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Measurement Computing PCI-DAS6034 User Manual

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PCI-DAS6034
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PCI-DAS6035
User's Guide
Revision 4, April, 2002
© Copyright 2002, Measurement Computing Corporation

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Summary of Contents for Measurement Computing PCI-DAS6034

  • Page 1 PCI-DAS6034 PCI-DAS6035 User’s Guide Revision 4, April, 2002 © Copyright 2002, Measurement Computing Corporation...
  • Page 2 30 DAY MONEY-BACK GUARANTEE Any Measurement Computing Corp. product may be returned within 30 days of purchase for a full refund of the price paid for the product being returned. If you are not satisfied, or chose the wrong product by mistake, you do not have to keep it.
  • Page 3 Lifetime ™ Any product manufactured by Measurement Computing Corp. that is damaged (even due to misuse) may be replaced for only 50% of the current list price. I/O boards face some tough operating conditionssome more severe than the boards are designed to withstand.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1 Introduction ................1–1 General Description ................1–1 Software....................1–1 2 Installation ................2–1 Unpacking ....................2–1 Software Installation ................2–1 Hardware Installation ................2–1 Hardware Configuration................2–2 2.4.1 Differential Input Mode..............2–2 2.4.2 Single-Ended Input Mode ............... 2–2 2.4.3 Non-referenced Single-Ended Input Mode ........
  • Page 6 4.4.1 CTR1 CLK Signal ................4–14 4.4.2 CTR1 GATE Signal ...............4–14 4.4.3 CTR1 OUT Signal................4–15 4.4.4 CTR2 CLK Signal ................4–15 4.4.5 CTR2 GATE Signal ...............4–16 4.4.6 CTR2 OUT Signal................4–16 5 Calibration................5–1 Introduction....................5–1 Calibration Theory ...................5–1 6 Specifications ................. 6–1...

  • Page 7: Introduction

    1 Introduction General Description This manual describes the PCI-DAS6035 and the PCI-DAS6034. The two versions differ only in that the PCI-DAS6035 has two digital-to-analog outputs, and the PCI-DAS6034 has none. Both versions provide up to sixteen analog inputs. Each input can be individually configured as single-ended or differential.

  • Page 9: Installation

    PCI-DAS6034 & PCI-DAS6035 User's Guide Installation 2 Installation Unpacking CAUTION Your board is shipped in an anti-static container to prevent damage to the board by an electrostatic discharge. To avoid such damage, handle the board in the following manner: Before opening the anti-static container, ground yourself with a wrist grounding strap or by holding onto a grounded object.

  • Page 10: Hardware Configuration

    PCI-DAS6034 & PCI-DAS6035 User's Guide Installation We recommend that you allow your computer to warm up for at least 15 minutes before acquiring data with the PCI-DAS6035/6034 series boards. The high speed components used on the board generate heat and it takes this amount of time for the board to reach steady state if it has been powered off for a significant amount of time.

  • Page 11: Daq-Sync Configuration

    PCI-DAS6034 & PCI-DAS6035 User's Guide Installation common reference signal (AISENSE). The input signal is delivered through three wires. The wire carrying the signal to be measured connects to CH# IN HI, the wire carrying the reference signal connects to AISENSE and the third wire is connected to LLGND. This mode is useful when the application calls for differential input mode but the limitation on channel count prevents it.

  • Page 12: I/O Connectors

    PCI-DAS6034 & PCI-DAS6035 User's Guide Installation I/O Connectors 2.5.1 Connectors, Cables – Main I/O Connector Table 2-1 lists the board connectors, applicable cables and compatible accessory boards. Table 2-1. Board Connectors, Cables, Accessory Equipment Connector type Shielded SCSI 100 D-Type Compatible Cables C100HD50-x, unshielded ribbon cable;...

  • Page 13: Pinout - Main I/O Connector

    PCI-DAS6034 & PCI-DAS6035 User's Guide Installation 2.5.2 Pinout – Main Signal Name Signal Name LLGND I/O Connector CH0 IN HI CH0 IN LO CH1 IN HI Table 2-2. CH1 IN LO CH2 IN HI 8-Channel Differential Mode CH2 IN LO...
  • Page 14 PCI-DAS6034 & PCI-DAS6035 User's Guide Installation Signal Name Signal Name LLGND Table 2-3. CH0 IN CH8 IN 16 Channel Single-Ended CH1 IN Mode CH9 IN CH2 IN CH10 IN CH3 IN CH11 IN * = n/c on PCI-DAS6034 CH4 IN...

  • Page 15: Daq-Sync Connector And Pin Out

    PCI-DAS6034 & PCI-DAS6035 User's Guide Installation 2.5.3 DAQ-Sync Connector and Pin Out Table 2-4. DAQ-Sync Connector & Cable Types Connector type 14-Pin right-angle 100mil box header Compatible Cables MCC p/n: CDS-14-x, 14 pin ribbon cable for board-to board DAQ-Sync connection; x = number of boards (2 –...

