PCI-773 Manual - EAGLE Technology
Contents
1. Found New Hardware Wizard ED Insert the manufacturer s installation disk into the drive Ok selected and then click OF Cancel Copy manufacturer s files from The driver is normally located in the lt CDROM gt EDRE DRIVERS WDM PCI773 directory Eagle Technology Copyright 2001 2002 www eagle co za 6 PCI 773 User Manual Eagle Technology Data Acquisition Select next when found Found New Hardware Wizard Driver Files Search Results na The wizard has finished searching for diver files for your hardware device The wizard found a driver for the following device te PCI Device Windows found a driver for this device To install the driver Windows found click Next d inP peir Oa int c Back Cancel Select next again Found New Hardware Wizard Completing the Found New Hardware Wizard O Parta 4 0 Board Windows has finished installing the software for this device To close this wizard click Finish lt Back Cancel When done you might have to restart your computer Post installation When done with the driver installation the device manager can be open to make sure the installation was a success Eagle Technology Copyright 2001 2002 www eagle co za 7 PCI 773 User Manual Eagle Technology Data Acquisition e First make sure that the driver is working properly by opening the Device Manager e Check under the Eagle Data Acquisition list if your board is2. 4 PROGRAMMING GUIDE j i LAS N EDR Enhanced API 13 Digital Inputs Outputs 14 Reading the Digital Inputs 14 riting to the Digital Outputs 14 Reading a single voltage from a channel 15 Analog Input Gain Codes PCIT7S___________________Error Bookmark not defined emperature Calculation 15 Eagle Technology Copyright 2001 2002 www eagle co za li PCI 773 User Manual Eagle Technology Data Acquisition 5 CALIBRATION 17 Requirements 17 Calibrating the Analog Input Subsystem Error Bookmark not defined A SPECIFICATIONS 19 bed Analog Input Characteristics PCI773 ked nput Characteristics onversion Characteristics ked Digital Input Characteristics Digital Input Characteristics LA Other CONFIGURATION CONSTANTS NO k N j Query Codes rror Codes Analog Input Gain Codes PCI773 T R 16 hermoCouple Type Codes N N N N W N N N olor codes for thermocouples N A LAYOUT DIAGRAM N Ol ORDERING INFORMATION UO Eagle Technology Copyright 2001 2002 www eagle co za iV PCI 773 User Manual Eagle Technology Data Acquisition Table of Tables Eagle Technology Copyright 2001 2002 www eagle co za V PCI 773 User Manual Eagle Technology Data Acquisition 1 Introduction The PCI773 series data acquisition boards have 32 bit PCI bus architecture They are available in two models the RID or Thermocouple version The PCI773 contain
3. Remove the cover of the PC Choose any open PCI slot and insert PCI board Insert bracket screw and ensure that the board sits firmly in the PCI socket Replace the cover of the PC Reconnect all power cables and switch the power on The hardware installation is now completed Eagle Technology Copyright 2001 2002 www eagle co za 3 PCI 773 User Manual Eagle Technology Data Acquisition Software Installation Windows 98 2000 ME Installing the Windows 98 2000 device driver is a very straightforward task Because it is plug and play Windows will auto detect the PCI board as soon as it is installed No setup is necessary You simply have to supply Windows with a device driver Wait until Windows detects the new hardware Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install a device driver for a hardware device To continue click N evt Back Cancel Select Next Eagle Technology Copyright 2001 2002 www eagle co za 4 PCI 773 User Manual Eagle Technology Data Acquisition Found New Hardware Wizard Install Hardware Device Drivers Pha tae A device diver is a software program that enables a hardware device to work with Sy an operating system This wizard will complete the installation for this device oy PCI Device A device driver is a software program that makes a hardware device work Windows needs diver files for your new device To l
