USB-SSR08 User's Guide
Contents
1. when module is active non invert mode returns a 0 when module is active For output modules invert mode allows users to write a 1 to activate the module non invert mode allows users to write a 0 to activate the module Power Table 2 Power specifications Parameter Conditions Specification USB 5 V input voltage range 4 75 V min to 5 25 V max USB 5 V supply current All modes of operation 100 mA External power supply included MCC p n CB PWR 9 9Vzc1096 a 1 0A Voltage supervisor limits PWR LED 6 0 V gt Vax gt 12 5 V PWR LED Off power fault 6 0 V V lt 12 5 V PWR LED On External power consumption All modules off 0 A downstream hub power 180 mA typ 220 mA max All modules on 100 mA downstream hub power 300 mA typ 360 mA max External power input Table 3 External power input specifications Parameter Conditions Specification External power input 6 0 VDC to 12 5 VDC 9 VDC power supply included Voltage supervisor limits PWR LED Note 1 6 0 V gt Vext or Vext gt 12 5 V PWR LED Off power fault PWR LED On 6 0 V lt Vext lt 12 5 V External power adapter included MCC p n CB PWR 9 9 V 10 1 0 A 4 1 USB SSRO8 User s Guide Specifications Note 1 The USB SSR08 monitors the external 9 V power supply voltage with a voltage super2. disconnect the USB cable and then reconnect it This should restore communication and the USB LED should turn back on If you are running Windows XP and connect the USB SSROS8 to a USB 1 1 port a balloon displays the message Your USB device can perform faster if you connect to a USB 2 0 port You can ignore this message The USB SSRO08 will function properly when connected to a USB 1 1 port Caution Do not disconnect any device from the USB bus while the computer is communicating with the USB SSRO8 or you may lose data and or your ability to communicate with the USB SSRO8 2 4 USB SSR08 User s Guide Installing the USB SSR08 If your system does not detect the USB SSR08 If a USB device not recognized message appears when you connect the USB SSRO08 do the following 1 Unplug the USB cable from the USB SSR08 Unplug the external power cord from the POWER IN connector on the enclosure Plug the external power cord back into the POWER IN connector Ps e c9 Plug the USB cable back into the USB SSRO8 Your system should now properly detect the USB SSRO08 hardware Contact technical support if your system still does not detect the USB SSRO8 2 5 Chapter 3 Functional Details Internal components The USB SSROS has the following internal components as shown in Figure 3 1 Two 2 USB connectors Two 2 external power connectors PWR LED USB LED UO module type switch S1 Control logi
3. e el Sj Ss Sl S SSR modules 5 to 8 Port C HI Screw terminal Switch S3 pull up down Figure 1 1 USB SSR08 functional block diagram Software features For information on the features of JnstaCal and the other software included with your USB SSRO8 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 or versions of the software supported under less commonly used operating systems USB SSRO8 User s Guide Introducing the USB SSR08 Connecting a USB SSR08 to your computer is easy Installing a data acquisition device has never been easier The USB SSRO8 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 We use the Microsoft HID because it is a standard and its performance delivers full control and maximizes data transfer rates for your USB SSR08 No third party device driver is required You can connect the USB SSR08 before or after you install the software and without powering down your computer first When you connect an HID to your system your computer automatically detects it and configures the necessary software You can connect and power multiple HID peripherals to your system using a USB hub You can connect yo
4. 0 V or more than 12 5 V the PWR LED does not light Do not connect external power to the POWER OUT connector The power connector labeled POWER OUT on the enclosure PWR OUT on the board is used to provide power to an additional MCC USB Series product If you connect the external power supply to the POWER OUT connector the USB SSR08 does not receive power and the PWR LED will not illuminate Connecting the USB SSR08 to your system To connect the USB SSROS to your system do the following 1 Turn your computer on 2 Connect the USB cable to the USB connector labeled USB IN on the USB SSRO8 3 Connect the other end of the USB cable to a USB port on your computer or to an external USB hub that is connected to your computer The USB LED illuminates green The USB cable provides power and communication to the USB SSRO8 When you connect the USB SSROS for the first time a Found New Hardware popup balloon Windows XP or dialog other Windows versions opens as the USB SSROS is detected USB SSR08 ES usss i Found New Hardware Windows has found new hardware and is locating the software for it When installation is complete the USB LED should flash and then remain lit This indicates that communication is established between the USB SSRO08 and your computer If the USB LED turns off If the USB LED is lit but then turns off the computer has lost communication with the USB SSROS To restore communication
