USB-3102 User's Guide - from Measurement Computing
Contents
1. 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 3102 so that you get the most out of its analog output 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 dii 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 is used for the names of manuals and help topic titles and to emphasize a word or phrase For example The InstaCal 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 helpful information relevant to the operation of the USB 3102 MCC s Specifications USB 3102 the PDF v2. Differential non linearity Note 4 Calibrated 1 25 LSB typ 2 LSB to 1 LSB max Un calibrated 0 25 LSB typ 1 LSB max Output current VOUTx pins 3 5 mA typ Output short circuit protection VOUTx connected to AGND Indefinite Output coupling DC Power on and reset state DACs cleared to zero scale 0 V 50 mV typ Output range 0 10 V Output noise 0 to 10 V range 14 95 u Vrms typ 10 V range 31 67 u Vrms typ Settling time to 1 LSB accuracy 25 uS typ Slew rate 0 to 10 V range 1 20 V uS typ 10 V range 1 20 V uS typ Throughput Single channel 100 Hz max system dependent Multi channel 100 Hz ch max system dependent Note 1 Each of the four DAC8554 outputs controls a VOUTx and IOUTx channel pair simultaneously So for example when writing to channel VOUTO the associated IOUTO channel will also be updated Conversely when writing to channel IOUTO the associated VOUTO channel is also updated Unused VOUTx and IOUTx output channels should be left disconnected 20 USB 3102 User s Guide Specifications Note 2 The USB 3102 output voltage level defaults to OV whenever the output voltage range is reconfigured The USB 3102 output voltage level will also default to OV 1 Whenever the host PC is reset shut down or suspended 2 If a reset command is issued to the device N
3. Note 11 This is the total quiescent current requirement for the USB 3102 which includes up to 10 mA for the status LED This does not include any potential loading of the digital I O bits 5V user terminal ITEST or the VOUTx IOUTx outputs Note 12 Output voltage range assumes USB power supply is within specified limits Note 13 This refers to the total amount of current that can be sourced from the 5V user terminal pin 56 for general use This specification also includes any additional contribution due to DIO loading Note 14 This refers to the total maximum amount of current that can be sourced from the ITEST user terminal pin 51 The ITEST terminal pin should only be used for biasing individual IOUTx outputs in order to facilitate functional testing A load resistor of 100Q should be placed in series between the ITEST pin and the IOUTx pin for proper operation USB specifications Table 13 USB specifications USB device type USB 2 0 full speed USB device compatibility USB 1 1 2 0 USB cable length 3 meters max USB cable type A B cable UL type AWM 2527 or equivalent min 24 AWG VBUS GND min 28 AWG D D 24 USB 3102 User s Guide Specifications Environmental Table 14 Environmental specifications Operating temperature range 0 to 50 C Storage temperature range 40 to 85 C Humidity 0 to 90 non condensing Mechanical Table 15 Mechanical specifications
4. Dimensions 127 mm L x 88 9 mm W x 35 56 H Main connector and pin out Table 16 Main connector specifications Connector type Screw terminal Wire gauge range 16 AWG to 30 AWG Pin Signal Name Pin Signal Name 1 VOUTO 29 VOUT1 2 IOUTO 30 IOUT1 3 VOUT2 31 VOUT3 4 IOUT2 32 IOUT3 5 AGND 33 AGND 6 NG 34 NC 7 NC 35 NC 8 NC 36 NC 9 NC 37 NC 10 AGND 38 AGND 11 NC 39 NC 12 NC 40 NC 13 NC 41 NC 14 NC 42 NC 15 AGND 43 AGND 16 NC 44 NC 17 NC 45 NC 18 NC 46 NC 19 NC 47 NC 20 AGND 48 AGND 21 DIOO 49 SYNCLD 22 DIO1 50 DGND 23 DIO2 51 TEST 24 DIO3 52 CTR 25 DIO4 53 DGND 26 DIO5 54 DIO CTL 27 DIO6 55 DGND 28 DIO7 56 5V 25 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 3102 to which this declaration relates is in conformity with the relevant provisions of the following standards or other documents Category Electrical equipment for measurement control and laboratory use EC EMC Directive 2004 108 EC Electromagnetic Compatibility EN 61326 1 2006 IEC 61326 1 2005 Emissions EN 55011 1990 CISPR 11 Radiated emissions Group 1 Class A EN 55011 1990 CISPR 11 Conducted emissions Gro
