USB-7230/7250 USB 2.0-based Digital I/O Module v. 2.00
Contents
1. 5 E E immi L ER 204 204 Figure 1 8 Module Stand Top View Introduction 13 n Em m NC 5 7 34 06 Figure 1 9 Module Stand Side Cutaway View 1 100 Figure 1 10 Module Stand Front View 14 Introduction USB 7230 7250 1 8 3 Rail Mounting The multi function stand can be mounted on the DIN rail using the rail mount kit as shown Figure 1 11 Rail Mount Kit Introduction 15 ADLINK A TECHNOLOGY INC Figure 1 12 Module Pre Rail Mounting Introduction 16 USB 7230 7250 XX YY ii MC AA baf 17 13 Module Rail Mounted Figure 1 Introduction ADLINIC 1 8 4 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 approxi mately 3 4 mm in diameter 20 4 13 0 Figure 1 14 Wall Mount Holes 18 Introduction USB 722. Tel 81 3 4455 3722 Fax 81 3 5209 6013 Email japan adlinktech com ADLINK Technology Inc Korean Liaison Office Address MSA A MES 1675 12 2109444 8 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
3. 1 2 3 6 46 47 48 1 CNT1 Polarity Freq 500 KHz mea Figure 3 8 Frequency Counter Example Since the signals are sampled by a 48MHz base clock latch tim ing can generate measurement error maximum error ratio vs input frequency is as follows 32 Operations USB 7230 7250 Error 1 100 1000 10000 100000 1000000 Frequency Hz Figure 3 9 Frequency Counter Error 3 4 Digital Filtering Filters unexpected glitch signals from the input channels By default when enabled the input channel ignores signal changes from one state to another when not remaining in the state for a pre defined period The digital filter function is applied on all DI channels and counters with the default setting disabled When enabled by software it is necessary to configure the minimum pulse width value This value represents the minimum period of time guaranteed to pass through the filter when the signal changes The digital filter uses an internal 16 bit counter to define the specified filter value Data is sampled by a 48 MHz base clock with minimum pulse width value a multiple of 20 83 ns and multi ple number from 1 to 65535 representing the minimum pulse width from 20 83 ns to 1 365 ms In an examplary digital filter operation as shown data is sampled by a 48 MHz base clock and filter stage is 10 such that minimum pulse width value is 208 3 ns The pul
4. 28 Figure 3 3 USB 7230 Isolated 29 Figure 3 4 USB 7250 Isolated 29 Figure 3 5 COS Detection Architecture 30 Figure 3 6 CUOS EXSmDIe tp M e 31 Figure 3 7 USB 7230 7250 Optical Isolated Frequency Event Coun ter31 Figure 3 8 Frequency Counter 32 Figure 3 9 Frequency Counter Error 33 Figure 3 10 Digital Filter EXample 34 Figure 3 11 USB 7230 Isolated 35 Figare 3 12 Form C Relay ene eret dran 35 Figure 3 13 Form Relay eese annn 35 List of Figures vii ADLINIC TE E This page intentionally left blank viii List of Figures USB 7230 7250 List of Tables Table 1 1 USB 7230 Pin 20 Table 1 2 USB 7230 I O Signal Description 21 Table 1 3 USB 7250 Pin 22 Table 1 4 USB 7250 l OSignal Description 22 List of Tables ix ADLINIC TE E This page intentionally left blank X List of Tables USB 7230 7250 1 Introduction 1 1 Overview The USB 7230 7250 are USB based digital
5. Important Safety Instructions 37 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 38 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 7230 7250 Getting Service Contact us should you require any service or assistance ADLINK Technology Inc Address No 166 Jian Yi Road Zhonghe District New Taipei City 235 Taiwan 166 9 Tel 886 2 8226 5877 Fax 886 2 8226 5717 Email service adlinktech com Ampro ADLINK Technology Inc Address 5215 Hellyer Avenue 110 San Jose CA 95138 USA Tel 1 408 360 0200 Toll Free 1 800 966 5200 USA only Fax 1 408 360 0222 Email info adlinktech com ADLINK Technology China Co Ltd Address
