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PCI-1720 & 1720U User Manual

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Copyright

This documentation and the software included with this product are
copyrighted 2005 by Advantech Co., Ltd. All 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 manual 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 reliable. 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.

Acknowledgments

PC-LabCard is a trademark of Advantech Co., Ltd. IBM and PC are
trademarks of International Business Machines Corporation. MS-DOS
and Windows are trademarks of Microsoft Corporation. Intel and Pentium
are trademarks of Intel Corporation. All other product names or trade-
marks are properties of their respective owners.

Part No. 2003172011

2nd Edition

Printed in Taiwan

May 2005

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Summary of Contents for PCI-1720

Page 1: ...PCI 1720 4 ch Isolated Analog Output Card PCI 1720U 4 ch Isolated Analog Output Card with Universal PCI Bus User Manual ...

Page 2: ... of Advantech Co Ltd Information provided in this manual is intended to be accurate and reliable 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 Acknowledgments PC LabCard is a trademark of Advantech Co Ltd IBM and PC are trademarks of International Business Machines Corporation MS DOS and Windows...

Page 3: ...placement 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 an...

Page 4: ... 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 Safety Precaution Static Electricity Follow these simple precautions to protect yourself from harm and the products from damage 1 To avoid electrical shock always disconnect the power from your PC chassis before you wo...

Page 5: ...er Dialog Box 11 2 4 2 Configuring the Device 12 Figure 2 5 The Device Setting dialog box 12 Figure 2 6 Device Name Appearing on List of Devices Box 13 Chapter 3 Jumpers and I O Connectors 16 Figure 3 1 Jumper Locations SW1 is only for PCI 1720U 16 3 1 Jumper Settings 16 3 1 1 Using Jumpers to Set Current Sink Ranges 16 Figure 3 2 Jumper Settings for PCI 1720U s Current Sink Range 16 3 1 2 Jumper ...

Page 6: ...le 28 Table 4 7 Bipolar Binary Code Table 28 Chapter 5 Signal Connections 30 5 1 Overview 30 5 2 D A Voltage Output Connections 30 Figure 5 1 Floating load Conn for D A Voltage Output 30 Figure 5 2 Grounded load Conn for D A Voltage Output 31 Figure 5 3 Differential load Conn for D A Voltage Output 31 5 3 Current Sink Connections 32 Figure 5 4 Grounded load connection with a floating power supply ...

Page 7: ...2 CHAPTER 1 General Information ...

Page 8: ...hut off PCI 1720 cards can either retain the last analog output settings and val ues or return to its default configuration based on its jumper setting This practical function eliminates danger caused by misoperation during unexpected system resets PCI bus Plug Play The PCI 1720 cards use a PCI controller to interface the cards to the PCI bus The controller fully implements the PCI bus specificati...

Page 9: ... V 0 10 V Bipolar 5 V 10 V Current loop sink 0 20 mA 4 20 mA Throughput 500 kHz Accuracy 0 024 Isolation Voltage 2 500 V DC between the outputs and the PCI bus Output Current 5 mA max Current Loop Excitation Voltage 50 V max On board 12 VDC Excitation Voltage 80 mA max Power Consumption 5 V 350 mA typical 500mA Max 12V 200 mA typical 350mA Max Physical Connector 37 pin D type connector Dimensions ...

Page 10: ... Temperature 20 70 C 4 158 F Operating Humidity 5 95 RH non condensing refer to IEC 68 2 3 MTBF over 71 280 hrs 25 C grounded fixed environment 1 5 Block Diagram PCI BUS PCI Controller Isolation 2500 VDC Control Logic and Decoder Data Buffer Data Buffer 4 Ch 12 Bit D A D A Range Control ...

Page 11: ...r gives users a package item checklist proper instructions for unpacking and step by step procedures for both driver and card installation Sections include Unpacking Driver Installation Hardware Installation Device Setup and Configuration ...

Page 12: ...l 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 poss...

Page 13: ...luded in the companion CD ROM that is shipped with your DA C card package Please follow the steps below to install the driver software Step 1 Insert the companion CD ROM into your CD ROM drive Step 2 The Setup program will be launched automatically if you have the autoplay function enabled on your system When the Setup Program is launched you will see the following Setup Screen Figure 2 1 Setup Sc...

Page 14: ...etup 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 Programs Advantech Automation Device Manager Device Driver s Manual Note If the autoplay function is not enabled on your com puter use Windows Explorer or Windows Run com mand to execute SETUP EXE on th...

Page 15: ...ralize the static electricity that might be on your body 5 Insert the PCI 1724U card into a PCI slot Hold the card only by its edges and carefully align it with the slot Insert the card firmly into place Use of excessive force must be avoided otherwise the card might be damaged 6 Fasten the bracket of the PCI card on the back panel rail of the computer with screws 7 Connect appropriate accessories...