5. SYNCLD 50 DGND 51 ITEST 52 CTR 53 DGND 54 DIOCTL 55 DGND 56 5V oooo0o0o00000000000000000000000 Ooo Figure 5 USB 3102 signal pin out Analog voltage output terminals VOUTO to VOUT3 The screw terminal pins labeled VOUTO to VOUTS are voltage output terminals see Figure 5 The voltage output range for each channel is software programmable for either bipolar or unipolar The bipolar range is 10 V and the unipolar range is 0 to 10 V Each D A converter output controls a voltage and current channel pair simultaneously When you write to a voltage output its associated current output is also updated Each channel pair can be updated individually or simultaneously Leave each pair of unused voltage and current outputs disconnected Analog current output terminals IOUTO to IOUT3 The screw terminal pins labeled IOUTO to IOUT3 are current output terminals see Figure 5 The current range for each channel is 0 to 20 mA Each D A converter output controls a voltage and current channel pair simultaneously When you write to a current output its associated voltage output is also updated Each channel pair can be updated individually or simultaneously Leave each pair of unused voltage and current outputs disconnected Figure 6 shows a typical analog current output circuit A minimum of 8 VDC must be available at IOUTn A maximum of 36 VDC external excitation voltage is used to power the loop Consider the drop across the l
6. above Directives and Standards eX bof 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
7. linearities Analog output calibration Table 6 Analog output calibration specifications Parameter Conditions Specifications Recommended warm up time 15 minutes min On board precision reference DC level 5 000 V 1 mV max Tempco 10 ppm C max Long term stability 10 ppm SQRT 1000 hrs Calibration method Software calibration Calibration interval 1 year Digital input output Table 7 Digital I O specifications Digital logic type CMOS Number of I O 8 Configuration Independently configured for input or output Pull up pull down configuration User configurable Note 8 All pins floating default Digital I O input loading TTL default 47K ohms pull up pull down configurations Digital I O transfer rate system paced System dependent 33 to 1000 port reads writes or single bit reads writes per second Input high voltage 2 0 V min 5 5 V absolute max Input low voltage 0 8 V max 0 5 V absolute min Output high voltage IOH 2 5 mA 3 8 V min Output low voltage IOL 2 5 mA 0 7 V max Power on and reset state Input Note 8 Pull up and pull down configuration area available using the DIO CTL terminal block pin 54 The pull down configuration requires the DIO CTL pin pin 54 to be connected to a DGND pin pin 50 53 or 55 For a pull up configuration the DIO CTL pin should be connected to the 5V terminal pin pin 56 2
8. 2 USB 3102 User s Guide Specifications Synchronous DAC Load Table 8 SYNCLD UO specifications Parameter Conditions Specification Pin name SYNCLD terminal block pin 49 Power on and reset state Input Pin type Bidirectional Termination Internal 100K ohms pull down Software selectable direction Output Outputs internal D A LOAD signal Input Receives D A LOAD signal from external source Input clock rate 100 Hz max Clock pulse width Input 1 us min Output 5 us min Input leakage current 1 0 uA typ Input high voltage 4 0 V min 5 5 V absolute max Input low voltage 1 0 V max 0 5 V absolute min Output high voltage Note 9 IOH 2 2 5 mA 3 3 V min No load 3 8 V min Output low voltage Note 10 IOL 2 2 5 mA 1 1 V max No load 0 6 V max Note 9 SYNCLD is a Schmitt trigger input and is over current protected with a 200 Ohm series resistor Note 10 When SYNCLD is in input mode the analog outputs may either be updated immediately or when a positive edge is seen on the SYNCLD pin this is under software control However the pin must be at a low logic level in order for the DAC outputs to be updated immediately If an external source is pulling the pin high no update will occur Counter Table 9 CTR I O specifications Parameter Conditions Specification Pin name CTR Number of channels 1 Resolution 32 bits Counter type Event counter Input type TTL r
