USB-1616FS User`s Guide
Contents
1. Board label Signal name Board label Signal name 0 DIO 0 0 GNDO 1 DIO 1 1 GND 1 2 DIO 2 2 GND 2 3 DIO 3 3 GND 3 DIO 4 DIO 4 GND 4 GND 4 5 DIO 5 5 GND 5 6 DIO 6 6 GND 6 7 DIO7 7 GND 7 TRIG IN TRIG IN CTR CTR 5V 5V SYNC SYNC 0 CHO 0 AGND 0 1 CH 1 1 AGND 1 2 CH 2 2 AGND 2 3 CH 3 3 AGND 3 4 CH 3 4 AGND 4 5 CH 4 5 AGND 5 6 CH5 6 AGND 6 7 CH6 7 AGND 7 CHANNEL IN 8 CH8 AGND 8 AGND 8 9 CH 9 9 AGND 9 10 CH 10 10 AGND 10 11 CH 11 11 AGND 11 12 CH 12 12 AGND 12 13 CH 13 13 AGND 13 14 CH 14 14 AGND 14 15 CH 15 15 AGND 15 Analog input terminals CHO IN to CH15 IN You can connect up to 16 analog input connections CHO IN through CH15 IN to the screw terminals labeled Channel IN 0 15 We recommend that you connect unused analog input terminals to ground terminals during operation For example if you are not using CH7 IN connect this terminal to AGND 7 Input configuration All of the analog input channels are configured for single ended input mode Each analog signal is referenced to a signal ground AGND and requires two wires The wire carrying the signal to be measured connects to CH IN The second wire connects to AGND 3 4 USB 1616FS User s Guide Functional Details The input voltage ranges are 10 V 5 V 2 0 V and 1 0 V The followi2. Range Accuracy mV 10 V 5 66 5 V 2 98 2 V 1 31 1 V 0 68 Table 3 Accuracy components all values are Range of Reading Gain Error at FS mV Offset mV 10 V 0 04 4 00 1 66 5 V 0 04 2 00 0 98 2 V 0 04 0 80 0 51 1 V 0 04 0 40 0 28 Table 4 Noise performance Range Typical Counts LSBrms 10 V 10 1 52 45 V 10 1 52 2 V 11 1 67 4 V 14 2 12 Noise distribution is determined by gathering 50 k samples with analog inputs tied to ground AGND at the user connector Samples are gathered at the maximum specified sampling rate of 50 kS s 4 3 USB 1616FS User s Guide Specifications Digital input output Digital type CMOS Number of I O 8 DIOO through DIO7 Configuration Independently configured for input or output Pull up pull down configuration All pins pulled up to USB VBUS via 47 K resistors default Positions available for pull down to ground GND Hardware selectable via zero ohm resistors as a factory option Digital I O transfer rate software paced System dependent 33 to 1000 port reads writes or single bit reads writes per second typ 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 In
3. Connector pin out Board label Signal name Board label Signal name DIO 0 DIO 0 GND 0 GNDO 1 DIO 1 1 GND 1 2 DIO 2 2 GND 2 3 DIO 3 3 GND 3 4 DIO 4 4 GND 4 5 DIO 5 5 GND 5 6 DIO 6 6 GND 6 7 DIO 7 7 GND 7 TRIG IN TRIG IN CTR CTR 5V 5V SYNC SYNC CHANNEL IN 0 CHO AGND 0 AGND 0 1 CH 1 1 AGND 1 2 CH2 2 AGND 2 3 CH3 3 AGND 3 4 CH3 4 AGND 4 5 CH 4 5 AGND 5 6 CH 5 6 AGND 6 7 CH 6 7 AGND 7 8 CH 8 8 AGND 8 9 CH 9 9 AGND 9 10 CH 10 10 AGND 10 11 CH 11 11 AGND 11 12 CH 12 12 AGND 12 13 CH 13 13 AGND 13 14 CH 14 14 AGND 14 15 CH 15 15 AGND 15 4 7 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 1616FS to which this declaration 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
4. A 32 bit counter can count TTL pulses A SYNC synchronization control line lets you synchronize two USB 1616FS modules to acquire data synchronously from 32 analog inputs The USB 1616FS is powered by an external 9 V unregulated power supply that is shipped with the board Power and USB connectors let you power and control multiple MCC USB Series products from one external power source and one USB port in a daisy chain fashion The USB 1616FS is enclosed in a rugged housing that you can mount on a DIN rail or on a bench Figure 1 1 W Figure 1 1 USB 1616FS 1 1 USB 1616FS User s Guide Introducing the USB 1616FS USB 1616FS block diagram USB 1616FS functions are illustrated in the block diagram shown here Screw terminal I O connector Cal Ref Voltages Temp Sensor 6 G 1 2 5 10 32 bit Event Counter 1 channel SPI Full speed USB 2 0 Compliant Interface USB Microcontroller SYNC TRIG_IN Screw terminal I O connector Figure 1 2 USB 1616FS functional block diagram 1 2 USB 1616FS User s Guide Introducing the USB 1616FS Software features For information on the features of JnstaCal and the other software included with your USB 1616FS refer to the Quick Start Guide that shipped with your device The Quick Start Guide is also available in PDF at www mecdag com PDFmanuals DAQ Software Quick Start pdf Check www mccdag com download htm for the latest softw
5. computer You can repeat this procedure until you have the total number of samples that you want from any one channel The maximum throughput sample rate in software paced mode is about 250 S s but may vary depending on your system Continuous scan mode You can acquire data from up to 16 channels simultaneously in continuous scan mode The analog data is continuously acquired converted to digital values and written to an on board FIFO buffer on the USB 1616FS until you stop the scan The FIFO buffer is serviced in blocks as the data is transferred from the USB 1616FS FIFO buffer to the memory buffer on your computer You can acquire data with the USB 1616FS from one channel at 50 kS s and up to 16 channels at 9 5 kS s each Table 1 on page 4 2 lists the throughput rates for 1 to 16 channels You can start a continuous scan with either a software command or with an external hardware trigger event Burst scan mode In burst scan mode you can acquire data with the USB 1616FS using the full capacity of its 32K sample FIFO The acquired data is then read from the FIFO and transferred to a user memory buffer on the computer You can initiate a single acquisition sequence for any number of input channels by either a software command or an external hardware trigger Burst scans are limited to the depth of the on board memory as the data is acquired at a rate faster than it can be transferred to the computer The maximum sampling rate is an aggrega
