USB-2405 - Mouser Electronics
Contents
1. EF d 20 4 20 4 Figure 1 8 Module Stand Top View 14 Introduction o int Figure 1 10 Module Stand Front View Introduction 100 USB 2405 15 A ADLINK PA CHNOLOGY INC 1 9 Connections The USB 2405 module is equipped with four BNC connectors and one 4 pin removable spring terminal connector with pin assign ment as labeled BNC connector polarity is as shown Positive Negative Figure 1 11 BNC Connector Polarity 16 Introduction USB 2405 2 Getting Started 2 1 Unpacking the USB 2405 Before unpacking check the shipping carton for any damage If the shipping carton and or contents are damaged inform your dealer immediately Retain the shipping carton and packing materials for inspection Obtain authorization from your dealer before returning any product to ADLINK Ensure that the following items are included in the package USB 2405 Stand USB cable 2 meter Rail mount kit ADLINK All in One CD Quick Start Guide 2 2 Connecting the USB 2405 Module The appropria2. ee ee ee 38 Figure 3 14 Gated Trigger ee ee RR ee ee ee 38 List of Figures vii A ADLINK PA TE x This page intentionally left blank viii List of Figures USB 2405 List of Tables Table 1 1 U Test Interface Legend ee ee ee ee 7 Table 3 1 Signal Source Card Configuration ee ee 28 Table 3 2 USB 2405 Input RangeS issie ees ee ee AA ee ee ee 30 List of Tables ix A ADLINK PA TE x This page intentionally left blank x List of Tables 1 USB 2405 Introduction 1 1 Overview The USB 2405 is a 24 bit high performance dynamic signal acqui sition USB module equipped with 4 simultaneous sampling ana log input channels sampling up to 128 kS s per channel The USB 2405 also features software selectable AC or DC coupling input configuration and built in high precision 2 mA excitation cur rent to measure integrated electronic piezoelectric IEPE sensors such as accelerometers and microphones The USB 2405 delivers high precision DC and dynamic measure ment performance with very low temperature drift The onboard 24 bit Sigma Delta ADC supports anti aliasing which suppresses modulator and signal out of band noise and provides usable sig nal bandwidth of the Nyquist rate making it ideal for high dynamic range signal measurement in vibration and acoustic applications The USB 2405 supports digital and analog trigger sources and flexib
3. RR RA ee Ee ee ee ee ee ee AA Re Re ee ee ee ee ee ee ee Re 1 1 3 Applications iaia 2 tA Specifications eoin iaia ani 2 1 4 1 General SpecificationS eee ee terren ee ee eee 2 1 4 2 Analog Input AD ese ee ee ee ee ee ee ee 2 1 4 3 DC accuracy 25 C ER 3 1 4 4 AC Dynamic Performance typical 25 C 3 1 4 5 Digital Oceania iaia 5 1 5 Software Support 5 1 6 Driver Support for WindoWS mawa 6 1 7 Utilities for Windows 6 1 8 Overview and DimensionS www 8 1 8 1 MO GUI EE EA AE 8 1 8 2 Module Stand wima akisi ee AR AA azania 10 19 GONMECUONS ii 16 2 Getilnd sStafled aci liacle 17 2 1 Unpacking the USB 2405 ee ee ee ee 17 2 2 Connecting the USB 2405 Module ee ee 17 2 3 Device ID EER EE EE RR RE SE ER RE GE ER EER ER KG Ee dy 19 24 Device MOUNING i iese EES ee EER GRA ia 20 Table of Contents v A ADLINK a lie 2 4 1 Rail MUA ee ee ee AR i 20 2 4 2 Wall Mounting ee ee ee Re ee ee 23 2 5 Hardware Configuration esse ee ee ee ke ee ee ee Re ee ee 25 ge ie ER EE BE N EE 27 3 1 Functional LayOU iese ee ee ee AA ee AA ee ee ee 27 9 2 ANALOG INPUl sis EE ER 28 3 2 1 Analog Input Front End Configuration 28 3 2 2 AI Data Format 29 3 2 3 Sampling Rate 30 3 2 4 Data Transfer RE 31 3 2 5 Anti Aliasing Filter and Frequency Response 31 ee
4. Keep equipment properly ventilated do not block or cover ventilation openings Make sure to use recommended voltage and power source settings Always install and operate equipment near an easily accessible electrical socket outlet Secure the power cord do not place any object on over the power cord Only install attach and operate equipment on stable surfaces and or recommended mountings and If the equipment will not be used for long periods of time turn off and unplug the equipment from its power source v Important Safety Instructions 43 A ADLINK BA CHNOLOGY INC gt Never attempt to fix the equipment Equipment should only be serviced by qualified personnel A Lithium type battery may be provided for uninterrupted backup or emergency power WARNING Risk of explosion if battery is replaced with an incorrect type please dispose of used batteries appropriately gt Equipment must be serviced by authorized technicians when gt gt gt gt y V 44 The power cord or plug is damaged Liquid has penetrated the equipment It has been exposed to high humidity moisture It is not functioning or does not function according to the user s manual It has been dropped and or damaged and or It has an obvious sign of breakage Important Safety Instructions USB 2405 Getting Service Contact us should you require any service or assistance ADLINK Technology I
