DNA-AI-222 Product Manual - United Electronic Industries
Contents
1. 00 Tepen EnA lh hh 9 2 2 Configuring the Resource String llle 9 2 3 Configuring the Input 2 lisse eh 9 2 3 1 Resistance Measurement 00000 e eee 9 2 3 2 RTD Measurement 0 0 raai i a a a E 10 2 4 Configuring the Timing a s ereirsreridiridti eee 10 2 5 Read Data oou re ETEEN EEE D E E T RE 11 2 6 Cleaning up the Session liliis 11 Chapter 3 Programming with the Low level API eese 12 Q ined Electronic Industries ne Das ied A M O T i ar DNA DNR AI 222 RTD Resistance Input Board DNA DNR AI 222 RTD Resistance Input Board Figures List of Figures 1 1 Block Diagram of the Al 222 Layer ssssssssssssee eene eene nennen nnns 5 1 2 The DNR AI 222 Analog Input Layer ssesssseeeeneeeneeennn 6 1 3 Pinout Diagram of the Al 222 Layer eene nennen nnns 7 1 4 Wiring for 2 3 4 wire RTD for the AI 222 Layer 8 A 1 Pinout and photo of DNA STP 62 screw terminal panel c cccceceeeeeeeeeeeeeeeees 13 Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 ManualLOF fm Chapter 1 1 4 Organization of Manual Copyright 2015 United Electronic Industries Inc DNA DNR AI 222 RTD Resistance Input Board Chapter 1 Introduction Introduction This document outlines the feature set and use of the DNx Al 222 board The DNx Al 222 is a 12 channel analog2. 6 ppm typical 15 ppm max Input impedance gt 5000 MQ Anti Aliasing filtering 47 6 of sample rate 100 dB decade 50 60 400 Hz notch filtering gt 70 dB at sample rate 20 Hz or less Isolation 350 Vrms chan to chan amp chan to chassis Overvoltage protection 15 V to 15 V power on or off current must be limited to 20 mA Power consumption 4W max Operating temp tested 40 C to 85 C Operating humidity 95 non condensing Vibration IEC 60068 2 6 IEC 60068 2 64 5 g 10 500 Hz sinusoidal 5 g rms 10 500Hz broadband random Shock IEC 60068 2 27 50 g 3 ms half sine 18 shocks 6 orientations 30g 11 ms half sine 18 shocks 6 orientations MTBF 230 000 hours mode can be used for burnout open detection recommended for RTDs Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 Chap1x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 1 5 Introduction 1 5 Device Figure 1 1 is a block diagram of the architecture of the Al 222 layer Architecture i c Channel 0 Sg E FPGA E B 6 CHO A Input BB HB 24 bit ADC Channel tg CHOC Data 9g np LCHO D 8 o 4 99kQ reference E D 5ppm typ C 2 S S octo s ON ee a O z gt Control T a g Channels 1 11 Logic a
3. 15 36 56 14 35 J2 5 position terminal block SHIELD GND 62 42 21 2 Is wn n Figure A 1 Pinout and photo of DNA STP 62 screw terminal panel Tel 508 921 4600 Date January 2015 www ueidaq com Vers 4 6 DNx Al 222 AppxA fm 13 DNA DNR AI 222 RTD Resistance Input Board Index B J Block Diagram 5 8 Jumper Settings 4 C L Cable s 13 Low level API 12 Configuring the Resource String 9 Connectors and Wiring 7 Conventions 2 O Organization 1 Creating a Session 9 S H Screw Terminal Panels 13 High Level API 9 Setting Operating Parameters 4 Specifications 4 Support ii Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 Untied Electronic industries Ing Date January 2015 DNx Al 222 ManuallX fm
4. 2015 i Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 Chap2x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 3 Programming with the Low level API Chapter 3 Programming with the Low level API The PowerDNA cube and PowerDNR RACKtangle and HalfRACK can be pro grammed using the low level API The low level API offers direct access to Pow erDNA DAQBios protocol and also allows you to access device registers directly However we recommend that when possible you use the UeiDaq Framework High Level API see Chapter 2 because it is easier to use You should need to use the low level API only if you are using an operating system other than Win dows For additional information about low level programming of the Al 222 please refer to the PowerDNA API Reference Manual document under Start Programs UEI PowerDNA Documentation Refer to the PowerDNA API Reference Manual on how to use low level func tions of Al 222 as well as others related to cube operation c EAD IOR C M UU C d Xsnmns M P ce n o P Hme c Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 Chap3 fm A Accessories DB 62 female 62 pin connector 21i ae je DNA DNR AI 222 RTD Resistance Input Board Ap
