PCI-1742U User Manual
Contents
1. 44 82C54 Counter Chip Function 46 Intel 82054 ii DD DD e n an 46 Counter Read Write amp Control Registers 47 Counter Operating Modes E eee keke 50 PCI 1742U User Manual vi CHAPTER Introduction This chapter introduces PCI 1742U and shows how to install the software and information on useful accessories Sections include e Introduction Features Installation Guide Software e Accessories Chapter 1 Introduction 1 1 Introduction Thank you for buying the Advantech PCI 1742U PCI card PCI 1742U is a powerful high resolution multifunction DAS card with 1MS s sampling rate and 16 bit resolution fulfills the needs of most data acquisition appli cations PCI 1742U provides 16 single ended or 8 differential analog input channels two 16 bit D A output channels 16 digital input output channels and one 10 MHz 16 bit counter channel The following sections will provide further information about features of the multifunction cards a quick installation guide and some brief infor mation on software and accessories for the PCI 1742U card 1 2 Features The Advantech PCI 1742U provides users with the most requested mea surement and control functions as below 16 S E or 8 Diff analog input channels with IK FIFO 16 bit ADC with max IMS s sampling rate Two 16 bit analog output channels 16DI 16DO TTL chann2. PCI 1742U 16 bit 1MS s High Resolution Multifunction Card User Manual Copyright The documentation and the software included with this product are copy righted 2006 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 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 Microsoft Windows and MS DOS are registered trademarks of Microsoft Corp All other product names or trademarks are properties of their respective owners Part No 2003174200 1st Edition Printed in Taiwan March 2006 PCI 1742U 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 have 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 Advan
3. Counter O Output CNTO GATE DGND Input Counter O Gate Control PACER OUT DGND Output Pacer Clock Output This pin pulses once for each pacer clock when turned on If A D conversion is in the pacer trig ger mode users can use this signal as a synchronous signal for other applica tions TRG GATE DGND Input A D External Trigger Gate When TRG GATE is connected to DGND it will dis able the external trigger signal to input EXT TRG DGND Input A D External Trigger This pin is external trigger signal input for the A D conver sion A low to high edge triggers A D conversion to start 12V DGND Output 12 VDC Source 5V DGND Output 5 VDC Source 21 Chapter 3 3 1 2 Pin Assignment Alo Al2 Al4 AI6 Als AMO Al12 Al14 AIGND AOO REF AOO OUT AOGND DIO DI2 DI4 DI6 DI8 DI10 DI12 DI14 DGND DOO DO2 DO4 DO6 DOs DO10 DO12 DO14 DGND CNTO CLK CNTO OUT CNTO GATE 12V 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 _ No HO DN co N aos 13 15 GND AO1_REF AO1_OUT AOGND gt ze PBP gt gt 7 9 11 13 15 U 2 OO oO zZ oO DO1 DO3 DO5 DO7 DO9 DO11 D
4. V cm To avoid the ground loop noise effect caused by common mode voltages you can connect the signal ground to the Low input Figure 3 3 shows a differential channel connection between a ground reference signal source and an input channel on the PCI 1742U With this connection the PGIA rejects a common mode voltage Vem between the signal source and the PCI 1742U ground shown as Vem in Figure 3 3 Internal External Ground amp Reference VS Signal Sourcce Measured Voltare Vem WO Connector Figure 3 3 Differential Connection Ground Signal PCI 1742U User Manual 24 If a floating signal source is connected to the differential input channel the signal source might exceed the common mode signal range of the PGIA and the PGIA will be saturated with erroneous voltage readings You must therefore reference the signal source against the AIGND Figure 3 4 shows a differential channel connection between a floating signal source and an input channel on PCI 1742U In this figure each side of the floating signal source is connected through a resistor to the AIGND This connection can reject the common mode voltage between the signal source and the PCI 1742U ground Internal i External Floating Vs Signal Source o Measured Voltage VO Connector Figure 3 4 Differential Connection Floating Signal This connection has the disadvantage of loading the source down with the series com
5. Advantech PCI 1714 UL lt 8 Advantech PCI 1716 AD and DA Auto calibration r Calibration instructions f First adjust VR until the reference voltage on TP3 has reached 5 0000V 2 Using a precision voltmeter to calibrate the DA output is recommended 3 Press Start button to start the calibration process AD Calibration Procedure DA Calibration Procedure TT 1 Adjust PGA offset voltage TT 1 Adjust GAIN 10V calibration TT 2 Adjust Bipolar offset voltage TT 3 Adjust Unipolar offset voltage gt TT 4 Adustthe Gain valo 3 Adjust Bipolar offset voltage 5 Adjust Normal and Warp mode offset 4 Adjust Unipolar offset voltage Step Adjust Number Adjust Code A D Vol Status AD Calibration AD Calibration AD Calibration AD Calibration AD Calibration DAO Calibration DAO Calibration DAO Calibration DAO Calibration DAI Calibration DAI Calibration v e se AD ANTECH Figure 5 2 AD and DA Auto Calibration Utility TT 2 Adjust GAIN 5V calibration Please follow the utility instructions to complete AD DA calibration 37 Chapter 5 ITT TEEN x m Calibration instructions fi First adjust VAi1 until the reference voltage on TP3 has reached 5 0000 2 Using a precision voltmeter to calibrate the DA output is recommended 3 Press Start button to start the calibration process NV 1 Adjust PGA offset voltage NV 2 A
6. The counter is re triggerable 51 Appendix C PCI 1742U User Manual 52
