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PC-CARD-DAS16/16AO Analog I/O and Digital I/O Board User’s Guide Document Revision 1, April, 2007 © Copyright 2007, Measurement Computing Corporation
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Your new Measurement Computing product comes with a fantastic extra — Management committed to your satisfaction! Refer to www.mccdaq.com/execteam.html for the names, titles, and contact information of each key executive at Measurement Computing. Thank you for choosing a Measurement Computing product—and congratulations! You own the finest, and you can now enjoy the protection of the most comprehensive warranties and unmatched phone tech support. It’s the embodiment of our mission: To pr
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Trademark and Copyright Information TracerDAQ, Universal Library, Harsh Environment Warranty, Measurement Computing Corporation, and the Measurement Computing logo are either trademarks or registered trademarks of Measurement Computing Corporation. Windows, Microsoft, and Visual Studio are either trademarks or registered trademarks of Microsoft Corporation LabVIEW is a trademark of National Instruments. CompactFlash is a registered trademark of SanDisk Corporation. XBee and XBee-PRO are
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Table of Contents Preface About this User's Guide .......................................................................................................................7 What you will learn from this user's guide.........................................................................................................7 Conventions in this user's guide .........................................................................................................................7 Where to find m
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PC-CARD-DAS16/16AO User's Guide Interrupt............................................................................................................................................................22 Counter .............................................................................................................................................................23 Power consumption ..............................................................................................................
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Preface About this User's Guide What you will learn from this user's guide This user's guide explains how to install, configure, and use the PC-CARD-DAS16/16AO so that you get the most out of its analog I/O, digital I/O and counter features. This user's guide also refers you to related documents available on our web site, and to technical support resources. Conventions in this user's guide The following conventions are used in this manual to convey special information: For more informa
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Host Bus Adaptor Chapter 1 Introducing the PC-CARD-DAS16/16AO Overview: PC-CARD-DAS16/16AO features The PC-CARD-DAS16/16AO is a data acquisition and control board for IBM PC compatible computers with PCMCIA type II slots. The PC-CARD-DAS16/16AO provides 16 single-ended or 8 differential analog inputs, 16-bit A/D resolution, two analog outputs, four digital I/O lines, and three 16-bit down counters. The analog input range is fully programmable in one of four bipolar ranges. An on-board pa
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PC-CARD-DAS16/16AO User's Guide Introducing the PC-CARD-DAS16/16AO Software features For information on the features of InstaCal and the other software included with your PC-CARD- DAS16/16AO, refer to the Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf. Check www.mccdaq.com/download.htm for the latest software version. 9
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Chapter 2 Installing the PC-CARD-DAS16/16AO What comes with your PC-CARD-DAS16/16AO shipment? The following items are shipped with the PC-CARD-DAS16/16AO. Hardware PC-CARD-DAS16/16AO Additional documentation In addition to this hardware user's guide, you should also receive the Quick Start Guide (available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf). This booklet supplies a brief description of the software you received with your PC-CARD-DAS16/16AO and informa
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PC-CARD-DAS16/16AO User's Guide Installing the PC-CARD-DAS16/16AO Unpacking the PC-CARD-DAS16/16AO As with any electronic device, you should take care while handling to avoid damage from static electricity. Before removing the PC-CARD-DAS16/16AO from its packaging, ground yourself using a wrist strap or by simply touching the computer chassis or other grounded object to eliminate any stored static charge. If any components are missing or damaged, notify Measurement Computing Corporation imm