5. 4600 United Electronic Industries Inc www ueidaq com Date January 2015 Vers 4 6 DNx Al 222 Chap1x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 2 Programming with the High Level API Chapter2 Programming with the High Level API This section describes how to control the DNx Al 222 using the UeiDaq Frame work High Level API UeiDaq Framework is object oriented and its objects can be manipulated in the same manner from different development environments such as Visual C Visual Basic or LabVIEW The following section focuses on the C API but the concept is the same no matter what programming language you use Please refer to the UeiDaq Framework User Manual for more information on use of other programming languages 2 1 Creating a The Session object controls all operations on your PowerDNx device Therefore Session the first task is to create a session object create a session object for input CUeiSession aiSession 2 2 Configuring X UeiDaq Framework uses resource strings to select which device subsystem the Resource and channels to use within a session The resource string syntax is similar to a device class gt lt IP address gt lt Device Id Subsystem Channel list For PowerDNA and RACKtangle the device class is pdna For example the following resource string selects analog input lines 0 1 2 3 on device 1 at IP address 192 168 100 2 pdna 192 168 100 2 Dev1 Ai0 3 as a r
6. E e 2 E E EE 2 2 DO1 e e DIO ea JC DIGITAL I C BUS 5 0 a JC CLK CJC PWR CJC GND Isolated DC DC DIO GND gt sw controlled Figure 1 1 Block Diagram of the Al 222 Layer Each AI 222 has twelve differential input channels designed for high resolution analog voltage signal measurement Each channel has 24 bit sampling resolution and maximum sampling rate of 150 samples per second one sample every 6 6 msec up to 1800 max samples per second per board Each channel is individually isolated and uses dedicated components to avoid crosstalk noise between channels and also ensures that one channel s failure e g due to accidental over voltage does not affect other channels or the board Each channel s input consists of four analog input and excitation lines The analog lines carry your input voltages to be compared differentially against one other before being sampled digitally Design was intended for RTDs but any resistance from 0 to 40kQ may be measured The analog input lines A B C D in Figure 1 1 enter through the DB 62 connector pins into a SP724 protection circuit designed to redirect ESD transients to the channel s isolated power supply before entering the A D converter There is one 24 bit A D converter per differential input channel The converter is a highly integrated precision delta sigma AZ ADC with 24 bit resolution It has a low noise programmable gain amplifier PGA with selectable gains th
7. X or OPC servers Tel 508 921 4600 www ueidaq com Vers 4 6 Date January 2015 DNx Al 222 Chap1x fm 3 1 3 Features 1 4 Specification DNA DNR AI 222 RTD Resistance Input Board The AI 222 layer has the following features e 12 fully differential analog input channels Chapter 1 Introduction 2 3 and 4 wire RTD connections per channel selectable 100 Ohm DIN and US measurements Channel to channel and channel to chassis isolation 0 005 C resolution 0 2 C accuracy 0 to 40000 Ohm resistance range Built in 50 60Hz rejection at 20S s and 400 Hz at lt 160S s Weight of 120 g or 4 24 oz for DNA AI 222 630 g or 22 2 oz with PPC5 The technical specification for the DNx Al 222 board are listed in Table 1 1 Table 1 1 DNx Al 222 Technical Specifications Number of channels 12 fully differential ADC resolution Sampling rate 24 bits 0 005 C with 100 O PT RTDs lt 0 002 Q in resistance measurement mode up to 150 samples sec per channel 1800 S S board aggregate Measurement error RTDs 100 Q PT 0 to 312 O range 0 to 1250 O range 0 to 5000 O range 0 to 40 000 O range 25 5 C over 40 C to 85 C 0 2 C 0 4 C 0 05 0 x0 10 0 1 Q 0 20 0 20 0 40 0 2 Q 0 02 1 of reading Excitation current 50 pA typical all ranges Resistance range 0 40 000 Q General A D specifications Gain error 0 005 typical Input INL error