4. Maximum Working Voltage Conversion Characteristics Maximum A D Sampling Rate Resolution Maximum full scale error Digital Input Characteristics Number of Channels Compatibility I O Characteristics Eagle Technology Copyright 2001 2002 www eagle co za Eagle Technology Data Acquisition MODEL Channel Range Gain PCI 773R16 1 ES N PCI 773T16 30 70 mV 2 5V differential inputs 10 kHz 14 bits 0 05 16 74HCT573 Input Low Voltage Input High Voltage Low Level Input Current High Level Input Current Output High 2 4V Voltage Output Low 0 6V Voltage Low Level Output 24 mA Current High Level Output Current 19 PCI 773 User Manual Eagle Technology Data Acquisition Digital Input Characteristics Number of Channels 16 Compatibility 74HCT374 I O Characteristics Input Low Voltage Input High Voltage 2 0V Low Level Input 100 uA Current High Level Input 100 uA Current Output High 2 4V Voltage Output Low Voltage Low Level Output Current High Level Output Current Other Bus Interface PCI 2 2 Compatible Master amp Slave 3 3V or 5V Power Requirements LBV 5 1 3 A Eagle Technology Copyright 2001 2002 www eagle co za 20 PCI 773 User Manual Eagle Technology Data Acquisition B Configuration Constants Query Codes APIMA OR APIMINOR APIBUILD APIOS APINUMDE
5. 1 PCI 773 User Manual Eagle Technology Data Acquisition Contact Details Below are the contact details of Eagle Technology Eagle Technology PO Box 4376 Cape Town 8000 South Africa Telephone 27 021 423 4943 Fax 27 021 424 4637 Website lhtto Awww eagledag com Eagle Technology Copyright 2001 2002 www eagle co za PCI 773 User Manual Eagle Technology Data Acquisition 2 Installation This chapter describes how to install and configure the PCI773 for the first time Minimal configuration is necessary almost all settings are done through software The PCI BIOS or operating system will take care of all resource assignments Before using the board calibration of the voltage offsets is necessary Package PCI773 package will contain the following e PCI773 PCI board e DC40 DB37 extender cable e Software CD Rom Operating System Support PCI773 support the following operating systems Board Type Revision Operating Systems Driver Type PC1773T16 Revision 1 Windows 2000 98 ME XP WDM PnP PCI773R16 Revision 1 Windows 2000 98 ME XP WDM PnP Table 2 1 Operating System Support Hardware Installation This section will describe how to install your PCI board into your computer e Switch off the computer and disconnect from power socket Failure to disconnect all power cables can result in hazardous conditions as there may be dangerous voltage levels present in externally connected cables
6. 4 e O 3 CORE CABLE JUNCTION RTD 1Y 2 REF D AWAY SCREW TERMINAL 4 WIRE SYSTEM hee O RTD C S 4 CORE CABLE JUNCTION RTD RTD IY REF D 4WAY SCREW TERMINAL REF S RTD IC S AL RIDE IY REF D AWAY SCREW TERMINAL RTD Connection Diagram Calibrating the PCI 773 with the THERMOCOUPLE adaptor 1 Calibration is done on all the channels The recommended connector wiring is to connect all the channels inputs together and all the inputs together 1i All cables should be as short as possible XV You can now start the calibration software PCI700CCAL EXE 111 Step 1 you can set until voltage is as close as possible to OVolts iv Step 2 to Step 17 you need to supply OVolts to all the channels and calibrate until the reading is as close to 0Volts as possible v Before doing the Hardware Gain calibration you need to supply a very accurate 50mVolt signal to all the channels Gain setting is done automatically vi Step 19 is to calibrate the CJC reading Set CJC CAL VR until the reading is the same as the ambient temperature vii SAVE SETTINGS Vill Great you re done Eagle Technology Copyright 2001 2002 www eagle co za 18 PCI 773 User Manual A Specifications Analog Input Characteristics PCI773 Input Characteristics Input Signal Ranges Input Coupling