5. by phone fax or email For international customers contact your local distributor where you purchased the USB SSRO0S Phone 508 946 5100 and follow the instructions for reaching Tech Support Fax 508 946 9500 to the attention of Tech Support Email techsupport a mccdaq com Installing the software Refer to the Quick Start Guide for instructions on installing the software on the Measurement Computing Data Acquisition Software CD This booklet is available in PDF at www mccdag com PDFmanuals DA Q Software Quick Start pdf Installing the USB SSRO08 Before you connect the USB SSROS to your computer configure the hardware and then connect the external power supply that was shipped with the device You can connect up to four MCC USB Series products in a daisy chain configuration to a single USB 1 1 port or USB 2 0 port on your computer Configuring the hardware switches The USB SSROS has three on board switches that you set to configure the I O module type relay logic polarity and relay power up state Configure these switches before you connect the external power supply to the USB SSRO8 Factory configured default settings are listed in Table 2 1 Refer to Figure 3 1 for the location of each switch Table 2 1 Default switch configuration Board label Description Default setting IN OUT S1 Configures the I O type per module group for OUT output input or output NON INVERT INVERT S2 Configures t
6. is used for the names of manuals and help topic titles and to emphasize a word or phrase For example The nstaCal installation procedure is explained in the Quick Start Guide Never touch the exposed pins or circuit connections on the board Where to find more information The following electronic documents provide information relevant to the operation of the USB SSR08 MCC s Specifications USB SSR06 the PDF version of the Specifications chapter in this guide is available on our web site at www mccdaq com pdfs USB SSRO08 pdf MCC s Quick Start Guide is available on our web site at www mccdaq com PDFmanuals DAQ Software Quick Start pdf MCC s Guide to Signal Connections is available on our web site at www mecdag com signals signals pdf MCC s Universal Library User s Guide is available on our web site at www mecdag com PDFmanuals sm ul user guide pdf MCC s Universal Library Function Reference is available on our web site at www mecdag com PDFmanuals sm ul functions pdf s MCC s Universal Library for LabVIEW User s Guide is available on our web site at www mcecdag com PDFmanuals SM UL LabVIEW pdf USB SSRO8S User s Guide this document is also available on our web site at www mecdaq com PDFEmanuals USB SSR08 pdf vi Chapter 1 Introducing the USB SSRO08 Overview USB SSR08 features This user s guide contains all of the information you need to connect the USB SSRO08 to your comp
7. logic as shown in Figure 2 3 L 1 L mm CH mm CL NON INVERT INVERT Figure 2 3 Relay logic switch S2 For input modules invert mode returns a 1 when the modules are active Non invert mode returns a 0 when the modules are active For output modules invert mode allows you to write a 1 to activate the module Non invert mode allows you to write a 0 to activate the module Relay power up state Configure switch S3 to set the state of the output relays at power up By default this product is shipped with the switch for all banks configured for pull up modules inactive on power up as shown in Figure 2 4 When switched to P DN pull down modules are active on power up Switch settings can be read back via software P UP P DN Figure 2 4 Relay power up state switch S3 2 3 USB SSRO8 User s Guide Installing the USB SSRO8 Connecting the external power supply Power to the USB SSROS is provided with the 9 V 1 A external power supply CB PWR 9 You must connect the external power supply before connecting the USB connector to the USB SSRO8 To connect the power supply to your USB SSRO8 do the following 1 Connect the external power cord to the power connector labeled POWER IN on the USB SSROS8 enclosure PWR IN on the board 2 Plug the AC adapter into a power outlet The PWR LED illuminates green when 9 V power is supplied to the USB SSRO8 If the voltage supply is less than 6
