USB-1616FS User`s Guide

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USB-1616FS User`s Guide | Manualzz

USB-1616FS

USB-based Analog and Digital I/O

User's Guide

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:

ƒ To offer the highest-quality, computer-based data acquisition, control, and GPIB hardware and software available—at the best possible price.

ƒ 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 Harsh Environment Warranty®: We will replace any product manufactured by Measurement Computing

Corporation that is damaged (even due to misuse) for only 50% of the current list price. I/O boards face some tough operating conditions

some more severe than the boards are designed to withstand. When a board becomes damaged, just return the unit with an order for its replacement at only 50% of the current list price. We don’t need to profit from your misfortune. By the way, we honor this warranty for any manufacturer’s board that we have a replacement for.

30 Day Money Back Guarantee: You may return any Measurement Computing Corporation product within 30 days of purchase for a full refund of the price paid for the product being returned. If you are not satisfied, or chose the wrong product by mistake, you do not have to keep it. Please call for an RMA number first. No credits or returns accepted without a copy of the original invoice. Some software products are subject to a repackaging fee.

These warranties are in lieu of all other warranties, expressed or implied, including any implied warranty of merchantability or fitness for a particular application. The remedies provided herein are the buyer’s sole and exclusive remedies. Neither

Measurement Computing Corporation, nor its employees shall be liable for any direct or indirect, special, incidental or consequential damage arising from the use of its products, even if Measurement Computing Corporation has been notified in

advance of the possibility of such damages.

HM USB-1616FS.doc ii

Trademark and Copyright Information

TracerDAQ, Universal Library, Harsh Environment Warranty, Measurement Computing Corporation, and the Measurement

Computing logo are either trademarks or registered trademarks of Measurement Computing Corporation.

Windows, Microsoft, and Visual Studio are either trademarks or registered trademarks of Microsoft Corporation

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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

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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 reasonably expected to result in injury.

Measurement Computing Corporation products are not designed with the components required, and are not subject to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of people. iii

Table of Contents

Preface

About this User's Guide ......................................................................................................................vi

What you will learn from this user's guide ........................................................................................................vi

Conventions in this user's guide ........................................................................................................................vi

Where to find more information ........................................................................................................................vi

Chapter 1

Introducing the USB-1616FS............................................................................................................ 1-1

Overview: USB-1616FS features ................................................................................................................... 1-1

USB-1616FS block diagram........................................................................................................................... 1-2

Software features ............................................................................................................................................ 1-3

Connecting a USB-1616FS to your computer is easy..................................................................................... 1-3

Chapter 2

Installing the USB-1616FS................................................................................................................ 2-1

What comes with your USB-1616FS shipment? ............................................................................................ 2-1

Hardware ....................................................................................................................................................................... 2-1

Additional documentation.............................................................................................................................................. 2-1

Unpacking the USB-1616FS .......................................................................................................................... 2-2

Installing the software .................................................................................................................................... 2-2

Installing the USB-1616FS............................................................................................................................. 2-2

Connecting the external power supply ........................................................................................................................... 2-2

Connecting the USB-1616FS to your system................................................................................................................. 2-3

Chapter 3

Functional Details ............................................................................................................................. 3-1

Theory of operation - analog input acquisition modes ................................................................................... 3-1

Software paced mode..................................................................................................................................................... 3-1

Continuous scan mode ................................................................................................................................................... 3-1

Burst scan mode............................................................................................................................................................. 3-1

Internal components ....................................................................................................................................... 3-2

USB OUT connector...................................................................................................................................................... 3-2

USB IN connector.......................................................................................................................................................... 3-2

External power connectors............................................................................................................................................. 3-3

USB LED....................................................................................................................................................................... 3-3

PWR LED...................................................................................................................................................................... 3-3

Screw terminal wiring.................................................................................................................................................... 3-3

Analog input terminals (CH0 IN to CH15 IN)............................................................................................................... 3-4

Digital I/O terminals (DIO0 to DIO7)............................................................................................................................ 3-5

Power terminals ............................................................................................................................................................. 3-6

