operation on any of the D I ports will read in the value of the 8 corresponding digital input channels To access the D I ports in BASIC use the following statement VALUE INP ADDRESS Where ADDRESS is BASE 14 high byte or BASE 15 low byte A writing operation to any of the D O ports will set the desired value of the 8 corresponding digital output channels To access the D O ports in BASIC use the statement shown below OUT ADDRESS VALUE Where ADDRESS is BASE 12 high byte or BASE 13 low byte PCL 726 User Manual 30 APPENDIX Block Diagram Appendix B Block Diagram v AT jwjw ADDRESS 10 WAIT I O PORT SELECT o EXT REF V OUT EXT REF REFERENCE 5V 10V GENERATORS CH 0 12 BITS OUT LATCH 25 D A M CH 1 Lo 12 BITS I o OUT LATCH D A lt u wi ON ON OFF OFF DATA oEXT REF amp DECODER CH 2 12 BITS LOUT LATCH D A oEXT REF A9 ALWAYS 1 CH 3 e 12 BITS ol OUT wo WAIT STATE TI o w A OFF 2 ON 4 CH 4 1931 42 151 000 OFF 6 LATCH Il D A _ 2 c DATA 5 3
19. ial input loads an external ground wire is needed and the signal connection 1s recommended as following D A Converter AMP V gt T Load A GNDC gt gt PCL 726 User Manual 20 4 to 20 mA Current Output Connections The PCL 726 provides 6 channels of 4 to 20mA current output The cur rent loop output utilizes the 0 to 5V unipolar voltage output as the driv ing source and a current drive circuit consists of a power FET reverse protection diode and a constant current source The voltage bias of this current output should be within 8 to 36 volts to insure correct operation A 24 volt power supply 15 ideal for this application The PCL 726 also provides internal 12 volt power source for current loop by user s selec tion As shown below there are three ways of connecting grounded load with a floating supply floating load with a grounded power supply and floating load with internal 12 volt supply LOUT i Float Power D A Converter 1 Oto 5V e o Unipolar Grounded 1 Output AmA Load V JA GND M 1 V i 0 1 LOUT ZI D A Converter gt e liz 4 54 21 d i Float Oto 5V L a 0 l Load Unipolar i Ou
20. ound A GND Analog ground NC No connection PCL 726 User Manual 18 Connector 1 CN1 Digital Output D O 0 D O 2 D O 4 D O 6 D O 8 D O 10 D O 12 D O 14 D GND 5V Connector 2 CN2 D I 2 D I 4 6 8 D I 10 D I 12 D I 14 D GND 5V Connector 3 CN3 D A Output Ch 1 to Ch 3 5V REF 1 3 10V REF 1 3 5V REF 4 6 10V REF 4 6 D A 1 V OUT D A 1 OUT D A 1 REF IN A GND D A 2 V OUT D A 2 OUT D A 2 REF IN A GND D A 2 V OUT D A 3 OUT D A 3 REF IN A GND A GND A GND NC NC Connector 4 4 put Ch 4 to Ch 6 D A 4 V OUT D A 4 OUT D A 4 REF IN A GND D A 5 V OUT D A 5 OUT D A 5 REF IN A GND D A 6 V OUT D A 6 OUT D A 6 REF A GND A GND A GND D GND D GND 5V 5V 12V 12V 19 Chapter 3 Voltage Output Connections Voltage Connections The PCL 726 supports 6 channels of D A voltage output There 1s only one output signal wire for each channel The voltage is referred to the common ground It is fairly simple to connect a voltage output channel to a floating load A standard wiring diagram is illustrated below PCL 726 Side External Side D A Converter AMP VOUT gt gt T Float Load A GND gt 1 V For grounded load the signal should be connected as 6 D A Converter AMP V OUT A Grounded Load A GND nom ye IO T V V For some different
21. r card installation Sections include Unpacking Driver Installation Hardware Installation Device Configuration Chapter 2 Installation 2 1 Unpacking After receiving your PCL 726 package please inspect its contents first The package should contain the following items PCL 726 card Companion CD ROM Device Drivers included User Manual The PCL 726 cards harbor certain electronic components vulnerable to electrostatic discharge ESD ESD can easily damage the integrated cir cuits and certain components if preventive measures are ignored Before removing the card from the antistatic plastic bag you should take the following precautions to ward off possible ESD damage Touch the metal part of your computer chassis with your hand to dis charge the static electricity accumulated on your body Alternatively one can also use a grounding strap Touch the anti static bag to a metal part of your computer chassis before opening the bag Take hold of the card only by the metal bracket when removing it out of the bag After taking out the card you should first Inspect the card for any possible signs of external damage loose or dam aged components etc If the card 15 visibly damaged please notify our service department or our local sales representative immediately Do not install a damaged card into your system Also pay extra caution to the following aspects during installation Avoid physical con
