Advantech PCI-1720U Manual do Utilizador

PCI-1720U4-channel Isolated D/A Output Card with Universal PCI BusUser Manual

PCI-1720U User Manual 4Environment• Operating Temperature: 0 ~ 60° C (32 ~ 140° F)• Storage Temperature: -20 ~ 70° C (-4 ~ 158° F)• Operating Humid

2CHAPTER 2Installation

PCI-1720U User Manual 6Chapter 2 Installation2.1 Initial InspectionBefore installing PCI-1720U, check the card for visible damage. The card has been

7 Chapter 2 2.3 Installation InstructionsThe PCI-1720U can be installed in any PCI slot in the computer. How-ever, refer to the computer user'

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2CHAPTER 3Jumpers and I/O Connectors

PCI-1720U User Manual 10Chapter 3 Jumpers and I/O ConnectorsThe PCI-1720U is a Plug & Play compatible card, i.e. the system BIOS assigns the syst

11 Chapter 3 3.1.2 Jumper JP5 Setting for the Reset StateJumper JP5 gives the PCI-1720U a new and valuable capability. With JP5 enabled, the PCI-172

PCI-1720U User Manual 123.2 Connector and Pin AssignmentsThe PCI-1720U uses one DB-37 female connector, which is located on the card at CN1 (see Figu

13 Chapter 3 3.2.1 Signal Descriptions of I/O ConnectorSignal Name Reference Direction DescriptionVOUT<0...3> AGND Output Analog Voltage Output

PCI-1720U User Manual iiCopyrightThis documentation and the software included with this product are copyrighted 2004 by Advantech Co., Ltd. All rights

PCI-1720U User Manual 143.3 Setting the BoardID Switch (SW1)BoardID settings (0x20) are used to get the board’s unique identifier. The PCI-1720U has

15 Chapter 3 3.3.1 Identity RegisterYou can determine the identity in the register as shown in the table below.Note:ID0: The least significant bit (L

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2CHAPTER 4Register Structure and Format

PCI-1720U User Manual 18Chapter 4 Register Structure and Format4.1 OverviewPCI-1720U is delivered with an easy-to-use 32-bit DLL driver for user pro

19 Chapter 4 4.2 I/O Port Address MapPCI-1720U requires 12 addresses in the PC’s I/O space. The address of each register is specified as an offset

PCI-1720U User Manual 204.2.1 D/A Output Channel 0 to 3The write-only registers of BASE + 2(n) and BASE + (2(n) + 1) accept data for D/A output channe

21 Chapter 4 4.2.3 Synchronized Output Prompt RegisterDuring normal operation, the PCI-1720U will accept digital values one at a time from the host P

PCI-1720U User Manual 224.3 Unipolar and Bipolar Binary Code TablesTable 4.6: Unipolar Binary Code TableDigital Input Code Examples of Analog Output

2CHAPTER 5Signal Connections

iiiProduct Warranty (2 years)Advantech warrants to you, the original purchaser, that each of its prod-ucts will be free from defects in materials and

PCI-1720U User Manual 24Chapter 5 Signal Connections5.1 OverviewMaking correct signal corrections is important for accurate data transmis-sions. Si

25 Chapter 5 Figure 5.2: Grounded-load Connection for D/A Voltage OutputFigure 5.3: Differential-load Connection for D/A Voltage OutputD/AInternal Si

PCI-1720U User Manual 265.3 Current Sink ConnectionsThe PCI-1720U's current loop output uses a 0 to +5 V (unipolar) voltage output as each chann

27 Chapter 5 Figure 5.6: Floating-load Conn. with an Internal +12 VDC Power Supply5.4 Current Sink Load and Power Supply You have to select the curr

PCI-1720U User Manual 28where VS: Power supply voltage of current sink.RL: Load of current sink.PD: Power dissipation of FET.When you determine VS and

2 APPENDIX ACalibration

PCI-1720U User Manual 30Appendix A CalibrationA.1 OverviewThe PCI-1720U card uses eight variable resistors (VRs), two for each channel, which allow

31 Appendix A A.2 Unipolar Output Calibration1. Select an appropriate output range for the channel to be calibrated.2. Set all digital input codes

PCI-1720U User Manual 32A.4 Current Sink Calibration1. Select the 0 ~ +5 V (unipolar) output range for the channel to be calibrated.2. Set all digi

PCI-1720U User Manual ivCE NotificationPCI-1720U has passed the CE test for environmental specifications when shielded cables are used for external wi

v Table of ContentsContentsChapter 1 General Information ... 21.1 Introduction ...

PCI-1720U User Manual viTable 4.3: Register for D/A Voltage Range and Polarity ... 20Table 4.4: Output Range of D/A Channel n ...

2CHAPTER 1General Information

PCI-1720U User Manual 2Chapter 1 General Information1.1 IntroductionPCI-1720U is an isolated digital-to-analog output card for the Universal PCI bus

3 Chapter 1 1.3 Applications• Process control• Programmable voltage source• Programmable current sink• Servo control 1.4 SpecificationsD/A Outp