8. ZN United Electronic wy Industries The High Performance Alternative DNx Al 222 User Manual 12 Channel fully isolated RTD resistance input board for the PowerDNA Cube and PowerDNR RACKtangle Release 4 6 January 2015 PN Man DNx Al 222 115 Copyright 1998 2015 United Electronic I ndustries I nc 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 prior written permission Information furnished in this manual is believed to be accurate and reliable However no responsibility is assumed for its use or for any infringement of patents or other rights of third parties that may result from its use All product names listed are trademarks or trade names of their respective companies See the UEI website for complete terms and conditions of sale http www ueidaq com cms terms and conditions Contacting United Electronic Industries Mailing Address 27 Renmar Avenue Walpole MA 02081 U S A For a list of our distributors and partners in the US and around the world please see http www ueidaq com partners Support Telephone 508 921 4600 Fax 508 668 2350 Also see the FAQs and online Live Help feature on our web site Internet Support Support support ueidag com Web Site www ueidaq com FTP Site ftp ftp ueidaq com Produc
9. aneously receive 24 bit values from the conversion chip and provide them in output buffer The output buffer is made accessible to standard DNx function calls and is read using software calls in either the UEIDAQ Framework see Chapter 2 or the low level API see Chapter 3 In addition to each channel s analog inputs A n and Al n described above each layer also has a digital input digital output line and digital ground line The digital lines are wired through a protection circuit directly into the main controller 1 6 Indicators A photo of the DNx Al 222 unit is illustrated below The front panel has two LED indicators e RDY indicates that the layer is receiving power and operational e STS can be set by the user using the low level framework DNA bus DNR DNF bus connector connector 4 A a ad A RDY LED STSLE y DB 62 female 62 pin I O connector Figure 1 2 The DNR Al 222 Analog Input Layer DT n Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 Peer SEINS i Date January 2015 DNx Al 222 Chap1x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 1 Introduction 1 7 Layer Figure 1 3 below illustrates the pinout of the Al 222 The Al 222 layer uses a B Connectors size 62 pin D sub connector The following signals are located at the connector and Wiring AIO to 11 analog input channel Wiring setups provided on next page e 5VDC 100mA max provides power
10. ange or as a list pdna 192 168 100 2 Dev1 Ai0 1 2 3 2 3 Configuring This section will show you how to configure your input for voltage measurement the Input or thermocouple measurement 2 3 4 Resistance Resisstance measurements are configured using the Session object method Measurement CreateResistanceChannel add three channels 0 2 and 4 to the channel list and configure the channels to measure a resistance between 0 and 5000 Ohms The resistance is connected to the DAQ device using four wires aiSession CreateResistanceChannel pdna 192 168 100 2 dev0 Ai0 2 4 0 5000 0 UeiFourWires 0 0 UeiAIChannelInputModeDifferential pO eee call Copyright 2015 f Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 Chap2x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 2 10 Programming with the High Level API Note that reading a resistance beyond this range e g a 6k resistance when con figured for 0 5k will appear as overrange or the maximum value 2 3 2 RTD RTD measurements are configured using the Session object method Measurement CreateRTDChannel RTD sensors are resistive sensors whose resistance varies with temperature Knowing the resistance of an RTD we can calculate the temperature using the Callendar Van Dusen equations RTD sensors are specified using the alpha a constant It is also known as the temperature coeffici