9. AC outputs on each device Refer to Synchronizing multiple units below Use InstaCal to configure the SYNCLD mode as master or slave On power up and reset the SYNCLD pin is set to slave mode input Refer to the USB 3100 Series section in the Universal Library User s Guide for information on how to configure the USB 3102 with the Universal Library Counter terminal CTR The CTR connection pin 52 is the input to the 32 bit event counter The internal counter increments when the TTL levels transition from low to high The counter can count frequencies of up to 1 MHz Power terminal 5V The 5 V connection pin 56 draws power from the USB connector This terminal is a 5V output Caution The 5V terminal is an output Do not connect to an external power supply or you may damage the USB 3102 and possibly the computer Synchronizing multiple units You can connect the SYNCLD terminal pin pin 49 of two USB 3102 units together in a master slave configuration and simultaneously update the DAC outputs of both devices Do the following 1 Connect the SYNCLD pin of the master USB 3102 to the SYNCLD pin of the slave USB 3102 2 Configure the SYNCLD pin on the slave device for input to receive the D A LOAD signal from the master device Use InstaCal to set the direction of the SYNCLD pin 3 Configure the SYNCLD pin on the master device for output to generate an output pulse on the SYNCLD pin Set the Universal Library SIMULTA
10. 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 XBee and XBee PRO are trademarks of MaxStream Inc 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 life 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 r
11. NEOUS option for each device Refer to the Universal Library User s Guide for information on how to configure the USB 3102 with the Universal Library 18 USB 3102 User s Guide Functional Details When the SYNCLD pin on the slave device receives the signal the analog output channels on each device are updated simultaneously An example of a master slave configuration is shown here Master D A LOAD signal Slave device SYNCLD pin device terminal pin 49 Configure the SYNCLD Configure the SYNCLD pin for output pin for input Figure 10 Synchronizing the update of multiple devices 19 Chapter 4 Specifications Typical for 25 C unless otherwise specified Specifications in italic text are guaranteed by design Analog voltage output Table 1 Analog voltage output specifications Parameter Conditions Specifications Digital to Analog converter DAC8554 Number of channels 4 Note 1 Resolution 16 bits Output ranges Calibrated 10 V Oto 10 V Software configurable Un calibrated 10 2 V 0 04 to 10 08 V Software configurable Output transient 10 V to 0 to 10 V or 0 to 10 V to 10 V range selection Note 2 Duration 5 uS typ Amplitude 5V p p typ Host PC is reset powered on suspended or a reset command is issued to device Note 3 Duration 2 S typ Amplitude 2V p p typ Initial power on Duration 50 mS typ Amplitude 5V peak typ
12. USB 3102 Four analog voltage output 16 bit four analog current output 16 bit Eight digital I O one 32 bit event counter Full speed USB 2 0 device User s Guide Va MN Ge MEASUREMENT AWK 9429 COMPUTING USB 3102 USB based Analog Output User s Guide Va Ad e AWVN Vas MEASUREMENT COMPUTING Document Revision 4 March 2009 Copyright 2009 Measurement Computing Corporation 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 PC based data acquisition hardware and software that will save time and save money Simple installations minimize the time between setting up your system and actually making measurements We offer quick and simple access to outstanding live FREE technical support to help integrate MCC products into a DAQ system Limited Lifetime Warranty Most MCC products are covered by a limited lifetime warranty against defects in materials or workmanship for the life of the product to the original purchaser unless otherwise noted Any products found to be defective in material or workmanship will be repaired replaced with same or similar device or refunded at MCC s discretion For specific i
