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Manual de instrucciones Omega Engineering EN-EIC-325-PCI

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  • Omega Engineering EN-EIC-325-PCI - page 1

    omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info EN-EIC-325-PCI Four Axis PCI Encoder Inter face Card Shop online at U ser ’ s Guide ...

  • Omega Engineering EN-EIC-325-PCI - page 2

    Servicing Nor th America: U.S.A.: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: U.S.A. and Canad ...

  • Omega Engineering EN-EIC-325-PCI - page 3

    1 FOUR AXIS ENCODER INTERFACE CARD M M M O O O D D D E E E L L L Version 2.01, Oct. 2003 ...

  • Omega Engineering EN-EIC-325-PCI - page 4

    2 TABLE of CONTENTS Section Page 1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 ENCODER INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.1 IPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.2 SOFTWARE OUTPUTS . . . . . . . . . . . . . . . ...

  • Omega Engineering EN-EIC-325-PCI - page 5

    3 1. GENERAL DESCRIPTION • The EN-EIC-325-PCI handles four axes of user's encoders. Each user's encoder is directly attached to the Encoder Interface on the card. • The EN-EIC-325-PCI includes eleven logical inputs, and three general outputs. • The EN-EIC-325-PCI is I/O mapped. 1.1. ENCODER INTERFACE Note: Each of the registers IPC, ...

  • Omega Engineering EN-EIC-325-PCI - page 6

    4 1.1.3. SOFTWARE INPUTS a. Data Request to request an XPC update. For example, upon Data Request on the A axis, the following operation is done: XPC A ⇐ IPC A Notes: 1. Data Request may be applied on a single axis, or (all at once) on: axes pair (A+B or C+D), or all four axes. 2. Besides this software Data Request , there is also a hardware (rea ...

  • Omega Engineering EN-EIC-325-PCI - page 7

    5 2.2. PIN LAY-OUT The drawings of the input/output connections are in Appendix B. Encoder Inputs Function D-Type 44 pin No. Vcc 31 Index+ 17 GND 2 Index– 32 Sine– / Phase A– 18 Sine+ / Phase A+ 3 Cosine+ / Phase B+ 33 Encoder A Cosine– / Phase B– 4 GND 20 Vcc 5 Index+ 35 Sine+ / Phase A+ 21 Index– 6 Sine– / Phase A– 36 Cosine– / ...

  • Omega Engineering EN-EIC-325-PCI - page 8

    6 Logical Inputs Function D-Type 44 pin No. Input #2 16 Input #1 1 Input #3 19 Input #4 34 Input #5 37 Input #11 8 Input #7 26 Input #6 11 Input #8 29 Input #9 44 Input #10 15 GND 30 ENCODERS' EVENT SIGNALS AND GENERAL OUTPUTS Function D-Type 9 pin No. VExt+ 1 Encoder A 6 Encoder B 2 Encoder C 7 Event Signal Encoder D 3 Output #1 8 Output #2 4 ...

  • Omega Engineering EN-EIC-325-PCI - page 9

    7 3. SOFTWARE INTERFACE WITH THE CARD 3.1. INSTALLATION The main files and folders of the software package are as follows: Win95_98 Install.exe WRTdevN.VxD (Ten files: N=0,...,9) ImsEncPci.ocx VB VC WinNT WinRT.sys ImsEic325-PCINT4.reg Win2K EIC325_P.sys ImsEic325-PCIWDM.inf WinXP EIC325_P.sys ImsEic325-PCIWDM.inf OCX for WinNT/2K/XP ImsEncPci.ocx ...

  • Omega Engineering EN-EIC-325-PCI - page 10

    8 The VB folders The VB folders include an illustration program, which is essential for any user, not only the VB programmer. For any environment you are using – refer to the relevant VB folder. Note: If Visual Basic is NOT installed on your computer, then before running the (VB produced) program EncPciTest.exe (recommended), please verify that: ...

  • Omega Engineering EN-EIC-325-PCI - page 11

    9 3.1.1. Windows The various Windows folders supply the files required for the driver installation. The Win95/98 driver includes an ActiveX control. The WinNT/2K/XP drivers include two options: an ActiveX control and a DLL. The DLL uses the popular ‘stdcall’ calling convention recognizable by VB, VC, Delphi etc. The ActiveX control and the DLL ...

  • Omega Engineering EN-EIC-325-PCI - page 12

    10 WinNT/2K/XP • ActiveX Control Copy the .ocx file from your ‘OCX for WinNT_2K_XP’ folder to your WinSysPath folder and register it by Start, Run, 'regsvr32 WinSysPath ImsEncPci.ocx'. • DLL Copy the .dll file from your ‘DLL for WinNT_2K_XP’ folder to your WinSysPath folder. WinSysPath is: ...