7. C2 C1 CO X CNT 0 Latch count of selected counter s STA 0 Latch status of selected counter s C2 CI amp C0 Select counter for a read back operation C2 1 select Counter 2 C1 1 select Counter 1 CO0 1 select Counter O If you set both SC1 and SCO to 1 and STA to 0 the register selected by C2 to CO contains a byte which shows the status of the counter The data format of the counter read write register then becomes BASE 24 26 28 Dec Status read back mode Bit D7 D6 D5 D4 DS D2 D1 DO Value OUT NC RW1 RW2 M2 M1 MO BCD OUT Current state of counter output NC Null count is 1 when the last count written to the counter register has been loaded into the counting element 49 Appendix C C 3 Counter Operating Modes The 82C54 programmable interval timer uses four registers at addresses BASE 24 Dec BASE 26 Dec BASE 28 Dec and BASE 30 Dec for read write and control of counter functions Register functions appear below MODE 0 Stop on Terminal Count The output will initially below after you set operation to this mode After you load the count into the selected count register the output will remain low and the counter will count When the counter reaches the terminal count its output will go high and remain high until you reload it with the mode or a new count value The counter continues to decrement after it reaches the terminal count Rewriting a counter register during counting has the following
8. Function Group Digital Input Output Function Group e Counter Function Group Port Function Group For the usage and parameters of each function please refer to the Func tion Overview chapter in the DLL Drivers Manual 4 3 3 Troubleshooting DLL Driver Error Driver functions will return a status code when they are called to perform a certain task for the application When a function returns a code that is not zero it means the function has failed to perform its designated func tion To troubleshoot the DLL driver error you can pass the error code to DRV GetErrorMessage function to return the error message Or you can refer to the DLL Driver Error Codes Appendix in the DLL Drivers Manual for a detailed listing of the Error Code Error ID and the Error Message PCI 1742U User Manual 34 CHAPTER Calibration This chapter provides brief information on PCI 1742U calibration Sections include VR Assignment Chapter 5 Calibration PCI 1742U has been calibrated at the factory for initial use However a calibration of the analog input and the analog output function every six months is recommended These calibration programs make calibration an easy job With a variety of prompts and graphic displays these programs will lead you through the calibration and setup procedures showing you all the correct settings and adjustments To perform a satisfactory calibration you will need a 7 digit digital multi meter and a volt
9. Setting dialog box Figure2 5 you can configure the A D channel as Single ended or Differential and choose the D A channel ref erence voltage source type PCI 1742U Device Setting Base Address ECOO Hex Interrupt Channel B Hex Al channel i 4 D Channels Configuration D A Voltage Ref Channel 1 AO channel 0 settings g setting C Extemal Internal Channel 0 hd wv JJ Single Ended D A Voltage Ref Channel 2 _ 1 Extemal Internal setung Differential BY BY v Cancel Option Calibration About Advance setting for Calibration wiring boards function Figure 2 5 The Device Setting Dialog Box PCI 1742U User Manual 14 Note You can configure the source of D A reference volt age either as Internal or External and select the output voltage range When selecting Internal volt age source you have four options for the output voltage range 0 5V 0 10V 5V amp 10V When selected as External the output voltage range is determined by the external reference volt age in the following way By inputting an external reference voltage xV where x lt 10 you will get two available output voltage ranges 0 xV and x xV 2 5 Device Testing After following the Setup and Configuration procedure to the last step described in the previous section you can now proceed to test the device by clicking the Test Button on the Device Manager dialog box Fig 2 4 Note You can access the Device Test
10. analog signal cables away from any video monitor since it can significantly affect a data acquisition system If the cable travels through an area with significant electromagnetic interference you should adopt individually shielded twisted pair wires as the analog input cable This type of cable has its signal wires twisted together and shielded with a metal mesh The metal mesh should only be connected to one point at the signal source ground Avoid running the signal cables through any conduit that might have power lines in it 27 Chapter 3 If you have to place your signal cable parallel to a power line that has a high voltage or high current running through it try to keep a safe dis tance between them Or you should place the signal cable at a right angle to the power line to minimize the undesirable effect The signals transmitted on the cable will be directly affected by the qual ity of the cable In order to ensure better signal quality we recommend that you use the PCL 10168 shielded cable 3 6 BoardlD Switch Settings The PCI 1742U card has one Board ID switch setting The following image shows the layout of PCI 1742U VR1 PCI 1742U Figure 3 7 Jumpers and Switch Locations The PCI 1742U has a built in DIP switch SW1 which is used to define each the BoardID You can determine the BoardID switch on the register When there are multiple cards on the same chassis this BoardID switch setting function is useful for
11. and keep track of the byte order The data format for the control register is as below BASE 30 Dec 82C54 control Bit D7 D6 D5 D4 D3 D2 D1 DO Value SC1 SCO RW1 RWO M2 M1 MO BCD Description SC1 amp SCO Select counter Counter SC1 SCO 0 0 0 1 0 1 2 1 0 Read back command 1 1 47 Appendix C RW1 amp RWO Select read write operation Operation RW1 RWO counter Latch 0 0 Read write LSB 0 1 Read write MSB 1 0 Read write LSB first then MSB 1 1 M2 M1 amp MO Select operating mode M2 M1 MO Mode Description Stop on terminal count Programmable one shot Rate generator Square wave rate generator Software triggered strobe 0 0 X X 1 1 O 0O Aa a 0O0 0 0 1 0 1 0 1 oA OIN O Hardware triggered strobe BCD Select binary or BCD counting BCD Type 0 Binary counting 16 bits 1 Binary coded decimal BCD counting If you set the module for binary counting the count can be any number from 0 up to 65535 If you set it for BCD Binary Coded Decimal count ing the count can be any number from 0 to 9999 PCI 1742U User Manual 48 If you set both SC1 and SCO bits to 1 the counter control register is in read back command mode The control register data format then becomes BASE 30 Dec 82C54 control read back mode Bit D7 D6 D5 D4 D3 D2 D1 DO Value 1 1 CNT STA