Page 16: ...If you do see your device name listed on it but marked with an exclamation sign it means your card has not been correctly installed In this case remove the card device from the Device Manager by selecting its device name and press the Remove button Then go through the driver installation process again After your card is properly installed on your system you can now config ure your device using the...

Page 17: ...hese settings will be used when you call the APIs of Advantech Device Drivers 2 4 1 Setting Up the Device 1 To install the I O device for your card you must first run the Device Installation program by accessing Start Programs Advan tech Automation Device Manager 2 You can then view the device s already installed on your system if any on the Installed Devices list box Figure 2 4 The Device Manager...

Page 18: ...you can calibrate the voltage output range for the 8 D A channels in 4 groups For more detailed information please refer to Appendix D Calibration Util ity Figure 2 5 The Device Setting dialog box Note Users have three options for the output voltage ranges and current ranges 10 10 V 0 20 mA and 4 20 mA ...

Page 19: ... Device Name Appearing on the List of Devices Box After your card is properly installed and configured you can click the Test button to test your hardware by using the testing utility supplied For more detailed information please refer to Chapter 2 of the Device Drivers Manual You can also find the rich examples on the CD ROM to speed up your programming ...

Page 20: ...PCI 1720 1720U User Manual 14 ...

Page 21: ...2 CHAPTER 3 Jumpers and I O Connectors ...

Page 22: ... to refer to the figure below for help in identifying jumper locations Figure 3 1 Jumper Locations SW1 is only for PCI 1720U 3 1 Jumper Settings 3 1 1 Using Jumpers to Set Current Sink Ranges Jumpers JP1 to JP4 are used to select each channel s current sink range either 4 20 mA or 0 20 mA Jumpers JP1 to JP4 correspond with D A channel 0 to channel 3 respectively In order to use the current sink ra...

Page 23: ...left unchanged Complete loss of power to the card clears all settings and output values even if JP5 is enabled i e if the power to the card is disconnected the card s initial power on state will be the default state The default state is the output range for all channels is 0 5V and all the output values are 0V When jumper JP5 is disabled power off or hot reset results in outputs returning to their...

Page 24: ...gnals to external devices The following figure shows the pin assignments of the connec tor Figure 3 4 Pin Assignment 1 2 20 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC 12 Vout AGND AGND Vout 0 AGND Isink 0 Vout 1 AGND Isink 1 Vout 2 AGND Isink 2 Vout 3 AGND Isink 3 ...

Page 25: ...pply the voltage outputs for the analog outputs ISINK 0 3 AGND Input Current Sink Channels 0 through 3 These pins provide the current loop sink input 12 V OUT AGND Output 12 VDC Source This pin is a 12 V DC power supply 80mA max for current loop exciting voltage AGND Analog Ground The analog output voltage and 12 VDC source are referenced to these pins NC No Connection to pin ...

Page 26: ...s differentiating the boards by identifying each card s device number with the switch setting This unique identifier has been set to 0 with the BoardID switch at the factory If you need to adjust it to other numbers set SW1 by referring to DIP switch setting Table 3 1 Board ID Setting SW1 SW1 3 2 1 0 BoardID ID3 ID2 ID1 ID0 0 default ON ON ON ON 1 ON ON ON OFF 2 ON ON OFF ON 3 ON ON OFF OFF 4 ON O...

Page 27: ...ermine the identity in the register as shown in the table below Note ID0 The least significant bit LSB of identifier ID3 The most significant bit MSB of identifier Table 3 2 Identity Register of PCI 1720U Base 20 3 2 1 0 Abbreviation ID3 ID2 ID1 ID0 ...

Page 28: ...PCI 1720 1720U User Manual 22 ...

Page 29: ...2 CHAPTER 4 Register Structure and Format ...

Page 30: ...stems We advise users to program the card using the 32 bit DLL driver pro vided by Advantech to avoid the complexity of low level programming by register The most important consideration in programming the PCI 1720 cards at register level is to understand the function of the card s registers The information in the following sections is provided only for users who would like to do their own low lev...

Page 31: ...means readable and W means writable Table 4 1 PCI 1720U Register Format and Function Description Base Address Decimal 7 6 5 4 3 2 1 0 Function Description R W 0 D7 D6 D5 D4 D3 D2 D1 D0 D A output channel 0 W 1 D11 D10 D9 D8 2 D7 D6 D5 D4 D3 D2 D1 D0 D A output channel 1 W 3 D11 D10 D9 D8 4 D7 D6 D5 D4 D3 D2 D1 D0 D A output channel 2 W 5 D11 D10 D9 D8 6 D7 D6 D5 D4 D3 D2 D1 D0 D A output channel 3...