6. connected to a computer and to the external power source The USB 1616FS already connected to the computer is referred to as the connected module The USB 1616FS 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 2 Connect the USB OUT connector on the connected module to the USB IN connector on the new module 3 For each additional module you want to add repeat steps 1 2 with the module you just daisy chained now being the connected module A daisy chain system is shown in Figure 3 7 USB port to POWER OUT POWER OUT USB IN to POWER IN to ROWER IN USB OUT to USB IN USB OUT to USB IN Ate CB PWR 9V3A p O _ supply E a to POWER IN Figure 3 7 USB 1616FS daisy chain connections 3 7 USB 1616FS User s Guide Functional Details Sample rate limitations when using multiple USB 1616FS devices The maximum sample rate when using multiple USB 1616FS boards is system dependent Multiple board performance is limited by an overall aggregate sample rate The maximum throughput is in number of samples taken per second The rate is irrespective of the number of channels sampled or the number of boards installed The maximum sample rate of any one channel is limited to 50 KS s The typical limiting factor for throughput is CPU usage At maximum system throughput virtuall
7. 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 111 Table of Contents Preface About this User s Guide ici A aada a ce ee setae cee aE aaae anne eae vi What you will learn from this user s guide 0 0 0 eceeccescceseceseceeesecusecssecaaecaeecseeeneeaceaeeescenseceeceaecnaeeaecaaecaeeeaes vi Conventions in this user s guide ccceeccesseescessceesceeceseceseceaecsaecaeecaeecaeeecesaesseeeseseseeeenseenseeeseceaecaecnaeceeeaeeenes vi Where to find more information cccccececsseesseeseeeseeeeceeeceseceseesecnaeceaecseecaeecaeseaeeeeeeesseeneeeesecaecaecaeceecaeeeaes vi Chapter 1 Introducing the USB 1616FS csceccsssseeeseseeeeeeeseeeseseeeneeseseeeeeeesesneeseseseeeseseseeesesesneeseseseneeensenaeens Overview USB 1616FS features E E E A E E E EEA USB 1616ES block dia grat c 3 ccc n de ad ae a A E oe ee a E ee ee Software features etilo tte cr Lets lc e li se fran tetas lll cc Gee Connecting a USB 1616FS to your computer is easy Chap
8. memory Number of Input Channels Per channel Throughput kS s Note 2 50000 50000 36000 30000 25000 22000 19000 17000 15000 10 14000 12500 12 12000 13 11250 14 10500 15 10000 16 9500 OIII AJIN AR Note 2 The throughput data in Table 1 applies to a single USB 1616FS device installation only Maximum throughput scanning to PC memory is highly machine dependent The rates specified in Table 1 is for Windows XP only The maximum throughput rates on operating systems that predate Windows XP may be less and must be determined through testing on your machine Multiple board throughput The USB 1616FS has an integral USB hub which allows up to four USB 1616FS boards to be daisy chained and connected to a single USB 2 0 port on the host computer The data shown in Table 1 reflects the throughput that can be expected in single board systems The transfer of USB 1616FS data over the USB bus is very CPU intensive The transfer rate using multiple USB 1616FS boards is both CPU intensive and system dependent This makes it impossible for us to provide a guaranteed spec for multi board maximum sample rate However the benchmark performance shown below should serve as a guide for what you may expect Multiple board performance is limited by an overall aggregate sample rate The maximum throughput will be in number of samples taken per second irrespective of the number
9. notified in advance of the possibility of such damages HM USB 1616FS doc 11 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 life support systems and or
10. 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 USB B connector Input USB device type USB 2 0 full speed Use of multiple USB 1616FS boards requires a USB 2 0 hub 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 downstream A B cable UL type AWM 2527 or equivalent min 24 AWG VBUS GND min 28 AWG D D USB cable length 3 meters max Environmental Operating temperature range 0 to 70 C Storage temperature range 40 to 85 C Humidity 0 to 90 non condensing Mechanical Card dimensions 203 2 mm L x 121 9 mm W x 20 0 mm H 8 0 L x 4 8 W x 0 8 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 4 6 USB 1616FS User s Guide Specifications Screw terminal connector Connector type Screw terminal Wire gauge range 14 AWG to 30 AWG
11. terminal Daisy chaining additional modules to the USB 1616 S oooonnonicniccccoccnononcnononnnnnconcnnonncononononn nn nonncnnonncnncnnnnnos Sample rate limitations when using multiple USB 1616FS devices Power limitations when using multiple USB 1616FS devices eeessssesseeeseceseeecseeecseeecseesccseesecacsaseecsaveesneveeeaeeas NN NO NN A E O AO Synchronizing multiple Units dd ei iv USB 1616FS User s Guide Chapter 4 IPecifICAtIONS iia Airbed lo IPUR e oi Arda Adidas SN RCN Multiple board throughput Throughput benchmarks Usar A A A A A as Digital PU UN a eel e e ae eats External tiger A an ens A Re eee Re A ee ee External clock Input cuss ovaedeseduce cnauanhsuueeende sucht aE EKER a aara E NEN Est 4 4 COU as ccsc A A A A AA AA 4 5 Me ii ate R 4 5 Microcar ads 4 5 NS A O NOOO 4 5 USB HSV lr da aas 4 5 External po WA ed o ed Guid ben tales E S 4 6 External PO AI ROLNI 1 AA EE E E E A toca thes heehee E E 4 6 USB speciticatiOOS taaan E E ceo e E E E A apes ios dos 4 6 Environmental at dt dd dt dl a E e ls cos de 4 6 Medal odos 4 6 Screw terminal connect A ae te da 4 7 Connector prinout 2d A e a SA Hi A elos 4 7 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 1616FS so that you get the most out of its analog and digital I O features This user s guide also refers you to related documents available on o