  • Omega Engineering EN-EIC-325-PCI - page 13

    11 3.1.2. VB Select the ‘VB’ folder that corresponds to your driver installation (section 3.1.1). You'll find here a full illustration in VB 5.0 (named "EncPciTest") that demonstrates how to use the various functions to communicate with the card. There are two versions: one using the ActiveX control, the other using the DLL. The ...

  • Omega Engineering EN-EIC-325-PCI - page 14

    12 • The display of the Hardware EventFlags Output reflects what SHOULD be in these outputs analyzing the Software EventFlags Outputs as well as user's operations that may affect the Hardware EventFlags Output, as described in section 3.5.4, functions #22 and #24. Actually, the EncPciTest program simulates card's response and concludes ...

  • Omega Engineering EN-EIC-325-PCI - page 15

    13 3.2. INTRODUCTION TO THE FUNCTIONS Each encoders pair is handled by a "chip": Chip #1 includes Encoder Interfaces A and B. Chip #2 includes Encoder Interfaces C and D. The following functions serve the DOS C/C++ programmer as well as the Windows programmer. • The DOS C/C++ programmer should include EncPci.h in his source file, and En ...

  • Omega Engineering EN-EIC-325-PCI - page 16

    14 3.3. CARD LEVEL FUNCTIONS # Brief Description Name Arguments (in C Syntax) Full Description 1 Supply a ‘Card Handle’ to the n-th EN- EIC-325-PCI card (if exists). (First n is 0.) GetCardHandle (long* CardHandle , short CardIndex ) Call this function in loop in your initialization. Start with CardIndex=0 and increment it each iteration. Stop ...

  • Omega Engineering EN-EIC-325-PCI - page 17

    15 # Brief Description Name Arguments (in C Syntax) Full Description 5 Set Active Chip SetActiveChip (long CardHandle , short ChipNumber ) Makes the specified chip active. All the following functions refer to that active chip. 6 Get Active Chip GetActiveChip (long CardHandle , short* ChipNumber ) Gets the current active chip (Chip1 or Chip2). 7 Tes ...

  • Omega Engineering EN-EIC-325-PCI - page 18

    16 3.4.2. I/O # Brief Description Name Arguments (in C Syntax) Full Description 8 Read the inputs of a chip, the EventFlags of its two encoders, and the Voltage Failure. ReadInputs (long CardHandle , short* Inputs , short* EncoderEventFlags ) Reads 5 or 6 chip's logical inputs, the two flags of its EncoderEvents, and, in case of Chip #1, the V ...

  • Omega Engineering EN-EIC-325-PCI - page 19

    17 3.5. ENCODER LEVEL FUNCTIONS 3.5.1. RESOLUTION # Brief Description Name Arguments (in C Syntax) Full Description 10 Set Encoder Resolution SetEncoderResolution (long CardHandle , short EncoderNumber , short ClocksPerCycle ) Selects the appropriate resolution that fits user's encoder. 11 Get Encoder Resolution GetEncoderResolution (long Card ...

  • Omega Engineering EN-EIC-325-PCI - page 20

    18 3.5.2. INDEX # Brief Description Name Arguments (in C Syntax) Full Description 12 Set Index Pulse Polarity SetIndexPulsePolarity (long CardHandle , short EncoderNumber , short Polarity ) Selects the polarity of the index (marker) pulse coming from user's encoder. 13 Get Index Pulse Polarity GetIndexPulsePolarity (long CardHandle , short Enc ...

  • Omega Engineering EN-EIC-325-PCI - page 21

    19 3.5.3. SETPOINT # Brief Description Name Arguments (in C Syntax) Full Description 16 Set Set Point SetSetPoint (long CardHandle , short EncoderNumber , long SetPoint ) Defines the Set Point Register (SPR). Reaching the SPR (i.e., meeting the condition IPC = SPR) may become the trigger of the Event Signal. SetPoint : The desirable SPR. Should con ...

  • Omega Engineering EN-EIC-325-PCI - page 22

    20 3.5.4. EVENT SIGNAL # Brief Description Name Arguments (in C Syntax) Full Description 18 Set Source of Encoder's EventFlag SetEncoderEventFlag Source (long CardHandle , short EncoderNumber , short EventFlagSource ) Selects a condition that becomes the trigger of the Event Signal. Upon meeting this condition, an Event Signal is supplied, bot ...