5. ADLINK TECHNOLOGY INC 46 ADLINK Technology Inc French Liaison Office Address 15 rue Emile Baudot 91300 Massy CEDEX France Tel 33 0 1 60 12 35 66 Fax 33 0 1 60 12 35 66 Email france adlinktech com ADLINK Technology Japan Corporation Address 7101 0045 KRAI TARE K FSB 3 7 4 hm 374 N AF KANDA374 Bldg 4F 3 7 4 Kanda Kajicho Chiyoda ku Tokyo 101 0045 Japan Tel 81 3 4455 3722 Fax 81 3 5209 6013 Email japan adlinktech com ADLINK Technology Inc Korean Liaison Office Address AHSA MET MES 1675 12 101444 82 8F Mointer B D 1675 12 Seocho Dong Seocho Gu Seoul 137 070 Korea Tel 82 2 2057 0565 Fax 82 2 2057 0563 Email korea adlinktech com ADLINK Technology Singapore Pte Ltd Address 84 Genting Lane 07 02A Cityneon Design Centre Singapore 349584 Tel 65 6844 2261 Fax 65 6844 2263 Email singapore adlinktech com ADLINK Technology Singapore Pte Ltd Indian Liaison Office Address 1st Floor 50 56 Between 16th 17th Cross Margosa Plaza Margosa Main Road Malleswaram Bangalore 560055 India Tel 91 80 65605817 91 80 42246107 Fax 91 80 23464606 Email india adlinktech com ADLINK Technology Inc Israeli Liaison Office Address 6 Hasadna St Kfar Saba 44424 Israel Tel 972 9 7446541 Fax 972 9 7446542 Email israel adlinktech com Getting Service
6. a fixed and precise time interval Please note the data buffer size must be a multiple of 256 in continuous acquisition mode The UD DASK Function Library Reference provides corresponding software API details 3 2 5 Anti Aliasing Filter and Frequency Response The filter limits the bandwidth of the signal path and rejects out of band noise The digital filter of the Sigma Delta ADC sets the overall frequency response using multi stage FIR topology to provide linear phase with minimal passband ripple and high stop band attenuation These image frequencies if present in the sig nal and not externally filtered will fold back or alias into the passband causing errors The stopband of the ADC provides 100dB attenuation of frequencies that begin just beyond the pass band and continue out to ADC over sampling rate The USB 2405 provides an anti aliasing low pass simple RC filter in front of the ADC inputs to limit possible high amplitude out of band signals and noise Operation 31 A ADLINK BA CHNOLOGY INC 3dB Bandwidth Fs 51 2KS s 5 T T 7 X 25 b Y 2 058 7 15 4 dB 20 L L L 5 10 15 20 25 Input Signal Frequency kHz Figure 3 4 Input Frequency Response for High Resolution Mode Fs 51 2kS s 32 Operation USB 2405 3dB Bandwidth Fs 102 4KS s X 50 Y 2 27 dB 60 1 1 I 1 I 1 i I i i 5 10 15 20 25 30 35 40 45 50 55 Input Signal Frequency
7. Acquisition no retrigger Delays data collection after the trigger event as shown The delay count is specified by a 32 bit counter value such that the maxi mum delay count is 232 1 when the minimum delay count is 1 eAcquisition stop eOperation e Trigger Event eBegin to transfer data p Occurs eAcquisition start to system start Delay Time Time Trigger Data N samples Figure 3 12 Delay Trigger Mode Operation Middle Trigger Acquisition Middle trigger acquisition is indicated when data is to be collected before and after the trigger event The amount of stored data Operation 37 A ADLINK TECHNOLOGY INC before and after trigger event can be set individually M and N samples as shown Please note that M N must be equal to or less than 8k samples for all analog input channels and that the trigger event can only be accepted when the specified amount of data has been acquired M samples otherwise the trigger event will be ignored Trigger Event Occurs Operation start e Acquisition start Trigger Data 77 ZI ZA N samples we v This data is Only acquired N discarded samples will be transferred back to system Figure 3 13 Middle Trigger Acquisition Gated Trigger Gated trigger acquisition is indicated in applications where data is to be collected when trigger events are set to level high low and acquisition suspended when trigger events ar
8. input signal is removed AC coupling configuration is indicated when the DC content of the input signals is to be rejected AC coupling enables a high pass R C filter through the input signal path with corner frequency 3dB about 0 4 Hz IEPE Input For applications utilizing sensors such as accelerometers or microphones the USB 2405 provides an excitation current source The excitation current is 2 mA for the IEPE sensors with DC volt age offset generated because of the excitation current and sensor impedance When enabling IEPE current sources the USB 2405 automatically sets input configuration to AC coupling VCC 2mA i Constant Current IEPE ON sal es OFF AI Channel O i NJ 3 7 USB 2405 EE ETE EF Analog Front End Figure 3 3 Excitation Current for IEPE Sensor Measurement 3 2 2 Al Data Format When an A D converter is used properties of the signal to be measured must be ascertained to determine the channel to be Operation 29 A ADLINK PA CHNOLOGY INC used and connections to the card After A D conversion the A D data is buffered in a Data FIFO for transfer to memory for further processing Transfer characteristics of various input ranges of the USB 2405 are as follows with data format 2 s complement Description Es Digital Code Full scale Range 10V Least significant bit 1 19uV FSR 1LSB 9 99999881V 7FFFFFh Midscale 1LSB 1 19uV 000001h Mids