13. analog ground AGND connections provide a common ground for all analog voltage and current output channels Three digital ground DGND connections provide a common ground for the DIO CTR SYNCLD and 5V connections 17 USB 3102 User s Guide Functional Details Synchronous DAC load terminal SYNCLD The synchronous DAC load connection pin 49 is a bidirectional I O signal that allows you to simultaneously update the DAC outputs on multiple devices You can use this pin for two purposes Configure as an input slave mode to receive the D A LOAD signal from an external source When the SYNCLD pin receives the trigger signal the analog outputs are updated simultaneously SYNCLD pin must be logic low in slave mode for immediate update of DAC outputs When the SYNCLD pin is in slave mode the analog outputs can be updated immediately or when a positive edge is seen on the SYNCLD pin this is under software control The SYNCLD pin must be at a low logic level for DAC outputs to update immediately If the external source supplying the D A LOAD signal is pulling the SYNCLD pin high no update will occur Refer to the USB 3100 Series section in the Universal Library User s Guide for information on how to update DAC outputs immediately Configure as an output master mode to send the internal D A LOAD signal to the SYNCLD pin You can use the SYNCLD pin to synchronize with a second USB 3102 and simultaneously update the D
14. easonably 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 Table of Contents Preface About this User s Guide nn aanenanneerense ennen ennnenennnnesnsnenananennnnnensnnennnsnanenenanseenneennnnnenannnennnnennn 7 What you will learn from this user s guide 7 Conventions ii ths ser s guide ain eR ne ensen REQUE neni ect e eret n F Where to find more information sisser eiieeii eka ee ieot S errie i r EE SEE he e oer ESEE r Ee EE den nne eae ene 7 Chapter 1 Introducing the USB 3102 eege S ege Ehe EA ee 8 Overview USB 3102 feat res ecciesie tied dus cutencedestescdesanecceestbes Lee leen o de abdo ruben 8 USBz3102 block diagram nn RR EEN 9 Software features tee ee ee qe pta ae et m UR Om ROTER rre er ELO rm RD pad 9 Chapter 2 Installing the USB 3102 241crreiei Diari else ie ID ENEE 10 What comes with your USB 3102 shipment A 10 SET EE 10 Additional documentation rsernnerrerassmeresnnes ensen eens ease anderen ARR NEES NENNEN ENEE 10 Unpacking the USB 3102 eerst e i m Ansaid ante Aaa oni don 10 Installing the software Installing the hardware Connecting the USB 3102 to your Sy Stem EE 11 Calibrating the USB 3102 Chapter 3 Functional Detailer etsen ee eege ee Nee End v
15. ec 13 External components n rete Reo ba Ehe e ree ere SEENEN EES 13 USB connector Stat S EI DA DN Power DIE EE Screw terminal banks Analog voltage output terminals VOUTO to VOUT3 nan nervenvenvenveneeneenenvenvenvenvenvenvenenvenvenvenvenn Analog current output terminals IOUTO to OUT Current Test terminal TEST Digital I O terminals DIOO to DIO7 Digital I O control terminal DIO CTL for pull up down configuration Ground terminals AGND DGND Synchronous DAC load terminal SYNCLD Co ntertermimal CTR eite eee tete esie retient EE EE Power terminal GIMV ot nerven EG C UE A EEG UR CAR FH ED CU eH AEG TOES Synchronizing multiple units Chapter 4 E E e e EE Analog Voltage Output MEE EENS e E E A E Eeer Analog curtent output en rae e ete re i etra tee eto eet ue Analog output c alibratiOn 2 rette he etie rd eee eda ee eras nde t dn venae en dende Parana pU Digital imput outp t ehe eon ee Rt Epid tee tp bere Synchronous DAC Load 20550 tee ip hr e p e e rn e Op EO Erbe Reip Sot d those decoded USB 3102 User s Guide Environmental EE 25 huele 25 Maii connector and pint QUE 4a e reden o te e Dr e anid ovate ee o Oekene dee 25 Declaration of Conformity nnn inne aeania aieiaa aaia uni aaeeea E diaaa ainda aaaea ia eanas iaiia 26
16. ersion of the Specifications chapter in this guide is available on our web site at www mccdag com pdfs Specs USB 3 102 spec pdf MCC s Quick Start Guide is available on our web site at www mccdaq com PDFEmanuals DA Q Software Quick Start pdf MCC s Guide to Signal Connections is available on our web site at www mccdagq com signals signals pdf a MCC s Universal Library User s Guide is available on our web site at www mccdaq com PDFmanuals sm ul user guide pdf MCC s Universal Library Function Reference is available on our web site at www mccdaq com PDFmanuals sm ul functions pdf MCC s Universal Library for LabVIEW User s Guide is available on our web site at www mccdaq com PDFEmanuals SM UL Lab VIEW pdf USB 3102 User s Guide this document is also available on our web site at www mccdag com PDFmanuals USB 3102 pdf Chapter 1 Introducing the USB 3102 Overview USB 3102 features This user s guide contains all of the information you need to connect the USB 3102 to your computer and to the signals you want to control The USB 3102 is part of the Measurement Computing brand of USB based data acquisition products The USB 3102 is a USB 2 0 full speed device that is supported under popular Microsoft Windows operating systems The USB 3102 is fully compatible with both USB 1 1 and USB 2 0 ports The USB 3102 provides four channels of analog voltage output four channels of analog current output eig