  • Omega Engineering EN-EIC-325-PCI - page 23

    21 22 Set Hold Mode of Hardware Encoder's EventFlag SetHoldEncoderEvent Flag (long CardHandle , short EncoderNumber , short OnOffMode ) Determines the "hold" characteristic of the hardware Event Signal: OnOffMode : Off: Hardware signal remains "as is" – no holding mechanism. On: Hardware signal is held until running an ex ...

  • Omega Engineering EN-EIC-325-PCI - page 24

    22 3.5.5. POSITION COUNTER # Brief Description Name Arguments (in C Syntax) Full Description 25 Reset (=clear) Position Counter ResetPositionCounter (long CardHandle , short EncoderNumber , short OutputsMirror ) Clears the Internal Position Counter (IPC) of one or two axes. OutputsMirror : This argument is described within the function WriteOutputs ...

  • Omega Engineering EN-EIC-325-PCI - page 25

    23 3.6. ARGUMENTS The constants of the arguments are available as follows: * In VB they are included in the example source file. * In VC they are in the EncPciConst.h file in the VC folder; refer to the ReadMe.txt file. * For DOS C/C++, the arguments, along with the headers of the functions, are in the file CPPEncPci.h. * For other environments, r ...

  • Omega Engineering EN-EIC-325-PCI - page 26

    24 #define TurnOn 1 #define TurnOff 0 // EnabledDisabledMode : #define SetEnabled 1 #define SetDisabled 0 // Polarity: #define ActiveOnHigh 1 #define ActiveOnLow 0 ...

  • Omega Engineering EN-EIC-325-PCI - page 27

    25 APPENDIX A: SPECIFICATION Introduction A half-size PC card. Supports four optical encoders with either Square-wave or Sine output, both linear and rotary types. Directly connected to the encoders and also provides the excitation. Single / Multiple encoder pulses: Interpolation = 1, 2 or 4 (software selectable). Independent operation mode for eac ...

  • Omega Engineering EN-EIC-325-PCI - page 28

    26 I/O Index input per each axis (indicating Marker/Home/Zero). The user may instruct the card to reset its counter and/or generate an "Event Signal" output upon recognizing the index input. 11 Logical Inputs. The inputs are TTL/CMOS compatible Schmidt trigger single ended. Ten of them are general inputs and one is being used for requesti ...

  • Omega Engineering EN-EIC-325-PCI - page 29

    27 Software Method of communication with PCI bus: I/O ports. Software included: An ActiveX control to communicate with the card in Win95/98/NT/2K/XP. For WinNT/2K/XP thereʼs also a DLL option instead of the ActiveX control. A basic example in Visual C and a detailed example in VB. Example and source code on how to communicate with the board under ...

  • Omega Engineering EN-EIC-325-PCI - page 30

    28 APPENDIX B: DRAWINGS Connector Wiring for the Inputs ...

  • Omega Engineering EN-EIC-325-PCI - page 31

    29 Connector Wiring for the Outputs ...

  • Omega Engineering EN-EIC-325-PCI - page 32

    30 APPENDIX C: CARD INSTALLATION ? ? Install your card only after driver installation (section 3.1.1). Win95/98 1. Shut down your PC (i.e., power off). 2. Insert the new card into a free PCI slot. 3. Turn on your PC. 4. During the Windows 95/98 startup, the following window will appear: Add New Hardware Wizard This wizard searches for new drivers f ...

  • Omega Engineering EN-EIC-325-PCI - page 33

    31 9. Click: Next 10. Wizard displays: Unsupported Device. Windows has not installed a driver for this device. This is normal either. Click: Finish WinNT 1. Shut down your PC (i.e., power off). 2. Insert the new card into a free PCI slot. 3. Turn on your PC. ? ? For Win2K/XP instructions please refer to the following pages. ...

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  • Omega Engineering EN-EIC-325-PCI - page 41

    39 APPENDIX D: PRODUCT DEVELOPMENT Main Milestones in Product Development: • Dec. ʼ01: V1.00: Product launching. • Apr. ʼ02: V1.02: Support under WinNT/2K/XP (refer to section 3.1.1 & appendix C). • May ʼ02: V1.03: In addition to the OCX, a DLL is supplied too (WinNT/2K/XP only). • May ʼ03: V2.00: New feature: Option to request a sn ...

  • Omega Engineering EN-EIC-325-PCI - page 42

    W ARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA ’ s W ARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA ’ s custo ...

  • Omega Engineering EN-EIC-325-PCI - page 43

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