9. 1 4 2 Analog Input Al Channels 4 simultaneous sampling ADC resolution 24 bit ADC type Delta sigma Sampling rate 1kHz to 128kHz Input range 10V FIFO buffer size 8kS across all channel Input configuration Differential or pseudo differential Input impedance 200 KO between positive input and negative input 16 93 kQ between negative input and chassis ground Input coupling AC or DC software selectable Introduction Integrated electronic piezoelectric IEPE USB 2405 Current 2 mA or 0 mA software selectable IEPE compliance 24V Over voltage protection 60V Input common mode range 10V Trigger source Analog or digital software selectable Trigger mode Post trigger delay trigger middle trigger gated trigger pre trigger post or delay trigger with re triggering Data transfer Programmed I O continuous bulk transfer mode 1 4 3 DC accuracy 25 C Offset Error mV Gain Error Typical 0 15mV 0 15mV Maximum 0 3mV 0 3 14 4 AC Dynamic Performance typical 25 C THD THD N Vin 8 9 Vpk Input Configuration Put Signal THD THD N Frequency fin Differential 20Hz to 20kHz 94dB 91 dB 20Hz to 46 4kHz 89 dB 88 dB Pseudo differential 20Hz to 20kHz 92 dB 88 dB 20Hz to 46 4kHz 85 dB 85 dB CMRR AC 20Hz
10. 2405 to optimize AD measurement 4 1 Loading Calibration Constants The USB 2405 is factory calibrated before shipment with associ ated calibration constants of the TrimDACs firmware written to the onboard EEPROM TrimDACs firmware is the algorithm in the FPGA Loading calibration constants entails loading the values of TrimDACs firmware stored in the onboard EEPROM ADKLINK provides a software utility that automatically reads the calibration constants if necessary Dedicated space for storing calibration constants is provided in the EEPROM In addition to the default bank of factory calibration con stants there is one user utilization bank allowing loading of the TrimDACs firmware values either from the original factory calibra tion or a subsequently performed calibration Since measurement errors may vary depending on time and tem perature it is recommended that the USB 2405 module be cali brated in the existing testing environment as follows 4 2 Auto Calibration The USB 2405 module should be warmed up for at least 15 WA minutes before initiating auto calibration NOTE The USB 2405 auto calibration utility measures and corrects almost all calibration errors with no requirement for external signal connection reference voltage or measurement devices An onboard calibration reference is provided to ensure accuracy of auto calibration The reference voltage is measured in the produc tion line by a digital pote
11. 5 Figure 1 2 USB 2405 Module Front View e ZW o o o o m HA 156 5 lt 167 5 Figure 1 3 USB 2405 Module Side View Introduction 9 A ADLINK Figure 1 4 USB 2405 Module Rear View 1 8 2 Module Stand The multi function USB 2405 stand is compatible with desk rail or wall mounting To fix the module in the stand slide the module body into the stand until a click is heard To remove the module 10 Introduction USB 2405 from the stand twist the bottom of the stand in a back and forth motion and separate from the module Figure 1 5 Module Stand and USB Cable Introduction 11 A ADLINI Pz A TI i A ADE Malick 167 198 Figure 1 6 Module Stand amp Wall Mount Kit Side View w Connections 12 Introduction USB 2405 AI 3 AI 2 114 Ja 100 Figure 1 7 Module In Stand Front View Introduction 13 A ADLINI PZ TI i
12. A ADLINK JN l USB 2405 USB 2 0 based Dynamic Signal Acquisition Module User s Manual ADLINK TECHNOLOGY ING Manual Rev 2 00 Revision Date July 5 2013 Part No 50 1Z148 1000 Recycled Paper Advance Technologies Automate the World A ADLINK Revision History Revision Release Date Description of Change s 2 00 July 5 2013 Initial release USB 2405 Preface Copyright 2013 ADLINK Technology Inc This document contains proprietary information protected by copy right All rights are reserved No part of this manual may be repro duced by any mechanical electronic or other means in any form without prior written permission of the manufacturer Disclaimer The information in this document is subject to change without prior notice in order to improve reliability design and function and does not represent a commitment on the part of the manufacturer In no event will the manufacturer be liable for direct indirect spe cial incidental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages Environmental Responsibility ADLINK is committed to fulfill its social responsibility to global environmental preservation through compliance with the Euro pean Union s Restriction of Hazardous Substances RoHS direc tive and Waste Electrical and Electronic Equipment WEEE directive Environ