7. Run edreapi exe found on the Eagle CD Rom and follow the on screen instructions Windows NT Windows NT does not require any special setup procedure The Windows NT driver does not support plug and play If Windows 2000 detects a new device simply install a default driver or so called placeholder This will disable the device in the plug and play manager To install the Windows NT drivers simply run edrewinnt exe on the Eagle CD Rom This will automatically install the device drivers Restart your computer when done Open the EagleDAQ folder in the control panel to check if your installation was successful Accessories The PCI773 has got a wide variety of accessories that it can be connected too See the Eagle Technology catalog for more information Eagle Technology Copyright 2001 2002 www eagle co za 9 PCI 773 User Manual Eagle Technology Data Acquisition 3 Interconnections The PCI773 has two connectors an internal IDC40 connector for digital I O and an external connection situated on the card s bracket for differential analog in and power A wide variety of genuine accessories available from Eagle Technology also make interfacing to the PCI773 very easy Accessories are available in the form of cables screw terminals and application modules External Connectors PCI773T16 and PCI773R16 The PCI773 has an IDC40 and a DB37 male connector A conversion cable is included that changes the IDC40 to a DB37 male connec
8. AQD e The warranty does not apply to an ETDAQD that has been previously repaired altered extended by any other company or individual outside the premises of Eagle Technology e That a qualified person configure and install the ETDAQD and damages caused to a device during installation shall make the warranty void and null e The warranty will not apply to conditions where the ETDAQD has been operated in a manner exceeding its specifications Eagle Technology South Africa does not take responsibility or liability of consequential damages project delays damaging of equipment or capital loss as a result of its products Eagle Technology South Africa holds the option and final decision to repair or replace any ETDAQD Proof of purchase must be supplied when requesting a repair Eagle Technology Copyright 2001 2002 www eagle co za ii PCI 773 User Manual Eagle Technology Data Acquisition TABLE OF CONTENTS Features Applications Key Specifications Software Support Contact Details 2 INSTALLATION Package Operating System Support Hardware Installation Software Installation Windows 98 2000 ME Post installation Windows NT gt le le Laz L LP ar mmg o Laz LP O k 3 INTERCONNECTIONS xternal Connectors PCI773T16 and PCI773R16 ay _ onnector Pin Assignments PCI773 ke p p lt _ be ke Signal Definitions Analog Input Connections
9. PCI 773 Series PCI PnP Analog Board User s Manual PCI7731T16 PCI773R16 Eagle Technology Cape Town South Africa Copyright 2001 2002 www eagle co za PCI 773 User Manual Eagle Technology Data Acquisition Analog Boards Data Acquisition and Process Control Eagle Technology 31 35 Hout Street e Cape Town s South Africa Phone 27 21 423 4943 e Fax 27 21 424 4637 Email eagle eagle co za Eagle Technology Copyright 2001 2002 www eagle co za i PCI 773 User Manual Eagle Technology Data Acquisition Copyright All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or any means electronic mechanical by photographing recording or otherwise without prior written permission Copyright Eagle Technology South Africa May 2002 Revision 1 5 Information furnished in this manual is believed to be accurate and reliable however no responsibility is assumed for its use or any infringements of patents or other rights of third parties which may result from its use Trademarks and Logos in this manual are the property of their respective owners Product Warranty Eagle Technology South Africa warrants its products from defect in material and workmanship from confirmed date of purchase for a period of one year if the conditions listed below are met The product warranty will call the Eagle Technology Data Acquisition Device short as ETD