8. to an external power source The USB SSROS8 already connected to the computer is referred to as the connected module The USB SSRO08 you want to daisy chain to the connected module is referred to as the new module 1 Connect the Power OUT connector on the connected module to the Power IN connector on the new module This step is required only if you plan to daisy chain power to another module 2 Connect the USB OUT connector on the connected module to the USB IN connector on the new module 3 To add another module repeat steps 1 2 with the module you just connected now being the connected module A daisy chain example is shown in Figure 3 6 Note that the last board in the chain is supplied with external power USB port to USB IN POWER OUT to POWER IN d S CB PWR 9 kS i supply USB OUT N cain to POWER IN to USB IN Are _ CB PWR 9 Lm red 7o am NGS supply _ i n to POWER IN Spo va Sy Bn g Figure 3 6 USB SSR08 daisy chain connections Power limitations using multiple USB SSR08 devices When daisy chaining additional MCC USB Series products to the USB SSR08 you must ensure that you provide adequate power to each board that you connect The USB SSRO8 is powered with a 9 VDC nominal 1 0 A external power supply Voltage drop A drop in voltage occurs with each board connected in a daisy chain system The voltage drop between the power supply input and the daisy chain output is 0 5 V ma
9. USB SSRO8 USB based 8 Solid state Relay Module Interface Device User s Guide MEASUREMENT COMPUTING USB SSR08 USB based 8 Solid state Relay Module Interface Device User s Guide A AY MEASUREMENT COMPUTING Document Revision 5 August 2006 Copyright 2006 Measurement Computing Corporation 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 two missions To offer the highest quality computer based data acquisition control and GPIB hardware and software available at the best possible price To offer our customers superior post sale support FREE Whether providing unrivaled telephone technical and sales support on our latest product offerings or continuing that same first rate support on older products and operating systems we re committed to you Lifetime warranty Every hardware product manufactured by Measurement Computing Corporation is warranted against defects in materials or workmanship for the life of the product Products found defective are repaired or replaced p
10. al I O transfer rate specifications Digital I O transfer rate software System dependent 33 to 1000 port reads writes or single bit reads writes per paced second typ Mechanical Table 7 Mechanical specifications Card dimensions without modules 203 2 mm L x 121 9 mm W x 22 5 mm H 8 0 L x 4 8 W x 0 885 H Enclosure dimensions 241 3 mm L x 125 7 mm W x 58 9 mm H 9 50 L x 4 95 W x 2 32 H Environmental Table 8 Environmental specifications Operating temperature range 0 to 70 C Storage temperature range 40 to 85 C USB SSRO8 User s Guide Specifications Humidity 0 to 90 non condensing Main connector Table 9 Connector specifications Connector type Screw terminal Wire gauge range 12 to 22 AWG Screw terminal pin out Pin Signal Name 1 Module 1 1 Module 1 2 Module 2 2 Module 2 3 Module 3 3 Module 3 4 Module 4 4 Module 4 5 Module 5 5 Module 5 6 Module 6 6 Module 6 7 Module 7 7 Module 7 8 Module 8 8 Module 8 4 3 CE Declaration of Conformity Manufacturer Measurement Computing Corporation Address 10 Commerce Way Suite 1008 Norton MA 02766 USA Measurement Computing Corporation declares under sole responsibility that the product USB SSR08 to which this declarat
11. b etc s cuf ese 4 1 External power 1 pUt T 4 1 BT Se ET 4 2 Digital D O transfer ates 4n sack Ait Se tte ae e ee EUNT Ste ON Re dus 4 2 Mechanical i soga ree TR e e see cake UR QR P HR E ede ERE den 4 2 Environmental 4 reiecit deed 4 2 iv USB SSRO8 User s Guide Main connettori acce RR RR etti EEE OHE nbs Screw terminal pin Out scr einer e o ee e d HR E a Pe Cre o Cede e a Ue de t ede e bed dre te 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 USB SSROS so that you get the most out of its solid state relay 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 For more information on Text presented in a box signifies additional information and helpful hints related to the subject matter you are reading Caution Shaded caution statements present information to help you avoid injuring yourself and others damaging your hardware or losing your data di Angle brackets that enclose numbers separated by a colon signify a range of numbers such as those assigned to registers bit settings etc bold text Bold text is used for the names of objects on the screen such as buttons text boxes and check boxes For example 1 Insert the disk or CD and click the OK button italic text Italic text