11. at are selected by the firmware to best match the resistance range you choose The ADC has hardware support for sensor burnout detect matched current sources for RTDs to cancel errors caused by sensor lead resistance and a digital filter that settles in one cycle Dedicating one single ADC for each input channel virtually eliminates input cross talk and channel settling time issues even when connected to high impedance signal sources Copyright 2015 f Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx AI 222 Chap1x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 1 6 Introduction The converter control amp data lines are wired through an isolation barrier to the board s main controller The 350V isolation barrier ensures that disturbances or damage to one channel does not affect other channels allowing the Al 222 to be an ideal solution for precise temperature measurement that must happen over long periods of time The main controller in addition to containing the standard logic to provide DNx functionality also contains Al 222 specific logic blocks with the role to send commands to all 12 channels provide clocking amp synchronization receive amp process data from channels and provide sampled data and configuration access to the Cube amp RACKtangle applications To perform data acquisition the main controller sends a command to sample up to all 12 analog inputs simult
12. ent of resistance which defines the resistance change factor per degree of temperature change The RTD type is used to select the proper coefficients A B and C for the Callendar Van Dusen equation which is used to convert resistance measurements to tem perature You must configure the RTD type and its nominal resistance at 0 Celsius as shown in the following example Add 4 channels 0 to 3 to the channel list and configure them to measure a temperature between 0 0 and 200 0 C The RTD sensor is connected to the DAQ device using two wires The RTD alpha coefficient is 0 00385 the nominal resistance at 0 C is 100 Ohms and the measured temperature will be returned in C aiSession CreateRTDChannel pdna 192 168 100 2 dev0 Ai0 3 0 1000 0 UeiTwoWires 0 0 UeiRTDType3850 100 0 UeiTemperatureScaleCelsius UeiAIChannellInputModeDifferential 2 4 Configuring You can configure the Al 222 to run in simple mode point by point or high the Timing throughput buffered mode ACB mode or high responsiveness DMAP mode In simple mode the delay between samples is determined by software on the host computer In buffered mode the delay between samples is determined by the Al 222 on board clock and data is transferred in blocks between PowerDNA and the host PC The following sample shows how to configure the simple mode Please refer to the UeiDaq Framework User s Manual to learn how to use other timing m
13. es up to 40kO The AI 222 provides an input resolution of better than 0 005 C or 0 002 Ohm when measuring 1000 RTDs using a range of 0 3120 An A D per channel configuration allows simultaneous sampling at rates up to 150 S s each 1800 S s aggregate The A D per channel configuration virtually eliminates input cross talk and channel settling time issues The DNx Al 222 is an ideal high accuracy RTD measurement device offering total errors of less than 0 2 C on all standard 100 Ohm RTDs This accuracy combined with the 350 VDC Vrms channel to channel and channel to chassis isolation makes the board a perfect solution for industrial temperature measurement even when using non isolated RTDs in high voltage environments The software included will perform all required RTD linearization and compensation and returns data in C K F or R when desired The software also allows the temperature conversion to be disabled and the inputs can measure resistance in Ohms up to 40 kOhms Software included with the DNx Al 222 provides a comprehensive yet easy to use API that supports all popular Windows programming languages as well as supporting programmers using Linux and most real time operating systems including QNX RTX InTime VXworks and more The UEIDAQ Framework supplies complete support for those creating applications in data acquisition software packages such as LabVIEW MATLAB Simulink DASYLab or any application which supports Active