22. r technical support if you need additional assistance Please have the following information ready before you call Product name and serial number Description of your peripheral attachments Description of your software operating system version appli cation software etc A complete description of the problem The exact wording of any error messages PCL 726 User Manual iv Safety Instructions 1 2 3 Read these safety instructions carefully Keep this User s Manual for later reference Disconnect this equipment from any AC outlet before cleaning Use a damp cloth Do not use liquid detergents for cleaning For plug in equipment the power outlet socket must be located near the equipment and must be easily accessible Keep this equipment away from humidity Put this equipment on a reliable surface during installation Drop ping it or letting it fall may cause damage The openings on the enclosure are for air convection Protect the equipment from overheating DO NOT COVER THE OPENINGS Make sure the voltage of the power source is correct before con necting the equipment to the power outlet Position the power cord so that people cannot step on it Do not place anything over the power cord cautions and warnings on the equipment should be noted If the equipment is not used for a long time disconnect it from the power source to avoid damage by transient overvoltage Never pour any liquid into
23. tact with materials that could hold static electricity such as plastic vinyl and Styrofoam PCL 726 User Manual 8 Whenever you handle the card grasp it only by its edges DO NOT TOUCH the exposed metal pins of the connector or the electronic compo nents Note Keep the anti static bag for future use You might need the original bag to store the card I you have to remove the card from a PC or transport it else where 2 2 Driver Installation We recommend you install the driver before you plug the PCL 726 into your system since this will guarantee a smooth installation process The Advantech Device Drivers Setup program for the PCL 726 card 15 included in the companion CD ROM that is shipped with your DA amp C card package Please follow the steps below to install the driver software 1 Insert the companion CD ROM into your CD ROM drive 2 The Setup program will be launched automatically if you have the autoplay function enabled on your system When the Setup Program is launched the Setup Screen will appear Note If the autoplay function is not enabled on your computer use Windows Explorer or Windows Run command to execute AUTORUN EXE on the companion CD ROM 9 Chapter 2 A powerful and helpful tool t configure your device individual Drivers Examples amp Utilities Advanced Options 7 BioDAQ Figure 2 1 Advantech Automation Software Setup 3 First install the Advantech Device Manager
24. tion The PCL 726 requires 16 consecutive addresses in I O space The most important issue in programming the PCL 726 is understanding the mean ing of the 16 registers addressable from the selected I O port base address A summary map of the functions of each address and the data format of each register are given in the following sections I O Port Address Map The following table provides the location of each register and driver relative to the base address and its usage Legend D A Analog output D O Digital output D I Digital input D I Digital input R Read operation on that byte W Write operation on that byte Address R W Usage BASE 0 Ww D A oh 1 high byte data bit 0 3 BASE 1 D A oh 1 low byte data BASE 2 Ww D A oh 2 high byte data bit 0 3 BASE 3 D A oh 2 low byte data BASE 4 Ww D A oh 3 high byte data bit 0 3 BASE 5 D A oh 3 low byte data BASE 6 Ww D A oh 4 high byte data bit 0 3 BASE 7 D A oh 4 low byte data BASE 8 Ww D A oh 5 high byte data bit 0 3 BASE 9 D A oh 5 low byte data BASE 10 Ww D A oh 6 high byte data bit 0 3 BASE 11 D A oh 6 low byte data BASE 12 Ww D O oh 8 15 BASE 13 Ww D O oh 0 7 BASE 14 R oh 8 15 BASE 15 R oh 0 7 PCL 726 User Manual 26 D A Output Registers The D A output registers are write registers using address BASE 0
25. to Base 11 BASE 2 4 6 8 10 D7 D6 D5 D4 D3 D2 D1 DO D A 1 2 3 4 5 6 High byte IX X X X DA11 DA10 DA9 DA8 BASE 1 3 5 7 9 11 D7 D6 D5 D4 D3 D2 D1 DO D A 1 2 3 4 5 6 DA6 DA5 DA4 DA2 DA1 DAO Low byte Legend 11 to DAO Digital to analog data DAO is the least significant byte LSB and is the most significant byte MSB of the D A data X Don t care The D A circuit utilizes a double buffer technique to eliminate the tran sient stage between the writing operations of high byte and low byte data The high byte data only the lower 4 bits are significant must be written first and it is then latched into a latch for temporary storage and does not change the analog output While the low byte is being sent the high byte data reaches the D A converter at the same time as the low byte data NOTE THE HIGH BYTE DATA MUST BE SENT FIRST 27 Appendix A Digital I O Registers The PCL 726 offers 16 digital input channels and 16 digital output chan nels The digital input channels use the I O address BASE 14 and BASE 15 The digital output channels use the I O address BASE 12 and BASE 13 The data format of each port is as following BASE 12 D7 D6 D5 D4 D3 D2 D1 DO D O high byte DO15 0014 0013 0012 0011 DO9 BASE 13 D7 D6 D5 D4 D3 D2 D1 DO D O low byte por DO6 005 004