10. V BRDTYPE BRDREV BRDYEAR BRDMONTH BRDDAY BRDSERIALNO DRVMAJ OR DRVMINOR DRVBUILD ADNUMCHAN ADNUMSH ADMAXFREQ ADBUSY ADFIFOSIZE ADFIFOOVER ADBUFFSIZE ADBUFFOVER ADBUFFALLOC ADUNREAD ADEXTCLK ADEXTTRIG ADBURST ADRANGE DANUMCHAN DAMAXFREQ DABUSY DAFIFOSZ CTNUM CTBUSY DIONUMPORT DIOQRYPORT DIOPORTWIDTH INTNUMSRC INTSTATUS INTBUSCONNECT INTISAVAILABLE INTNUMTRIG Value Peru RB WNP NO KA KA KA O Ln E WN KA N m Description Query EDRE API major version number Query EDRE API minor version number Query EDRE API build version number Query E DRE API OS type 7 Query number of devices installed Query a board s type 7 Query a board s revision Query a board s manufactured year Query a board s manufactured month Query a board s manufactured day Query a board s serial number 7 Query a driver s major version number Query a driver s minor version number Query a driver s build version number Query number of ADC channel 7 Query number of samples and hold channels Query maximum sampling frequency Check if ADC system is busy Get ADC hardware FIFO size Check for FIFO overrun condition 7 Check software buffer size Check for circular buffer overrun 7 Check if software buffer is allocated Get number of samples available Get status of external clock line PCI30FG Get status of external trigger line PCI30FG Check if burst mode is enabled GetADC range Qu
11. e long tcuv long ambientmc Parameter Description tctype Type Thermocouple used See appendix for details tcuv Voltage read from channel uVolts ambientmc Ambient temperature mille Degrees Return Mille Degrees Celsius Calculating Temperature for RTD API CALL Long EDRE_CalcRTDmC long rtduv ACTIVEX CALL Long EDREADX CalcRTDmC long rtduv Parameter Type Description rtduv Long Voltage read from channel uVolts Return Long Mille Degrees Celsius Eagle Technology Copyright 2001 2002 www eagle co za 16 PCI 773 User Manual Eagle Technology Data Acquisition 5 Calibration Calibrating the PCI773 is simple task EDR Enhanced must be installed and the calibration software Both can be found on the Eagle Technology Software CD Rom lt EAGLECD gt EDRE APPS PCI7O00CAL PCI7O0CAL EXE The latest version will also be available on http www eagledag com Before using the PCI773 data acquisition board in a new computer it is very important that the voltage offset levels is recalibrated Calibration of the gain levels is not necessary Requirements 1 1x PCI773 with cable and adaptor 2 Installed software 3 High accuracy calibration source 4 Digital Thermometer Calibrating the PCI 773 with the RTD adaptor 1 Calibration is done on all the channels The recommended connector wiring is to connect all the channels RTD inputs together and all the RTD inputs together 1i All cables should be as s
12. eous configurable entities Thus in the case of the PCI773 each port is only 16 bit wide The PCI773 has got two ports the one can only be used as an input and the other as an output only Reading the Digital Inputs A single call is necessary to read a digital I O port API CALL Long EDRE_DioRead ulng Sn ulng Port ulng Value The serial number port and a pointer to variable to hold the result must be passed by the calling function A return code will indicate if any errors occurred ACTIVEX CALL Long EDREDioX Read long Port Only the port number needs to be passed and the returned value will either hold an error or the value read If the value is negative an error did occur Writing to the Digital Outputs A single call is necessary to write to a digital I O port API CALL Long EDRE_DioWrite ulIng Sn ulng Port ulng Value The serial number port and a value must be passed by the calling function A return code will indicate if any errors occurred ACTIVEX CALL Long EDREDioX Write long Por ulng Value The port number and value to be written needs to be passed and the returned value holds an error or the value read If the value is negative an error did occur Eagle Technology Copyright 2001 2002 www eagle co za 14 PCI 773 User Manual Eagle Technology Data Acquisition Analog Input The PCI773 has got 16 differential analog inputs that can be configured for a number of gain settings Using different gain set