14. for external accessories Gnd for 5VDC provides a reference ground for this power supply e DIO digital I O lines DIO digital input line DO1 digital output line DGND digital ground line DNC do not connect to these pins 21 1 Teneo NYC Y Ct YAN 4 e 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 sa 2901009999009 999 62 43 Pin Signal Pin Signal Pin Signal 1 Rsvd 22 Rsvd 43 Rsvd 2 Rsvd 23 Rsvd 44 Rsvd 3 5VDC 100 mA Max 24 Gnd for 5VDC 45 Gnd for 5VDC 4 Rsvd 25 Rsvd 46 CH11 A 5 CH11 C 26 CH11 B 47 CH11 D 6 CH10 B 27 CH10 A 48 CH10 C 7 CH9A 28 CH10 D 49 CH9 B 8 CH9 D 29 CH9 C 50 CH8A 9 CH8C 30 CH8B 51 CH8 amp D 10 CH7 B 31 CH7 A 52 CH7 C 11 CH6 A 32 CH7 D 53 CH6B 12 CH6 D 33 CH6 C 54 CH5 A 13 CH5 C 34 CH5 B 55 CH5 D 14 CH4 B 35 CH4A 56 CH4 C 15 CH3 A 36 CH4 D 57 CH3B 16 CH3 D 37 CH3 C 58 CH2 A 17 CH2 C 38 CH2B 59 CH2 D 18 CH1 B 39 CH1 A 60 CH1 C 19 CHOA 40 CH1 D 61 CHOB 20 CHO D 41 CHO C 62 DO1 21 DIO 42 DIO Gnd Figure 1 3 Pinout Diagram of the Al 222 Layer NOTE If you are using a accessory panel with the Al 222 please refer to the Appendix for a description of the panel Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 Chap1x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 1 8 Introduction 2 wire 4 wire Figure 1 4 Wiring for 2 3 4 wire RTD for the Al 222 Layer Copyright 2015 Tel 508 921
15. input module for the PowerDNA I O Cube DNA AI 222 and the DNR 1G HalfRACK RACKtangle FLATRACK chassis DNR AI 222 This Al 222 User Manual is organized as follows Introduction This chapter provides an overview of DNx Al 222 Analog Input Board features device architecture connectivity and logic Programming with the High Level API This chapter provides an overview of the how to create a session configure the session and interpret results with the Framework API Programming with the Low Level API This chapter is an overview of low level API commands for configuring and using the Al 222 series board Appendix A Accessories This appendix provides a list of accessories available for use with the DNx AI 222 board Index This is an alphabetical listing of the topics covered in this manual Tel 508 921 4600 www ueidaq com Vers 4 6 Date January 2015 DNx Al 222 Chap1x fm 1 DNA DNR AI 222 RTD Resistance Input Board Chapter 1 2 Introduction Manual Conventions To help you get the most out of this manual and our products please note that we use the following conventions Tips are designed to highlight quick ways to get the job done or to reveal good ideas you might not discover on your own NOTE Notes alert you to important information CAUTION Caution advises you of precautions to take to avoid injury data loss and damage to your boards or a system crash Text formatted in bold typeface generall
16. odes configure timing of input for point by point simple mode aiSession ConfigureTimingForSimpleIO Sau a a a co XOs c Men oca vorum meum cc Io G M a Hg e s Copyright 2015 Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx AI 222 Chap2x fm DNA DNR AI 222 RTD Resistance Input Board Chapter 2 11 Programming with the High Level API 2 5 Read Data Reading data is done using reader object s There is a reader object to read raw data coming straight from the A D converter There is also a reader object to read data already scaled to resistance or temperature The following sample code shows how to create a scaled reader object and read samples create a reader and link it to the analog input session s stream CUeiAnalogScaledReader aiReader aiSession GetDataStream the buffer must be big enough to contain one value per channel double data 2 read one scan where the buffer will contain one value per channel aiReader ReadSingleScan data 2 6 Cleaning up The session object will clean itself up when it goes out of scope or when it is the Session destroyed To reuse the object with a different set of channels or parameters you can manually clean up the session as follows clean up the session aiSession CleanUp a a IMM wr n Copyright