17. g the computer chassis or other grounded object to eliminate any stored static charge 10 USB 3102 User s Guide Installing the USB 3102 If any components are missing or damaged notify Measurement Computing Corporation immediately by phone fax or e mail Phone 508 946 5100 and follow the instructions for reaching Tech Support Fax 508 946 9500 to the attention of Tech Support Email techsupport mcedag 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 hardware Be sure you are using the latest system software Before you connect the USB 3102 make sure that you are using the latest versions of the USB drivers Before installing the USB 3102 download and install the latest Microsoft Windows updates In particular when using Windows XP make sure you have XP Hotfix KB822603 installed This update is intended to address a serious error in Usbport sys when you operate a USB device You can run Windows Update or download the update from www microsoft com downloads details aspx familyid 733dd867 56a0 4956 b7fe e85b688b7f86 amp displaylang en For more information refer to the Microsoft Knowledge Base article Availability of the Windows XP SPI USB 1 1 and 2 0 update This article is available at s
18. ht digital I O connections and one 32 bit event counter The USB 3102 has a quad 4 channel 16 bit digital to analog converter DAC Each D A converter output controls a voltage and current channel pair simultaneously You set the voltage output range of each DAC channel independently with software for either bipolar unipolar or current The bipolar range is 10 V the unipolar range is 0 to 10 V and the analog current range is 0 to 20 mA Each voltage current channel pair can be updated individually or simultaneously A bidirectional synchronization connection allows you to simultaneously update the DAC outputs on multiple devices The USB 3102 features eight bidirectional digital I O connections You can configure the DIO lines as input or output in one 8 bit port All digital pins are floating by default A screw terminal connection is provided for pull up 5 V or pull down 0 volts configuration The 32 bit counter can count TTL pulses The USB 3102 is powered by the 5 volt USB supply from your computer No external power is required All T O connections are made to the screw terminals located along each side of the USB 3102 Figure 1 USB 3102 USB 3102 User s Guide Introducing the USB 3102 USB 3102 block diagram USB 3102 functions are illustrated in the block diagram shown here USB Analog Voltage Output Full speed 4 channels 16 bit DEK USB 2 0 DEE Compliant aa et Interface SPI ua L IE 8 channel
19. ising edge triggered Counter read writes rates software paced Counter read System dependent 33 to 1000 reads per second Counter write System dependent 33 to 1000 reads per second Schmidt trigger hysteresis 20 mV to 100 mV Input leakage current 1 0 uA typ Input frequency 1 MHz max High pulse width 500 nS min Low pulse width 500 ns min Input high voltage 4 0 V min 5 5 V absolute max Input low voltage 1 0 V max 0 5 V absolute min Memory Table 10 Memory specifications 23 USB 3102 User s Guide Specifications EEPROM 256 bytes EEPROM configuration Address range Access Description 0x000 0xOFF Read write 256 bytes user data Microcontroller Table 11 Microcontroller specifications Type High performance 8 bit RISC microcontroller Program memory 16 384 words Data memory 2 048 bytes Power Table 12 Power specifications Parameter Conditions Specification Supply current USB enumeration lt 100 mA Supply current Note 11 Quiescent current 140 mA typ 5V user output voltage range Note 12 Available at terminal block pin 56 4 5 V min 5 25 V max 5V user output current Note 13 Available at terminal block pin 56 10 mA max ITEST output voltage range Available at terminal block pin 51 13V 1 typ ITEST output current Note 14 Available at terminal block pin 51 30mA max
