Measurement Specialties PMD-1024HLS manual

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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™[...]

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Table of Contents About this U ser's Gu ide ....................................................................................................................... v What you will learn from this user's guide ..................................................................................... ....................v Conventions in this use[...]

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. This user's guide also re fers you to related docum ents available on our we b site, and to technical s uppo[...]

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. The PMD-1024HLS is a USB 2.0 l ow-speed module suppor[...]

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. USB Mi croc ontr olle r 32-b it ev en t co unt er 1 ch anne l USB 2.0 com p liant in ter face Discrete , low- po wer d r iver s Discrete , low- po wer d r iver s 8 Por t B Por t C HI Por t C LO [...]

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. The HID class drivers ship with ever y copy of Windows that is designed to work with USB[...]

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. Hardware  PMD-1024HLS  USB cable (2 meter lengt h) Software The Measurement Compu ting Data Acquisition Software CD contains th e following software:  Insta Cal installati[...]

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 ). Read this booklet completely before installing any software and hardware. Unpacking the PMD-1[...]

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. Another Found New Hardware balloon o r dialog ope n s t hat id entifies the PMD-1024HLS as a USB Human Interface D[...]

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 ex ternal components USB connector The USB connector is on t[...]

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. Figure 3-2. PMD-1024HLS scre w term inal pin numbers Screw terminal – pins 1-20 The s[...]

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 own Po rt B Pull - u p / Pull -down 7P o r t C 6 6P o r t C 5 5P o r t C 4 4P o r t C 3 3P o r t C 2 2P o r t C 1 1P o r t C 0 GND 4 0 GND 3 1 USB +5 V[...]

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 more in formati on on digit al signal co nnections an d digital I/O techniq ues, refer t o the Gui de to Signal Connections (available on o ur web site[...]

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 . Ground terminals The nine ground ( GND ) connection[...]

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. Dotted lines represent a pull- up or pull-down connection. USB +5 [...]

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. Digital I/O specifications Digital input type 74ACT373 Digital output type 74FCT244 Number of I/O 24 (port A0 through port C7) Configuration 2 banks of 8 and 2 banks of 4 or 3 banks of 8 P[...]

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 Resolution 32 bits Schmidt trigger hysteresis 20 mV to 100 mV Input leakage current ±1 µA Maximum input frequency 1 MHz High pulse width 500 ns min Low[...]

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 1.1, USB 2.0 Environmental Table 4-5. Environmental specificatio ns Operating temperature rang e 0 t[...]

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 Corporation declares under sole respo nsibility that the product PMD-1024HLS to which this declaration relates is i[...]

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