6. ADLINK USB 7230 7250 USB 2 0 based Digital I O Module User s Manual Manual Rev 2 00 Revision Date Nov 16 2012 Part No 50 12138 2000 Recycled Paper Advance Technologies Automate the World ADLINK BA Revision Revision History Release Date Description of Change s 2 00 Nov 16 2012 Initial release USB 7230 7250 Preface Copyright 2012 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 special 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 Environmen
7. Getting NR E RE RE ERR Rae na aal 39 vi Table of Contents USB 7230 7250 List of Figures Figure 1 1 USB 7230 7250 Module Rear View 6 Figure 1 2 USB 7230 7250 Module Side View 7 Figure 1 3 USB 7230 Module Front 8 Figure 1 4 USB 7250 Module Front 9 Figure 1 5 Module Stand Connector and USB Cable 10 Figure 1 6 Module Stand amp Wall Mount Kit Side View w connec tions 11 Figure 1 7 Module in Stand Front View 12 Figure 1 8 Module Stand Top View 13 Figure 1 9 Module Stand Side Cutaway View 14 Figure 1 10 Module Stand Front 14 Figure 1 11 Mount 15 Figure 1 12 Module Pre Rail Mounting 16 Figure 1 13 Module Rail Mounted 17 Figure 1 14 Wall Mount Holes pp 18 Figure 1 15 Module with Wall Mount Apparatus 19 Figure 2 1 Device ID Selection 24 Figure 3 1 USB 7230 Functional Block Diagram 27 Figure 3 2 USB 7250 Functional Block Diagram
8. 4 1 General 22 2 1 4 2 Digital Input 2 1 4 3 Digital Output DO 3 1 5 Software 2 4 1 6 Driver Support for 4 1 7 Utilities for Windows 5 1 8 Schematics and Dimensions 6 1 8 1 Mod le X 6 1 8 2 Module 9 1 8 3 Rail Mounting cedet 15 1 8 4 Wall 18 1 9 Connector Pin Assignment pp 20 2 Getting Started MP 23 2 1 Unpacking 0 0 2 23 2 2 Connecting the USB 7230 7250 Module 23 23 Device ID o AE eng 24 Table of Contents V ADLINK BA TECHNOLOGY INC 3 OperatlOnS correre Run ce e ese Enn 27 3 1 Isolated Digital 0 28 3 2 Change of State COS 29 3 3 Optical Isolated Frequency Event Counter 31 3 4 Digital Filtering iiiter eei 33 3 5 Isolated Digital Output USB 7230 only 34 3 6 Relay Output USB 7250 only 35 Important Safety 37
9. V a AVANAN 8 G i p 0 Figure 1 5 Module Stand Connector and USB Cable 10 Introduction USB 7230 7250 200 1 j LI cick 156 5 Figure 1 6 Module Stand amp Wall Mount Kit Side View w connections Introduction 11 ADLINK T n USB Za 1 NG Alia NG O GPIG PIs DEND AGND Pli 01 lt DGND AGND AISE 07 ANS AG ANS AB AnS O AIS ANI AB E AKO AN 9 AIO O AB S Figure 1 7 Module Stand Front View 12 Introduction USB 7230 7250
10. friendly interface Download and install U Test from http www adlinktech com Introduction 5 ADLINIC 1 8 Schematics and Dimensions dimensions shown millimeters 1 8 1 Module Y 9 aH 27 Figure 1 1 USB 7230 7250 Module Rear View 6 Introduction USB 7230 7250 114 TECHNOLOGY ING 156 5 Figure 1 2 USB 7230 7250 Module Side View Introduction 7 ADLINIC n 0114 2 18 piti L8 Dno 817 8 Figure 1 3 USB 7230 Module Front View 8 Introduction USB 7230 7250 ele Ti e kai i is Figure 1 4 USB 7250 Module Front View 1 8 2 Module Stand The multi function USB 7230 7250 stand is compatible with desk or wall mounting To fix the module in the stand slide the mod ule body into the stand until a click is heard To remove the module Introduction 9 ADLINIC from the stand twist the bottom of the stand back and forth motion and separate from the module y BEBEFREREBESSISSSSSEES pnnnnnnnnnnnnnnnnnnn
11. 1 0 modules featuring high voltage ON OFF control and monitoring and isolation voltage supported up to 2500 The USB 7230 provides 32 channel isolated digital 2 channel frequency event counters and USB 7250 provides 8 channel isolated digital inputs 8 channel solid state relays and 2 channel frequency event counters The USB powered USB 7230 7250 have removable screw down terminals for easy device connectivity and the included multi func tional stand fully supports desktop rail or wall mounting The USB 7230 7250 are suitable for industrial I O control applica tions requiring high voltage and excellent protection High isolation voltage protects against damage from accidental contact with high external voltage and eliminates troublesome ground loops U Test a free ready to use testing program is included to enable opera tion or testing of all ADLINK USB DAQ series functions with no programming requirement 1 2 Features High speed USB 2 0 USB powered USB 7230 16CH isolated DI 16CH isolated DO 2CH fre quency event counters gt USB 7250 8CH solid state relays 8CH isolated DI 2CH frequency event counters gt Programmable digital filter removing unexpected glitches on input channels Programmable initial DO status Up to 2500 isolation voltage Removable screw down terminal on module Lockable USB cable for secure connectivity Ready to use testing application U Test included