12. with cbAInScan AInScan for the slave USB 1616FS to enable external pacer clock input An example of a master slave configuration is shown below Set the Universal Library Master i Slave EXTCLOCK option with USB 1616FS USB 1616FS cbAInScan AlnScan for the slave USB 1616FS Configure the Configure the SYNC pin SYNC pin for output for input Figure 3 12 Configuring for synchronous data acquisition When you are operating one USB 1616FS do not set the EXTCLOCK option unless you are using an external clock for A D pacing Chapter 4 Specifications Typical for 25 C unless otherwise specified Specifications in italic text are guaranteed by design Analog input Parameter Conditions Specification A D converters 16 bit SAR type Number of channels 16 single ended Input configuration Individual A D per channel Sampling method Simultaneous Absolute maximum input CHx IN to GND 15 V max voltage Input impedance 100 MOhm min Input bandwidth 3 dB 50 kHz typ Input leakage current 1 pA typ Input capacitance 50 pf typ Offset temperature drift 15 ppm C typ Gain temperature drift All ranges 35 ppm C typ Input ranges Software selectable 10 V 5 V 2 V 1 V Sampling rate Scan to PC memory 0 6 S s to 50 kS s software programmable Burst scan to 32 k sample FIFO 20 S s to 50 kS s soft
13. DIO4 reads TRUE 1 If you move the switch to the GND position DIO4 reads FALSE 0 3 5 USB 1616FS User s Guide Functional Details Figure 3 5 Digital connection DIO4 detecting the state of a switch DIO4 gt IM GND 5V Figure 3 6 Schematic showing switch connection to digital channel DIO4 For more information on digital signal connections For general information regarding digital signal connections and digital I O techniques refer to the Guide to Signal Connections available on our web site at www mccdaq com signals signals pdf Power terminals The 5V terminal labeled 5V draws power from either the USB connector VBUS terminal or the external power supply Caution The 5V terminal is an output Do not connect to an external power supply or you may damage the USB 1616FS and possibly the computer The maximum amount of 5 V current from the 5 V terminal is limited to 50 mA Ground terminals The USB 1616FS has 16 analog ground connections AGND 0 to 15 and eight digital ground connections GND 0 to 7 The analog ground connections provide a common ground for the analog input channels The ground connections provide a common ground for the DIO 0 to DIO 7 TRIG IN CTR SYNC and VDC connections Counter terminal The CTR terminal CTR is a TTL level input to a 32 bit event counter The internal counter increments when the TTL level transitions from low to high The counter can count f
14. 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 February 2005 Test records are outlined in Chomerics Test Report EMI4133 05 We hereby declare that the equipment specified conforms to the above Directives and Standards a hogea 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
15. Ideal 1 66mV 4mvV Output Code Ideal 1 66mV 4mV gt Ideal gt 10V Ideal 1 66mV 4mV gt Figure 3 11 USB 1616FS error band plot USB 1616FS User s Guide Functional Details Gain queue The USB 1616FS gain queue allows you to set up a different gain setting for each channel The gain queue removes the restriction of having a single gain for all channels This feature creates a gain list which is written to local memory on the USB 1616FS The gain list is made up of a channel number and range setting An example of a 16 element list is shown in Table 3 4 Table 3 4 Sample gain queue list Element Channel Range 0 CHO BIP10V 1 CH1 BIP5V 2 CH2 BIP10V 3 CH3 BIPIV 4 CH4 BIP2V 5 CH5 BIP10V 6 CH6 BIPIV 7 CH7 BIPSV 8 CH8 BIP2V 9 CH9 BIPIV 10 CH10 BIP2V 11 CH11 BIPSV 12 CH12 BIP10V 13 CH13 BIP2V 14 CH14 BIPIV 15 CH15 BIP10V Note that the gain queue must contain 16 elements that include all 16 channels You must carefully match the gain to the expected voltage range on the associated channel otherwise an over range condition can occur Although this condition does not damage the USB 1616FS it does produce a useless full scale reading It can also introduce a long recovery time due to saturation of the input channel Synchronizing multiple units You can connect the SYNC pin of two USB 1616FS units together in a master slave configuration a
16. USB 1616FS USB based Analog Input and Digital I O Module User s Guide MEASUREMENT COMPUTING USB 1616FS USB based Analog and Digital I O User s Guide A AY MEASUREMENT COMPUTING Document Revision 6 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 promptly Lifetime Hars