Page 32: ...2 3 Table 4 2 Register for D A Data Base Address decimal Data Function Description R W 7 6 5 4 3 2 1 0 2 n D7 D6 D5 D4 D3 D2 D1 D0 D A output channel n W 2 n 1 D11 D10 D9 D8 Note To write D A data write the low byte first then write the high byte Table 4 3 Register for D A Voltage Range and Polarity Base Address decimal Data Function Description R W 7 6 5 4 3 2 1 0 8 DA3_ U B DA3_ 5 10 DA2_ U B DA...

Page 33: ...er can act as a synchronizing character but it must be written to the BASE 9 register to prompt synchronized output 4 2 4 Synchronized Output Control Bitt The register BASE 15 stores the synchronized output control bit When the SC0 bit is set to 1 the synchronized data output function is enabled and analog values will not be output until a character is written to the BASE 9 register When the SC0 b...

Page 34: ...age that you selected Vref is 5 V or 10 V 2 Nominal full scale is given by FS Vref 4095 4096 3 Nominal LSB magnitude is given by LSB Vref 1 4096 Table 4 7 Bipolar Binary Code Table Digital Input Code Examples of Analog Output Voltage MSB LSB 1111 1111 1111 Vref 2047 2048 1000 0000 0001 Vref 1 2048 1000 0000 0000 0 0111 1111 1111 Vref 1 2048 0000 0000 0001 Vref 2047 2048 0000 0000 0000 Vref 2048 20...

Page 35: ...2 CHAPTER 5 Signal Connections ...

Page 36: ...ter shows you how to make proper signal connections 5 2 D A Voltage Output Connections PCI 1720 cards support four channels of D A voltage output Only one output signal wire is used with each channel The voltage output is refer enced to a common ground AGND There are three types of voltage output connections 1 Floating load 2 Grounded load 3 Differential load with ground They are shown in the foll...

Page 37: ...unded load Connection for D A Voltage Output Figure 5 3 Differential load Connection for D A Voltage Output D A Internal Side VOUT AGND External Side Grounded Load D A Internal Side VOUT AGND External Side Diff Load with Ground ...

Page 38: ...2 V power source for current loop excitation You can use three types of current sink connections 1 Grounded load with a floating power supply 2 Floating load with a grounded power supply 3 Floating load with an internal 12 V power supply These are shown in the following illustrations Figure 5 4 Grounded load connection with a floating power supply Figure 5 5 Floating load connection with a grounde...

Page 39: ...ave to select the current sink load and power supply carefully The current sink circuitry of the PCI 1720 cards is as shown below Figure 5 7 Current Sink Circuitry Internal Side External Side 12 VDC ISINK AGND 0 20 mA or 4 20 mA Floating Load Internal Side External Side RL Vs AGND PD 0 5 V or 1 5 V 249 Ω 0 20 mA or 4 20 mA ...

Page 40: ...isfied VS RL 249 0 02 VS 50 PD VS RL 249 x 0 02 x 0 02 0 2 Example 1 If you use the internal power supply VS 12 V RL must be less than 351 W 12 0 02 249 RL Select RL 200 W PD 0 0604 0 2 OK Example 2 If you use the external power supply VS 40 V RL must be less than 1 75 kW 40 0 02 249 RL Select RL 200 W PD 0 62 0 2 fail Reselect RL 1 kW PD 0 3 0 2 fail Reselect RL 1 5 kW PD 0 1 0 2 OK ...

Page 41: ...APPENDIX A Calibration This appendix provides brief informa tion on PCI 1720 cards calibration Regular calibration checks are impor tant to maintain accuracy in data acqui sition and control applications ...

Page 42: ...f prompts and graphic displays these programs will lead you through the calibration and setup procedures showing you all the correct settings and adjustments Note If you installed the program to another directory you can find these programs in the corresponding subfolders in your destination directory To perform a satisfactory calibration you will need a 4 digit digital multi meter and a voltage c...

Page 43: ...gure A 1 PCI 1720U VR assignment VR1 Channel 0 s full scale gain adjustment VR2 Channel 1 s full scale gain adjustment VR3 Channel 2 s full scale gain adjustment VR4 Channel 3 s full scale gain adjustment VR5 Channel 0 s offset adjustment VR6 Channel 1 s offset adjustment VR7 Channel 2 s offset adjustment VR8 Channel 3 s offset adjustment You should use a precision voltmeter ammeter to obtain accu...

Page 44: ... depending on what channel is to be calibrated see prior page until your voltmeter s reading is 0 000 volts 3 Set all digital input codes to 1 see Bipolar Binary Code Table in Section 4 3 Now adjust VRn n 1 2 3 4 depending on what channel is to be calibrated see prior page until your voltmeter shows a reading equal to the output voltage shown in the Bipolar Binary Code Table in Section 4 3 4 Repea...

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