12. 30 7250 AS eens tae we Cee NO OY a a a Ne s Eni NS NYA Figure 1 15 Module with Wall Mount Apparatus 19 Introduction ET A ADLINK TECHNOLOGY INC 1 9 Connector Pin Assignment The USB 7230 7250 module is equipped with 40 pin removable screw down terminal connectors with pin assignment as follows Pin Function Pin Function 20 VDD 40 DO15 19 DO7 39 0014 18 006 38 0013 17 005 37 0012 16 004 36 0011 15 003 35 0010 14 002 34 009 13 001 33 008 12 000 32 IGND 11 IGND 31 IGND 10 CNTO 30 CNT1 9 CGND 29 COM 8 DI7 28 0115 7 016 27 0114 6 015 26 0113 5 014 25 0112 4 013 24 0111 3 DI2 23 DI10 2 DI1 22 DI9 1 DIO 21 018 Table 1 1 USB 7230 Pin Assignment Signal Name Reference Direction Description DI 0 15 COM Isolated digital input channel 20 Introduction USB 7230 7250 Signal Name Reference Direction Description COM Common ground or common power of isolated digital input channel lt 0 1 gt CGND Frequency event counter channel CGND Ground of Frequency event counter DO lt 0 15 gt IGND Isolated digital output channel IGND Ground return path for isolated output channel VDD IGND Common power input ju
13. 300 201203 300 Fang Rd Zhangjiang Hi Tech Pudong New Area Shanghai 201203 China Tel 86 21 5132 8988 86 21 5132 3588 Email market adlinktech com ADLINK Technology Beijing Address 1 52168 AE E 801 100085 Rm 801 Power Creative E No 1 B D Shang Di East Beijing 100085 China Tel 86 10 5885 8666 86 10 5885 8625 market adlinktech com ADLINK Technology Shenzhen Address A1 2 C 518057 2F Block Bldg 1 Cyber Tech Zone Gao Xin Ave Sec 7 High Tech Industrial Park S Shenzhen 518054 China Tel 86 755 2643 4858 Fax 86 755 2664 6353 Email market adlinktech com ADLINK Technology Europe GmbH Address Nord Carree 3 40477 Duesseldorf Germany Tel 49 211 495 5552 49 211 495 5557 emea adlinktech com Getting Service 39 ET ADLINK TECHNOLOGY INC 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 3 7 4 374 AF KANDA374 Bldg 4F 3 7 4 Kanda Kajicho Chiyoda ku Tokyo 101 0045 Japan
14. al input pair preventing connections from being polarity sensitive irrespective of the connected voltage For USB 7230 all digital inputs share the same common junc NOTE 28 Operations USB 7230 7250 3 3V 24kQ PHOTO COUPLER Figure 3 3 USB 7230 Isolated Input 3 3V Figure 3 4 USB 7250 Isolated Input 3 2 Change of State COS Detection COS Change of State refers to input state logic level changing from low to high or vice versa wherein the COS detection circuit registers the edge of the level change Operations 29 A ADLINK TECHNOLOGY INC In the USB 7230 7250 the COS detection circuit is applied to all DI channels with the channel s to enable COS detection select able by software When an enabled channel changes logic level the COS detection circuit generates an interrupt request to the USB microcontroller which when detected latches corresponding DI data into the COS latch register In COS architecture DI data is sampled by a 48 MHz base clock such that pulse width of the dig ital input exceeds 21 ns or the COS latch register cannot latch the correct input data The COS latch register is cleared when the reg ister is read out resuming availability to latch the susequent COS latency and computer performance and is not guaranteed if Maximum frequency of COS detection depends software COS frequency exceeds 1 kHz NOTE Dig