Ground terminals ........................................................................................................................................................... 3-6

Counter terminal ............................................................................................................................................................ 3-6

Trigger terminal ............................................................................................................................................................. 3-7

SYNC terminal .............................................................................................................................................................. 3-7

Daisy chaining additional modules to the USB-1616FS ................................................................................ 3-7

Sample rate limitations when using multiple USB-1616FS devices .............................................................................. 3-8

Power limitations when using multiple USB-1616FS devices....................................................................................... 3-8

Accuracy......................................................................................................................................................... 3-8

Gain queue.................................................................................................................................................... 3-11

Synchronizing multiple units........................................................................................................................ 3-11

iv

USB-1616FS User's Guide

Chapter 4

Specifications.................................................................................................................................... 4-1

Analog input ................................................................................................................................................... 4-1

Single board throughput................................................................................................................................................. 4-2

Multiple board throughput ............................................................................................................................................. 4-2

Throughput benchmarks ................................................................................................................................................ 4-3

Usage note ..................................................................................................................................................................... 4-3

Digital input/output......................................................................................................................................... 4-4

External trigger............................................................................................................................................... 4-4

External clock input/output............................................................................................................................. 4-4

Counter ........................................................................................................................................................... 4-5

Memory .......................................................................................................................................................... 4-5

Microcontroller............................................................................................................................................... 4-5

Power.............................................................................................................................................................. 4-5

USB +5 V voltage .......................................................................................................................................... 4-5

External power input ...................................................................................................................................... 4-6

External power output .................................................................................................................................... 4-6

USB specifications ......................................................................................................................................... 4-6

Environmental ................................................................................................................................................ 4-6

Mechanical ..................................................................................................................................................... 4-6

Screw terminal connector ............................................................................................................................... 4-7

Connector pin out ........................................................................................................................................... 4-7

v

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 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.

<

#:#>

bold text

italic text

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 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 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 information relevant to the operation of the USB-1616FS.

ƒ MCC's Specifications: USB-1616FS (the PDF version of the Specifications chapter in this guide) is available on our web site at www.mccdaq.com/pdfs/USB-1616FS.pdf

.

ƒ

MCC's Quick Start Guide is available on our web site at www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf

.

ƒ MCC's Guide to Signal Connections is available on our web site at www.mccdaq.com/signals/signals.pdf

.

ƒ MCC's Universal Library User's Guide is available on our web site at www.mccdaq.com/PDFmanuals/sm-ul-user-guide.pdf

.

ƒ MCC's Universal Library Function Reference is available on our web site at

ƒ 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/PDFmanuals/SM-UL-LabVIEW.pdf

.

USB-1616FS User's Guide (this document) is also available on our web site at www.mccdaq.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

® systems.

Windows

®

operating

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.

You 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. 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).

Figure 1-1. USB-1616FS

1-1

USB-1616FS User's Guide

USB-1616FS block diagram

USB-1616FS functions are illustrated in the block diagram shown here.

Screw terminal I/O connector

Introducing the USB-1616FS

G= 1, 2,

5, 10

Cal Ref

Voltages

Temp.

Sensor

32-bit

Event Counter

1 channel

1

SPI

Full-speed

USB 2.0

Compliant

Interface

16

32k x 16

SRAM 16

16

USB

Microcontroller

DIO

8

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 InstaCal 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.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf

.

Check www.mccdaq.com/download.htm

for the latest software version or versions of the software supported under less commonly used operating systems.

Connecting a USB-1616FS to your computer is easy

Installing a data acquisition device has never been easier.

ƒ

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.

ƒ

The USB-1616FS is plug-and-play. There are no jumpers to position, DIP switches to set, or interrupts to configure.

ƒ 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.

ƒ 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.

ƒ

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."

1-3

Installing the USB-1616FS

What comes with your USB-1616FS shipment?

The following items are shipped with the USB-1616FS.

Hardware

ƒ

USB-1616FS

Chapter 2

ƒ USB cable (24 AWG VBUS/GND, 2 meter length)

ƒ 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.mccdaq.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-1616FS

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.