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PC-CARD-DAS16/16AO User's Guide Installing the PC-CARD-DAS16/16AO 2. Select the Hardware tab and click on the Device Manager button. 3. Verify that "PCMCIA adapters" is listed in the Device Manager. If you don’t find this entry, or if the properties for the adapter indicate "this device is not working," you need to install or update your PCMCIA adapter drivers. o If the PCMCIA adapter is not listed, use the Add New Hardware Wizard to install PCMCIA support. o If the PCMCIA adapter is list
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PC-CARD-DAS16/16AO User's Guide Installing the PC-CARD-DAS16/16AO Cabling Measurement Computing offers two cables for connecting the PC-CARD-DAS16/16AO to a screw-type terminal board or other signal conditioning interface board: The CPCC-50F-39 cable: 39 inches (990 mm) long; compatible with standard 50-pin screw terminal products. The CPCC-50M-4 cable: four-inch long adapter cable; required when using a C50FF-x series cable. AGND 1 2 CH0 HI CH0 HI 2 1 AGND CH0 LO 3 4 CH1 HI CH1 HI 4 3
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PC-CARD-DAS16/16AO User's Guide Installing the PC-CARD-DAS16/16AO Caution! Do not exceed the input specifications. There are no socketed or user serviceable parts in a PC- CARD-DAS16/16AO. Check the specifications and input voltages before connecting any signals. CPCC-50F-39 49 50 50 Key 1 Dot 1 2 50-pin micro connector. Connect to the I/O connector 50-pin female IDC connector. on the PC-CARD with the dot facing UP. Figure 6. CPCC-50F-39 cable connections Details on the CPCC-50F-39 cab
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PC-CARD-DAS16/16AO User's Guide Installing the PC-CARD-DAS16/16AO C50FF-x The red stripe 2 1 2 1 identifies pin # 1 50 49 50 49 50-pin female 50-pin female IDC connector IDC connector Figure 8. C50FF-x cable Details on the C50FF-x cable are available on our web site at www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=104&pf_id=136. Field wiring and signal termination You can use the following cabling, screw termination, and signal conditioning products with the CPCC-50F-39 cable, or w
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Chapter 3 Programming and Developing Applications After following the installation instructions in Chapter 2, your board should now be installed and ready for use. In general there may be no correspondence among registers for different boards. Software written at the register-level for other models does not function correctly with your board. Programming languages Measurement Computing’s Universal Library provides access to board functions from a variety of Windows programming languages
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Chapter 4 Functional Details Analog input resolution and range The 16-bit A/D converter provides a resolution of 1/65,536 parts of full scale. The smallest reading of full scale (1 part in 65,536) is called a Least Significant Bit (LSB). Four different bipolar ranges are controlled by software: Analog input ranges Bipolar 1 LSB ±10 V 0.000305 V ±5 V 0.000153 V ±2.5 V 0.000076 V ±1.25 V 0.000038 V The input range is controlled by a programmable-gain amplifier. Conversion speed and
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PC-CARD-DAS16/16AO User's Guide Functional Details After a conversion is made, the sample is stored in a 4096-word (sample) FIFO buffer from which it may be retrieved one sample at a time or in blocks via REP-INSW transfers. How does the FIFO size and design affect throughput? The 4096-sample FIFO buffer stores samples from the A/D converter as they are being converted. When a block of samples is ready and when the PC is ready, the FIFO is emptied into system memory. Most FIFO designs empl
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Chapter 5 Specifications Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. Analog input Table 1. Analog input specifications A/D converter type AD976A Resolution 16 bits Number of channels 16 single-ended / 8 differential, software selectable Input ranges ±10 V, ±5 V, ±2.5 V, ±1.25 V, software programmable Internal counter - 82C54 A/D pacing External source - A/D External Pacer, software programmable for rising or (software pr
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PC-CARD-DAS16/16AO User's Guide Specifications Table 3. Calibrated accuracy specifications (Note 1) (Note 1) Range Gain Error Offset Error DLE ILE ±10.00 V ±3 max ±1.5 max -1.0, +1.75 max ±2.0 max ±5.000 V ±3 max ±1.5 max -1.0, +1.75 max ±2.0 max ±2.500 V ±3 max ±1.5 max -1.0, +1.75 max ±2.0 max ±1.250 V ±3 max ±1.5 max -1.0, +1.75 max ±2.0 max Note 1: These are the intrinsic specifications of the ADC. Software calibration may introduce a small additional amount of linearity error