17. ain nonlinearity The primary error sources in the USB 1616FS are offset and gain Nonlinearity is small in the USB 1616FS and is not significant as an error source with respect to offset and gain Figure 3 8 shows an ideal error free USB 1616FS transfer function The typical calibrated accuracy of the USB 1616FS is range dependent as explained in Chapter 4 Specifications We use a 10V range as an example of what you can expect when performing a measurement in this range 3 8 USB 1616FS User s Guide Functional Details The accuracy plot in Figure 3 8 is drawn for clarity and is not drawn to scale Input Voltage x Output Code 32768 65535 10V Figure 3 8 Ideal USB 1616FS transfer function The USB 1616FS offset error is measured at mid scale Ideally a zero volt input should produce an output code of 32768 Any deviation from this is an offset error Figure 3 9 shows the USB 1616FS transfer function with an offset error The typical offset error specification for the USB 1616FS on the 10 V range is 1 66 mV Offset error affects all codes equally by shifting the entire transfer function up or down along the input voltage axis The accuracy plots in Figure 3 9 are drawn for clarity and are not drawn to scale Input Voltage 532768 1 66mV Output Code A 65535 10V Figure 3 9 USB 1616FS transfer function with offset error Gain error is a change in the slope of the transfer function from
18. ardware Contact technical support if your system still does not detect the USB 1616FS 2 3 USB 1616FS User s Guide Installing the USB 1616FS Removing USB 1616FS boards from Windows XP systems Device Manager may require up to 30 seconds to detect the removal of a USB 1616FS board from a Windows XP system with Service Pack 1 or Service Pack 2 installed This time increases with each additional connected board If you remove four boards from your system the time required for Device Manager to update may be almost two minutes If you re attach the USB 1616FS to your system before Device Manager updates the USB LED will not light Your system will not detect that new hardware is installed until Device Manager first detects that hardware has been removed The nstaCal software will be unresponsive during this re detection time Wait until Device Manager updates with the new hardware before running JnstaCal The USB 1616FS has been detected by the system when the USB LED on the USB 1616FS is illuminated 2 4 Chapter 3 Functional Details Theory of operation analog input acquisition modes The USB 1616FS can acquire analog input data in three basic modes software paced continuous scan and burst scan Software paced mode You can acquire one analog sample at a time in software paced mode You initiate the A D conversion by calling a software command The analog value is converted to digital data and returned to the
19. are version or versions of the software supported under less commonly used operating systems Connecting a USB 1616FS to your computer is easy Installing a data acquisition device has never been easier The USB 1616FS relies upon the Microsoft Human Interface Device HID class drivers The HID class drivers ship 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 1616FS No third party device driver is required The USB 1616FS is plug and play There are no jumpers to position DIP switches to set or interrupts to configure You can connect the USB 1616FS 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 your 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 Make sure that you have the latest Windows Updates installed for your USB driver particularly XP Hotfix KB822603 Chapter 2 Installing the USB 1616FS What comes w
20. eb site at www mcecdag com signals signals pdf MCC s Universal Library User s Guide is available on our web site at www mcecdag 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 MCC s Universal Library for LabVIEW User s Guide is available on our web site at www mecdag com PDFmanuals SM UL LabVIEW pdf USB 1616FS User s Guide this document is also available on our web site at www mcecdag com PDFmanuals USB 1616FS pdf vi Chapter 1 Introducing the USB 1616FS Overview USB 1616FS features This user s guide contains all of the information you need to connect the USB 1616FS to your computer and to the signals you want to measure The USB 1616FS is a USB 2 0 full speed device supported under popular Microsoft Windows operating systems The USB 1616FS provides true simultaneous sampling of up to sixteen 16 bit single ended analog inputs Simultaneous input sampling is accomplished through the use of one A D converter per channel The module features sampling rates of up to 50 kS s per channel and up to 9500 S s per channel throughput for all channels Y ou can configure the analog input range of each channel independently via software An on board temperature sensor lets you monitor your environment temperature Eight digital IO lines are independently selectable as input or output
21. ff Input power is not supplied or a power fault has occurred A power fault occurs when the input power falls outside of the specified voltage range USB VBUS 5 V 4 75 V to 5 25 V External power 9 V 6 0 V to 12 5 V Screw terminal wiring The USB 1616FS has two rows of screw terminals Each row has 26 connections Signal labels are shown in Figure 3 2 Sa TE i rar rear Figure 3 2 USB 1616FS screw terminals 3 3 USB 1616FS User s Guide Functional Details The screw terminals provide the following connections eight digital I O terminals DIO 0 to DIO 7 one external digital trigger terminal TRIG IN one power terminal 5V eight ground terminals GND 0 to 7 one external event counter terminal CTR one terminal for external clocking and multi unit synchronization SYNC 16 analog input terminals CHANNEL IN 0 to 15 16 analog ground terminals AGND 0 to 15 Use 14 AWG to 30 AWG wire for your signal connections 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 Each screw terminal is identified with a label on the board and on the underside of the enclosure lid Refer to Table 3 3 for the signal name associated with each board label Table 3 3 Board labels and associated signal names
22. h 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 Computing Corporation has been