15. for Windows UD DASK UD DASK is composed of advanced 32 64 bit kernel drivers for customized application development USB DASK enables you to perform detailed operations and achieve superior perfor mance and reliability from the data acquisition system DASK ker nel drivers now support Windows 7 OS Only UD DASK versions 1 0 5 and later support the USB 7230 7250 module NOTE DAQPilot DAQPilot is a SDK with a graphics driven interface for various application development environments DAQPilot represents ADLINK s commitment to full support of its comprehensive line of data acquisition products and is designed for novice to most 4 Introduction USB 7230 7250 experienced programmers As a task oriented DAQ driver SDK and wizard for Windows systems DAQPilot helps shorten devel opment time while accelerating the learning curve for data acquisi tion programming Download and install DAQPilot from http www adlinktech com TM DAQPilot html Only UD DASK versions 2 3 4 1109 and later and later sup port the USB 7230 7250 module NOTE 1 7 Utilities for Windows U Test U Test is a and ready to use utility assisting instant testing and operation of all ADLINK USB DAQ product functions with no programming requirment In addition to data collection and moni toring functions U Test also supports basic FFT analysis and direct control of analog output and digital I O with a user
16. frequency error 0 5 f lt 50kHz 1 50kHz lt f lt 500kHz 2 500kHz lt f lt 1MHz Data transfer Programmed 1 4 3 Digital Output DO USB 7230 Channels 16 optical isolation Output type Open drain MOSFET Supply voltage 5 35VDC Max sink current 250 mA 100 duty channel Data transfer Programmed 1 USB 7250 Channels 8 solid state relay non latching Contact rating channel Max switching power 60 W 125 VA Max switching voltage Max switching current 2 Relay ON OFF time Operate time 2ms Release time 1 ms Contact resistance 75mQ max Expected lifetime 50 VDC 0 1A resistive 1 106 operations Introduction 220 VDC 250VAC ADLINK pM CHNOLOGY INC Breakdown voltage 1000 VAC Data transfer Programmed 1 0 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 other application envi ronments such LabVIEW and MATLAB ADLINK also pro vides ActiveX component ware for measurement 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 use 1 6 Driver Support
17. ital Filter 0 7 Digital 018 0115 Filter 8 15 Figure 3 5 COS Detection Architecture 30 Operations USB 7230 7250 DI an all channels 0027 0028 0029 FFFF enable Interrupt Lb o Request Interrupt Clear cos Latch XXXX 0028 FFFF register Figure 3 6 COS Example 3 3 Optical Isolated Frequency Event Counter Calculates the number of rising or falling edges occurring on the input channel with counter width of 32 bits counting up from 0 The polarity rising or falling edge of valid events is software con figurable 5V 3 3V CNTn PHOTO COUPLER Figure 3 7 USB 7230 7250 Optical Isolated Frequency Event Counter The frequency counter base clock is 48MHz The frequency coun ter calculates base clocks occurring within a period rising edge to rising edge or falling edge to falling edge of the repetitive input signal which is then converted to frequency value Counter polar ity can be adjusted to rising edge active or falling edge active The following example shows frequency measurement of a 1 MHz signal by counterO with rising edge polarity and 500 kHz signal by Operations 31 ADLINK pM CHNOLOGY INC counter1 with falling edge polarity Counter value is updated and reset in every period TLE LE CNTO Polarity Freq 1 MHz CNTO CNTO