ƒ Phone: 508-946-5100 and follow the instructions for reaching Tech Support.

ƒ Fax: 508-946-9500 to the attention of Tech Support

ƒ Email: [email protected]

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.mccdaq.com/PDFmanuals/DAQ-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 product. 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-1616FS

Connecting the USB-1616FS to your system

To connect the USB-1616FS to your system, do the following.

1.

2.

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.

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.

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 using 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.

3.

Unplug the USB cable from the USB-1616FS.

Unplug the external power cord from the

POWER IN

connector on the enclosure.

4.

5.

Plug the external power cord back into the

POWER IN

connector.

Plug the USB cable back into the USB-1616FS.

Your system should now properly detect the USB-1616FS hardware. 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 InstaCal software will be unresponsive during this re-detection time. Wait until Device Manager updates with the new hardware before running InstaCal. 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 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 aggregate 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

Internal components

Major components on the USB-1616FS are shown in Figure 3-1.

ƒ Two (2) USB connectors

ƒ Two (2) external power connectors

ƒ USB LED

ƒ PWR LED

ƒ Four (4) Screw terminal banks

USB

OUT

USB IN POWER IN

POWER

OUT

Functional Details

PWR LED

USB LED

I/O 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 Details

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 illumination

Steady green

Blinks continuously

Indication

The USB-1616FS is connected to a computer or external USB hub.

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 illumination

Steady green

Off

Indication

USB +5 V power or +9 V external power is supplied to the USB-1616FS.

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:

ƒ USB VBUS (+5 V): 4.75 V to 5.25 V

ƒ 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 .

Figure 3-2. USB-1616FS screw terminals

3-3

USB-1616FS User's Guide Functional Details

The screw terminals provide the following connections:

ƒ

eight digital I/O terminals (

DIO 0

to

DIO 7

)

ƒ one external digital trigger terminal (

TRIG IN

)

ƒ one power terminal (

5V

)

ƒ eight ground terminals (

GND 0

to

7

)

ƒ one external event counter terminal (

CTR

)

ƒ one terminal for external clocking and multi-unit synchronization (

SYNC

)

ƒ 16 analog input terminals (

CHANNEL IN 0 to 15

)

ƒ 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.

Board label

Table 3-3. Board labels and associated signal names

Signal name Board label Signal name

DIO

TRIG IN TRIG IN

GND

CTR CTR

CHANNEL IN AGND

Analog input terminals (CH0 IN to CH15 IN)

You can connect up to 16 analog input connections (

CH0 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:

ƒ The wire carrying the signal to be measured connects to CH# IN.

ƒ 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 following image illustrates a typical singleended measurement connection.

CH1 IN

AGND1

Figure 3-3. Single-Ended measurement connection

The following image shows the single-ended measurement data acquired by TracerDAQ's strip chart.

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 (DIO0 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

3-6 . If you set the switch to the +5V position, DIO4 reads TRUE (1). If you move the switch to the GND

position, DIO4 reads FALSE (0).

Figure 3-5 and the schematic shown in Figure

3-5

USB-1616FS User's Guide Functional Details

Figure 3-5. Digital connection DIO4 detecting the state of a switch

DIO4

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 frequencies 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:

ƒ Configure as an external clock input to externally clock the A/D conversions. The

SYNC

terminal supports

TTL-level input signals.

ƒ 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 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

USB IN

POWER OUT to POWER IN

USB OUT to USB IN

CB-PWR-9V3A supply to POWER IN

POWER OUT to POWER IN

USB OUT to USB 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, virtually 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:

ƒ

offset

ƒ gain

ƒ 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

The accuracy plot in Figure 3-8 is drawn for clarity and is not drawn to scale.

Input Voltage

+10V

Functional Details

0

32768 65535

Output Code

-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

+10V

Ideal

Offset=1.66mV

0

Actual

32768

1.66mV

65535

Output Code

-10V

Figure 3-9. USB-1616FS transfer function with offset error

Gain error is a change in the slope of the transfer function from 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

The accuracy plots in Figure 3-10 are drawn for clarity and are not drawn to scale.

