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iDAQ-817_821 User Manual

2

1.1

Overview

This  chapter  provides  an  overview  of Advantech  industrial  data  acquisition  (iDAQ)

modules  for  iDAQ-817  and  iDAQ-821,  ranging  the  product  lineups,  features  and

accessories.
iDAQ-817 is an 8-channel analog input module. It features a maximum sampling rate

of 200kS/s multiplexing, high common-mode voltage  275  V

DC

, input isolation,  and

low-pass filter. It’s suitable for generic test and measurement use.
iDAQ-821 is a 4-channel analog output module. It features maximum update rates of

10 kS/s/ch, output isolation and analog output fail-safe. It’s suitable for most basic DC

output and device control scenarios.

1.2

Product Overview

iDAQ-817
 

Figure 1.1 Overview of iDAQ-817

iDAQ-821
 

Figure 1.2 Overview of iDAQ-821

 

Содержание iDAQ-817

Страница 1: ...User Manual iDAQ 817 iDAQ 821 Analog Input and output Industrial DAQ Modules ...

Страница 2: ...h assumes no liability under the terms of this warranty as a consequence of such events Because of Advantech s high quality control standards and rigorous testing most customers never need to use our repair service If an Advantech product is defective it will be repaired or replaced free of charge during the warranty period For out of warranty repairs customers will be billed according to the cost...

Страница 3: ... harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Opera tion of this equipment in a residential area is likely to cause harmful interference In this event users are required...

Страница 4: ...AQ 817 x 1 10 pin terminal block x 2 Startup Manual x 1 iDAQ 821 iDAQ 821 x 1 10 pin terminal block x 1 Startup Manual x 1 Warning Warnings indicate conditions that if not observed can cause personal injury Caution Cautions are included to help prevent hardware damage and data losses For example Batteries are at risk of exploding if incorrectly installed Do not attempt to recharge force open or he...

Страница 5: ...pour liquid into an opening This may cause fire or electrical shock 13 Never open the equipment For safety reasons the equipment should be opened only by qualified service personnel 14 If any of the following occurs have the equipment checked by service person nel The power cord or plug is damaged Liquid has penetrated the equipment The equipment has been exposed to moisture The equipment is malfu...

Страница 6: ...ies könnte einen Brand bzw elektrischen Schlag aus lösen 13 Öffnen Sie niemals das Gerät Das Gerät darf aus Gründen der elektrischen Sicherheit nur von authorisiertem Servicepersonal geöffnet werden 14 Wenn folgende Situationen auftreten ist das Gerät vom Stromnetz zu trennen und von einer qualifizierten Servicestelle zu überprüfen Netzkabel oder Netzstecker sind beschädigt Flüssigkeit ist in das ...

Страница 7: ...e To avoid electrical shock always disconnect the power from the PC chassis before manual handling Do not touch any components on the CPU card or other cards while the PC is powered on Disconnect the power before making any configuration changes A sudden rush of power after connecting a jumper or installing a card may damage sensitive electronic components ...

Страница 8: ...iDAQ 817_821 User Manual viii ...

Страница 9: ...tion 7 Figure 2 3 Common mode input voltage 7 2 3 2 Analog Output Connection 8 Figure 2 4 Analog output signal connection 8 2 3 3 Pin Assignment 9 Figure 2 5 Pin Assignment for iDAQ 817 9 Table 2 1 Pin Assignment for iDAQ 817 9 Figure 2 6 Pin Assignment for iDAQ 821 9 Table 2 2 Pin Assignment for iDAQ 821 9 Chapter 3 Function Details 11 3 1 Function Details 12 3 2 Analog Input 12 3 2 1 Instant Ana...

Страница 10: ...t waveform genera tion with delay 16 3 3 3 Analog Output Isolation 17 3 3 4 Analog Output Fail safe Function 17 3 4 Device Description and Configuration 17 Figure 3 10Device description shown in Navigator 18 3 5 Field Application Notes 18 3 5 1 DAC Code Change Glitch 18 3 5 2 Output Status When Changing Range 18 Appendix A Specifications 19 A 1 Analog Input iDAQ 817 20 A 2 Analog Output iDAQ 821 2...

Страница 11: ...Chapter 1 1 Start Using iDAQ 817 821 ...

Страница 12: ...imum sampling rate of 200kS s multiplexing high common mode voltage 275 VDC input isolation and low pass filter It s suitable for generic test and measurement use iDAQ 821 is a 4 channel analog output module It features maximum update rates of 10 kS s ch output isolation and analog output fail safe It s suitable for most basic DC output and device control scenarios 1 2 Product Overview iDAQ 817 Fi...

Страница 13: ...ormation 1 3 3 Plug and Play Device The iDAQ modules are hot swappable in the iDAQ chassis The modules will be rec ognized instantly in the software Installed Devices list when they are plugged into the iDAQ slots and they can be removed as soon as they are disabled in the soft ware Therefore it s strongly recommended to operate these actions whilst the sys tem is in idle mode not data acquisition...

Страница 14: ... be installed via XNavi installer They could be found under C Advantech DAQNavi default directory after the finishing the installation 1 7 Application Software DAQNavi MCM DAQNavi MCM is an application software focusing on high speed data acquisition data monitoring and network access It provides a graphical interface for users to achieve DAQ configuration data pre processing feature extraction us...

Страница 15: ...Chapter 2 2 Installation Guide ...

Страница 16: ...Q modules 1 Startup manual 1 Terminal blocks If anything in the packing list is missing please contact your local support for further assistance 2 2 Installation Below are the steps to insert the iDAQ modules into the iDAQ chassis 1 Insert the module follow the guide rail to the end 2 Screw the two thumb screws tight onto the chassis Figure 2 1 iDAQ Module Install into iDAQ Chassis ...