12. c polarity switch S2 Power up state configuration switch S3 Screw terminals eight pairs USB IN POWER IN USB POWER OUT OUT usB ssRo J Control logic polarity switch S2 lO Power up state Screw terminals module type configuration switch S1 switch S3 Figure 3 1 USB SSRO08 components USB in connector The USB in connector is labeled USB IN on the enclosure and on the board This connector is a USB 2 0 full speed input connector that you connect to the USB port on your computer or USB hub connected to your computer This connector supports USB 1 1 USB 2 0 devices USB out connector The USB out connector is labeled USB OUT on the enclosure on the board This connector is a downstream hub output port intended for use with other MCC USB Series products only The USB hub is self powered and can provide 100 mA maximum current at 5 V For information on daisy chaining to other MCC USB Series products refer to Daisy chaining multiple USB SSR08 devices on page 3 4 3 1 USB SSRO8 User s Guide Functional Details External power connectors The USB SSRO8 has two external power connectors labeled POWER IN and POWER OUT on the enclosure The POWER IN connector is labeled PWR IN on the board and the POWER OUT connector is labeled PWR OUT on the board Connect the POWER IN connector to the supplied 9 V external power supply External power is required to operate the USB SSR08 The POWER OUT co
13. derside of the enclosure lid 9e 96 ee9 1 2 v amp Figure 3 5 Screw terminals Caution Before connecting wires to the screw terminals turn off the power to the USB SSR08 and make sure that the signal wires do not contain live voltages Use 12 22 AWG wire for your signal connections Properly insulate the wires to avoid any short circuit to the other channels ground or other points on the board Caution Keep the length of stripped wire at a minimum to avoid a short to the enclosure When connecting your field wiring to the screw terminals use the strip gage on the terminal strip or strip to 5 5 7 0 mm 0 215 to 0 275 long 3 3 USB SSRO8 User s Guide Functional Details LED states Independent LEDs D1 D8 at each module position indicate the on off status of each module The LED illuminates when an output module is active turned on or when an input module detects an input voltage Daisy chaining multiple USB SSRO08 devices Daisy chained MCC USB Series products connect to the USB bus through the high speed hub on the USB SSRO8 You can daisy chain a maximum of four MCC USB Series products 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 products To daisy chain two or more USB SSR08 modules follow the steps below This procedure assumes you already have one USB SSRO8 connected to a computer and
14. f each module group for input or output default You cannot mix input and output modules within a group You can use nstaCal to read the current I O type configuration for each module group Figure 3 2 shows switch S1 configured with its default settings 81 IN OUT Figure 3 2 Switch S1 default configuration 3 2 USB SSROS User s Guide Functional Details Control logic polarity switch S2 Switch S2 is a four position switch that sets the control logic polarity for each module group for either inverted active high or non inverted active low default You can use nstaCal to read the current logic configuration for each module group Figure 3 3 shows switch S2 configured with its default settings 1 C mm _ CH mm CL NON amp INVERT INVERT Figure 3 3 Switch S2 default configuration Relay power up state switch S3 Switch S3 is a four position switch that sets the state of the output relays at power up You can use nstaCal to read the current resistor configuration for each module group Figure 3 4 shows switch S3 configured with its default settings modules inactive on power up P UP P DN Figure 3 4 Switch S3 default configuration Screw terminals The USB SSROS 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 label on the board and on the un
15. fe support systems and or devices without prior written consent from Measurement Computing Corporation Life support devices systems are devices or systems which a are intended for surgical implantation into the body or b support or sustain life and whose failure to perform can be reasonably expected to result in injury Measurement Computing Corporation products are not designed with the components required and are not subject to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of people iii Table of Contents Preface About this User s Guide 2 nene eee dereud ce ee setae cee recu innen renun vi What you will learn from this user s guide sese vi Conventions in this user s guide sse eee eee vi Where to find more information sees eee ee eee eee vi Chapter 1 Introducing the USB 55RUOR sees ee eesse ereer re ennenen nere nn nre 1 1 Overview leS eT TET 1 1 Compatible SSR modules sese eee eee 1 2 USB SSRO8 block diagram sss eene enne enne nennen nnne nennen trennen re enn nennen nenne 1 2 SOltware fea tures coeno T AA E nuntii tet mun ttt meas 1 2 Connecting a USB SSRO08 to your computer is easy sese eee 1 3 Chapter 2 Installing the USB 55RU0B sse esser essere re ennenen rener nennen nnne rin tnnn inii nennen annes inii nnne nnne nennen What comes with your USB SSRO08 shipment Hard water tte e OO tet etu cette decetero Erie eto teste ete cts Additi