13. DAQPilot html Please note that only DAQPilot versions 2 6 1 0628 and later can support the USB 2405 1 7 Utilities for Windows U Test U Test is a free and ready to use utility which can assist instant testing and operation of all ADLINK USB DAQ series functions with no programming In addition to providing data collection and monitoring functions U Test also supports basic FFT analysis and provides direct control of analog output and digital I O with a user friendly interface 6 Introduction USB 2405 Device Setting ax USB 1902 10 0 II Analog lagat Continuous by Analog Outpet Digital Input Output E rona E ponte Analog be Pope DIHINA 9 x 3 AI Display mede Gogha mada asd Sips 5 Chasse Setting D Dula Lorene Zeng Taming mar Ready E Data Logging Path C Rhecnrding 201 10977165053 Logging data dat Figure 1 1 U Test Interface Main Menu Device Viewer Al Data View amp AO DIO Control Panel Analog Input Configuration DOW Table 1 1 U Test Interface Legend You can download and install U Test at http Awww adlink tech com Introduction 7 A ADLINK 1 8 Overview and Dimensions Z All dimensions shown are in millimeters mm NOTE 1 8 1 Module AI 3 KO DGND GPIOf DGND GPI00 C moll 41 3 gt lt 456 Introduction USB 240
14. Module Stand Front View i 15 Figure 1 11 BNC Connector Polarity ee ee ee ee 16 Figure 2 1 USB 2405 Module in Windows Device Manager 18 Figure 2 2 Device ID Selection Control ee ee 19 Figure 2 3 Rail Mount AR EE EO saan 20 Figure 2 4 Module Pre Rail Mounting ee ees se ke ee ee 21 Figure 2 5 Module Rail Mounted ee ee ee de ee Re ee ee 22 Figure 2 6 Wall Mount Holes ees see ees ee se a 23 Figure 2 7 USB 2405 Module with Wall Mount Apparatus 24 Figure 3 1 USB 2405 Functional Block Diagram 27 Figure 3 2 USB 2405 Analog Front ENd se ee ee ee 28 Figure 3 3 Excitation Current for IEPE Sensor Measurement 29 Figure 3 4 Input Freguency Response for High Resolution Mode EE SR ME EE IE 32 Figure 3 5 Input Freguency Response for High Speed Mode Fs 102 4KS S i 33 Figure 3 6 Below Low Analog Triggering ke ee ee 34 Figure 3 7 Above High Analog Triggering ee ee ee 35 Figure 3 8 Digital Triggering iii ee se ee ER ee ee ee 35 Figure 3 9 Post Trigger without Retrigger 36 Figure 3 10 Pre trigger Mode Operation valid trigger only 36 Figure 3 11 Pre trigger Mode Operation w invalid trigger 37 Figure 3 12 Delay Trigger Mode Operation 37 Figure 3 13 Middle Trigger Acquisition
15. NT ee nei EE itcites 33 3 3 1 Analog Input Trigger SOUrce ee ee 33 34 Programmable Function I O i 39 3 4 1 Static Digital Input Output se RR RA Ge ee 39 3 4 2 Frequency COUNtEr iii 39 3 4 3 Pulse Output iwa iaia 39 3 4 4 Digital Trigger IN for Continuous Analog Input 40 3 4 5 Synchronization Sample Clock IN 40 4 Calibration AE Lila 41 4 1 Loading Calibration Constants se ke ee ee Re ee ee 41 4 2 Auto CalibratiOm tie Eis ER tds coset EER EE see DE ed N Ee Ne di 41 4 3 Saving Calibration ConstantSs se ee ee ke ee 42 Important Safety Instructions urrriiiiieein 43 GellingSerVic sinisnllilii alari 45 vi Table of Contents USB 2405 List of Figures Figure 1 1 U Test Internat ana iaia 7 Figure 1 2 USB 2405 Module Front View ee se ee ee ee ee 9 Figure 1 3 USB 2405 Module Side View ee ee 9 Figure 1 4 USB 2405 Module Rear VieW a 10 Figure 1 5 Module Stand and USB Capble 11 Figure 1 6 Module Stand amp Wall Mount Kit Side View w Connec OMS 22 riciclare 12 Figure 1 7 Module In Stand Front View ee ee ke ee ee 13 Figure 1 8 Module Stand Top VieW ee ke ee ee ee Re ee 14 Figure 1 9 Module Stand Side Cutaway View 15 Figure 1 10
16. O p Counter PWM OUT Trigger IN Figure 3 1 USB 2405 Functional Block Diagram Operation 27 A ADLINK PA CHNOLOGY INC 3 2 Analog Input 3 2 1 Analog Input Front End Configuration Diff input Differential agio AI CERA Psuedo AC See Calibration SE ditforontia Sr EPE Coupling Circuit Switch Circuit circuit Circuit ADC Driver 24 Bit ADC Figure 3 2 USB 2405 Analog Front End Input Configuration Differential Pseudo Differential Differential input mode provides anode and cathode inputs of the BNC connector that respond to signal voltage differences therebetween If the signal source is ground referenced the differential input mode can be used for common mode noise rejection If the signal source is a floating signal setting pseudo differential input mode will provide a reference ground connected to the cathode input of the BNC through a 20 KO resistor Recommended configurations for the signal sources are as follows Signal Source Card Configuration Floating Pseudo differential Ground reference Differential Table 3 1 Signal Source Card Configuration Input Coupling When DC coupling is selected DC offset present in the input sig nal is passed to ADC DC coupling configuration is indicated when the signal source has a small offset voltage or if the DC content of 28 Operation USB 2405 the signal is important When AC coupling is selected DC offset present in the