18. led before connection to driver support information WARNING 2 1 Unpacking Checklist Before unpacking check the shipping carton for any damage If the shipping carton and or contents are damaged inform the dealer immediately Retain the shipping carton and packing materials for inspection Obtain authorization from the dealer before returning any product to ADLINK Ensure that the fol lowing items are included in the package gt vw ww ww 2 2 USB 7230 7250 Stand Two removable screw terminals USB cable 2 meter length Railmount kit ADLINK All in One CD Users manual Connecting the USB 7230 7250 Module Turn on the computer Connect the USB 7230 7250 module to one USB 2 0 port on the computer using the included USB cable The first time the USB 7230 7250 module is connected a New Hardware message appears It will take a few seconds to load the firmware When loading is complete the LED indicator on the rear of the USB DAQ module changes from amber to green and the New Hardware message closes The USB 7230 7250 module can now be located in the hardware Device Manager Getting Started 23 ADLINIC USB port and requires 400 mA 0 5 V If the USB 7230 7250 module cannot be detected power provided by the USB port may be insufficient USB 7230 7250 module is exclusively powered by the NOTE 2 3 Device ID A rotary control on the rear of the module a
19. n the output is switched The DO output status is saved in the USB microcontroller and can be read back if necessary The USB 7230 also features programmable power up output sta tus allowing output in a known state when powered on When the module is powered off ejected from the USB port all digital out put reverts to OFF 34 Operations USB 7230 7250 VDD DO_n Controller n 0 15 IGND Figure 3 11 USB 7230 Isolated Output 3 6 Relay Output USB 7250 only USB 7250 provides Form C and Form A relays with channels 0 to 3 Form C and 4 to 7 form A as shown e NO NO COM COM NC NC Control bit Low 0 Control bit High 1 Figure 3 12 Form C Relay COM O NO COM C Control bit Low 0 Control bit High 1 Figure 3 13 Form A Relay Form C relays have NC Normal Close NO Normal Open and COM Common contacts The COM terminal located in the cen ter must contact either the NO pole or NC pole When the control bit is high 1 contact is made between the COM terminal and NO pole and if low 0 between the COM terminal and NC pole Form Operations 35 ADLINK pM CHNOLOGY INC A relays have only NO Normal Open and COM Common con tacts When the control bit is high 1 the COM terminal znd NO pole contact If the control bit is low 0 no contact takes place Current relay output status can be read back by software and dur ing normal power up reset and po
20. nction for isolated output channel Table 1 2 USB 7230 I O Signal Description Pin Function Pin Function 20 NO7 40 GND1 19 COM7 39 CNT1 18 NO6 38 GNDO 17 COM6 37 CNTO 16 NO5 36 DI7L 15 5 35 DI7H 14 NO4 34 DI6L 13 COM4 33 DI6H 12 NC3 32 DI5L 11 NO3 31 DI5H 10 COM3 30 DI4L 9 NC2 29 DI4H 8 NO2 28 DI3L 7 COM2 27 DI3H 6 NC1 26 DI2L 5 NO1 25 DI2H Introduction 21 ADLINK BA CHNOLOGY INC Pin Function Pin Function 4 COM1 24 DI1L 3 NCO 23 DI1H 2 NOO 22 DIOL 1 COMO 21 DIOH Table 1 3 USB 7250 Pin Assignment Signal Name Reference Direction Description COM lt 0 7 gt Common of relay lt 0 7 gt lt 0 7 gt lt 0 7 gt Normal open pin of relay lt 0 7 gt lt 0 3 gt lt 0 3 gt Normal close pin of relay lt 0 3 gt 01 lt 0 7 gt DI lt 0 7 gt L High input of isolated differential digital input DI lt O 7 gt L 7 Low input of isolated differential digital input lt 0 1 gt GND lt 0 1 gt 1 Frequency event counter channel GND 0 1 Ground of Frequency event counter Table 1 4 USB 7250 l OSignal Description 22 Introduction USB 7230 7250 2 Getting Started the computer system See Section 1 5 Software Support for The appropriate driver must be instal
21. s shown controls device ID setting and can be set from 0 to 7 The device ID allows dedicated control of the USB 7230 7250 module irrespective of the connected USB port When more than one USB module of the same type is connected each must be set to a different ID to avoid conflicts and errors in operation 4 4 Figure 2 1 Device ID Selection Control 24 Getting Started USB 7230 7250 All remaining hardware configuration is 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 ADLINIC This page intentionally left blank 26 Getting Started USB 7230 7250 3 Operations 2 Counter Figure 3 1 USB 7230 Functional Block Diagram The USB 7250 provides 8CH optical isolation digital inputs 8CH relay outputs 4CH form C 4CH form and 2CH fre quency event counters Operations 27 ADLINIC 4 form 4 form A 2 Counter Figure 3 2 USB 7250 Functional Block Diagram 3 1 Isolated Digital Input The USB 7230 7250 support 16 or 8 opto isolated input chan nels as follows with digital input first routed through a photo cou pler PC3H4 and normal input voltage range for high state from 5 to 24V tion COM with connections either common power or com mon ground and with USB 7250 each input channel has an individual differenti