13. ery number of DAC channels 7 Query maximum DAC output frequency Check if DAC system is busy 7 Get DAC FIFO size Query number of counter timer channels Check if counter timer system is busy Query number of digital I O ports Query a specific port for capabilities 7 Geta specific port s width Query number of interrupts sources Queries interrupt system s status Connect interrupt system to bus 7 Check if an interrupt is available Check number times interrupted Eagle Technology Copyright 2001 2002 www eagle co za 21 PCI 773 User Manual Error Codes EDRE OK EDRE FAIL EDRE BAD FN EDRE BAD SN EDRE BAD DEVICE EDRE BAD OS EDRE EVENT FAILED EDRE EVENT TIMEOUT EDRE INT SET EDRE DA BAD RANGE EDRE AD BAD CHANLIST EDRE BAD FREQUECY EDRE BAD BUFFER SIZE EDRE BAD PORT EDRE BAD PARAMETER EDRE BUSY EDRE 10 FAIL EDRE BAD ADGAIN EDRE BAD QUERY EDRE BAD CHAN EDRE BAD VALUE EDRE BAD CT EDRE BAD CHANLIST EDRE BAD CONFIG EDRE BAD MODE EDRE_HW ERROR EDRE HW BUSY EDRE BAD BUFFER EDRE REG ERROR EDRE OUT RES EDRE 10 PENDING Lada Jad n K da 04 d Eagle Technology Data Acquisition Description Function successfully Function call failed Invalid function call Invalid serial number Invalid device Function not supported by operating system Wait on event failed Event timed out Interrupt in use DAC value out of range Channel list size out of range Frequency ou
14. hort as possible 111 The H2 header should be set to the CAL position iv You can now start the calibration software PCIZ00CCAL EXE v When setting Step 1 you need to supply OVolts to the CAL inputs on CON2 vi Step 2 Step 17 is setting the offset values of the 16 channels You should supply in OVolt signal the all of these inputs Vil Then hardware gain step is not done with the RTD adaptor Vill With Step 19 you need to set the H2 header to CJC position Now set the CJC VR pot so that the reading on the screen is the same as the ambient temperature ix SAVE SETTINGS X Calibrating the ADAPTOR Xi If you are using PT100 set H3 to 10mA position and for PT1000 to the ImA position xii Connect a 100 ohm 0 1 resistor to the RTD adaptor as shown below to channel 0 xiii Set the REF RV2 pot so that you measure 1000mVolts at across the of channel 0 XIV Great you re done Eagle Technology Copyright 2001 2002 www eagle co za 17 PCI 773 User Manual Eagle Technology Data Acquisition Configuring the RID Card FOR PI1 RTD S SET JUMPER TO 1 mA FOR PT1000 RTID S SET JUMPER TO 1mA REP RTD RID ep BEF 2 WIRE SYSTEM BEAR JUNCTION 2 CORE CABLE AWAY SCREW TERMINAL 5 WIRE SYSTEM REE O c
15. listed and working properly See picture below i Desie Manager agen vow gt Gi 9 Ml Computer T CS Dick craves Mf Display adapters 28 CADSCO ROM drives lt Eagle Data Acquisition gt Pania AID Board Sy Floppy disk controllers laa Floppy dak dieg T R IDE ATO AT API controles T GR Kev ds Mice and other pointing devices BD Hath adapters Ports COA S LET Syahem denies E e Clearly you can see that the PCI device is listed and working properly e Further open the control panel and then the EagleDAQ folder This dialog should list all installed hardware Verify your board s properties on this dialog See picture below Eagle Technology Copyright 2001 2002 www eagle co za 8 PCI 773 User Manual Eagle Technology Data Acquisition EDRE DAQ Board Configuration amp Information l x EDR Enhanced Software Development Kit Eagle Technology Copyright c 1994 2000 Cape Town South Africa itp uaa eagle co za emal eagle Meagle co za Emau Jermo pni EDRE AFI Information EDRE AFI Version 3 1 dd Opening System windows 2000 WOM Installed Boards Board Information Para 16th AyD 2n bA Board Type Bp Driver version fg 0000 Manufactured On 5 6 2001 Revision 100000001 Now the first part of your installation has been completed and ready to install the EDR Enhanced Software Development Kit e
16. ocate driver files and complete the Installation click N evt what do vou want the wizard to do Search for a suitable driver for my device recommended f Display a list of the known drivers for this device so that can choose a specific driwer c Back Cancel Select Search for a suitable driver for my device and select next Found New Hardware Wizard Locate Driver Files Where do you want Windows to search for driver files Search for driver files for the following hardware device op PCI Device The wizard searches for suitable drivers in its diver database on your computer and in any of the following optional search locations that you specify To start the search click Next IF you are searching on a floppy disk or CO AOM drive Insert the floppy disk or CO before clicking Next Uptional search locations Floppy disk drives CD ROM drives I Specify a location Microsoft Windows Update Back Cancel Make sure only Specify a location is selected and select next Eagle Technology Copyright 2001 2002 www eagle co za 5 PCI 773 User Manual Eagle Technology Data Acquisition Locate File 7 x J inf Look in S Pci O3 inf History hy D ocuments Mu Computer E Ac E File name Pci703 int Mu Network F Files of type Setup Information inf lt l Cancel Select the browse button and search for the PCI773 inf file on the Eagle CD Rom