  • Page 17: Programming And Applications

    Programming Languages Measurement Computing’s Universal Library™ provides access to board functions from a variety of Windows programming languages. If you are planning to write programs, or would like to run the example programs for Visual Basic or any other language, please refer to the Universal Library manual (available on our web site at http://www.measurementcomputing.com/PDFmanuals/sm-ul-user-guide.pdf).
  • Page 18 PCI-DAS6034 & PCI-DAS6035 User's Guide Programming and Applications must use register level programming in your application, additional information may be found at http://www.measurementcomputing.com/registermaps/registers.htm. 3–2...

  • Page 19: Functional Description

    Functional Description 4 Functional Description Introduction Figure 4-1 is a simplified block diagram of the PCI-DAS6035 and PCI-DAS6034. The PCI- DAS6035 provides all the functional elements shown in the figure. The PCI-DAS6034 does not provide D/A outputs. Except for this difference, the two boards are identical in all other respects.
  • Page 20 PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description Table 4-1. Auxiliary I/O Signals I/O Type Signal Name Function AUXIN<5:0> A/D CONVERT External ADC convert strobe (default) Sources A/D EXT. TIMEBASE IN External ADC pacer time base (SW selectable) A/D START TRIGGER...

  • Page 21: Daq-Sync

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.1.3 DAQ-Sync The DAQ-Sync hardware provides the capability of triggering or clocking up to four slave boards from a master board to synchronize data input and / or output. The PCI-DAS6035/6034 boards provide the capability of inter-board synchronization with other boards in the PCI-DAS6000 family.
  • Page 22 PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description Figure 4-1. Block Diagram – PCI-DAS6035/6034 4–4...

  • Page 23: Daq Signal Timing

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description DAQ Signal Timing The primary DAQ timing signals are: • SCANCLK • SSH • A/D START TRIGGER • A/D STOP TRIGGER • STARTSCAN • A/D CONVERT • A/D PACER GATE 4.2.1 SCANCLK Signal SCANCLK is an output signal that may be used for switching external multiplexers.

  • Page 24: A/D Start Trigger Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.2.2 A/D START TRIGGER Signal Use the A/D START TRIGGER signal for conventional triggering (when you only need to acquire data after a trigger event). Figure 4-3 shows the A/D START TRIGGER signal timing for a conventionally triggered acquisition.

  • Page 25: A/D Stop Trigger Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.2.3 A/D STOP TRIGGER Signal Pre-triggered data acquisition continually acquires data into a circular buffer until a specified number of samples after the trigger event. Figure 4-6 illustrates a typical pre-triggered DAQ sequence.

  • Page 26: Startscan Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description Figure 4-8. A/D STOP TRIGGER Output Signal Timing 4.2.4 STARTSCAN Signal The STARTSCAN output signal indicates when a scan of channels has been initiated. It may be programmed to be available at any of the AUXOUT pins. The STARTSCAN output signal is a 50ns wide pulse the leading edge of which indicates the start of a channel scan.

  • Page 27: A/D Convert Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.2.6 A/D CONVERT Signal The A/D CONVERT signal indicates the start of an A/D conversion. It is available through software selection as an input to any of the AUXIN pins (defaulting to AUXIN0) or the DAQ- Sync “DS A/D CONVERT”...

  • Page 28: A/D External Time Base Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.2.8 A/D EXTERNAL TIME BASE Signal The A/D EXTERNAL TIME BASE signal can serve as the source for the on-board pacer circuit rather than using the 40 MHz internal time base. Any AUXIN pin can be set programmatically as the source for this signal.

  • Page 29: Waveform Generation Timing Connections

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description Waveform Generation Timing Connections There are three signals that control the timing for the analog output functions on the PCI- DAS6035. These are D/A START TRIGGER, D/A UPDATE, and D/A EXTERNAL TIME BASE signals.

  • Page 30: D/A Convert Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.3.2 D/A CONVERT Signal The D/A CONVERT signal causes a single output update on the D/A converters. The DAQ- Sync “DS D/A UPDATE” input or any AUXIN pin can programmed to accept the D/A CONVERT signal.

  • Page 31: General-Purpose Counter Signal Timing

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description Figure 4-18. D/A EXTERNAL TIME BASE Signal Timing General-Purpose Counter Signal Timing The general-purpose counter signals are: • CTR1 CLK • CTR1 GATE • CTR1 OUT • CTR2 CLK • CTR2 GATE • CTR2 OUT.

  • Page 32: Ctr1 Clk Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.4.1 CTR1 CLK Signal The CTR1 CLK signal can serve as the clock source for independent user counter 1. It can be selected through software at the CTR1 CLK pin rather than using the on-board 10 MHz or 100 kHz sources.

  • Page 33: Ctr1 Out Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.4.3 CTR1 OUT Signal This signal is present on the CTR1 OUT pin. The CTR1 OUT signal is the output of one of the two user’s counters in an industry-standard 82C54 chip. For detailed information on counter operations, please refer to the data sheet on our WEB page at http://www.measurementcomputing.com/PDFmanuals/82C54.pdf.