16. he relay logic parity per module NON INVERT group for invert or non invert logic active low P UP P DN S3 Configures the power up state of output P UP Pull up relays for pull up or pull down Each DIP switch sets the configuration of one module group The switch labeled CL configures modules 1 through 4 and the switch labeled CH configures modules 5 through 8 No function mm No function LC m Configures modules 5 8 gt m CH Configures modules 1 4 wm ICL Figure 2 1 Typical board switch You can use nstaCal to read the current configuration of each switch 2 2 USB SSRO8 User s Guide Installing the USB SSRO8 Remove from the enclosure to access the on board 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 Configure switch S1 to set the type of each module group for input or output By default switch S1 is shipped with all modules configured for output as shown in Figure 2 2 Figure 2 2 I O module type switch S1 You cannot mix input and output modules within a group Control logic polarity Configure switch S2 to set the control logic polarity for each module group for inverted active high or non inverted active low default logic By default this switch is shipped with all banks configured for non inverted
17. ion relates is in conformity with the relevant provisions of the following standards or other documents EU EMC Directive 89 336 EEC Electromagnetic Compatibility EN 61326 1997 Amendment 1 1998 Emissions Group 1 Class A EN 55011 1990 CISPR 11 Radiated and Conducted emissions Immunity EN61326 Annex A IEC 1000 4 2 1995 Electrostatic Discharge immunity Criteria C IEC 1000 4 3 1995 Radiated Electromagnetic Field immunity Criteria C IEC 1000 4 4 1995 Electric Fast Transient Burst immunity Criteria A IEC 1000 4 5 1995 Surge immunity Criteria C IEC 1000 4 6 1996 Radio Frequency Common Mode immunity Criteria A IEC 1000 4 8 1994 Magnetic Field immunity Criteria A IEC 1000 4 11 1994 Voltage Dip and Interrupt immunity Criteria A Declaration of Conformity based on tests conducted by Chomerics Test Services Woburn MA 01801 USA in June 2005 Test records are outlined in Chomerics Test Report EM14221 05 We hereby declare that the equipment specified conforms to the above Directives and Standards uu bre Carl Haapaoja Director of Quality Assurance Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton Massachusetts 02766 508 946 5100 Fax 508 946 9500 E mail info mccdag com www mccdag com
18. nnector lets you power additional daisy chained MCC USB Series products from a single external power supply Depending on your load requirements daisy chained products may require a separate power supply Refer to Power limitations using multiple USB SSR08 devices on page 3 4 for more information USB LED The USB LED indicates the communication status of the USB SSROS This LED uses up to 5 mA of current and cannot be disabled Table 3 2 explains the function of the USB LED Table 3 2 USB LED Illumination LED Illumination Indication Steady green The USB SSROS is connected to a computer or external USB hub Pulsing green Initial communication is established between the USB SSRO8 and the computer or data is being transferred PWR LED The USB SSROS incorporates an on board voltage supervisory circuit that monitors the external 9 V power If the input voltage falls outside of the specified ranges the PWR LED shuts off Table 3 3 explains the function of the PWR LED Table 3 3 PWR LED Illumination PWR LED Indication illumination Steady green External power is supplied to the USB SSRO08 Off Power is not supplied by the external power supply or a power fault has occurred A power fault occurs when the input power falls outside of the specified voltage range of the external supply 6 0 V to 12 5 V I O module type switch S1 Switch 1 is a four position switch that sets the type o