20. ltage 13V Resistive load 100Q 0 05 of full scale range IOUTX leakage current All zeros written to IOUTx channel 100nA typ each individual IOUT channel Settling time Full scale step to 1LSB accuracy Compliance voltage 12V Rload 5002 25 uS typ Throughput Single channel 100 Hz max system dependent Multi channel 100 Hz ch max system dependent 21 USB 3102 User s Guide Specifications Note 5 Each of the four DAC8554 outputs controls a VOUTx and IOUTx channel pair simultaneously So for example when writing to channel VOUTO the associated IOUTO channel will also be updated Conversely when writing to channel IOUTO the associated VOUTO channel is also updated Unused VOUTx and IOUTx output channels should be left disconnected Note 6 The following formula will calculate the maximum load resistance for correct IOUT circuit operation The compliance voltage applied should not exceed the limits specified in Table 5 Calibrated Output Load Resistance Compliance Voltage 6V 0 020A Un Calibrated Output Load Resistance Compliance Voltage 6V 0 025A Note 7 The maximum differential non linearity specification applies to the entire 0 to 70 C temperature range of the USB 3102 This specification also accounts for the maximum errors due to the software calibration algorithm in Calibrated mode only and the DAC8554 digital to analog converter non
21. nect it This should restore communication and the power LED should turn back on Calibrating the USB 3102 The USB 3102 is shipped fully calibrated Calibration coefficients are stored in the device FLASH memory Return the device to Measurement Computing Corporation when calibration is required The normal calibration interval is once per year 12 Chapter 3 Functional Details External components The USB 3102 has the following external components as shown in Figure 3 USB connector Status LED Power LED Screw terminal banks 2 Screw terminal pins 29 to 56 Status LED Power LED Screw terminal pins 1 to 28 USB connector Figure 3 USB 3102 external components USB connector The USB connector provides power and communication to the USB 3102 The voltage supplied through the USB connector is system dependent and may be less than 5 V No external power supply is required Status LED The Status LED indicates the communication status of the USB 3102 It flashes when data is being transferred and is off when the USB 3102 is not communicating This LED uses up to 10 mA of current and cannot be disabled Power LED The power LED lights up when the USB 3102 is connected to a USB port on your computer or to an external USB hub that is connected to your computer 13 USB 3102 User s Guide Functional Details Screw terminal banks The USB 3102 has two rows of screw terminals
22. nformation please refer to the terms and conditions of sale Harsh Environment Program Any Measurement Computing product that is damaged due to misuse or any reason may be eligible for replacement with the same or similar device for 50 of the current list price I O boards face some harsh environments some harsher than the boards are designed to withstand Contact MCC to determine your product s eligibility for this program 30 Day Money Back Guarantee Any Measurement Computing Corporation product may be returned 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 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 Computing Corporation has been notified in advance of the possibility of such damages HM USB 3102 doc 3 Trademark and Copyright Information TracerDAQ Universal Library Measurement Computing Corporation and the Measurement Computing logo are either trademarks or registered trademarks of Measurement
23. oad when selecting the supply voltage A typical application uses a 24 V loop supply The loop can use either a grounded load where the supply floats or a grounded supply where the load floats Each connection method is shown in Figure 6 15 USB 3102 User s Guide Functional Details S __ Floating Ext ez IOUTn 2 Supply lIOUT n 2 Floating Load lOU Tta lOUTn 2 e AR Floating Load eg lOUTn 1 IOUTn Floating Load IOUTA Grounded External Supply IOUTn 1 lIOUTn 2 AGND Connection with Connection with grounded load grounded supply Figure 6 Typical analog current output circuit Refer to the manufacturer s information for the device being controlled for additional details Current Test terminal ITEST The ITEST connection pin 51 is used with nstaCal to test the functionality of the analog current output IOUT pins The ITEST connection circuit is shown in Figure 7 Limit one channel ITEST lIOUTn Figure 7 Current output test circuit Do not test more that one current output pin at a time The ITEST output is not adequate for application use It is intended for test purposes only 16 USB 3102 User s Guide Functional Details Digital UO terminals DIOO to DIO7 You can connect up to eight digital I O lines to the screw terminals labeled DIOO to DIO7 pins 21 through 28 You can configure each digital bit for either input or output When you configure the digital bi