Input Voltage

+10V

Ideal

Gain error = +0.04%, or +4mV

Gain error = -0.04%, or -4mV

Actual

Functional Details

0

32768 65535

Output Code

-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 × ±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 midscale, 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

+10V

Ideal +1.66mV + 4mV

Ideal

Ideal -(1.66mV + 4mV)

0

1.66mV

32768 65535

Output Code

Ideal +1.66mV + 4mV

Ideal

Ideal -(1.66mV + 4mV)

-10V

Figure 3-11. USB-1616FS error band plot

3-10

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 .

Element

0

1

2

3

4

Table 3-4. Sample gain queue list

Channel

CH0

CH1

CH2

CH3

CH4

Range

BIP10V

BIP5V

BIP10V

BIP1V

BIP2V

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 and 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 InstaCal. 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.

2.

Run InstaCal.

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 o

Double-click on the USB-1616FS that you want to configure as the master. The

Board Configuration

dialog displays.

Click to select the

Enable Sync output

check box and then click

OK

.

3-11

USB-1616FS User's Guide Functional Details

4.

Configure the SYNC pin of the slave USB-1616FS for pacer input: o o

Double-click on the USB-1616FS that you want to configure as the slave. The

Board Configuration

dialog displays.

Make sure that the

Enable Sync output

check box is not checked (unchecked is the default setting).

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 with cbAInScan()/AInScan

for the slave USB-1616FS to enable external pacer clock input.

An example of a master/slave configuration is shown below.

Master

USB-1616FS

Configure the

SYNC pin for output

SYNC pin pin 42

Slave

USB-1616FS

Set the Universal Library

EXTCLOCK

option with cbAInScan()/AInScan() for the slave USB-1616FS

Configure the

SYNC pin 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.

3-12

Chapter 4

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Analog input

A/D converters

Number of channels

Input configuration

Sampling method

Absolute maximum input voltage

Input impedance

Input bandwidth (-3 dB)

Input leakage current

Input capacitance

Offset temperature drift

Gain temperature drift

Input ranges

Sampling rate

CHx IN to GND

All ranges

Software selectable

Scan to PC memory

16-bit, SAR type

16 single-ended

Individual A/D per channel

Simultaneous

±15 V max.

100 MOhm, min.

50 kHz typ.

±1 µA typ.

50 pf typ.

15 ppm/°C typ.

35 ppm/°C typ.

±10 V, ±5 V, ±2 V, ±1 V

0.6 S/s to 50 kS/s, software programmable

Burst scan to 32 k sample

FIFO

Software paced

20 S/s to 50 kS/s, software programmable

30 – 500 S/s all channels (throughput is system dependant) Throughput

Gain queue

Resolution

No missing codes

Crosstalk

Calibration voltages

Scan to PC memory

Burst scan to 32 k

Sample FIFO

Dc – 25 kHz (sine)

Refer to the Single Board Throughput and Multiple Board

Throughput sections that follow this table.

= (200 kS/s) / (# of channels), max of 50 kS/s for any channel

Software configurable. Sixteen elements, one gain element per channel.

16 bits

15 bits

-80 dB min.

0 V, ±0.625 V, ±1.25 V, ±2.5 V, ±5.0 V, software selectable

±0.5% typ., ±1.0% max. Calibration voltage accuracy

(Note 1)

Temperature sensor range

Temperature sensor accuracy

Trigger source

0 °C to +70 °C max.

±3 °C typ.

Note 1:

Actual values used for calibration are measured and stored in EEPROM.