26. tput 5 P 4mA 7 A GND Power Supply EM i N f V V LOUT M CH L JEN D A Converter gt gt i de Float Oto 5V Load Unipolar l i Output i p 4mA 2 v A GND T 12 END oy Suppl 42V uppy 21 Chapter 3 Programmable Attenuator Connection A variety of D A operations can be supported by your PCL 726 For example the PCL 726 can function as a digital attenuator by inputting variable AC or DC references or can be used to generate arbitrary wave form outputs The connection is l 1 5 GIEXI REFIN External REF fe ov Source o 5V 1 1 1 D A Converter __ Driver MOUI O AMP Float Load A GND A 1 i i V PCL 726 User Manual 22 Digital Signal Connection The PCL 726 has 16 digital input and 16 digital output channels The dig ital I O levels are TTL compatible To transmit or receive digital signal to from other TTL devices the connection is TTL Devices DO O e U aq D GND D GND A DI 7 To receive an OPEN SHORT signal from a switch or relav a pull up resistor must be added to ensure the high level when open 5V 4 7K il D GND 23 Chapter 3 PCL 726 User Manual 24 APPENDIX Register Format Appendix A Register Format Introduc
27. uires 16 consecutive address locations Base address definable by the DIP switches for address line A8 A4 Factory setting is hex 2 0 Operating Temp 0 to 50 C 0 to 122 F Storage Temp 20 to 65 4 to 149 Weight 195 gms 1 3 Applications Process control Programmable voltage source Programmable current sink Servo control Multiple loop PID control PCL 726 User Manual 4 1 4 Installation Guide Before you install your PCL 726 card please make sure you have the fol lowing necessary components PCL 726 DA amp C card PCL 726 User Manual Driver software Advantech DLL drivers in the companion CD ROM PC or workstation with a ISA bus slot Some other optional components are also available for enhanced opera tion ActiveDAQ ActiveDAQ Pro LabView or other 3rd party software packages After you get the necessary components and maybe some of the accesso ries for enhanced operation of your multifunction card you can then begin the installation procedure Figure 1 1 gives users an overview of the software and hardware installation procedure Install Driver from CD ROM and turn off computer Install hardware and turn on computer NL Use driver utilitv to configure hardware 0 Use test utilitv to test hardware NL Read examples amp driver manual Start to write your own application Figure 1 1 Installation Flow Chart 3
28. utput channels In addition to the analog output PCL 726 also provides 16 channels of digital output and 16 channels of input The D I and D O ports are TTL compatible and designed to be fully compatible with the available daugh ter boards those offer convenient solution to industrial ON OFF control and sensing application These daughter boards include PCLD 782 Iso lated D I Board PCLD 785 Relay Output Board and PCLD 786 SSR amp Relay Driver Board 1 1 Features 6 independent D A output channels 12 bit resolution double buffered D A converters Multiple voltage ranges 10V 5V 0 to 10V 0 to 5 and 4 to 20 mA current loop sink D A outputs will be at 0 volt initial state after RESET or POWER ON at either bipolar or unipolar mode 16 digital input and 16 digital output channels They are all TTL com patible D I and D O ports are fully compatible with the valid PC LabCard daughter boards PCLD 782 16 channel opto isolated D I board PCLD 785 16 channel relay output board PCLD 786 8 channel SSR output amp 8 channel relay driver board Furnished utility software disk contains Calibration program Demonstration program Program examples DIP switch selectable wait state 0 2 4 6 wait states insertion to ensure the compatibility with very high speed PC s PCL 726 User Manual 2 Screw terminal board PCLD 780 available for D A output signal wir ing 1 2 Specifications 1 2
29. ve been repaired or altered by persons other than repair personnel authorized by Advantech or which have been subject to misuse abuse accident or improper instal lation Advantech assumes no liability under the terms of this warranty as a consequence of such events Because of Advantech s high quality control standards and rigorous test ing most of our customers never need to use our repair service If an Advantech product 1s defective it will be repaired or replaced at no charge during the warranty period For out of warranty repairs you will be billed according to the cost of replacement materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encountered For example CPU speed Advantech products used other hardware and software used etc Note anything abnormal and list any onscreen messages you get when the problem occurs 2 Call your dealer and describe the problem Please have your man ual product and any helpful information readily available 3 Ifyour product is diagnosed as defective obtain an RMA return merchandize authorization number from your dealer This allows us to process your return more quickly 4 Carefully pack the defective product a fully completed Repair and Replacement Order Card and a photocopy proof of purchase date such as your sales receipt in a shippable
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