12. dialog box through the previous procedure for the Device Installation or simply by accessing Start Programs Advantech Automation Device Manager Advantech Device Manager All functions are performed by the software polling method For high speed data acquirements or output functions have to use a corresponding VC example like ADINT or ADBMDMA 2 5 1 Testing the Analog Input Function Click the Analog Input tab to bring it up to the front of the screen Select the input range for each channel in the Input range drop down boxes Con figure the sampling rate on the scroll bar Switch the channels by using the up down arrow 15 Chapter 2 A Advantech Device Test PCI 17420 BoardID 15 I 0 ec00H Analog input Analog output Digital input Digital output Counter Channel No Input range Analog input reading FEZ Channel mode 16 single ended channels Iman Sampling period 1000 ms Zu SI BIR EI SI S E BI Change device Exit Figure 2 6 Analog Input tab 2 5 2 Testing the Analog Output Function Click the Analog Output tab to bring it up to the foreground The Analog Output tab allows you to output quasi sine triangle or square waveforms automatically or output single values manually You can also configure the waveform frequency and output voltage range AA Advantech Device Test PCI 17420 BoardID 15 I 0 ec00H Analog input Analog output Digital input hi Digital output Y Counter Channel 0 aveform out is r W
13. identifying each card device number through BoardID switch The factory setting for the PCI 1742U BoardID switch is 0 If you need to adjust it to other BoardID switchs set SW1 while referring to Table 3 2 PCI 1742U User Manual 28 Table 3 2 BoardID Setting ID3 ID2 ID1 IDO Board ID 1 1 1 1 0 1 1 1 0 1 1 1 0 1 2 1 1 0 0 3 1 0 1 1 4 1 0 1 0 5 1 0 0 1 6 1 0 0 0 7 0 1 1 1 8 0 1 1 0 9 0 1 0 1 10 0 1 0 0 11 0 0 1 1 12 0 0 1 0 13 0 0 0 1 14 0 0 0 0 15 Note On 1 Off 0 ID3 the most significant bit MSB of BoardID 29 Chapter 3 PCI 1742U User Manual 30 CHAPTER Software Overview This chapter gives you an overview of the software programming choices available and a quick reference of source codes Sections include Software Overview Programming Choices e DLL Driver Programming Chapter 4 Software Overview 4 1 Software Overview Programming choices for DAS cards You may use Advantech applica tion software such as Advantech DLL driver On the other hand advanced users are allowed another option for register level program ming although not recommended due to its laborious and time consum ing nature 4 2 Programming Choices 4 2 1 DLL Driver The Advantech DLL Drivers software is included on the companion CD ROM at no extra charge It also comes with all the Advantech DAS cards Advantech s DLL driver features a comp
14. pin I O connector on the PCI 1742U and table 3 1 shows the I O connector signal description 3 1 1 VO Connector Signal Description Table 3 1 I O Connector Signal Description AI lt 0 15 gt AIGND Input Analog Input Channels O through 15 Each channel pair Al lt i i 1 gt i 0 2 4 14 can be configured as either two single ended inputs or one differential input AIGND Analog Input Ground The three ground references AIGND AOGND and DGND are connected together AOO REF AO1 REF AOGND Input Analog Output Channel 0 1 External Ref erence AOO OUT AO1 OUT AOGND Output Analog Output Channels 0 1 AOGND Analog Output Ground The analog out put voltages are referenced to these nodes The three ground references AIGND AOGND and DGND are con nected together DI lt 0 15 gt DGND Input Digital Input channels DO lt 0 15 gt DGND Output Digital Output channels DGND Digital Ground This pin supplies the ref erence for the digital channels at the I O connector as well as the 5VDC supply The three ground references AIGND AOGND and DGND are connected together PCI 1742U User Manual 20 Table 3 1 I O Connector Signal Description CNTO CLK DGND Input Counter O Clock Input The clock input of counter O can be either external or inter nal as set by software CNTO OUT DGND Output
15. rail mounted screw terminal board to be used with any PC LabCard products with a 68 pin SCSI connector PCLD 8710 features the following functions Two additional 20 pin flat cable connectors for digital input and output Reserved space on board to meet future needs for signal conditioning circuits e g low pass filter voltage attenuator and current shunt Industrial grade screw clamp terminal blocks for heavy duty and reli able connections PCI 1742U User Manual 6 CHAPTER Installation This chapter provides a packaged item checklist proper instructions about unpacking and step by step procedures for both driver and card installation Sections include Unpacking Driver Installation Hardware Installation e Device Configuration amp Testing e Device Testing Chapter 2 Installation 2 1 Unpacking After receiving your PCI 1742U package please inspect its contents first The package should contain the following items PCI 1742U card Companion CD ROM DLL driver included User Manual The PCI 1742U card harbors certain electronic components vulnerable to electrostatic discharge ESD ESD could easily damage the integrated circuits and certain components if preventive measures are not carefully paid attention to Before removing the card from the antistatic plastic bag you should take following precautions to ward off possible ESD damage Touch the metal part of your computer chassis with
16. results 1 Writing to the first byte stops the current counting 2 Writing to the second byte starts the new count MODE 1 Programmable One shot Pulse The output is initially high The output will go low on the count following the rising edge of the gate input It will then go high on the terminal count If you load a new count value while the output is low the new value will not affect the duration of the one shot pulse until the succeed ing trigger You can read the current count at any time without affecting the one shot pulse The one shot is re triggerable thus the output will remain low for the full count after any rising edge at the gate input MODE 2 Rate Generator The output will be low for one period of the input clock The period from one output pulse to the next equals the number of input counts in the counter register If you reload the counter register between output pulses the present period will not be affected but the subsequent period will reflect the value The gate input when low will force the output high When the gate input goes high the counter will start from the initial count You can thus use the gate input to synchronize the counter PCI 1742U User Manual 50 With this mode the output will remain high until you load the count regis ter You can also synchronize the output by software MODE 3 Square Wave Generator This mode is similar to Mode 2 except that the output will remain high u
