LabVIEW VIs for MAQ20 User Manual
Contents
1. MAQ 20 Industrial Data Acquisition and Control System MA1039 MAQ20 LabVIEW VI User Manual Slot Model zj 2 MAQ20 VDN of Registers to Read F ji g Model MAQ20 DIOL of Registers to Read Local Start Address 1000 ChO Ch 7 Input Data Local Start Address 1000 ChO Ch Output Data Local Start Address 1000 Ch DOO DO5 Output Data Local Start Address 1000 Ch DIO DBG Input Data Range Selection Cho Chil Ch2 Ch3 Ch 4 Ch 5 ChG h7 A l F h 4 Fh l rh rh Fay ei i z gt y Ti gl ye yl yo g Input Voltage 2 386 2383 fo 01743 Jo o1494 Jo 01494 j15 44 255 0 06972 Output Voltage Cho Chi Ch3 Ch2 g5 Ch4 zj 6 5 Ch4 Ch6 Fh i gi a gi Ch7 rh gy Discrete Output DOO DOL f j p Discrete Input poz li 1 g ri 1 yp gt DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual MAQ20 LabVIEW VI User Manual MA1039 Rev A April 2015 2015 Dataforth Corporation All Rights Reserved ISO9001 2008 Registered QMS The information in this manual has been checked carefully and is believed to be accurate however Dataforth assumes no responsibility for possible inaccuracies or omissions Specifications are subject to change without notice The information tables diagrams and photographs contained herein are the property of Dataforth Corporation No part of this manual may be reproduced or distributed by any means electronic2. MA1039 MAQ 20 LabVIEW VI User Manual 13 5 Read Bat Toggle Switch Position On the demonstration system MAQ20 DIOL module input channels DIO through DI4 are connected to bat toggle switches SW1 through SW5 respectively The discrete input channels read logic 1 for the bat toggle switch in the left position and the LED off and logic 0 for the bat toggle switch in the right position and the LED on Run the VI Operate switches SW1 SW5 on the Process Simulator and observe the state change on Discrete Input Ch 0 Ch 4 Discrete Output Slot Model DOO DO1 DO DOS DO4 A me Local Start Address 1000 A Ar rh A A x 4 MAQ20 DIOL Ch DOO DOS Output Data q7 1 y 1 y 0 x 0 x 0 Discrete Input of Registers to Read T ChOw DBinputdte bo ho pP k b Figure 30 Process Simulator Bat Toggle Monitor 13 6 Control Motor Pot 1 and Motor Pot 2 On the demonstration system MAQ20 DIOL module output channels DO1 and DO2 are connected to Motor Pot 1 FWD and REV controls respectively and output channels DO3 and DO4 are connected to Motor Pot 2 FWD and REV controls respectively MAQ20 VDN module Ch 0 measures a 0 to 8V signal for the green LED bar display labeled VOUT2 and MAQ20 VDN module Ch 2 measures a 0 to 8V signal for the blue LED bar display labeled VOUT3 The green LED bar display is controlled by Motor Pot 1 when MAQ20 VO Ch 1 is set to 10V and the blue LED bar display is controlled by Motor Pot 2 when MAQ20 VO Ch 1 is set to 10V Run
3. INDEMNIFY AND HOLD HARMLESS DATAFORTH FROM ANY AND ALL DAMAGES CLAIMS PROCEEDINGS SUITS OR EXPENSE RESULTING FROM SUCH USE h Static Sensitive Dataforth ships all product in anti static packages Dataforth s Warranty as hereinabove set forth shall not cover warranty repair replacement or refund on product or devices damaged by static due to buyer s failure to properly ground Page 29 of 30 MA1039 MAQ 20 LabVIEW VI User Manual Application Support Dataforth provides timely high quality product support Call 1 800 444 7644 TOLL FREE Returns Repair Policy All warranty and repair requests should be directed to the Dataforth Customer Service Department at 520 741 1404 If a product return is required request a Return Material Authorization RMA number You should be ready to provide the following information 1 Complete product model number 2 Product serial number 3 Name address and telephone number of person returning product 4 Special repair instructions 5 Purchase order number for out of warranty repairs The product should be carefully packaged making sure the RMA number appears on the outside of the package and ship prepaid to Dataforth Corporation 3331 E Hemisphere Loop Tucson AZ 85706 USA An RMA Request Form and instructions for processing are also found at www dataforth com The information provided herein is believed to be reliable however DATAFORTH assumes no responsibility for inacc