23. ils External power connectors The USB 1616FS has two external power connectors labeled POWER IN and POWER OUT on the enclosure The POWER IN connector is labeled IN on the board and the POWER OUT connector is labeled OUT on the board To supply external power connect the POWER IN connector to the supplied 9 V external power supply CB PWR 9V3A The POWER OUT connector lets you power additional daisy chained MCC USB Series products from a single external power supply The C MAPWR x cable is available from MCC to connect additional MCC USB Series products USB LED The USB LED indicates the communication status of the USB 1616FS This LED uses up to 5 mA of current and cannot be disabled Table 3 1 explains the function of the USB LED Table 3 1 USB LED Illumination USB LED Indication illumination Steady green The USB 1616FS is connected to a computer or external USB hub Blinks continuously Initial communication is established between the USB 1616FS and the computer or data is being transferred PWR LED The USB 1616FS incorporates an on board voltage supervisory circuit that monitors the USB VBUS 5V and the external 9 V power supply If the input voltage falls outside of the specified ranges the PWR LED shuts off see Table 3 2 Table 3 2 PWR LED Illumination PWR LED Indication illumination Steady green USB 5 V power or 9 V external power is supplied to the USB 1616FS O
24. ith your USB 1616FS shipment The following items are shipped with the USB 1616FS Hardware USB 1616FS USB cable 24 AWG VBUS GND 2 meter length External power supply and cord CB PWR 9V3A 9 volt 3 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 mcecdag com PDFmanuals DAQ Software Quick Start pdf This booklet supplies a brief description of the software you received with your USB 1616FS and information regarding installation of that software Please read this booklet completely before installing any software or hardware 2 1 USB 1616FS User s Guide Installing the USB 1616F S Unpacking the USB 1616FS As with any electronic device you should take care while handling to avoid damage from static electricity Before removing the USB 1616FS 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 1616FS arrives already damaged notify Measurement Computing Corporation immediately by phone fax or email For international customers contact your local distributor where you purchased the USB 1616FS Phone 508 946 5100 and follow the instructions for reaching Tech Support Fax 508 946 9500 to the attention of Tech Support Email techsupport mccdaq com Installing the
25. nd acquire data synchronously from 32 channels When the SYNC pin is configured as an output the internal A D pacer clock signal is present at the screw terminal You can output the A D pacer clock to the SYNC pin of a second USB 1616FS configured for A D pacer input You set the function of the SYNC pin pin 42 for pacer input or pacer output by using nstaCal By default the SYNC pin is set for pacer input To synchronize a master USB 1616FS with a slave USB 1616FS and acquire data from 32 channels follow the steps below 1 Run nstaCal 2 Double click on the USB 1616FS listing on the PC Board List on the InstaCal main window The Board Configuration dialog displays 3 Configure the SYNC pin of the master USB 1616FS for pacer output o Double click on the USB 1616FS that you want to configure as the master The Board Configuration dialog displays o Click to select the Enable Sync output check box and then click OK Y Enable SYNC output 3 11 USB 1616FS User s Guide Functional Details 4 Configure the SYNC pin of the slave USB 1616FS for pacer input o Double click on the USB 1616FS that you want to configure as the slave The Board Configuration dialog displays o Make sure that the Enable Sync output check box is not checked unchecked is the default setting Enable SYNC output 5 Connect the SYNC pin of the master USB 1616FS to the SYNC pin of the slave USB 1616FS 6 Set the Universal Library EXTCLOCK option
26. ng image illustrates a typical single ended measurement connection Figure 3 3 Single Ended measurement connection The following image shows the single ended measurement data acquired by TracerDAQ s strip chart El Data Acquisition TracerDAQ TracerDAQ olx al Fie Edt Run Help 181x aji EA Acquisition Rate secs sample 1 0 a Set Rate Number of points displayed 10 a 10 seconds Using a rate faster than 1 sec sample may lead to timing inaccuracies ETT Zoom Ort Figure 3 4 TracerDAQ showing single ended measurement data For more information on analog signal connections For more information on single ended inputs refer to the Guide to Signal Connections this document is available on our web site at www mccdaq com signals signals pdf Digital I O terminals DIOO to DIO7 You can connect up to eight digital I O lines to the screw terminals labeled DIO 0 to DIO 7 You can configure each digital bit for either input or output All digital I O lines are pulled up to USB 5V with a 47 K resistor default You can request the factory to configure the resistors for pull down to ground if desired When you configure the digital bits for input you can use the USB 1616FS digital I O terminals to detect the state of any TTL level input Refer to the switch circuit shown in Figure 3 5 and the schematic shown in Figure 3 6 If you set the switch to the 5V position
