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Summary of Contents for MC Switch & Sense 8/8
- Page 2 Switch & Sense 8/8 USB-based Isolated Input and Relay Output User's Guide Document Revision 4, June, 2006 © Copyright 2006, Measurement Computing Corporation™...
- Page 3 Your new Measurement Computing product comes with a fantastic extra — Management committed to your satisfaction! 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 provide data acquisition hardware and software that will save time and save money.
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Page 4: Table Of Contents
Table of Contents About this User's Guide ........................v What you will learn from this user's guide ......................v Conventions in this user's guide .........................v Where to find more information .........................v Chapter 1 Introducing the Switch & Sense 8/8 ....................1-1 Overview: Switch & Sense 8/8 features ......................1-1 Switch &... -
Page 5: About This User's Guide
Preface About this User’s Guide What you will learn from this user's guide This user's guide describes the Measurement Computing Switch & Sense 8/8 data acquisition device and lists device specifications. Conventions in this user's guide For more information Text presented in a box signifies additional information related to the subject matter. Caution! Shaded caution statements present information to help you avoid injuring yourself and others, damaging your hardware, or losing your data. -
Page 6: Introducing The Switch & Sense 8/8
Chapter 1 Introducing the Switch & Sense 8/8 Overview: Switch & Sense 8/8 features This user's guide contains all of the information you need to install, configure, and program the Switch & Sense 8/8. The Switch & Sense 8/8 is a USB 1.1 low-speed device used for data acquisition and control. It is designed for USB 1.1 ports, and was tested for full compatibility with both USB 1.1 and USB 2.0 ports. -
Page 7: Switch & Sense 8/8 Block Diagram
Switch & Sense 8/8 User's Guide Introducing the Switch & Sense 8/8 Switch & Sense 8/8 block diagram Switch & Sense 8/8 functions are illustrated in the block diagram shown here. Control Registers Control Controller 9 VDC external power supply (1.5 MBS) Universal Serial Bus HOST... -
Page 8: Connecting A Switch & Sense 8/8 To Your Computer Is Easy
Switch & Sense 8/8 User's Guide Introducing the Switch & Sense 8/8 Connecting a Switch & Sense 8/8 to your computer is easy Installing a data acquisition device has never been easier. The Switch & Sense 8/8 relies upon the Microsoft Human Interface Device (HID) class. The HID class ships with every copy of Windows that is designed to work with USB ports. -
Page 9: Installing The Switch & Sense 8/8
Chapter 2 Installing the Switch & Sense 8/8 What comes with your Switch & Sense 8/8 shipment? The following items are shipped with the Switch & Sense 8/8. Hardware Switch & Sense 8/8 External power supply and cord (CB-PWR-9) – 9 volt, 1 amp DC power supply 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). -
Page 10: Unpacking The Switch & Sense 8/8
Switch & Sense 8/8 User's Guide Installing the Switch & Sense 8/8 Unpacking the Switch & Sense 8/8 As with any electronic device, you should take care while handling to avoid damage from static electricity. Before removing the Switch & Sense 8/8 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. - Page 11 Switch & Sense 8/8 User's Guide Installing the Switch & Sense 8/8 If the STATUS LED turns off If the STATUS LED is lit but then turns off, the computer has lost communication with the Switch & Sense 8/8. To restore communication, disconnect the USB cable from the computer, and then reconnect it. This should restore communication, and the LED should turn back on.
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Page 12: Functional Details
Chapter 3 Functional Details The Switch & Sense 8/8 expands the capabilities of desktop personal computers by providing SPDT relay control and isolated inputs in a plug-and-play package. Screw terminals provide easy field wiring to the three output lines for each of the eight on-board relays (see Figure 3-2 on page 3-2). -
Page 13: External Power Led
Switch & Sense 8/8 User's Guide Functional Details External power LED The LED labeled EXTERNAL POWER lights up when the Switch & Sense 8/8 is connected to an external power source. It uses up to 5 mA of current and cannot be disabled. Status LED The LED labeled STATUS... -
Page 14: Main Connector And Pin Out
Switch & Sense 8/8 User's Guide Functional Details Main connector and pin out Table 3-2. Connector specifications Connector type Screw terminal Wire gauge range 12 AWG to 20 AWG Table 3-3. Screw terminal pin out Signal Name Signal Name IP0A Input 0 terminal A IP4A Input 4 terminal A... -
Page 15: Differential Isolated Digital Input Terminals (Ip0A To Ip7B)
Switch & Sense 8/8 User's Guide Functional Details Relay contact protection circuit for inductive loads If you are using the relays to control inductive loads, place a diode across the load terminals to suppress the kickback voltage. If the diode is not present, the kickback voltage could cause the on-board processor to enter an unstable state. - Page 16 Switch & Sense 8/8 User's Guide Functional Details Figure 3-6 illustrates a simple connection from a +9 V battery to the relay 4 terminals. When the relay is energized, the relay 4 NO terminal connects the battery voltage to the input 4 terminal (IP4B). Figure 3-6.
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Page 17: Specifications
Chapter 4 Specifications Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. USB compliance Device type USB version 1.1 low speed (1.5 Mbs) device Device compatibility USB 1.1, USB 2.0 Power consumption 5 V USB Bus power 20 mA typical , 25 mA max. -
Page 18: Environmental
Switch & Sense 8/8 User's Guide Specifications USB connection Captive pigtail cable USB Type A connector Length 2 meters Environmental Operating temperature range 0 to 70 °C Storage temperature range -40 to 100 °C Humidity 0 to 95% non-condensing Mechanical Card dimensions 165 mm long x 150 mm wide x 20 mm high, 6.5 in. - Page 19 Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton, Massachusetts 02766 (508) 946-5100 Fax: (508) 946-9500 E-mail: info@mccdaq.com www.mccdaq.com...
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