17. setup 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 2 4 Device Configuration amp Testing The Device Manager program is a utility that allows you to configure and test your device and later stores your settings on the system registry These settings will be used when you call the APIs of Advantech Device Drivers After properly installing PCI 1742U you can now proceed to configure and test the device by clicking the Setup Test button on the I O Device Manager dialog box Fig 2 4 Advantech Device Manager Your ePlatform Partner INDE bite TR Device Manager Installed Devices BY My Computer Device 000 lt PCI 1742U BoardID 15 10 ec00H gt configuration Device test Supported Devices Advantech DEMO Board gt 86 Advantech PCI 1680 Advantech PCI 1710 L HG HGL Advantech PCI 1711 lt Advantech PCI 1711L PCI 1731 Advantech PCI 1712 lt Advantech PCI 1713 Advantech PCI 1714 0L Advantech PCI 1716 Figure 2 4 Device Manager Dialog Box 13 Chapter 2 Note As we have noted the device name 000 lt PCI 1742U BoardlD 1 I O ec000H begins with device number 000 which is specifically assigned to each card The device number is passed to the driver to specify which device you wish to control Device Configuration In the Device
18. 1 25 0 625 Bandwidth of PGA Gain 0 5 1 2 4 8 PGA Band 2MHz 2MHz 1MHz 1MHz 800kHz width Common 7 V max operational Mode Voltage Protection 20 V Input 100 M 10pF Off 100 M 100pF On Impedance Accuracy DC DNLE 1LSB INLE 3LSB Offset error Adjustable to 2 LSB Gain 0 5 1 2 4 8 Gain error 0 02 0 02 0 02 0 03 0 04 FSR AC THD 90 dB ENOB 13 5 bits 1MS s 14 5 bits O lt 250KS s PCI 1742U User Manual 40 A 2 Analog Output Channels 2 Resolution 16 bit Throughput 2MS s max per channel FSR Output Range Using Internal 0 5V 0 10 V 5 5V Internal amp External Reference 10 10V Reference Using External 0 x V x V 10 x 10 Reference x x V x V 10 x 10 Accuracy DC DNLE 1LSB monotonic INLE 2LSB Offset error Adjustable to 2 LSB Gain error Adjustable to 2 LSB Dynamic Settling Time 0 5us to 4 LSB of FSR Performance Slew Rate 40 V us Driving Capability 20mA Output Impedance 2 5 ohm Tempco Gain 30 ppm C Offset 15uV C 41 Appendix A A 3 Digital Input Output Pull up resistor Input channels 16 Output channels 16 Number of ports 2 Input Voltage Low 0 8 V max High 2 0 V min Output Voltage Low 0 5 V max 24 mA sink High 2 4 V min 15 mA source 10k A 4 Counter Timer Channels 1 82C54 Resolu
19. 3 4 Differential Connection Floating Signal 25 Figure 3 5 Example u eee Analog Output Connections LE EEEEEE E EE Figure 3 6 Analog Output Connections Trigger Source Connections 3 4 1 Internal Pacer Trigger Connectioa 3 4 2 External Trigger Source Connection j Field Wiring Considerations BoardID Switch Settings Figure 3 7 Jumpers and Switch Locations Table 3 2 BoardID Setting 2 0 eee Software Overview z e DZ Software Overview Programming Choices 42 1 DLL Driver 42 2 Register Level Programming EL eee 32 DLL Driver Programming Roadmap 32 4 3 1 Programming Tools 33 4 3 2 Programming with DLL Driver Function Library 33 4 3 3 Troubleshooting DLL Driver Erroe 34 Calibration 36 VR AssSignment ekere eke ek kek He Figure 5 1 Locations of VR1 and TP3 5 1 1 Calibration Utility Figure 5 2 AD and DA Auto Calibration Utility Figure 5 3 Calibration Utility Instruction Specifications 40 Digital Input OutpUt U keke 42 Counter LIMET oeeie ann falo a enirat 42 General Block Diagram
20. 3 Device Manager Device Configuration amp Testing Figure 2 4 Device Manager Dialog Box 13 Figure 2 5 The Device Setting Dialog Box 14 Device Testing rasen 2 5 1 Testing the Analog Input Function Figure 2 6 Analog Input tab 2 5 2 Testing the Analog Output Function Figure 2 7 Analog Output Tab 2 5 3 Testing Digital Input Function Figure 2 8 Digital Input Tab UUUUUUU 2 5 4 Testing Digital Output Function Figure 2 9 Digital Output Tab 2 5 5 Testing Counter Function a Figure 2 10 Counter Tab eee Signal Connections 20 TO Connect DA 25 2172yi n ey He a a 20 3 1 1 I O Connector Signal Description 20 3 1 2 Pin Assignment s i Aya se nek rrenan 22 Figure 3 1 1 O Connector Pin Assignments 22 Analog Input Connections useesnesnsersessensensenee sonen 23 v Table of Contents 3 3 3 4 Dn Chapter mr Ne A Chapter Appendix A AS Appendix B Appendix C C 1 C 2 C 3 3 2 1 Single ended Channel Connections Figure 3 2 Single ended Channel Connections 3 2 2 Differential Channel Connections Figure 3 3 Differential Connection Ground Signal 24 Figure
21. Counter PCI 1742U provides a programmable timer counter for generating a pacer trigger for the A D conversion The timer counter chip is 82C54 which includes three 16 bit counter 10 MHz clocks One counter is used as an event counter for counting events coming from the input channel The other two are cascaded together to make a 32 bit timer for pacer trig ger time base 3 Chapter 1 1 3 Installation Guide Before you install your PCI 1742U card please make sure you have the following necessary components PCI 1742U Multifunction Card PCI 1742U User Manual Driver software Advantech DLL Drivers in the companion CD ROM Computer PC with a PCI bus slot running Windows 2000 XP Application software ActiveDAQ ActiveDAQ Pro 3rd party software 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 procedures Fig 1 1 on the next page provides a concise flow chart to give users a broad picture of the software and hard ware installation procedures PCI 1742U User Manual 4 Install Driver from CD ROM then turn off power Install hardware and turn on the PC Use test utility to test hardware Read examples and driver manual Start to write your own application Figure 1 1 Installation Flow Chart 1 4 Software Advantech offers a rich set of DLL drivers 3rd party driver support and application software to help fu