  • Page 34: Ctr2 Gate Signal

    PCI-DAS6034 & PCI-DAS6035 User's Guide Functional Description 4.4.5 CTR2 GATE Signal You can use the CTR2 GATE signal for starting and stopping the counter, saving counter contents, etc. It is polarity programmable and is available at the CTR2 GATE pin. Figure 4- 23 shows the timing requirements for the CTR2 GATE signal Figure 4-23.

  • Page 35: Calibration

    PCI-DAS6034 & PCI-DAS6035 User's Guide Calibration 5 Calibration Introduction We recommend that you calibrate the board (using the InstaCal utility) after the board has fully warmed up. The recommended warm-up time is 15 minutes. For best results, calibrate the board immediately before making critical measurements. The high resolution analog components on the board are somewhat sensitive to temperature.
  • Page 36 PCI-DAS6034 & PCI-DAS6035 User's Guide Calibration A similar method is used to calibrate the analog output components (PCI-DAS6035 only). A trim DAC is used to adjust the gain of the DAC. A separate DAC is used to adjust offset on the final output amplifier.

  • Page 37: Specifications

    PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications 6 Specifications Typical for 25°C unless otherwise specified. Analog Input Section A/D converter Successive-approximation type, min 200 kS/s conversion rate. Resolution 16 bits, 1 in 65536 Number of channels 16 single ended /8 differential, Software selectable Input ranges ±10V, ±5V, ±500mV, ±50mV, Software selectable...
  • Page 38 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Accuracy 200 kS/s sampling rate, single channel operation and a 15-minute warm-up. Accuracies listed are for measurements made following an internal calibration. They are valid for operational temperatures within ±1°C of internal calibration temperature and ±10°C of factory calibration temperature.
  • Page 39 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Settling Time Settling time is defined as the time required for a channel to settle to within a specified accuracy in response to a full-scale (FS) step. Two channels are scanned at the specified rate.
  • Page 40 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Noise Performance Table 4 below summarizes the noise performance for the PCI-DAS6035/6034. Noise distribution is determined by gathering 50K samples with inputs tied to ground at the user connector. Samples are gathered at the maximum specified single-channel-sampling rate.
  • Page 41 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Table 7 – Relative Accuracy Range Relative Accuracy ±10V ±0.3 LSB, typical ±0.5 LSB, max Relative accuracy is defined as the measured deviation from a straight line drawn between measured endpoints of the transfer function.
  • Page 42 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Digital Input / Output Digital Type Discrete, 5V/TTL compatible Number of I/O Configuration 8 bits, independently programmable for input or output. All pins pulled up to +5V via 47K resistors (default). Positions available for pull down to ground.. Hardware selectable via solder gap.
  • Page 43 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Counter Section User counter type 82C54 Number of Channels Resolution 16-bits Compatibility 5V/TTL CTRn base clock source Internal 10MHz, Internal 100KHz or External connector (Software selectable) (CTRn CLK) Internal 10MHz clock source 50ppm stability Counter n Gate Available at connector (CTRn GATE).
  • Page 44 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Configurable AUXIN<5:0>, AUXOUT<2:0> External Trigger/Clocks The PCI-DAS6035/6034 provides nine user-configurable Trigger/Clock pins available at the 100-pin I/O connector. Of these, six are configurable as inputs while three are configurable as outputs. AUXIN<5:0> A/D CONVERT:...
  • Page 45 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications DAQ-Sync inter-board Triggers/Clocks The DAQ-Sync bus provides inter-board triggering and synchronization capability. Five trigger/strobe I/O pins and one clock I/O pin are provided on a 14-pin header. The DAQ- Sync signals use dedicated pins. Only the direction may be set.
  • Page 46 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications DAQ-Sync Connector and Pin Out Connector type 14-Pin right-angle 100mil box header Compatible Cable MCC p/n: CDS-14-x, 14 pin ribbon cable. x = number of boards (2 – 5) Signal Name DS A/D START TRIGGER...
  • Page 47 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Signal Name Signal Name LLGND CH0 IN HI 8 Channel CH0 IN LO Differential Mode CH1 IN HI CH1 IN LO CH2 IN HI CH2 IN LO CH3 IN HI CH3 IN LO CH4 IN HI...
  • Page 48 PCI-DAS6034 & PCI-DAS6035 User's Guide Specifications Signal Name Signal Name LLGND CH0 IN 16 Channel Single- CH8 IN Ended Mode CH1 IN CH9 IN CH2 IN CH10 IN CH3 IN CH11 IN CH4 IN * = n/c on PCI-DAS6034 CH12 IN...
  • Page 49 EC Declaration of Conformity We, Measurement Computing Corporation, declare under sole responsibility that the product PCI-DAS6034 High speed analog/digital I/O board for the PCI bus PCI-DAS6035 Part Number Description to which this declaration relates, meets the essential requirements, is in conformity with, and CE...
  • Page 50 Measurement Computing Corporation 16 Commerce Boulevard, Middleboro, Massachusetts 02346 (508) 946-5100 Fax: (508) 946-9500 E-mail: info@measurementcomputing.com www.measurementcomputing.com...

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