19. onal docurmientatiOh eere nte era ed e eee eee stewed onavscea s eene TYT CER ERE RENE ERE UE e Ye sbeveceaanienisesd Unpacking the USB SSROS8 nace aue ede e erede e He hee bee eiit det E eed Installing the software iere ii Se de e ee e e HL e de Ee EE eR n Installing the USBSSSROS en ete ere ce rettet eie Perdre c see n baw ie ad i ameet Configuring the hardware switches sess eene entente tnter enne teinte EEE EEEE E EE iSS Connecting the external power supply seen Connecting the USB SSROS8 to your system Chapter 3 Functional Detalls RE 3 1 Internal components ssc e o ee te d AH ee ee RM tet A OR ee 3 1 USB iti COMME COE CREER cours ca naka vacate C da IM 3 1 VO module type switch S1 sese Control logic polarity switch S2 Relay power up state switch S3 Serew derminals cene o cet ene e dee eee dee E M ede de Te ghd pane Debe tbe de dee eri dee peer ed Dee TEED e EE Daisy chaining multiple USB SSROS devices sss essere 3 4 Power limitations using multiple USB SSROS devices sees sees eee 3 4 Voltage drop dia nasse cc pem Ere erm let de bein decir e a e Dre rebel deep i tae o HE ERO EROR 3 4 Chapter 4 Specifications 2 o d A Eee iv Haase Mains Oa ee avs ERR RR EU da eva FORE weed 4 1 IHS module configuration cta e RR OR he ae RUE RE b f eed a eet Dus e a 4 1 PROWL od htsc ioquit ema nO ertoqunniste em ustetikets nni scru
20. romptly Lifetime Harsh Environment Warranty We will replace any product manufactured by Measurement Computing Corporation that is damaged even due to misuse for only 50 of the current list price I O boards face some tough operating conditions some more severe than the boards are designed to withstand When a board becomes damaged just return the unit with an order for its replacement at only 50 of the current list price We don t need to profit from your misfortune By the way we honor this warranty for any manufacturer s board that we have a replacement for 30 Day Money Back Guarantee You may return any Measurement Computing Corporation product within 30 days of purchase for a full refund of the price paid for the product being returned If you are not satisfied or chose the wrong product by mistake you do not have to keep it Please call for an RMA number first No credits or returns accepted without a copy of the original invoice Some software products are subject to a repackaging fee These warranties are in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular application The remedies provided herein are the buyer s sole and exclusive remedies Neither Measurement Computing Corporation nor its employees shall be liable for any direct or indirect special incidental or consequential damage arising from the use of its products even if Measurement Compu
21. te power supply The USB SSROS is shipped in a rugged metal enclosure that you can mount on a DIN rail or on a bench S n a CONS 1 1 USB SSRO8 User s Guide Introducing the USB SSR08 Compatible SSR modules The USB SSR08 board has locations for eight solid state relay modules that you can install in your USB SSR08 board The SSR modules use a standard color scheme so you can quickly identify what module type is installed Mounting screw threads are provided for you to easily install the SSR modules MCC offers SSR modules that are compatible with the USB SSRO8 SSR IAC 05 SSR OAC 05 SSR IAC 05A SSR OAC 05A SSR IDC 05 SSR ODC 05 SSR IDC 05NP SSR ODC 05A SSR ODC 05R Details on these SSR modules are available from our web site at www mccdagq com cbicatalog directory asp dept 1d 246 amp top id 25 Remove the USB SSR08 from the enclosure to install SSR modules You must remove the USB SSROS from the enclosure to access the solid state relay module mounting positions USB SSR08 block diagram USB SSROS functions are illustrated in the block diagram shown here 9 0V External Power i Power Monitor Power Regulator Switch S1 I O type Relay driver SSR modules 1 to 4 Port C LO i D 500 mA USB USB 2 0 Microcontroller compliant Relay interface driver Switch S2 inv non inv g 8 S S S el S sj g el
22. ting Corporation has been notified in advance of the possibility of such damages HM USB SSRO08 doc ii 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 All other trademarks are the property of their respective owners Information furnished by Measurement Computing Corporation is believed to be accurate and reliable However no responsibility is assumed by Measurement Computing Corporation neither for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or copyrights of 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 Notice Measurement Computing Corporation does not authorize any Measurement Computing Corporation product for use in li