24. one row on the top edge of the housing and one row on the bottom edge Each row has 28 connections Use 16 AWG to 30 AWG wire gauge when making screw terminal connections Pin numbers are identified in Figure 4 Pin 29 Pin 56 Pin 1 Pin 28 Figure 4 USB 3102 screw terminal pin numbering Screw terminal pins 1 28 The screw terminals on the bottom edge of the USB 3102 pins 1 to 28 provide the following connections Two analog voltage output connections VOUTO VOUT2 Two analog current output connections IOUTO IOUT2 Four analog ground connections AGND Eight digital I O connections DIOO to DIO7 Screw terminal pins 29 56 The screw terminals on the top edge of the USB 3102 pins 29 to 56 provide the following connections Two analog voltage output connections VOUT1 VOUT3 Two analog current output connections IOUT1 IOUT3 Four analog ground connections AGND One SYNC terminal for external clocking and multi unit synchronization SYNCLD Three digital ground connections DGND One current test connection TEST One external event counter connection CTR One digital I O pull up down resistor connection DIO CTL One voltage output power connection 5 V 14 USB 3102 User s Guide Functional Details 29 VOUT1 30 IOUT1 31 VOUT3 32 IOUT3 33 AGND 34 NC 35 NC 36 NC 37 NC 38 AGND 39 NC 40 NC 41 NC 42 NC 43 AGND 44 NC 45 NC 46 NC 47 NC 48 AGND 49
25. ote 3 The duration of this particular output transient is highly dependent on the enumeration process of the host PC Typically the output of the USB 3102 is stable after 2 seconds Note 4 The maximum differential non linearity specification applies to the entire 0 to 50 C temperature range of the USB 3102 This specification also accounts for the maximum errors due to the software calibration algorithm in Calibrated mode only and the DAC8554 digital to analog converter non linearities Table 2 Absolute accuracy specifications calibrated output Range Accuracy LSB 10 V 14 0 Oto 10V 22 0 Table 3 Absolute accuracy components specifications calibrated output Range of reading Offset EmV Temp drift C Absolute accuracy at FS mV 10 V 0 0183 1 831 0 00055 3 661 Oto 10V 0 0183 0 915 0 00055 2 746 Table 4 Relative accuracy specifications Range Relative accuracy LSB 10 V 0tol0V 4 0 typ 12 0 max Analog current output Table 5 Analog current output specifications Parameter Conditions Specifications Number of channels 4 Note 5 Resolution 16 bits Output ranges Calibrated 0 to 20 mA typ Uncalibrated 0 to 25 mA typ Compliance voltage range Calibrated output 8 V min Note 6 36 V max Differential non linearity Note 7 Calibrated 1 25 LSB typ 2 LSB to 1 LSB max Un calibrated 0 25 LSB typ 1 LSB to 1 LSB max Absolute accuracy Compliance vo
26. s USB Analog Current Microcontroller el ut 4 channels 16 bit LJ o 2 o D c c o o o E E Ze o 2 z o E o o J0128uuoo Q EUIWIS Mee Event Counter 1 channel 32 bit Figure 2 USB 3102 block diagram Software features For information on the features of InstaCal and the other software included with your USB 3102 refer to the Quick Start Guide that shipped with your device The Quick Start Guide is also available in PDF at www mccdag com PDFmanuals DA Q Software Quick Start pdf Check www mccdag com download htm for the latest software version Chapter 2 Installing the USB 3102 What comes with your USB 3102 shipment The following items are shipped with the USB 3102 Hardware USB 3102 device 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 mcecdag com PDFmanuals DA Q Software Quick Start pdf This booklet supplies a brief description of the software you received with your USB 3102 and information regarding installation of that software Please read this booklet completely before installing any software or hardware Unpacking the USB 3102 As with any electronic device you should take care while handling to avoid damage from static electricity Before removing the USB 3102 from its packaging ground yourself using a wrist strap or by simply touchin