22. O13 DO15 DGND PACER OUT TRG GATE EXT TRG 5V Figure 3 1 I O Connector Pin Assignments PCI 1742U User Manual 3 2 Analog Input Connections 3 2 1 Single ended Channel Connections The single ended input configuration has only one signal wire for each channel and the measured voltage Vm is the voltage of the wire as ref erenced against the common ground A signal source without a local ground is also called a floating source It is fairly simple to connect a single ended channel to a floating signal source In this mode the PCI 1742U provides a reference ground for external floating signal sources Fig 3 2 shows a single ended channel connection between a floating signal source and an input channel on PCI 1742U External Internal o Measured Voltage va vo Connector Figure 3 2 Single ended Channel Connections 23 Chapter 3 3 2 2 Differential Channel Connections The differential input channels operate with two signal wires for each channel and the voltage difference between both signal wires is mea sured On PCI 1742U when all channels are configured to differential input up to 8 analog channels are available If one side of the signal source is connected to a local ground the signal source is ground referenced Therefore the ground of the signal source and the ground of the card will not be exactly of the same voltage The difference between the ground voltages forms a common mode voltage
23. PCI 1742U includes one 82C54 compatible programmable Timer Counter chip which provides three 16 bit counters connected to a 10 MHz clock each designated specifically as Counter 0 Counter 1 and Counter 2 Counter 0 is a counter which counts events from an input channel or outputting pulse Counter 1 and Counter 2 are cascaded to cre ate a 32 bit timer for pacer triggering A low to high edge from the Counter 2 output PACER OUT will trigger an A D conversion on the PCI 1742U At the same time you can also use this signal as a synchro nous signal for other applications 3 4 2 External Trigger Source Connection In addition to pacer triggering the PCI 1742U also allows external trig gering for A D conversions A low to high edge coming from EXT_TRG will trigger an A D conversion on the PCI 1742U When DGND is connected to TRG_GATE the external trigger function is thereby disabled 3 5 Field Wiring Considerations When you use the PCI 1742U to acquire data from outside noises in the environment might significantly affect the accuracy of your measure ments if due cautions are not taken The following measures will be help ful to reduce possible interference running signal wires between signal sources and the PCI 1742U The signal cables must be kept away from strong electromagnetic sources such as power lines large electric motors circuit breakers or welding machines since they may cause strong electromagnetic inter ference Keep the
24. age calibrator or a stable noise free D C voltage source Note Before you calibrate the PCI 1742U you must turn on the power at least 15 minutes to make sure the DAS card is stable 5 1 VR Assignment There is one variable resistor VR1 on the PCI 1742U to adjust the accu rate reference voltage on the PCI 1742U We provide a test point See TP3 in Figure 5 1 for you to check the reference voltage on board Before you start to calibrate A D and D A channels please adjust VR1 until the reference voltage on TP3 has reached 5 0000 V Figure 5 1 shows the locations of VR1 and TP3 PCI 1742U Figure 5 1 Locations of VRI and TP3 PCI 1742U User Manual 36 5 1 1 Calibration Utility Users can access the AD and DA Auto Calibration utility through the Advantech Device Manger Advantech Device Manager Your ePlatform Partner Device Man Installed Devices E My Computer PCI 17420 Device Setting EG 000 lt PCI 1742U BoardID 15 1 O c00H gt Base Address ECOO Hex Interrupt Channel B Hex A D Channels Configuration D A Voltage Ref Channel 1 C Extemal Internal 0 Channel sd a Single Ended E Supported Devices D A Voltage Ref Channel 2 a External Internal Advantech DEMO Board Differential Advantech PCI 1680 5V 5V v Advantech PCI 1710 L HG HGL ERA Advantech PCI 1711 gt lt Advantech PCI 1711L CI 1731 Caibraton _ About Advantech PCI 1712 Advantech PCI 1713
25. aveform output Manual Output generated by 4 ay Output Voltage software with 100 0 y points in one cycle AANA EN e o m gt Out Channel 1 Waveform output Manual Output p utput Voltage Den Ti Dut Overall waveform period 10 sec 4 _ Change device Exit Figure 2 7 Analog Output Tab PCI 1742U User Manual 16 2 5 3 Testing Digital Input Function Click the Digital Input tab to show forth the Digital Input test panel as seen below Through the color of the lamps you can easily discern whether the status of each digital input channel is high or low A Advantech Device Test PCI 1742U BoardID 15 1 0 ec00H Analog input ji Analog output Digital input ji Digital output Counter Port No Bit 7 4 3 0 Hex 299090 90900900 F 290909 0090 F Ou Figure 2 8 Digital Input Tab 2 5 4 Testing Digital Output Function Click the Digital Output tab to bring up the Digital Output test panel such as the one seen on the next page By pressing the buttons on each tab you can easily set each digital output channel as high or low for the corre sponding port ZA Advantech Device Test PCI 17420 BoardID 15 I 0 ec00H Analog input i Analog output Digital input Digital output Counter Port No Bit 7 Hex ER om jo orco Change device Figure 2 9 Digital Output Tab 17 Chapter 2 2 5 5 Testing Counter Function Click the Counter Tab to bri
26. bination sum of the two resistors For ra and rb for example if the input impedance rsis 1 kW and each of the two resistors are 100 kW then the resistors load down the signal source with 200 kW 100 kW 100 kW resulting in a 0 5 gain error The following gives a simpli fied representation of the circuit and calculating process 25 Chapter 3 rs 1 KQ a fatlb Vi 200 kQ O Ve at 200 _ 200 CD Te Ta T 1 200 i go 2 I 5 Gain error V 501 0 5 Figure 3 5 Example 3 3 Analog Output Connections gt 201 Vs ideal signal source Vi measured signal source rs output impedance of signal source la Fb series wound resistors Vs The PCI 1742U provides two D A output channels AOO and AO1 You may use the PCI 1742U internally provided precision 5V 10V refer ence to generate 0 to 5 V 10 V D A output range You may also cre ate a D A output range through the external reference AO0_REF The external reference input range is 10 V For example connecting with an external reference of 7 V will generate 0 7 V D A output Fig 3 5 shows how to make analog output and external reference input connections on the PCI 1742U Internal 5 o INT_REF AOO REF 10V DATA BUS AOGND Figure 3 6 Analog Output Connections PCI 1742U User Manual 26 External External Reference For DA Signal 0 3 4 Trigger Source Connections 3 4 1 Internal Pacer Trigger Connection
