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Summary of Contents for Measurement Computing USB-SSR08
- Page 1 USB-SSR08 USB-based Solid-State 8 I/O Module Interface Device User's Guide October 2018. Rev 7 © Measurement Computing Corporation...
- Page 2 Other product and company names mentioned herein are trademarks or trade names of their respective companies. © 2018 Measurement Computing Corporation. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form by any means, electronic, mechanical, by photocopying, recording, or otherwise without the prior written permission of Measurement Computing Corporation.
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Page 3: Table Of Contents
Relay power-up state switch (S3) ............................13 Main connector and pin out ..........................13 Module status LEDs ............................14 Daisy chaining multiple USB-SSR08 devices ....................14 Power limitations using multiple USB-SSR08 devices ..................15 Voltage drop ..................................15 Mechanical drawings ............................16 Chapter 4 Specifications ............................ - Page 4 USB-SSR08 User's Guide EU Declaration of Conformity, Legacy Hardware ................21...
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Page 5: Preface
Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase. Where to find more information Additional information about the USB-SSR08 is available on our website at www.mccdaq.com. You can also contact Measurement Computing Corporation by phone, fax, or email with specific questions. -
Page 6: Introducing The Usb-Ssr08
The USB-SSR08 is powered by an external 9 V, 1 A regulated power supply that is shipped with the device. The USB-SSR08 is fully compatible with both USB 1.1 and USB 2.0 ports. Revision F and later devices are also compatible with USB 3.0 ports. -
Page 7: Functional Block Diagram
USB-SSR08 User's Guide Introducing the USB-SSR08 Functional block diagram USB-SSR08 functions are illustrated in the block diagram shown here. Figure 1. USB-SSR08 functional block diagram... -
Page 8: Installing The Usb-Ssr08
Contact us immediately if any components are missing or damaged. Installing the software Refer to the MCC DAQ Quick Start and the USB-SSR08 product page on our website for information about the software supported by the USB-SSR08. Install the software before you install your device The driver needed to run the USB-SSR08 is installed with the software. - Page 9 Installing the USB-SSR08 Remove from the enclosure to access the onboard switches To change the configuration of a switch, you must first remove the USB-SSR08 from the enclosure. Turn external power off before changing the switch settings I/O module type Use switch to configure the type of each module group for input or output.
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Page 10: Connecting The External Power Supply
Plug the AC adapter into a power outlet. LED turns on (green) when 9 V power is supplied to the USB-SSR08. If the voltage supply is less than 6.0 V or more than 12.5 V, the PWR LED does not turn on. -
Page 11: Functional Details
Chapter 3 Functional Details Components The USB-SSR08 has the following internal components, as shown in Figure 6. Two (2) USB connectors Two (2) external power connectors PWR LED USB LED I/O module type switch ( ... -
Page 12: Usb In Connector
MCC USB POWER OUT devices from a single external power supply. Depending on your load requirements, daisy-chained devices may require a separate power supply. Refer to Power limitations using multiple USB-SSR08 devices on page 15 for more information. USB LED LED indicates the communication status of the USB-SSR08. -
Page 13: I/O Module Type Switch (S1)
Wire gauge range 12-22 AWG The USB-SSR08 has eight screw terminal pairs to connect external devices to the SSR modules. Two terminals are dedicated to each module (one positive and one negative terminal). Each screw terminal is identified with a... -
Page 14: Module Status Leds
Daisy chained MCC USB Series devices connect to the USB bus through the high-speed hub on the USB-SSR08. You can daisy chain a maximum of four MCC USB Series devices to a single USB 2.0 port or USB 1.1 port on your computer. Use the supplied cable or an equivalent cable when daisy chaining MCC USB Series devices. -
Page 15: Power Limitations Using Multiple Usb-Ssr08 Devices
Power limitations using multiple USB-SSR08 devices When daisy chaining additional MCC USB devices to the USB-SSR08, make that you provide adequate power to each device that you connect. The USB-SSR08 is powered with a 9 VDC nominal, 1.0 A external power supply. -
Page 16: Mechanical Drawings
USB-SSR08 User's Guide Functional Details Mechanical drawings Figure 12. Circuit board (top) and housing dimensions... -
Page 17: Specifications
Chapter 4 Specifications Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. I/O module configuration Table 1. I/O module configuration specifications Parameter Specification Modules 1-4 Selectable with switch S1 in the CL position as either input modules or output (default) modules. -
Page 18: External Power Output
Specifications Note 1: The USB-SSR08 monitors the external +9 V power supply voltage with a voltage supervisory circuit. If this power supply exceeds its specified limit, the PWR LED will turn off, indicating a power fault condition. External power output Table 4. -
Page 19: Environmental
USB-SSR08 User's Guide Specifications Environmental Table 8. Environmental specifications Parameter Specification Operating temperature range 0 to 70 °C Storage temperature range -40 to 85 °C Humidity 0 to 90% non-condensing Main connector Table 9. Connector specifications Parameter Specification Connector type... -
Page 20: Eu Declaration Of Conformity
October 19, 2016, Norton, Massachusetts USA Test Report Number: EMI4221.05 and Addendum Measurement Computing Corporation declares under sole responsibility that the product USB-SSR08, Board Revision F* or later is in conformity with the relevant Union Harmonization Legislation and complies with the essential... - Page 21 Category: Electrical equipment for measurement, control and laboratory use. Measurement Computing Corporation declares under sole responsibility that the product USB-SSR08, Earlier than Revision F* to which this declaration relates is in conformity with the relevant provisions of the following standards or other...
- Page 22 Measurement Computing Corporation NI Hungary Kft 10 Commerce Way H-4031 Debrecen, Hátar út 1/A, Hungary Norton, Massachusetts 02766 Phone: +36 (52) 515400 (508) 946-5100 Fax: +36 (52) 515414 Fax: (508) 946-9500 http://hungary.ni.com/debrecen E-mail: info@mccdaq.com www.mccdaq.com...
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