27. ng the USB 1616FS that was shipped with the USB 1616FS If you are running Windows XP and connect the USB 1616FS 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 1616FS will function properly when connected to a USB 1 1 port although USB bandwidth is limited After the USB 1616FS is installed the USB LED remains lit to indicate that communication is established between the USB 1616FS and your computer If the USB LED turns off If the USB LED is illuminated but then turns off the computer has lost communication with the USB 1616FS To restore communication disconnect the USB cable from the computer and then reconnect it This should restore communication and the USB LED should turn back on Caution Do not disconnect any device from the USB bus while the computer is communicating with the USB 1616FS or you may lose data and or your ability to communicate with the USB 1616FS If your system does not detect the USB 1616FS If a USB device not recognized message appears when you connect the USB 1616FS do the following 1 Unplug the USB cable from the USB 1616FS Unplug the external power cord from the POWER IN connector on the enclosure Plug the external power cord back into the POWER IN connector m e a Plug the USB cable back into the USB 1616FS Your system should now properly detect the USB 1616FS h
28. of channels 1 Input type TTL rising edge triggered Resolution 32 bits Counter timer read write rates software paced Counter Read System dependent 33 to 1000 reads per second Counter Clear System dependent 33 to 1000 writes per second Schmidt trigger hysteresis 20 mV to 100 mV Input leakage current uA Maximum input frequency 1 MHz High pulse width 500 ns min Low pulse width 500 ns min Input low voltage 1 0 V min 0 5 V max Input high voltage 4 0 V min 5 5 V max Memory Data FIFO 32 768 samples 65 536 bytes EEPROM 1 024 bytes EEPROM configuration Address range Access Description 0x000 0x07F Reserved 128 bytes system data 0x080 0x1FF Read Write 384 bytes calibration data 0x200 0x3FF Read Write 512 bytes user area Microcontroller Type High performance 8 bit RISC microcontroller Program memory 16 384 words Data memory 2 048 bytes Power Parameter Conditions Specification Supply current USB enumeration lt 100 mA Supply current Note 5 Continuous mode 350 mA typ User 5 V output voltage range Note 6 Available at terminal block pin 48 4 0 V min 5 25 V max User 5V output current Note 7 Available at terminal block pin 48 50 mA max Note 5 This is the total current requirement for the USB 1616FS which includes up to 10mA for the status LED s Note 6 Out
29. of channels sampled or number of boards installed For example if the maximum throughput in a system is 150 000 samples per second you may sample 20 channels at 7 5 kS s 30 channels at 5 kS s 40 channels at 3 75 kS s etc the maximum sample rate of any one channel is limited to 50 KS s 4 2 USB 1616FS User s Guide Specifications Throughput benchmarks Throughput System 240 kS s 2 4 GHz P4 running Win XP Service Pack 2 using an integrated USB Enhanced Host Controller EHC port 240 kS s 2 4 GHz P4 Phoenix BIOS Win XP Service Pack 2 integrated USB EHC port 130 kS s 2 GHz Xeon Win XP Service Pack 2 hyperthreading turned OFF using an integrated USB EHC port 220 kS s 2 GHz Xeon Win XP Service Pack 2 hyperthreading turned ON using an integrated USB EHC port 260 kS s 2 4 GHz P4 running Win XP Service Pack 1 using Belkin PCI bus USB 2 0 card 250 kS s 2 4 GHz P4 running Win XP Service Pack 1 using StarTec PCI bus USB 2 0 card Usage note The typical limiting factor on throughput is CPU usage At maximum system throughput virtually all available CPU power will be consumed by the USB data transfer This is an important note since running your system close to its maximum throughput will certainly limit the amount of CPU power available for running other concurrent processes for example plotting or real time analysis Table 2 Calibrated absolute accuracy
30. put External trigger Parameter Conditions Specification Trigger source Note 3 External digital TRIG_IN Trigger mode Software selectable Edge Sensitive user configurable for CMOS compatible rising default or falling edge Trigger latency 10 us max Trigger pulse width 1 us min Input high voltage 4 0 V min 5 5 V absolute max Input low voltage 1 0 V max 0 5 V min Input leakage current 1 0uA Note 3 TRIG_IN is a Schmitt trigger input protected with a 1 5 k Ohm series resistor External clock input output Parameter Conditions Specification Pin name SYNC Pin type Bidirectional Software selectable direction Output Outputs internal A D pacer clock Input Receives A D pacer clock from external source Rising edge sensitive Input clock rate 50 kHz maximum Clock pulse width Input 1 us min Output 5 us min Input leakage current 1 0 uA 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 4 IOH 2 5 mA 3 3 V min No load 3 8 V min Output low voltage Note 4 IOL 2 5 mA 1 1 V max No load 0 6 V max Note 4 SYNC is a Schmitt trigger input and is over current protected with a 200 Ohm series resistor 4 4 USB 1616FS User s Guide Specifications Counter Pin name CTR Counter type Event counter Number
31. put voltage range assumes input power supply voltage is within specified limits Note 7 This refers to the total amount of current that can be sourced from the 5 V screw terminal pin 48 for general use This spec includes any additional contribution due to DIO loading USB 5 V voltage Parameter Conditions Specification USB 5V VBUS input voltage range 4 75 V min to 5 25 V max 4 5 USB 1616FS User s Guide Specifications External power input Parameter Conditions Specification External power input 6 0 VDC to 12 5 VDC 9 VDC power supply included Voltage supervisor limits PWR LED 6 0 V gt Vext or Vext gt 12 5 V PWR LED Off power fault Note 8 6 0 V lt Vext lt 12 5 V PWR LED On External power adapter included MCC p n CB PWR 9V3A 9 V 10 3 A Note 8 The USB 1616FS 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 Parameter Conditions Specification External power output current range Note 9 4 0 A max External power output Voltage drop between power input 0 5 V max and daisy chain power output Compatible cable s for daisy chain C MAPWR x X 2 3 or 6 feet Note 9 The daisy chain power output option allows multiple MCC USB Series products to be