4-1

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 memory

Number of Input Channels Per-channel Throughput (kS/s)

(Note 2)

1 50000

2 50000

3 36000

4 30000

5 25000

6 22000

7 19000

8 17000

9 15000

10 14000

11 12500

12 12000

13 11250

14 10500

15 10000

16 9500

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 Ta

on your machine.

ble 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

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 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

240 kS/s

130 kS/s

220 kS/s

260 kS/s

250 kS/s

2.4 GHz P4 running Win XP, Service Pack 2, using an integrated USB Enhanced Host Controller

(EHC) port

2.4 GHz P4, Phoenix BIOS, Win XP, Service Pack 2, integrated USB EHC port

2 GHz, Xeon, Win XP, Service Pack 2, hyperthreading turned OFF, using an integrated USB EHC port

2 GHz, Xeon, Win XP, Service Pack 2, hyperthreading turned ON, using an integrated USB EHC port

2.4 GHz, P4 running Win XP, Service Pack 1, using Belkin PCI-bus USB 2.0 card

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

±10 V

±5 V

±2 V

±1 V

Range

±10 V

±5 V

±2 V

±1 V

±5.66

±2.98

±1.31

±0.68

Table 3. Accuracy components - all values are (±)

% of Reading

0.04

0.04

0.04

0.04

Gain Error at FS (mV)

4.00

2.00

0.80

0.40

Table 4. Noise performance

Offset (mV)

1.66

0.98

0.51

0.28

Range

±10 V

±5 V

±2 V

±1 V

Typical Counts LSBrms

10

10

11

14

1.52

1.52

1.67

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

Number of I/O

Configuration

Pull up/pull-down configuration

Digital I/O transfer rate (software paced)

Input high voltage

Input low voltage

Output high voltage (IOH = -2.5 mA)

Output low voltage (IOL = 2.5 mA)

Power on and reset state

External trigger

CMOS

8 (DIO0 through DIO7)

Independently configured for input or output

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.

System dependent, 33 to 1000 port reads/writes or single bit reads/writes per second typ.

2.0 V min., 5.5 V absolute max.

0.8 V max., -0.5 V absolute min.

3.8 V min.

0.7 V max.

Input

Trigger source (Note 3)

Trigger mode

Trigger latency

Trigger pulse width

Input high voltage

Input low voltage

Input leakage current

Note 3:

External digital TRIG_IN

Software selectable Edge Sensitive: user configurable for CMOS compatible rising (default) or falling edge.

10 µs max.

1 µs min

4.0 V min, 5.5 V absolute max.

1.0 V max,-0.5 V min

±1.0µA

TRIG_IN is a Schmitt trigger input protected with a 1.5 k Ohm series resistor.

External clock input/output

Pin name

Pin type

Software selectable direction

SYNC

Bidirectional

Input clock rate

Clock pulse width

Input leakage current

Input high voltage

Input low voltage

Output high voltage (Note 4)

Output low voltage (Note 4)

Input

Input

Output

IOH = -2.5 mA

No load

IOL = 2.5 mA

No load

Receives A/D pacer clock from external source.

Rising edge sensitive.

50 kHz, maximum

1 µs min.

5 µs min.

±1.0 µA

4.0 V min., 5.5 V absolute max.

1.0 V max., -0.5 V absolute min.

3.3 V min.

3.8 V min.

1.1 V max.

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

Counter type

Number of channels

Input type

Counter/timer read/write rates (software paced)

Schmidt trigger hysteresis

Input leakage current

Maximum input frequency

High pulse width

Low pulse width

Input low voltage

Input high voltage

Memory

Data FIFO

EEPROM configuration

32,768 samples, 65,536 bytes

CTR

Event counter

1

TTL, rising edge triggered

Counter Read – System dependent, 33 to 1000 reads per second.

Counter Clear – System-dependent, 33 to 1000 writes per second.

20 mV to 100 mV

± 1 µA

1 MHz

500 ns min.

500 ns min.

1.0 V min., -0.5 V max.

4.0 V min., 5.5 V max.

Address range Access

0x000-0x07F

0x080-0x1FF

0x200-0x3FF

Reserved

Read/Write

Read/Write

Description

128 bytes system data

384 bytes calibration data

512 bytes user area

Microcontroller

Type

Program memory

Data memory

Power

High performance 8-bit RISC microcontroller

16,384 words

2,048 bytes

Supply current

Supply current (Note 5)

User +5 V output voltage range (Note 6)

User +5V output current (Note 7)

USB enumeration

Continuous mode

Available at terminal block pin 48

Available at terminal block pin 48

<100 mA

350 mA typ.