27. ts for input you can use the digital I O terminals to detect the state of any TTL level input Refer to the switch shown in Figure 8 and the schematic shown in Figure 9 When the switch is set to the 5 V USER input DIO7 reads TRUE 1 If you move the switch to DGND DIO7 reads FALSE 0 Pi DIO7 A a S N Pin 53 j DGND Pin 28 Pin 56 DIO7 Ku DGND 45V 39 Figure 8 DIO7 detecting the state of a switch Figure 9 Schematic showing DIO7 detecting the state of a switch For more information on digital signal connections For more information on digital signal connections and digital I O techniques refer to the Guide to Signal Connections available on our web site at www mccdag com signals signals pdf Digital UO control terminal DIO CTL for pull up down configuration All digital pins are floating by default When inputs are floating the state of unwired inputs are undefined they may read high or low You can configure the inputs to read a high or low value when they aren t wired Use the DIO CTL connection pin 54 to configure the digital pins for pull up inputs read high when unwired or pull down inputs read low when unwired To pull up the digital pins to 5V wire the DIO CTL terminal pin to the 5V terminal pin pin 56 To pull down the digital pins to ground 0 volts wire the DIO CTL terminal pin to a DGND terminal pin pin 50 53 or 55 Ground terminals AGND DGND Eight
28. up 1 Class B Immunity EN61326 1 2006 IEC 61326 1 2005 Table 3 Immunity requirements for equipment used in controlled EM environments EC 61000 4 2 2001 Electrostatic Discharge immunity EC 61000 4 3 2002 Radiated Electromagnetic Field immunity To maintain the safety emission and immunity standards of this declaration the following conditions must be met The host computer peripheral equipment power sources and expansion hardware must be CE compliant Equipment must be operated in a controlled electromagnetic environment as defined by Standards EN 61326 1 2006 or IEC 61326 1 2005 Shielded wires must be used for all I Os and must be less than 3 meters 9 75 feet in length The host computer must be properly grounded The host computer must be USB2 0 compliant A protective ESD wrist strap should be used when connecting or disconnecting leads from screw terminal blocks Note Data acquisition equipment may exhibit noise or increased offsets when exposed to high RF fields gt 1V m or transients Declaration of Conformity based on tests conducted by Chomerics Test Services Woburn MA 01801 USA in January 2007 Test records are outlined in Chomerics Test Report EMI47 12 07 Further testing was conducted by Chomerics Test Services Woburn MA 01801 USA in November 2008 Test records are outlined in Chomerics Test report EMI5 193 08 We hereby declare that the equipment specified conforms to the
29. upport microsoft com kbid 822603 Connecting the USB 3102 to your system To connect the USB 3102 to your system turn your computer on and connect the USB cable to a USB port on your computer or to an external USB hub that is connected to your computer The USB cable provides power and communication to the USB 3102 When you connect the USB 3102 for the first time a Found New Hardware popup balloon Windows XP or dialog other Windows versions appears as the USB 3102 is detected by your computer Found New Hardware K a USB Human Interface Device USB Human Interface Device i Found New Hardware After the USB 3102 is installed the popup balloon or dialog states Your new hardware is installed and ready to use and the power LED should flash and then remain lit This indicates that communication is established between the USB 3102 and your computer i Found New Hardware x Y our new hardware is installed and ready to use Caution Do not disconnect any device from the USB bus while the computer is communicating with the USB 3102 or you may lose data and or your ability to communicate with the USB 3102 11 USB 3102 User s Guide Installing the USB 3102 If the power LED turns off If the power LED is illuminated but then turns off the computer has lost communication with the USB 3102 To restore communication disconnect the USB cable from the computer and then recon
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