27. cription of your peripheral attachments Description of your software OS version software etc A complete description of the problem The exact wording of any error messages Packing List Before setting up the system check that the items listed below are included and in good condition If any item does not accord with the table please contact your dealer immediately 1x PCI 1742U card 1 x Companion CD ROM DLL driver included e 1 x User Manual This manual PCI 1742U User Manual iv Chapter Chapter Chapter mm NR m mm ns my NR NM 2 4 2 5 3 3 1 3 2 Contents Introduction s unun nun uueece eeoeeoese 2 Introduction Features nes 1 2 1 Auto Calibration Function 1 2 2 Bo rdID iii 1 2 3 Plug and Play Function 3 1 2 4 Onboard FIFO Memory EEE eee 3 1 2 5 Onboard Programmable Timer Counter 3 Installation Guide na Figure 1 1 Installation Flow Chart 5 Software nase aa ale Accessories 1 5 1 PCL 10168 Wiring Cable 1 5 2 ADAM 3968 Wiring Boards 1 5 3 BELD gt 87104 22 242282 Installation 8 Unpackine u Reese Driver Installation Figure 2 1 Setup Screen Figure 2 2 Driver Setup Hardware Installation nasenne aa Figure 2
28. djust Bipolar offset voltage 1 NV 3 Adjust Unipolar offset voltage 4 Adjust the Gain value 3 Adjust Bipolar offset voltage E 5 Adjust Normal and Warp mode offset l 4 Adjust Unipolar offset voltage Step Adi Number Adjust ode _ ADVot Stas al AD Calibration Step1 0 000076 PASS AD Calibration Step2 STE 0 000099 PASS AD Calibration Step3 32767 5 0 000069 PASS AD Calibration Step4 65331 4 4 968930 Cycle 1 PASS AD Calibration Step5 DAO Calibration Step1 DAO Calibration Step2 DAO Calibration Step3 DAO Calibration Step4 DA1 Calibration Step1 1 Adjust GAIN 10V calibration 2 Adjust GAIN 5V calibration _ soo co POY TIS Figure 5 3 Calibration Utility Instruction Item 1 AD calibration steps Item 2 DA calibration steps Item 3 Show AD DA calibration parameters and status PCI 1742U User Manual 38 APPENDIX Specifications Appendix A Specifications A 1 Analog Input Channels 16 single ended or 8 differential or combination Resolution 16 bit FIFO Size 1K samples Max Sampling 1 MS s single channel Rate 800kS s multi channel 250kS s unipolar bipolar mixed A D converter Normal mode maximum 800kS s minimum no mode Warp mode maximum 1MS s minimum 1kS s Input range PGA Gain 0 5 1 2 4 8 and Unipolar N A 0 10 0 5 0 2 5 0 1 25 PGA Gain List Bipolar 10 5 25
29. els One 16 bit 10MHz counter Auto calibration function Universal PCI Bus Support 3 3 5 V PCI Bus signal Board ID switch 1 2 1 Auto Calibration Function The PCI 1742U provides an auto calibration function with an calibration utility The built in calibration circuitry of the PCI 1742U corrects gain and offset errors in analog input channels thereby eliminating the need for external equipment and user adjustments PCI 1742U User Manual 2 1 2 2 BoardlD The PCI 1742U has a built in DIP switch that helps define each card s unique ID when multiple PCI 1742U cards have been installed on the same PC chassis The BoardID setting function is very useful when build ing a system with multiple PCI 1742U cards With the correct BoardID settings you can easily identify and access each card during hardware configuration and software programming 1 2 3 Plug and Play Function The PCI 1742U is a Plug and Play device which fully complies with PCI Specification Rev 2 2 During card installation there is no need to set jumpers or DIP switches Instead all bus related configurations such as base I O address and interrupt are automatically done by the Plug amp Play function 1 2 4 Onboard FIFO Memory PCI 1742U provides 1K samples on board FIFO First In First Out memory buffer for AD This is an important feature for faster data trans fer and more predictable performance under the Windows system 1 2 5 Onboard Programmable Timer
30. ether it is prop erly installed on your system in the Device Manager 1 Access the Device Manager through Start Control Panel System Device Manager 2 The device name of PCI 1742U should be listed on the Device Manager E Device Manager Action View Help EM Advantech DA amp C I O cards Advantech PCI1742U Device See Disk drives E Display adapters DVD CD ROM drives By Floppy disk controllers Human Interface Devices 53 IDE ATAJATAPI controllers lt j IEEE 1394 Bus host controllers J Infrared devices Ge Keyboards o Mice and other pointing devices b Modems 2 Monitors EB Network adapters PCMCIA adapters Ports COM amp LPT MR Processors amp SCSI and RAID controllers Sound video and game controllers Figure 2 3 Device Manager Note If your card is properly installed you should see the device name of your card listed on the Device Manager tab If you see your device name listed 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 PCI 1742U User Manual 12 After your card is properly installed on your system you can now config ure your device using the Device Manager program that has itself already been installed on your system during driver
31. fers three independent 16 bit counters counter 0 counters 1 and 2 You can program each counter for maximum count values from 2 to 65535 The 82C54 has a maximum input clock frequency of 10 MHz The PCI 1742U provides 10 MHz input frequencies to the counter chip from an onboard crystal oscillator Counter 0 On the PCI 1742U counter O can be a 16 bit timer or an event counter as chosen by the user When the clock source is set as an internal source counter O is a 16 bit timer Counter 1 amp 2 Counters 1 and 2 of the counter chip are cascaded to create a 32 bit timer for the pacer trigger A low to high edge of counter 2 s output will trigger an A D conversion PCI 1742U User Manual 46 C 2 Counter Read Write amp Control Registers The 82C54 programmable interval timer uses four registers at addresses BASE 24 Dec BASE 26 Dec BASE 28 Dec and BASE 30 Dec for read write and control of counter functions Register functions appear below Table C 1 Counter Registers Register Function BASE 24 Dec Counter 0 read write BASE 26 Dec Counter 1 read write BASE 28 Dec Counter 2 read write BASE 30 Dec Counter control word Since the 82C54 counter uses a 16 bit structure each section of read write data is split into a least significant byte LSB and most significant byte MSB To avoid errors it is important that you make read write operations in pairs