4. use the count mapping tables in the appendix of the specific MAQ20 Hardware User Manual Table 1 MAQ20 JTC Range Assignment Standard Input Equivalent Equivalent Deg C per Range Temperature Counts Over Under Range Counts Count 100 C to 760 C 53910 4095 102 Cto 775 C 550t04177 0 1855 o Default 5 100 C to 393 C 1078 to 4236 102 C to 401 C 1100 to 4321 0 0928 100 C to 199 C 2156 to 4290 102 C to 203 C 2199 to 4376 0 0464 The VI does not have the ability to configure the input ranges but this could be added to the VI by adding a Write Multiple Holding Registers VI and writing to the appropriate registers To display the data read from the module in engineering units the user must select the input range for each channel to match the actual module configuration Count mapping for the MAQ20 JTC module has been built into the VI Range and count mapping are applied to the measured data and then the resulting measured temperature is displayed So of Registers to Read aes 0 Input Temperature Tish Figure 11 Converting MAQ20 JTC Data to Engineering Units Page 14 of 30 E DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual Range Selection Slot Model Cho Chi Ch2 Ch3 ch4 Ch5 Ch Chi t 1 wre F rh ra ra rat y i t Fh yt MAQ20 JTC a a a a a A L of Registers to Read Input Temperature Local Start Address 1000 SE Ch0 Ch7 Input Data jana fau fau
5. A MAQ20 Data Acquisition System must have as a minimum a Communications Module a Backbone and one I O Module Examples include MAQ20 COMx Communications Module with Ethernet USB and RS 232 or RS 485 Interface MAQ20 DIOx Discrete Input Output Module MAQ20 xTC Type x Thermocouple Input Module MAQ20 mVxN VxN Voltage Input Module MAQ20 IxN Process Current Input Module MAQ20 IO VO Process Current Output and Process Voltage Output Module MAQ20 BKPLx x Channel System Backbone Refer to www dataforth com maq20 aspx for a complete listing of available modules and accessories System power is connected to the Communications Module which in turn powers the I O modules For systems with power supply requirements exceeding what the Communications Module can provide the MAQ20 PWR3 Power Supply module is used to provide additional power When a MAQ20 I O module is inserted into a system module registration occurs automatically data acquisition starts and data is stored locally in the module The system is based on a Modbus compatible memory map for easy access to acquired data configuration settings and alarm limits Information is stored in consistent locations from module to module for ease of use and system design MAQ20 modules are designed for installation in Class Division 2 hazardous locations and have a high level of immunity to environmental noise commonly present in heavy industrial environments MAQ20 communications modu
6. Seral Number Date Code Firmware Inputs Outputs D o aore OOO CT Ro O O 4000 MAQ 0 VDN 009213401 D01113 F2 02 i 0 6000 MAQ20 VO 0074051 19 D103 F1 50 8 2000 MAQ20 DIOL 0074045 23 D1013 F1 12 l 5 2 3 4 5 6 T 8 5 Figure 6 ReDAQ Shape Display of Modules by Slot Number Modbus Function Codes The MAQ20 Data Acquisition System supports the following Modbus function codes commands e 3 Read Input Registers e 4 Read Holding Registers e 6 Write Single Register e 16 Write Multiple Registers Q MAFORTH ss lt sSSC no 80 MA1039 MAQ 20 LabVIEW VI User Manual Modbus Addresses The system makes no distinction between Modbus Input registers and Modbus Holding registers Read Input Registers will return the same data as Read Holding Registers as long as both commands use the same address and quantity Modbus addresses are 0 based meaning the first address is 0x0000 0 and the last is OxFFFF 65535 Address values map directly to address fields of all Modbus commands Although only a small percentage of available Modbus addresses are mapped to data and or control functions the system allows access to the entire range of Modbus addresses If a Read command accesses an address that the system does not map 0x0000 will be returned If a Write command accesses an address that the system does not map the write will have no effect Modbus Exceptions The system will return the following Modbus exception codes un