17. Rail Mounted Getting Started 22 USB 2405 2 4 2 Wall Mounting The multi function stand can be fixed to a wall using four flush head screws as shown The four screw holes should be approximately 3 4 mm in diameter ai 2A N 26 40 8 ad O Net N amp Figure 2 6 Wall Mount Holes Getting Started 23 TECHNOLOGY INC A ADLINK PA Figure 2 7 USB 2405 Module with Wall Mount Apparatus 24 Getting Started USB 2405 2 5 Hardware Configuration All remaining hardware configurations are software programmable including sampling update rate input output channel input range and others Please see the UD DASK Function Reference manual for details Getting Started 25 A ADLINK This page intentionally left blank 26 Getting Started USB 2405 3 Operation Operation of the USB 2405 is described here to assist in configuration and programming of the module Functions addressed include analog input and GPIO 3 1 Functional Layout The USB 2405 is equipped with four simultaneous sampling analog input channels and two general purpose digital I Os GPIO Control Signal ADE Front ead 24 Bit Sigma delta ADC Cypress C TCS8013A Al Data and Control ae EEE CE ee AER DDS Direct Digital Synthesis POPC nna 3 3V Supply 8051 Core function 2 CH GPIO DI D
18. acquisition starting once specified function calls are executed to begin the pre trig ger operation and stopping when the trigger event occurs If the trigger event occurs after the specified amount of data has been acquired the system stores only data preceding the trig ger event by a specified amount as shown Note that N must be equal to or less than 8k samples for all analog input chan nels eTrigger Event Occurs ji eAcquisition stop eOperation start eBegin to transfer data to eAcquisition start system ME MEEN Time Trigger Ji O A J Y I NV 7 This data is Only acquired N discarded samples will be transferred back to system Figure 3 10 Pre trigger Mode Operation valid trigger only 36 Operation USB 2405 The trigger event occurs after the specified amount of data has been acquired However if the trigger event occurs before the specified amount of data has been acquired the acquisition engine ignores the trigger signal until the specified amount of data has been acquired as shown eTrigger signals that occur before e Trigger Event Occurs eOperation start the specified amount of data has Acquisition stop eAcquisition start been acquired are ignored eBegin to transfer data to system Time Trigger Data LY ZA N samples ______ X samples have been acquired before trigger occurs where X lt N Figure 3 11 Pre trigger Mode Operation w invalid trigger Delay Trigger
19. cale OV 000000h Midscale 1LSB 1 19uV FFFFFFh FSR 10V 800000h Table 3 2 USB 2405 Input Ranges 3 2 3 Sampling Rate To drive the sigma delta ADC an onboard timebase clock is applied with frequency exceeding the sampling rate produced from a DDS Direct Digital Synthesis chip The output frequency of the DDS chip is programmable with excellent resolution DDS Timing Sampling Rate Mode High Resolution High Speed Sampling Rate 1 kHz 52 734 kHz 52 734 kHz 128 kHz fCLK fDATA 512 256 DDS CLK 512kHz to 13 499904 MHz to 26 999808MHz 2 768 MHz Sampling Rate 0 0003 Hz 0 0003 Hz Resolution 30 Operation USB 2405 3 2 4 Data Transfer Software Polling Data Transfer Non Buffering Pro grammed I O Polling mode supports flexible timing and is suitable for retrieving recent data without FIFO buffering latency The USB 2405 contin uously updates the most recently acquired data onto a data port for specific channels Data not retrieved in time is overwritten with new data without notification The UD DASK Function Library Ref erence provides corresponding software API details Continuous Acquisition Mode Differs from software polling mode only in the generation of block data in continuous acquisition mode without the need to consider data overwriting or acquiring repeat data in software polling mode This mode is suitable for when continuous data is to be acquired in
20. e set to the opposite level The process repeats until the specified amount of data is acquired Operation start eTrigger event occurs eTrigger event occurs eAcquisition start high active high active Time Trigger T____ ji Figure 3 14 Gated Trigger Post Trigger or Delay Trigger Acquisition with Re Trigger Post trigger or delay trigger acquisition with re trigger function is indicated in applications where data is to be collected after several trigger events The number of scans after each trigger and the 38 Operation USB 2405 re trigger number are valid from 1 to the buffer size allocated in kernel space The process repeats until the specified amount of re trigger signals is detected 3 4 Programmable Function VO The USB 2405 supports powerful programmable I O function pro vided by an FPGA chip configurable as static digital input output 32 bit frequency counters pulse output synchronization sample clock IN and trigger IN These signals are single ended and 3 3 V TTL compliant 3 4 1 Static Digital Input Output Programmable function I O can be used as static digital inputs or outputs with I O lines readable and writeable by software polling with sample and update rate fully controlled by software timing 3 4 2 Frequency Counter Calculates base clocks occurring within a period rising edge to rising edge or falling edge to falling edge of the repetitive input signal