23. ur system to various devices using a standard four wire cable The USB connector improves upon serial and parallel port connectors with one standardized plug and port combination Data can flow two ways between a computer and peripheral over USB connections Chapter 2 Installing the USB SSR08 What comes with your USB SSR08 shipment As you unpack your USB SSR08 make sure that the following components are included Hardware USB SSRO8 External power supply and cord CB PWR 9 9 volt 1 amp DC power supply USB cable 2 meter length 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 DA Q Software Quick Start pdf This booklet supplies a brief description of the software you received with your USB SSR08 and information regarding installation of that software Please read this booklet completely before installing any software or hardware 2 1 USB SSRO8 User s Guide Installing the USB SSRO8 Unpacking the USB SSR08 As with any electronic device you should take care while handling to avoid damage from static electricity Before removing the USB SSR08 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 your USB SSROS is damaged notify Measurement Computing Corporation immediately
24. uter and to the external devices you want to control The USB SSROS8 is a USB 2 0 high drive full speed solid state relay board supported under popular Microsoft Windows operating systems The USB SSROS is a mounting rack for eight solid state relay SSR modules The backplane is divided into two groups of four modules each You set the module type for each group with an on board switch You cannot mix input and output modules within a group The following configurations are possible Four input and four output modules Eight input modules Eight output modules The control logic polarity for each module group is switch settable for active high or low default logic with an on board switch The power up state for output modules is switch settable with an on board switch Independent LEDs at each module position indicate the on off status of each module Switch settings can be read back with software The USB SSROS has eight pairs of screw terminals for your field wiring connections Positive and negative relay contacts are brought out to the screw terminals The USB SSRO8 is powered by an external 9 V 1 A regulated power supply that is shipped with the device A USB cable is also included USB out and power out connections let you power and control multiple MCC USB Series boards from one external power source and one USB port in a daisy chain fashion Depending on your load requirement daisy chained boards may require a separa
25. visory 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 External power output specifications Parameter Conditions Specification External power output current range 4 0 A max External power output Note 2 Voltage drop between power input and daisy 0 5 V max chain power output Compatible cable s for daisy chain C MAPWR x X 2 3 or 6 feet Note 2 The daisy chain power output option allows multiple Measurement Computing USB boards to be powered from a single external power source in a daisy chain fashion The voltage drop between the module power supply input and the daisy chain output is 0 5 V max Users must plan for this drop to assure the last module in the chain will receive at least 6 0 VDC USB specifications Table 5 USB specifications USB B connector Input USB device type USB 2 0 full speed Device compatibility USB 1 1 USB 2 0 USB A connector Downstream hub output port USB hub type Supports USB 2 0 high speed full speed and low speed operating points Self powered 100 mA max downstream VBUS capability Compatible products MCC USB Series devices USB cable type upstream and A B cable UL type AWM 2527 or equivalent min 24 AWG VBUS GND min downstream 28 AWG D D USB cable length 3 meters max Digital I O transfer rates Table 6 Digit
26. ximum Factor in this voltage drop when you configure a daisy chain system to ensure that at least 6 0 VDC is provided to the last board in the chain 3 4 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 Modules 1 4 User selectable via switch S1 CL position as either input modules or output default modules Switch settings for direction can be read back via software Do not mix input and output modules within this bank of four Modules 5 8 User selectable via switch S1 CH position as either input modules or output default modules Switch settings for direction can be read back via software Do not mix input and output modules within this bank of four Pull up pull down on digital I O lines Configurable via switch S3 with 2 2 K ohm resistor network Switch settings for pull up pull down selection can be read back via software Default to pull up Switch settings are applicable during power up conditions of output modules only Modules are active Low When switch to Pull up modules are inactive on power up When switched to pull down modules are active on power up I O module logic polarity Selectable via switch S2 Switch settings for polarity can be read back via software Default to non inverted For input modules invert mode returns a 1
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