17. rivers for many operating systems and a common application program interface API The API also serves as a hardware abstraction layer HAL between the control application and the hardware The EDRE API makes it possible to write an application that can be used on all hardware with common sub systems The PCI773 can also be programmed at register level but it is not recommended A detailed knowledge of the PCI773 is needed and some knowledge about programming Plug and Play PCI devices We recommend that you only make use of the software provided by Eagle Technology EDR Enhanced API The EDR Enhanced SDK comes with both ActiveX controls and a Windows DLL API Examples are provided in many different languages and serve as tutorials EDRE is also supplied with a software manual and user s guide The EDRE API hides the complexity of the hardware and makes it really easy to program the PCI773 It has got functions for each basic sub system and is real easy to learn Figure 4 A EDR Enhanced Design Eagle Technology Copyright 2001 2002 www eagle co za 13 PCI 773 User Manual Eagle Technology Data Acquisition Digital Inputs Outputs The PCI773 has got 16 digital input and 16 digital output lines that can all be used for digital control purposes The EDRE API supports auto direction configuration By writing to or reading from a port it is automatically configured as an output or input A port is defined as a collection of simultan
18. s 16 digital input and 16 output ports and 16 differential inputs The PCI773 has only got one range setting witch is controlled by hardware The range is calculated and set when manufactured This gain was designed to give you the optimal accuracy for the application it is to be used for Features The PCI773 does have some very unique features and are short listed below 32 bit PCI bus Revision 2 2 compliant at 33MHz PCI Bus 3 3V or 5V slot compatible Fully individually programmable analog in channels Fully programmable digital input channels Fully programmable digital output channels Applications The PCI773 can be used in the following applications e Temperature measurements logging Key Specifications e Analogue resolution is 14 bit e 2 5V full scale deviation 10 KHz maximum sampling rate e 16 digital inputs 74HCT373 compatible e 16 digital outputs 74HCT374 compatible Software Support The PCI773 is supported by EDR Enhanced and comes with an extensive range of examples The software will help you to get your hardware going very quickly It also makes it easy to develop complicated control applications quickly All operating system drivers utility and test software are supplied on the Eagle Technology CD Rom The latest drivers can also be downloaded from the Eagle Technology website For further support information see the Contact Details section Eagle Technology Copyright 2001 2002 www eagle co za
19. shown denotes the incorporation of thermocouple grade conductors where relevant leg Nickel Aluminium magnetic Copper Nickel Copper Nickel Copper Nickel pe mc G w e These color codes normally relate only to the compensating cable for use with the appropriate thermocouple conductor combination type code Eagle Technology Copyright 2001 2002 www eagle co za 23 PCI 773 User Manual Eagle Technology Data Acquisition C Layout Diagram w8 zin eeu L Gian ae ee oe EEI H zI _ 0008 Heth 0000 B s ba 5 Bee 22 Ba ESEESE BI Ba See ee 8 AA PE A AA mr A AA me be hd ea ahai NO SS See S g Boe BB BEB FE Sod 55 BS Eagle Technology Copyright 2001 2002 www eagle co za 24 PCI 773 User Manual Eagle Technology Data Acquisition D Ordering Information For ordering information please contact Eagle Technology directly or visit our website ww eaqle co za They can also be emailed at gagle eagle co za Description Table D 1 Ordering Information Please visit our website to have a look at our wide variety of data acquisition products and accessories Eagle Technology Copyright 2001 2002 www eagle co za 25