21. kHz Figure 3 5 Input Frequency Response for High Speed Mode Fs 102 4kS s 3 3 Triggering The USB 2405 supports flexible trigger sources and trigger modes for analog input functionality The trigger source can originate with software command external analog or external digital signal in continuous analog input mode Trigger source and mode are pro grammable by software 3 3 1 Analog Input Trigger Source Software Triggering This trigger mode requires no external trigger signals The trigger asserts immediately following execution of the specified function calls to begin the operation Operation 33 A ADLINK PA CHNOLOGY INC External Analog Trigger The analog multiplexer can select one input channel as the analog trigger source That is one of 4 input channels can be selected as the analog trigger source An external analog trigger occurs when the analog trigger signal crosses above above high or below below low the pre defined voltage level The range of trigger level is the full scale range of the selected input channel and the resolution is 24 bit In external analog trigger mode the first acquired data starts with a delay time of 1 sampling rate Below Low Analog Triggering As shown the trigger signal is generated when the input ana log signal is less than the Low Threshold voltage High_Threshold setting is not used in this triggering situation Low Threshold Trigger 34 Figure 3 6 Below Lo
22. le trigger modes including post delay middle gated and pre triggering which acquires data efficiently without post pro cessing The USB 2405 is USB bus powered and equipped with BNC connectors and removable spring terminals for easy device connectivity 1 2 Features Hi Speed USB 2 0 USB bus powered 24 bit Sigma Delta ADC with built in anti aliasing filter 4 CH simultaneous sampling analog input up to 128kS s AC or DC input coupling software selectable Analog or digital triggering Supports 2mA excitation output on each analog input chan nel for IEPE sensor measurement Full auto calibration gt Ready to use testing application U Test provided vvvvvvy v Introduction A ADLINK PA CHNOLOGY INC 1 3 Applications vvv v Vibration testing Machine condition monitoring Acoustic measurement Environmental noise analysis 1 4 Specifications 1 4 1 General Specifications Physical Power and Operating Environment Interface Hi Speed USB 2 0 compatible mini USB connector Dimensions 156 5 L x 114 W x 41 3 H mm 6 16 X 4 49 X 1 63 in VO Connector Four BNC connectors and 4 pin removable spring terminals Power requirement USB power 5 V 400 mA Operating environment Ambient temperature 0 to 55 C Relative humidity 10 to 90 non condensing Storage environment Ambient temperature 20 to 70 C Relative humidity 5 to 95 non condensing
23. mental protection is a top priority for ADLINK We have enforced measures to ensure that our products manu facturing processes components and raw materials have as little impact on the environment as possible When products are at their end of life our customers are encouraged to dispose of them in accordance with the product disposal and or recovery programs prescribed by their nation or company Trademarks Product names mentioned herein are used for identification pur poses only and may be trademarks and or registered trademarks of their respective companies Preface ili A ADLINK BA CHNOLOGY INC Conventions Take note of the following conventions used throughout this manual to make sure that users perform certain tasks and instructions properly Z Additional information aids and tips that help users perform tasks NOTE Information to prevent minor physical injury component dam age data loss and or program corruption when trying to com plete a task CAUTION Information to prevent serious physical injury component damage data loss and or program corruption when trying to complete a specific task WARNING iv Preface USB 2405 Table of Contents Revision History corale li LAE ER EE EE OE EE aE ili List of FidUeS sesde oe N GEN Ee ee Ke ee RA n vii List oi I alia ix 1 Introduction AR OR AE FR nnmnnn 1 VA ei EER EO EE OE RE a ila 1 12 Features