22. se width of the first two sig nals is 180 ns shorter than the specified filter value 208 3 ns Accordingly the first two pulses are ignored and the next two sig nals with pulse width of 230 ns longer than the specified filter value 208 3 ns are recognized When pulse width of last two sig Operations 33 ADLINK BA CHNOLOGY INC nals is 180 ns when filter is disabled definitely the last two states are recognized Right ish sh shi p EMEN 000A Pulse Width 180 ng T Pulse Width 210 ns Pulse Width 180 ng filter in Pulse Width 180 ng Pulse Width 210 ns Pulse Width 180 ns i Pulse Width 210 ns filter out i Pulse Width 210 ns em Figure 3 10 Digital Filter Example To reject a signal deviating from a state for the specified period of time minimum pulse width the filter stage must be set to agree with 20 83 ns x filter stage minimum pulse Width ns 3 5 Isolated Digital Output USB 7230 only As shown when isolated digital output is ON sink current is con ducted through the power MOSFET and when OFF no current flows through the power MOSFET When the load is of an induc tance nature such as a relay coil or motor the VDD pin must be connected to an external power source in order for the flywheel diode to form a current release closed loop protecting the power MOSFET from high reverse voltage generated by the inductance load whe
23. tal 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 Conventions Take note of the following conventions used throughout this manual to make sure that users perform certain tasks and instructions properly Preface ADLINK pM ECHNOLOGY INC 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 7230 7250 Table of Contents Revision HISEIOFV bd tion duke eden donde Ge ii iii List of FIgUres TU vii 1 ntFOdU Ia 1 1 1 eth eal 1 1 2 1 1 3 Applications etd ti 2 14 SpecifiCatiOris ie tein ha Rd 2 1
24. wer down ejection from USB port the relay is low status In addition USB 7250 also features programmable power up output status providing output state when powered up 36 Operations USB 7230 7250 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 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 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
25. www ww Introduction 1 ADLINK BA CHNOLOGY INC 1 3 Applications Automotive testing Laboratory research Industrial MO control Signal switching 1 4 Specifications 1 4 1 General Specifications Physical Power and Operating Environment High speed USB 2 0 compatible mini USB connector 156 5 L x 114 W x 41 3 H mm 6 16 X 4 49 X 1 63 in Connector Two 20 pin removable screw down terminals Power requirement USB power 5 V 400 mA Ambient temperature 0 to 55 C Relative humidity 10 to 90 non condensing Interface Dimensions Operating environment Ambient temperature 20 to 70 C Relative humidity 5 to 95 non condensing Storage environment 1 4 2 Digital Input DI USB 7230 USB 7250 Optical Isolated Input Number of channels 16 8 Polarity Bi directional non polarity Logic level VIH 5 24V VIL 0 1 5V Or dry contact Input resistance 2 4k 0 5W Isolated voltage 2500Vpms channel to system 2 Introduction 05 7230 7250 05 7230 05 7250 Min pulse width for change of state COS detection 20 83 ns software programmable Data transfer Programmed Optical Isolated Frequency Event Counter DC coupled Number of channels 2 Logic level VIH 5 12V VIL 0 1 5V Event counter width 32 bit Max input frequency 1 MHz DC coupled Min input frequency 0 1 Hz Max
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