20. t of range Data passed by buffer incorrectly sized Port value out of range Invalid parameter value specified System busy lO call failed ADC gain out of range Query value not supported Channel number out of range Configuration value specified out of range Counter timer channel out of range Channel list invalid Configuration invalid Mode not valid Hardware error occurred Hardware busy Buffer invalid Registry error occurred Out of resources Waiting on I O completion Analog Input Gain Codes PCI773 T R 16 ENTS GAIN 1 00 SET BY HARDWARE default 30 0 ThermoCouple Type Codes Thermocouple Type Description Gain of 1 2 5V Gain of 30 70mV Eagle Technology Copyright 2001 2002 www eagle co za 22 Code PCI 773 User Manual Eagle Technology Data Acquisition Color codes for thermocouples THERMOCOUPLE Codes Conductor Combinations amp National color coding for Insulation of Thermocouple and Extension cable Conductor Combinations leg Nickel Chromium Copper Copper lron magnetic Nickel Chromium Platinum 13 Rhodium Platinum Platinum 10 Rhodium Platinum Platinum 30 Rhodium Platinum 6 Rhodium Copper Note British American German French Japanese Cote Se e EF e Ee e e eee AE EE e EC ESF ge gt Ee tt With reference to ANSI MC96 1 color coding it is noted that a brown overall sheath color relacing that
21. ting will give you a higher degree of accuracy Reading a single voltage from a channel To read a single ADC channel you need to know the voltage range and gain API CALL Long EDRE_ADSingle ulng Sn ulng Channel ulng Gain ulng Range plong uVoltage Parameter Description Sn Unsigned long Board s serial number Channel Unsigned long ADC Channel Gain Unsigned long NOT USED Range Unsigned long NOT USED uVoltage Pointer to a long Voltage read from channel Return Long Error Code ACTIVEX CALL Long EDREADX SingleRead long Channel Parameter Type Description Channel Long ADC Channel Return Long Voltage returned from channel Make sure to set the Gain properties of the ADC ActiveX control This will in turn set the gain when reading the ADC channel Temperature Calculation To calculate the temperature for thermocouple probes you need to read the ambient temperature for the CJCTemp channel and convert it to temperature Converting CJCTemp API CALL Long EDRE_CalcCJCmC long cjcuv ACTIVEX CALL Long EDREADX CalcCJCmC long cjcuv Parameter Type Description cjcuv Long CJ CTemp channel uVolts Return Long Mille Degrees Celsius Eagle Technology Copyright 2001 2002 www eagle co za 15 PCI 773 User Manual Eagle Technology Data Acquisition Calculating Temperature for Thermocouples API CALL Long EDRE_CalcTCmC long tctype long tcuv long ambientmc ACTIVEX CALL Long EDREADX CalcTCmC long tctyp
22. tion that can be mounted on your PC case like a PCI card Application modules include the PC73C Adaptors would be the ADPT3740 Eagle Technology Copyright 2001 2002 www eagle co za 10 PCI 773 User Manual Eagle Technology Data Acquisition Connector Pin Assignments PCI773 AGND CH8 12VFUSED CH7 CI CTEMP CH6 CH15 CH5 CH14 CH4 CH13 CH3 CH12 CH2 CH11 CH1 CH10 CHO CH9 12VFUSED N e 3 4 5 6 7 8 9 1 5VFUSED DGND AVE USE U Table 3 2 Pinouts for PCI773 Internal Connector DB37 Signal Definitions This sections deal with all the signals abbreviations Description CHO 15 Analog inputs positive CH0 15 Analog input negative AGND Analog ground DI O 0 15 Digital inputs outputs 12VFUSED Power output 5VFUSED P ower output DGND Digital Ground Table 3 2 Signal definitions Eagle Technology Copyright 2001 2002 www eagle co za 11 PCI 773 User Manual Eagle Technology Data Acquisition Analog Input Connections WARNING All unused analog inputs must be connected to analog ground The analog input system of the PCI773 can be damaged or become unstable when scanning channels that is left floating Eagle Technology Copyright 2001 2002 www eagle co za 12 PCI 773 User Manual Eagle Technology Data Acquisition 4 Programming Guide The PCI773 is supplied with a complete software development kit EDR Enhanced EDHE SDK comes with d
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