24. mily USB2 Enhanced Host Controller 27CC USB Composite Device USB Mass Storage Device USB Root Hub USB Root Hub USB Root Hub USB Root Hub USB Root Hub Figure 2 1 USB 2405 Module in Windows Device Manager If the USB 2405 module cannot be detected the power provided by the USB port may be insufficient The USB 2405 module is exclusively powered by the USB port and requires 400 mA 5 V 18 Getting Started USB 2405 2 3 Device ID A rotary control on the rear of the module as shown controls device ID setting and can be set from 0 to 7 The device ID allows dedicated control of the USB 2405 module irrespective of the con nected USB port When more than one USB module of the same type is connected each must be set to a different ID to avoid con flicts and errors in operation la a cele N H Ce H SIA fA gt A ol YQ Ls i Figure 2 2 Device ID Selection Control Getting Started 19 A ADLINK 2 4 Device Mounting 2 4 1 Rail Mounting The multi function stand can be mounted on the DIN rail using the rail mount kit as shown Figure 2 3 Rail Mount Kit 20 Getting Started USB 2405 Figure 2 4 Module Pre Rail Mounting Getting Started 21 ADLINK A RETI PZ TECHNOLOGY INC X a Figure 2 5 Module
25. nc Address Tel Fax Email 9F No 166 Jian Yi Road Zhonghe District New Taipei City 235 Taiwan MALTA PAE 166 Hi 9 HE 886 2 8226 5877 886 2 8226 5717 service adlinktech com Ampro ADLINK Technology Inc Address Tel Toll Free Fax Email 5215 Hellyer Avenue 110 San Jose CA 95138 USA 1 408 360 0200 1 800 966 5200 USA only 1 408 360 0222 info adlinktech com ADLINK Technology China Co Ltd Address Tel Fax Email EG THY As Bt OX SIT fea BL bel KT EK 300 5 201203 300 Fang Chun Rd Zhangjiang Hi Tech Park Pudong New Area Shanghai 201203 China 86 21 5132 8988 86 21 5132 3588 market adlinktech com ADLINK Technology Beijing Address Tel Fax Email JE VEK EAR 1 SBN KIE E 801 100085 Rm 801 Power Creative E No 1 Shang Di East Rd Beijing 100085 China 86 10 5885 8666 86 10 5885 8626 market adlinktech com ADLINK Technology Shenzhen Address XYI EE i KEHE bel PX a ER Ed Tel Fax Email A1 2 1 C X 518057 2F C Block Bldg A1 Cyber Tech Zone Gao Xin Ave Sec 7 High Tech Industrial Park S Shenzhen 518054 China 86 755 2643 4858 86 755 2664 6353 market adlinktech com LIPPERT ADLINK Technology GmbH Address Tel Fax Email Hans Thoma Strasse 11 D 68163 Mannheim Germany 49 621 43214 0 49 621 43214 30 emea adlinktech com Getting Service 45 A
26. ntiometer and compensated in the soft ware The calibration constant is stored after auto calibration Calibration 41 A ADLINK PA CHNOLOGY INC 4 3 Saving Calibration Constants Factory calibrated constants are permanently stored in a bank of the onboard EEPROM and cannot be modified When the device is recalibrated through auto calibration the software stores the new constants in a user configurable section of the EEPROM To restore original factory calibration settings the software can copy the factory calibrated constants to the user configurable section of the EEPROM When auto calibration is complete the new calibra tion constants can be saved to the user configurable banks in the EEPROM 42 Calibration USB 2405 Important Safety Instructions For user safety please read and follow all instructions WARNINGS CAUTIONS and NOTES marked in this manual and on the associated equipment before handling operating the equipment gt Read these safety instructions carefully Keep this user s manual for future reference gt Read the specifications section of this manual for detailed information on the operating environment of this equipment gt When installing mounting or uninstalling removing equipment Turn off power and unplug any power cords cables gt To avoid electrical shock and or damage to equipment Keep equipment away from water or liquid sources Keep equipment away from high heat or high humidity
27. te driver must be installed before you can con nect the USB DAQ to the computer system Refer to Section 1 6 Driver Support for Windows for driver support information WARNING 1 Turn on the computer 2 Connect the USB 2405 module to one USB 2 0 port on the computer using the included USB cable 3 The first time the USB 2405 module is connected a New Hardware message appears It will take around 6 sec onds to load the firmware When loading is complete the LED indicator on the rear of the USB DAQ module Getting Started 17 A ADLINI PR changes from amber to green and the New Hardware message closes 4 The USB 2405 module can now be located in the hard ware Device Manager as shown Device Manager File Action View Help t RA A ADLINK 76412BC1 i 3 Computer FG Disk drives ca 2 Display adapters gj Human Interface Devices Sy IDE ATA ATAPI controllers Keyboards E Mice and other pointing devices Monitors BY Network adapters J Ports COM amp LPT MR Processors 1 9 Sound video and game controllers See Storage volumes System devices Universal Serial Bus controllers ADLINK USBDAQ 2405 Beta Device Intel R M10 ICH Family USB Universal Host Controller 27C8 Intel R N10 ICH Family USB Universal Host Controller 27C9 Intel R N10 ICH7 Family USB Universal Host Controller 27CA Intel R N10 ICH7 Family USB Universal Host Controller 27CB Intel R N10 ICH Fa