17. pendix A Appendix A The following cables and STP boards are available for the Al 222 layer DNA CBL 62 This is a 62 conductor round shielded cable with 62 pin male D sub connectors on both ends It is made with round heavy shielded cable 2 5 ft 75 cm long weight of 9 49 ounces or 269 grams up to 10ft 305cm and 20ft 610cm DNA STP 62 The STP 62 is a Screw Terminal Panel with three 20 position terminal blocks JT1 JT2 and JT3 plus one 3 position terminal block J2 The dimensions of the STP 62 board are 4w x 3 8d x1 2h inch or 10 2 x 9 7 x 3 cm with standoffs The weight of the STP 62 board is 3 89 ounces or 110 grams 1 SHIELD O00 0 00 o 0 0000000 i cs e ecc cc00 e e o ooo eiz peeececyeecoeodoeceo 62 toJ2 toJT1 Copyright 2015 United Electronic Industries Inc to JT2 43 to JT3 JT3 20 position terminal block olojojojojojojojojojojojojojojojojojojo 22 1 43 23 2 44 24 2 45 25 4 46 26 El 47 27 6 48 28 GND JT2 20 position terminal block ol jojojojojojojojojojojojojojojojojojo u S JT1 20 position terminal block i0 0 o o o o o o o o o o o o o o o o o o 20 41 61 19 40 60 18 39 59 17 38 58 16 57
18. t Disclaimer WARNING DO NOT USE PRODUCTS SOLD BY UNITED ELECTRONIC INDUSTRIES INC AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS Products sold by United Electronic Industries Inc are not authorized for use as critical components in life support devices or systems A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness Any attempt to purchase any United Electronic Industries Inc product for that purpose is null and void and United Electronic Industries Inc accepts no liability whatsoever in contract tort or otherwise whether or not resulting from our or our employees negligence or failure to detect an improper purchase Specifications in this document are subject to change without notice Check with UEI for current status Contents Table of Contents Chapter 1 Introduction 2 00 c cee RR I nh hh 1 1 1 Organization of Manual 1 0 2 2 sss nn 1 1 2 The Al 222 Interface Board 1 0 ce ees 3 1 3 uut 4 1 4 Specification e mi ta ox roe ER Aa a eg ae ew RP ERO RR ede dot ARR e eR 4 1 5 Device Architecture sellers he 5 1 6 eer dq mmE 6 1 7 Layer Connectors and Wiring lille ee 7 Chapter 2 Programming with the High Level API 000 eee eee eee eeee 9 2 1 Creating a Session
19. y represents text that should be entered verbatim For instance it can represent a command as in the following example You can instruct users how to run setup using a command such as setup exe Text formatted in ixed typeface generally represents source code or other text that should be entered verbadim into the source code initialization or other file Examples of Manual Conventions Before plugging any I O connector into the Cube or RACKtangle be sure to remove power from all field wiring Failure to do so may cause severe damage to the equipment Usage of Terms Throughout this manual the term Cube refers to either a PowerDNA Cube product or to a PowerDNR RACKtangle rack mounted system whichever is applicable The term DNR is a specific reference to the RACKtangle DNA to the PowerDNA I O Cube and DNx to refer to both Copyright 2015 f Tel 508 921 4600 www ueidaq com Vers 4 6 United Electronic Industries Inc Date January 2015 DNx Al 222 Chap1x fm 1 2 The AI 222 Interface Board Copyright 2015 United Electronic Industries Inc DNA DNR AI 222 RTD Resistance Input Board Chapter 1 Introduction The DNA DNR AI 222 are 12 channel fully isolated simultaneously sampling RTD input boards compatible with UEI s popular Cube and RACKtangle chassis respectively The DNA DNR versions are electronically identical The DNx Al 222 features 24 bit A D converters with 50 pA excitation current for resistanc
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