32. h development tool Advantech offers a Tutorial Chapter in the DLL Drivers Manual for your reference Please refer to the corresponding sections in this chapter on the DLL Drivers Manual to begin your programming efforts You can also take a look at the example source codes provided for each programming tool since they can be very helpful The DLL Drivers Manual can be found on the companion CD ROM Or if you have already installed the DLL Drivers on your system The DLL Drivers Manual can be readily accessed through the Start button Start Programs Advantech Automation Device Manager Device Driver s Manual The example source codes can be found under the corresponding installa tion folder such as the default installation path Program Files ADVANTECMADSAPI Examples For information about using other function groups or development tools please refer to the Creating Windows 2000 XP Application with DLL Driver and the Function Overview chapters in the DLL Drivers Manual 4 3 2 Programming with DLL Driver Function Library Advantech DLL driver offers a rich function library to be utilized in vari ous application programs This function library consists of numerous APIs that support many development tools such as Visual C Visual Basic Delphi and C Builder 33 Chapter 4 According to their specific functions or services these APIs can be cate gorized into several function groups Analog Input Function Group Analog Output
33. ip it prepaid to your dealer iii CE This product has passed the CE test for environmental specifications Test condi tions for passing included the equipment being operated within an industrial enclosure In order to protect the product from being damaged by ESD Electro static Discharge and EMI leakage we strongly recommend the use of CE com pliant industrial enclosure products FCC Class A 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 environment 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 Operation 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 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 for technical support if you need additional assistance Please have the following information ready Product name and serial number Des
34. lete I O function library to help boost your application performance The Advantech DLL driver for Win dows 2000 XP works seamlessly with development tools such as Visual C Visual Basic Borland C Builder and Borland Delphi 4 2 2 Register Level Programming Register level programming is reserved for experienced programmers who find it necessary to write code directly at the level of device regis ters Since register level programming requires much effort and time we recommend that you use the Advantech DLL drivers instead However if register level programming is indispensable you should refer to the rele vant information in Appendix C Register Structure and Format or to the example codes included on the companion CD ROM 4 3 DLL Driver Programming Roadmap This section will provide you a roadmap to demonstrate how to build an application from scratch using Advantech DLL driver with your favorite development tools such as Visual C Visual Basic Delphi and C Builder The step by step instructions on how to build your own applica tions using each development tool will be given in the DLL Drivers Man ual Moreover a rich set of example source codes are also given for your reference PCI 1742U User Manual 32 4 3 1 Programming Tools Programmers can develop application programs with their favorite devel opment tools e Visual C Visual Basic Delphi e CH Builder For instructions on how to begin programming in eac
35. lly exploit the functions of your PCI 1742U card e DLL driver on the companion CD ROM e LabVIEW driver e Advantech ActiveDAQ Advantech ActiveDAQ Pro 5 Chapter 1 For more information on software please refer to Chapter 4 Software Overview Users who intend to program directly at the registers of the Multifunction card have register level programming as an option Since register level programming is often difficult and labor intensive it is usually recom mended only for experienced programmers For more information please refer to Appendix C Register Structure amp Format 1 5 Accessories Advantech offers a complete set of accessory products to support the PCI 1742U cards These accessories include 1 5 1 PCL 10168 Wiring Cable The PCL 10168 shielded cable is specially designed for PCI 1742U cards to provide high resistance to noise To achieve a better signal quality the signal wires are twisted in such a way as to form a twisted pair cable reducing cross talk and noise from other signal sources Furthermore its analog and digital lines are separately sheathed and shielded to neutralize EMI EMC problems 1 5 2 ADAM 3968 Wiring Boards The ADAM 3968 is a 68 pin SCSI wiring terminal module for DIN rail mounting This terminal module can be readily connected to the Advan tech PC Lab cards and allow easy yet reliable access to individual pin connections for the PCI 1742U card 1 5 3 PCLD 8710 PCLD 8710 is a DIN
36. ng its test panel forth The counter channel Channel 0 offers two options Event counting and Pulse out If you select Event counting you need to connect your clock source to pin CNTO CLK If you select Pulse Out the clock source will be output to pin CNTO OUT You can configure the Pulse Frequency with the scroll bar right below it AA Advantech Device Test Ze 17420 BoardID 15 1 0 ec00H Analog input Analog output Digital input Digital output Counter Channel Sampling rate 500ms Counting value 0 Event counting Pulse out Pulse frequency 1 KHz 4 gt Stop Change device Exit Figure 2 10 Counter Tab Only after your card device is properly set up configured and tested can the device installation procedure be counted as complete After the device installation procedure is completed you can safely proceed to the next chapter Signal Connections PCI 1742U User Manual 18 CHAPTER Signal Connections This chapter provides useful informa tion about how to connect input and output signals to PCI 1742U via the I O connector Sections include e I O Connector e Analog Input Connections e Analog Output Connections Trigger Source Connections Field Wiring Considerations Chapter 3 Signal Connections 3 1 I O Connector The I O connector on the PCI 1742U is a 68 pin connector that enables you to connect to accessories with the PCL 10168 shielded cable Fig 3 1 shows the pin assignments for the 68