32. requencies of up to 1 MHz 3 6 USB 1616FS User s Guide Functional Details Trigger terminal The trigger terminal TRIG IN is an external digital trigger input You can configure this terminal with software for either rising default or falling edge SYNC terminal The SYNC terminal is a bidirectional I O signal that you can use for two purposes Configure as an external clock input to externally clock the A D conversions The SYNC terminal supports TTL level input signals Configure as an output to synchronize with a second USB 1616FS and acquire data from 32 channels Refer to the pinout diagram on page 3 4 for the location of this pin For more information refer to Synchronizing multiple units on page 3 11 Daisy chaining additional modules to the USB 1616FS Daisy chained MCC USB Series products connect to the USB bus through the high speed hub on the USB 1616FS You can daisy chain a maximum of four MCC USB Series products to a single USB 2 0 port on your computer or a maximum of two devices to a single USB 1 1 port Use the supplied cable or an equivalent cable for daisy chaining to additional MCC USB Series products MCC USB Series products are USB 2 0 full speed devices that provide a signaling bit rate of 12 Mb s The throughput rate is shared by all devices connected to the USB bus To daisy chain two or more USB 1616FS modules follow the steps below This procedure assumes you already have one USB 1616FS
33. 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 mccdaq com PDFmanuals DA Q Software Quick Start pdf Installing the USB 1616FS Before you connect the USB 1616FS to your computer 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 2 0 port on your computer If your system has a USB 1 1 port you can connect up to two MCC USB Series products Connecting the external power supply Power to the USB 1616FS is provided with the 9 V external power supply CB PWR 9V3A You must connect the external power supply before connecting the USB cable to the USB 1616FS and your computer To connect the power supply to your USB 1616FS do the following 1 Connect the external power cord to the POWER IN connector on the rear of the USB 1616FS enclosure This connector is labeled IN on the board 2 Plug the power supply into a power outlet The PWR LED illuminates green when 9 V power is supplied to the USB 1616FS If the voltage supply is less than 6 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 OUT on the board is used to provide power to an additional MCC USB Series produc
34. t If you connect the external power supply to the POWER OUT connector the USB 1616FS does not receive power and the PWR LED does not illuminate 2 2 USB 1616FS User s Guide Installing the USB 1616F S Connecting the USB 1616FS to your system To connect the USB 1616FS to your system do the following 1 Connect the USB cable that was shipped with the device to the USB connector labeled USB IN on the USB 1616FS The USB cable supplied with the USB 1616FS has a higher gauge wire than generic USB cables and is required for proper enumeration of the USB 1616FS 2 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 PWR LED illuminates green The USB cable provides power and communication to the USB 1616FS The USB 1616FS installs as a composite device with separate devices attached When you connect the USB 1616FS for the first time Found New Hardware popup balloons Windows XP or dialogs other Windows versions display as each USB 1616FS interface is detected The USB LED blinks and then remains lit during this enumeration Found New Hardware USB Composite Device S eae i Found New Hardware x Windows has found new hardware and is locating the software for it It is normal for multiple dialogs to appear when you connect the USB 1616FS for the first time For additional information refer to the Notes on installing and usi
35. te rate where the total acquisition rate for all channels is 200 kS s divided by the number of channels The maximum rate for each channel is 50 kS s The maximum rate that you can acquire data using burst scan mode is 50 kS s per channel for one two or four channels and 12 5 kS s per channel for 16 channels 3 1 USB 1616FS User s Guide Functional Details Internal components Major components on the USB 1616FS are shown in Figure 3 1 Two 2 USB connectors Two 2 external power connectors USB LED PWR LED Four 4 Screw terminal banks USB IN POWER IN USB POWER OUT OUT ASON S USB 1616FS _ _aeepe m A A l 10 11 12 E 14 15 1 0 screw terminal connectors I O screw terminal connectors Figure 3 1 USB 1616FS module components USB OUT connector The USB OUT 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 The USB out connector is labeled USB OUT on the enclosure and on the board For information on daisy chaining to other MCC USB Series products refer to Daisy chaining additional modules to the USB 1616FS on page 3 7 USB IN connector Connect the USB IN connector to the USB port on your computer or USB hub connected to your computer The USB in connector is labeled USB IN on the enclosure and on the board 3 2 USB 1616FS User s Guide Functional Deta