Страница 17: ...independently by software to measure voltage or current When measuring a current a precision resistor is connected between both input terminals to convert the current value into a voltage value When measuring a voltage on the other hand the precision resistor is disconnected Every channel is equipped with a high common mode voltage amplifier that can with stand high common mode input voltage as sh...

Страница 18: ...s 2 3 2 Analog Output Connection For an analog output channel to work a digital form of data is sent to the digital to analog converter DAC through a galvanic isolator The DAC then outputs the corre sponding voltage or current to the external load Figure 2 4 shows the analog output signal connection Figure 2 4 Analog output signal connection The analog output channels are of single ended type henc...

Страница 19: ...ble 2 1 Pin Assignment for iDAQ 817 Pin Name Description Pin Number AI n Analog input n positive terminal n 0 7 2 4 6 18 AI n Analog input n negative terminal n 0 7 3 5 7 19 GND Ground 1 10 11 20 Table 2 2 Pin Assignment for iDAQ 821 Pin Name Description Pin Number AO0 Analog output 0 2 AO1 Analog output 1 4 AO2 Analog output 2 7 AO3 Analog output 3 9 GND Ground 1 3 5 6 8 10 ...

Страница 20: ...iDAQ 817_821 User Manual 10 ...

Страница 21: ...Chapter 3 3 Function Details ...

Страница 22: ...cument for the individual iDAQ module 3 2 1 Instant Analog Input Acquisition With instant analog input acquisition the software controls the sample timing The analog to digital converter ADC is continuously converting analog input signals by its maximum allowable conversion rate Each time the software sends a read instant analog input sample command the most recent conversion result is sampled as ...

Страница 23: ...each rising edge of the sample clock acquires one analog input sample The acquisition active period lasts until a stop trigger is received which ends the acquisition This is shown in Figure 3 3 Figure 3 3 Start and stop triggers of the analog input acquisition The start and stop of data acquisition can also be delayed in the number of samples after receiving the corresponding trigger signal As sho...

Страница 24: ... Common mode input voltage VCM is the ground voltage difference between the source and the device as shown in Figure 3 5 Figure 3 5 Common mode input voltage This is suitable for applications which measure voltages with high common modes such as battery cell voltage monitoring high voltage current sensing or power sup ply current monitoring For other analog input measurement devices without this f...

Страница 25: ...nternal side This prevents the internal components and the host devices e g PC from damaging when such fault condition happens 3 3 Analog Output Insert an iDAQ module supporting analog output function to perform analog output update generation The following sections describe the analog output update genera tion mechanism They all apply to iDAQ 821 3 3 1 Static Analog Output Update With static anal...

Страница 26: ...alog output sample The generation active period lasts until a stop trigger is received which ends the gen eration This is shown in Figure 3 8 Figure 3 8 Start and stop of the analog output waveform generation The start and stop of generation can also be delayed in number of samples after receiving the corresponding trigger signal As shown in Figure 3 9 the start of gener ation is delayed by 3 samp...

Страница 27: ...pstream communication is disconnected the value of the analog output channels cannot be controlled by the software anymore and will keep at the last value before disconnection This may cause harmful operation for the external devices which is begin controlled by the analog output channels The analog output fail safe function can be enabled to solve this problem If enabled the value of the analog o...

Страница 28: ...r when the most significant bit of the DAC code changes To preserve the slew rate and settling time specifications no further signal condition ing is applied in the device If the glitches are unacceptable an external low pass deglitching filter can be used to reduce the glitches However users should verify that the frequency response and distortion of the signal due to the deglitching filter can s...

Страница 29: ...Appendix A A Specifications ...

Страница 30: ...gurable Convert clock rate 200 kHz Internal data buffer FIFO size 512 samples Absolute accuracy Voltage input Operating temperature within 5 C of last auto calibration temperature 0 01 of full scale range max Over full operating temperature range 0 05 of full scale range max Current input Operating temperature within 5 C of last auto calibration temperature 0 1 of full scale range max Over full op...

Страница 31: ...figurable Internal data buffer FIFO size 512 samples Absolute accuracy Voltage output Operating temperature within 5 C of last Auto calibration temperature 0 01 of full scale range max Over full operating temperature range 0 05 of full scale range max Current output Operating temperature within 5 C of last Auto calibration temperature 0 1 of full scale range max Over full operating temperature ran...

Страница 32: ...W typ 2 900 mW max Module dimensions 100 x 80 x 25 mm 3 94 x 3 15 x 0 98 in Operating temperature 20 C to 60 C 4 F to 140 F Storage temperature 40 C to 70 C 40 F to 158 F Operating humidity 10 to 90 RH non condensing Storage humidity 5 to 95 RH non condensing Vibration 5GRMS Shock 30G A 4 Function Block iDAQ 817 iDAQ 821 ...

Страница 33: ...Appendix B B System Dimensions ...

Страница 34: ...ons 11 13 15 17 19 2 4 6 14 20 1 3 5 7 9 16 18 12 10 8 AI0 AI0 AI1 AI1 AI2 AI2 AI3 AI3 AI4 AI4 AI5 AI5 AI6 AI6 AI7 AI7 GND GND GND GND iDAQ 817 iDAQ 817 AI0 AI0 ADC AI7 AI7 iDAQ 817 8 ch 16 bit 200kS s 275V Common Mode Voltage 10V 20mA Analog Input ...

Страница 35: ...25 iDAQ 817_821 User Manual Appendix B System Dimensions ...

Страница 36: ...re subject to change without notice No part of this publication may be reproduced in any form or by any means such as electronically by photocopying recording or otherwise without prior written permission from the publisher All brand and product names are trademarks or registered trademarks of their respective companies Advantech Co Ltd 2021 ...

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