37. ntil one half of the count has been completed for even numbers and will go low for the other half of the count This is accomplished by decreasing the counter by two on the falling edge of each clock pulse When the counter reaches the terminal count the state of the output is changed the counter is reloaded with the full count and the whole process is repeated If the count is odd and the output is high the first clock pulse after the count is loaded decrements the count by 1 Subsequent clock pulses dec rement the count by 2 After time out the output goes low and the full count is reloaded The first clock pulse following the reload decrements the counter by 3 Subsequent clock pulses decrement the count by two until time out then the whole process is repeated In this way if the count is odd the output will be high for N 1 2 counts and low for N 1 2 counts MODE 4 Software Triggered Strobe After the mode is set the output will be high When the count is loaded the counter will begin counting On terminal count the output will go low for one input clock period then go high again If you reload the count reg ister during counting the new count will be loaded on the next CLK pulse The count will be inhibited while the GATE input is low MODE 5 Hardware Triggered Strobe The counter will start counting after the rising edge of the trigger input and will go low for one clock period when the terminal count is reached
38. tech 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 is 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 If your 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 container A 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 sh
39. tion 16 bit Clock source 10MHz max Clock Tempco 50 ppm C A 5 General I O Connector Type 68 pin SCSI II female Dimensions 175 x 100 mm 6 9 x 3 9 Power Consumption Typical 5 V 850 mA 12 V 600 mA Max 5V I1A Temperature Operation 0 60 C 32 158 F refer to IEC 68 2 1 2 Storage 20 85 C 4 185 F Relative Humidity 5 95 RH non condensing refer to IEC 68 2 3 Certification CE certified PCI 1742U User Manual 42 APPENDIX Block Diagram Appendix B Block Diagram DZ z ED 1K Samples FIFO 16 bit A D Convertor Channel Scan Logic PCI Controller AID amp D A Status Control Logic Address Decoder Address Bus Data Bus 16 bit Digital Output 16 bit Digital Input 16 bit D A Output 16 bit D A Output 1 ALLL COUNTER 10MHz 10 IRQ Control 1MHz Logic COUNTER 1 COUNTER JE CNTO CL O CNTO OUT CNTO GATE PACER OUT AID Trigger Logic EXT_TRG alo an Multiplexer 16 SIE e or e T 8 DIFF e Gain Control RAJ A 15 PCI 1742U User Manual 44 C APPENDIX 82C54 Counter Chip Function Appendix C 82C54 Counter Chip Function C 1 Intel 82C54 The PCI 1742U uses one Intel 82C54 compatible programmable interval timer counter chip The popular 82C54 chip of
40. 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 Autorun function enabled on your system When the Setup program is launched you ll see the following setup screen eAutomation AD ANTECH PASC Device cine P AS Figure 2 1 Setup Screen 9 Chapter 2 Note If the autoplay function is not enabled on your computer use Windows Explorer or Windows Run command to execute Autorun exe in the companion CD ROM Step 3 Select the Installation option then the Individual Drivers option Step 4 Select the specific device then just follow the installation instruc tions step by step to complete your device driver setup AD ANTECH DA amp C Device Driver CD ISA BUS PC 104 MIC 2000 USB a Back Exit Figure 2 2 Driver Setup For further information on driver related issues an online version of the DLL Drivers Manual is available by accessing the following path Start Programs Advantech Automation Device Manager Device Driver s Manual PCI 1742U User Manual 10 2 3 Hardware Installation Note Make sure you install the driver before you install the card Refer to 2 2 Driver Installation After the DLL driver installation is completed you can install the PCI 1742U card in any PCI slot Itis suggested that you refer to the user man ual or related documents if you have any doubts Please follo
41. w the steps below to install the card on your system Step 1 Turn off your computer and unplug the power cord and cables Turn off your computer before installing or removing any components Step 2 Remove the cover of your computer Step 3 Remove the slot cover on the back panel of your computer Step 4 Touch the metal part on the surface of your computer to neutralize any static electricity that might be in your body Step 5 Insert the PCI 1742U 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 or the card might be dam aged Step 6 Fasten the bracket of the PCI card on the back panel rail of the computer with screws Step 7 Connect appropriate accessories 68 pin cable wiring terminals etc if necessary to the PCI card Step 8 Replace the cover of your computer chassis Re connect the cables you removed in step 2 Step 9 Plug in the power cord and turn on the computer Note If you installed the card without installing the DLL driver first Windows 2000 XP will recognize your card as an unknown device after reboot ing and will prompt you to provide the neces sary driver You should ignore the prompting messages just click the Cancel button and set up the driver according to the steps described in 2 2 Driver Installation 11 Chapter2 After the PCI 1742U card is installed you can verify wh
42. your hand to dis charge static electricity accumulated on your body Or one can also use a grounding strap Touch the antistatic 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 damaged components etc If the card is visibly damaged please notify our service department or the local sales representative immedi ately Avoid installing a damaged card into your system Also pay extra caution to the following to ensure proper installation e Avoid physical contact with materials that could hold static electricity such as plastic vinyl and Styrofoam PCI 1742U 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 com ponents Note Keep the antistatic bag for future use You might need the original bag to store the card ifyou have to remove the card from the PC or transport it else where 2 2 Driver Installation We recommend installing the driver before you plug the PCI 1742U Card into your system since this will guarantee a smooth installation process The 32 bit DLL driver Setup program for the PCI 1742U card is included on the companion CD ROM that is shipped with your DAS card package Please follow the steps below
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