4.0 V min.

5.25 V max.

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:

Output 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

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

External power input

Voltage supervisor limits - PWR LED.

(Note 8)

6.0 V > Vext or Vext > 12.5 V

6.0 V < Vext < 12.5 V

MCC p/n CB-PWR-9V3A

+6.0 VDC to 12.5 VDC (9 VDC power supply included).

PWR LED = Off (power fault)

PWR LED = On

+9 V ±10%, @ 3 A External power adapter (included)

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

External power output - current range

External power output

Note 9

Voltage drop between power input and daisy chain power output

C-MAPWR-x

4.0 A max.

0.5 V max

Compatible cable(s) for daisy chain

Note 9:

X = 2, 3 or 6 feet

The daisy chain power output option allows multiple MCC USB Series products to be powered from a single external power source in a daisy chain fashion. The voltage drop between the module power supply input and the daisy chain output is 0.5 V max. Users must plan for this drop to assure the last module in the chain will receive at least 6.0 VDC

USB specifications

USB "B" connector

USB device type

Device compatibility

USB "A" connector

USB hub type

Compatible products

USB cable type (upstream and downstream)

USB cable length

Environmental

Operating temperature range

Storage temperature range

Humidity

Mechanical

Card dimensions

Enclosure dimensions

Input

USB 2.0 (full-speed)

Use of multiple USB-1616FS boards requires a USB 2.0 hub.

USB 1.1, USB 2.0

Downstream hub output port

Supports USB 2.0 high-speed, full-speed and low-speed operating points.

Self-powered, 100 mA max downstream VBUS capability

MCC USB Series devices

A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND, min

28 AWG D+/D-)

3 meters max.

0 to 70 ° C

-40 to 85 ° C

0 to 90% non-condensing

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)

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

Screw terminal connector

Connector type

Wire gauge range

Screw terminal

14 AWG to 30 AWG

Connector pin out

Board label

DIO

4

5

6

0

1

2

3

Signal name

DIO 0

DIO 1

DIO 2

DIO 3

DIO 4

DIO 5

DIO 6

TRIG IN TRIG IN

CHANNEL IN

9

10

11

12

13

14

15

4

5

6

7

8

0

1

2

3

CH 0

CH 1

CH 2

CH 3

CH 3

CH 4

CH 5

CH 6

CH 8

CH 9

CH 10

CH 11

CH 12

CH 13

CH 14

CH 15

AGND

Board label

GND

4

5

6

0

1

2

3

CTR

9

10

11

12

13

14

15

4

5

6

7

8

0

1

2

3

Signal name

GND 0

GND 1

GND 2

GND 3

GND 4

GND 5

GND 6

CTR

AGND 0

AGND 1

AGND 2

AGND 3

AGND 4

AGND 5

AGND 6

AGND 7

AGND 8

AGND 9

AGND 10

AGND 11

AGND 12

AGND 13

AGND 14

AGND 15

Specifications

4-7

Declaration of Conformity

Manufacturer: Measurement Computing Corporation

Address: 10 Commerce Way

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

ƒ EN 55011 (1990)/CISPR 11: Radiated and Conducted emissions.

Immunity: EN61326, Annex A

ƒ IEC 1000-4-2 (1995): Electrostatic Discharge immunity, Criteria C.

ƒ IEC 1000-4-3 (1995): Radiated Electromagnetic Field immunity Criteria C.

ƒ

IEC 1000-4-4 (1995): Electric Fast Transient Burst immunity Criteria A.

ƒ IEC 1000-4-5 (1995): Surge immunity Criteria C.

ƒ IEC 1000-4-6 (1996): Radio Frequency Common Mode immunity Criteria A.

ƒ IEC 1000-4-8 (1994): Magnetic Field immunity Criteria A.

ƒ

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.

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:

[email protected]

www.mccdaq.com

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