28. tion at a time see Section 3 4 e Synchronization sample clock IN max Programmable frequency 128kHz Function 1 0 Data Transfer Programmed I O 1 5 Software Support ADLINK provides comprehensive software drivers and packages to suit various user approaches to system building In addition to programming libraries such as DLLs for most Windows based systems ADLINK also provides drivers for application environ ments such as LabVIEW and MATLAB ADLINK also provide ActiveXcomponent ware for measurement and SCADA HMI and breakthrough proprietary software All software options are included in the ADLINK All in One CD Be sure to install the driver amp utility before using the USB 2405 module Introduction 5 A ADLINK PA CHNOLOGY INC 1 6 Driver Support for Windows UD DASK UD DASK is composed of advanced 32 64 bit kernel drivers for customized DAQ application development USB DASK enables you to perform detailed operations and achieve superior perfor mance and reliability from your data acquisition system DASK kernel drivers now support Windows 7 Vista OS Please note that only UD DASK versions 1 2 2 0627 and later can support the USB 2405 module DAQPilot DAQPilot is a task oriented Software Development Kit supporting ActiveX Controls NET Assembly Express VI and Polymorphic VI for LabVIEW and DAQ Toolbox for MATLAB You can download and install DAQPilot at http www adlinktech com TM
29. to 1kHz 60 dB Introduction A ADLINK Bandwidth 3dB bandwidth 0 49 x fs where fs is sampling rate AC cut off frequency 3dB 0 4 Hz AC cut off frequency 0 1dB 2 4 Hz Flatness Input Signal Frequency fin Flatness 20Hz to 20kHz 0 01 dB 20Hz to 46 4kHz 0 15 dB Crosstalk Input Signal Frequency fin Crosstalk 1kHz 102 dB 46 4kHz 95 dB System Noise Measurement Bandwidth Al Noise High Resolution lt 52 734kHz 50 pVrms High Speed Mode 52 734 kHz to 128kHz 65 UVrms SFDR Vin 1 dBFS Input Signal Frequency fin SFDR 1kHz 104 dB Dynamic Range Vin 60 dBFS Input Signal Frequency fin Dynamic Range 1kHz 100 dB Introduction USB 2405 1 45 Digital I O Channels 2 programmable function I O Compatibility 3 3V TTL single ended Initial status Input pulled low Input voltage Logic low VIL 0 8 V max IIL 0 2 mA max Logic high VIH 2 0 V min IIH 0 2 mA max Output voltage Logic low VOL 0 8 V max IIL 0 2 mA max Logic high VOH 2 0 V min IIH 24 mA max Over voltage 2V to 7V protection Supporting e Static digital input output modes only PWM output max frequency 4 MHz one can be e Frequency Event counter max frequency 4MHz Digital trigger IN selected and func
30. w Analog Triggering Above High Analog Triggering As shown the trigger signal is generated when the input ana log signal exceeds the High Threshold voltage Low_Threshold setting is not used in this triggering situation Operation USB 2405 High_Threshold Trigger Figure 3 7 Above High Analog Triggering External Digital Triggering An external digital trigger occurs when a rising or falling edge is detected on the digital signal connected to the GPIO pin Trigger polarity can be programmed using ADLINK software drivers Signal level of the external digital trigger signals should be Z 3 3V TTL compatible with a minimum pulse of 20ns NOTE Positive edge Negative edge rising trigger event falling trigger occurs event occurs Figure 3 8 Digital Triggering Trigger Modes Analog input supports post delay middle gate post trigger with retrigger and delay trigger with retrigger modes Operation 35 A ADLINK PA CHNOLOGY INC Post Trigger Acquisition Mode no retrigger Post trigger acquisition is indicated in applications where data is to be collected after a trigger event as shown eOperation eTrigger Event Occurs eAcquisition stop start eAcquisition start Begin to transfer data to system Time Trigger Data N samples Figure 3 9 Post Trigger without Retrigger Pre trigger Acquisition no retrigger Collects data before the trigger event with
31. which is then converted to frequency value Counter polar ity can be adjusted to rising edge active or falling edge active with maximum frequency measurable of 4MHz 3 4 3 Pulse Output The GPIO can also simulate a pulse output By setting a varying amount of Pulse initial cnt and Pulse length cnt varying pulse frequencies and duty cycles can be obtained The maximum out put frequency is 4MHz as shown Pulse_initial_count 7 Pulse_length_count 8 mas LOLOL LLL mor N L salle Operation 39 A ADLINK PA CHNOLOGY INC Calculation of the pulse frequency and duty cycle is as follows mn Timebase Pow ETE Pulse initial _ cnt Pulse length cnt Pulse length cnt Duty pwu n Pulse initial _ cnt Pulse length cnt 3 4 4 Digital Trigger IN for Continuous Analog Input The GPIO can be programmed as the digital trigger source for continuous analog input acquisition Please see External Digital Triggering for details 3 4 5 Synchronization Sample Clock IN To synch multiple devices the GPIO can be programmed as exter nal sample clock input with the same trigger signal and external sample clock applicable to multiple USB 2405s to achieve more than 4 channel synchronization without phase delay Note the syn chronization sample clock must be continuous with valid fre quency range from 1 kHz to 128 kHz 40 Operation USB 2405 4 Calibration This chapter introduces the process of calibrating the USB
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