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PMD-1024HLS Personal Measurement Device™ brand USB-based Digit al I/O Module User's Guide Document Revision 4, May, 2005 © Copyright 2005, Measurement Com puting Corporation™.
Your new Measurement Computing produc t comes with a fantastic extra — Management committed to your satisfaction! Refer to www.mccdaq.com/execteam.html for the names, titles, an d contact information of each ke y executive at Measurement Computing.
Trademark and Copyright Information Personal Measurement De vice brand, TracerDAQ, Universal Library, Insta Cal, Harsh Environment Warranty, Measurement Computing Corporation, a nd th e Measurement Computi ng logo, are either tr ademarks or registered trademarks of Measurem ent Computing Corporation.
Table of Contents About this U ser's Gu ide ....................................................................................................................... v What you will learn from this user's guide ................................
Preface About this User's Guide What you will learn from this user's guide This user's guide explain s how to inst all, confi g ure, a nd use the PM D-1024HLS so that you get the m ost out of its USB digital I/O features.
Chapter 1 Introducing the PMD-1024HLS This user's guide contain s all of the i nformation you need t o connect the P MD-1024HLS to your computer and to th e signals you want to measure. The PMD-1024HLS is part of th e Personal Measurement Device brand of USB-based data acquisition products.
PMD-1024HLS User's Guide Introducing the PMD-1024HLS PMD-1024HLS block diagram PMD-1024HLS functions are illustrated in the block diagra m shown here.
PMD-1024HLS User's Guide Introducing the PMD-1024HLS Connecting a PMD-1024HLS to your computer is easy Installing a data acquisition device has never been easier. The PMD-1024HLS relies upon the Mi crosoft Huma n Interface Device (H ID) class driv ers.
Chapter 2 Installing the PMD-1024HLS What comes with your PMD-1024HLS shipment? As you unpack y our PMD-1024HLS , make sure that the fol lowing component s are included.
PMD-1024HLS User's Guide Installing the PMD-1024HLS Documentation In addition to this hard ware user's guide, you shoul d also receive the DAQ Software Qui ck Start (available in PDF at www.mccdaq.com/PDFmanuals/D AQ-Software -Quick-Start.pd f ).
PMD-1024HLS User's Guide Installing the PMD-1024HLS When you connect the PMD-1 024HLS for the first tim e, a Found New Hardware popup balloon (Windows XP) or dialog (o ther Windows versions) appear as the PMD-1024 HLS is detected.
Chapter 3 Functional Details External components The PMD-1024HLS has the following external componen ts, as shown in Figure 3-1. USB connector LED Screw terminal ba nks (2) Screw terminal pins 1 to 20 LED Screw terminal pins 21 to 40 USB connector/cable Figure 3-1.
PMD-1024HLS User's Guide Functional Details Screw termi nal wiring The PMD-1024HLS has two row s of screw terminals—one row on th e top edge of the housing , and one row on the bottom edge. Each row has 2 0 connections . Pin numbers are id entified he re.
PMD-1024HLS User's Guide Functional Details 20 CTR 19 GND 18 GND 17 GND 16 GND 15 14 USB + 5 V 13 12 GND 1 1 Port C Pull-up / Pull -down 10 USB + 5 V 9G N D 8P o r t C 7 Port A Pull-up / Pull-d o.
PMD-1024HLS User's Guide Functional Details Port A0 +GND +5 V Figure 3-4. Schematic showing s w itch detection by digital channel P ort A0 For more information on digital signal connections For m.
PMD-1024HLS User's Guide Functional Details If you want to sink t he maxim u m of 64 mA per DIO line, you can onl y do so wi th up to six l ines (440 mA ÷ 64 mA/line = 6.8 ≈ 6 lines ). To sink cu rrent with all 24 DI O outputs at any one t ime, you ca n sink a max imum o f 18 mA per line .
PMD-1024HLS User's Guide Functional Details To configure a pull-down connection for a specific port, wire the pull-up/pull-down terminal to a GND terminal. Figure 3-6. Pull-do w n c onnection for Port A Wiring schematics are shown here for each pull-up/p ull-down term inal.
Chapter 4 Specifications Typical for 25 °C unless othe rw ise specified. Specifications in italic text are guaranteed by design. Digital input/output Table 4-1.
PMD-1024HLS User's Guide Specifications Counter section Table 4-2. Counter specifications Pin name (Note 4) CTR Counter type Event counter Number of channels 1 Input source CTR screw terminal Res.
PMD-1024HLS User's Guide Specifications General Table 4-4. General specifications Parameter Conditions Specification 25 °C ±30 ppm max USB controller clock error 0 to 70 °C ±50 ppm max Device type USB 1.1 low-speed Device compatib ility USB 1.
Declaration of Conformity Manufacturer: Measurement Computing Corporation Address: 16 Commerce Boul evard Middlebor o, MA 02346 USA Category: Electrical equipment for m ea s urem ent, control and laborat ory use.
Measurement Computing Cor poration 16 Commerce Boulevard, Middleboro, Massachusetts 02346 (508) 946-5100 Fax: (508) 946-9500 E-mail: info@mccdaq.com www.
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