36. ter 2 Installing the USB 1616ES cutis ratones 2 1 What comes with your USB 1616FS shipment doocoococinonincnonnnoncconconncnnnonncon cnn nono nonn ron ron n rro nro rro n rro nn rn nrnn rra 2 1 Hardware Additional documentation iia A A SA UNA A Aida Unpacking the USB 1616 S 00 0 ecceeseesceseceeeceeensecesecaecsaecaaecaeecaeeeneeaeseeseessecseseeeaeeeseenseeeeecneeeeeeneeess Installing the software gi E A E E eels alss E E Soe ee 8 EE EN oe eo Installing the USB 1G6LGES c2 2 cc5s 2 cie sens sonsepoetiesc eben tobehsasedvsatadanlapses ca Connecting the external power supply Connecting the USB 1616FS to your SyStei cccceeccesscsseesceeecesecseeesceseceaecneeeseeseesecsaecseesecseceaecaeeeeessecaaecaeeeeeeaeeaeeneees 2 3 Chapter 3 Functional Detalls eon aa ia 3 1 Theory of operation analog input acquisition modes Software paced mode c oooococococonocococonccononononnno nooo nonnnonnconocn conocio Continuous scan mode Burst scan MOdS oooooonoccncnnocconcnononnnonncononnnonncnnncnnconconnonnno tc do ol een eto do le les sites e o la oe o USB OUT CONNEC COL vrai E ANE ov AEA ENESE ERA AAAS AEO AETA Screw terminal WilTDB ocooononinononnnoconcncnnconacnonns Analog input terminals CHO IN to CH15 IN Digital I O terminals DIOO to DIO7 Power terminals cccceeseeseeseeeeeees ee Ground AAA RN Counter termal A AI IA ete eee deletes Trigger terminal SYNC
37. the ideal and is typically expressed as a percentage of full scale Figure 3 10 shows the USB 1616FS transfer function with gain error Gain error is easily converted to voltage by multiplying the full scale input 10 V by the error 3 9 USB 1616FS User s Guide Functional Details The accuracy plots in Figure 3 10 are drawn for clarity and are not drawn to scale Input Voltage Gain error 0 04 or 4mV Gain error 0 04 or 4mV 10V seal ay Actual Output Code 32768 65535 10V Figure 3 10 USB 1616FS transfer function with gain error For example the USB 1616FS exhibits a typical calibrated gain error of 0 04 on all ranges For the 10 V range this would yield 10 V x 0 0004 4 mV This means that at full scale neglecting the effect of offset for the moment the measurement would be within 4 mV of the actual value Note that gain error is expressed as a ratio Values near FS 10 V are more affected from an absolute voltage standpoint than are values near mid scale which see little or no voltage error Combining these two error sources in Figure 3 11 we have a plot of the error band of the USB 1616FS at full scale 10 V This plot is a graphical version of the typical accuracy specification of the product The accuracy plots in Figure 3 11 are drawn for clarity and are not drawn to scale Input Voltage Ideal 1 66mV 4mV ldeal
38. ur 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 lt tt gt 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 JnstaCal 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 1616FS MCC s Specifications USB 1616FS the PDF version of the Specifications chapter in this guide is available on our web site at www meccdaq com pdfs USB 1616FS pdf MCC s Quick Start Guide is available on our web site at www mccdag com PDFmanuals DAQ Software Quick Start pdf MCC s Guide to Signal Connections is available on our w
39. ware programmable Throughput Software paced 30 500 S s all channels throughput is system dependant Scan to PC memory Refer to the Single Board Throughput and Multiple Board Throughput sections that follow this table Burst scan to 32 k 200 kS s of channels max of 50 kS s for any Sample FIFO channel Gain queue Software configurable Sixteen elements one gain element per channel Resolution 16 bits No missing codes 15 bits Crosstalk De 25 kHz sine 80 dB min Calibration voltages 0 V 40 625 V 1 25 V 2 5 V 5 0 V software selectable Calibration voltage accuracy Note 1 0 5 typ 1 0 max Temperature sensor range 0 C to 70 C max Temperature sensor accuracy 3 C typ Trigger source Software selectable External digital TRIG_IN Note 1 Actual values used for calibration are measured and stored in EEPROM USB 1616FS User s Guide Specifications Single board throughput The USB 1616FS has an integral USB hub which allows up to four USB 1616FS boards to be daisy chained and connected to a single USB 2 0 port on the host computer The data shown in Table 1 reflects the throughput that can be expected in single board systems For details on throughput in systems using multiple USB 1616FS boards please refer to the next section Multiple board throughput Table 1 Single board throughput Scan to PC
40. y all available CPU power is consumed by the USB data transfer When you run your system close to its maximum throughput the amount of CPU power that is available for running other concurrent processes is limited Benchmark performance rates are listed in the Specifications chapter on page 4 2 Power limitations when using multiple USB 1616FS devices When daisy chaining additional MCC USB Series products to the USB 1616FS you must ensure that you provide adequate power to each board that you connect The USB 1616FS is powered with a 9 VDC nominal 3 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 maximum 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 Accuracy The overall accuracy of any instrument is limited by the error components within the system Quite often resolution is incorrectly used to quantify the performance of a measurement product While 16 bits or 1 part in 65536 does indicate what can be resolved it provides little insight into the quality or accuracy of an absolute measurement Accuracy specifications describe the actual measurement that can be relied upon with a USB 1616FS There are three types of errors which affect the accuracy of a measurement system offset g
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