7. Simulator The system details can be viewed using the MAQ20 Configuration Software Tool or REDAQ Shape Software for MAQ20 available from the Dataforth website www dataforth com mag20_ download aspx MAQ20 System System and Communication Settings Connect To MAQ20 Disconnection Disconnect Scan Interval ms 100 2 Time Out ms 2000 System 1 System 1 Enabled TCP IP Address 192 168 128 100 Target ID 16 31 16 Baud Rate 115200 Parity Click on Connect button to start Figure 5 ReDAQ Shape System Display kon E DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual For optimal VI operation arrange the I O modules in the system as follows using the MAQ20 Configuration Software Tool or REDAQ Shape Software for MAQ20 Slot 0 MAQ20 COM4 Start Address 0000 Slot 1 MAQ20 JTC Start Address 2000 Slot 2 MAQ20 VDN Start Address 4000 Slot 3 MAQ20 VO Start Address 6000 Slot 4 MAQ20 DIOL Start Address 8000 When using ReDAQ Shape Software for MAQ20 click on the communications module graphic to view system configuration Highlight a module and use the Up and Down buttons to make the Slot Number match the physical position on the backbone COM Module Setting Retum Setup Modules Slot Setup COM SD Memory Card Uo Down Save MAQ20 COM2 Serial Number 0094793 01 Date Code D0214 Firmware version F1 31 Slot Number Start Address Model Number
8. address register values number of holding registers error out error in no error Modbus master in Modbus master out starting address t Write Multiple Holding Registers Se apne eer se error out error in no error Modbus master in Close Modbus Master error in no error While Loop pageioot30 S ODAAT MA1039 MAQ 20 LabVIEW VI User Manual For Loop Case Structure gt DATAFORTH Page 11 of 30 MA1039 MAQ 20 LabVIEW VI User Manual 7 0 MAQ20 Communications Module Interface One Read Holding Registers VI is used to read the module Model and a second is used to read the registers containing the data for the Real Time Clock Slot is multiplied by 2000 to generate the address offset Model Register Values BEA E _om Figure 7 MAQ20 COM2 or COM4 Basic VI Structure To determine the address to read from use the Address Map for the MAQ20 COM2 and MAQ20 COM4 modules found in the appendix of MA1040 MAQ20 Communications Module Hardware User Manual An excerpt from the Address Map is shown below Real Time Clock data is stored starting at address 1200 NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Address Range 1200 1299 Module RTC and Temperature 1 7 1 Sunday 0 99 The MAQ20 COM4 module in the demonstration system has a registration number of 0 and an address offset of 2000 0 0 The addresses t
9. at www dataforth com mag20_ download aspx for detailed information on communications setup VIs are set up for communication over Ethernet Serial communications are set up in a similar manner using the Modbus Serial Master VI The Modbus TCP Master and Close VIs provide the basic communications interface m MAQ20 IP Address E e 7 5 E 7 New TCP Master Be 6 Car Figure 1 Modbus TCP VIs Modbus TCP The standard method of Ethernet connection to the MAQ20 is to use a static IP address The factory default is MAQ20 factory default static IP address 192 168 128 100 Q MAFORTH s lt issSsC aea MA1039 MAQ 20 LabVIEW VI User Manual If desired the IP address can be changed using the MAQ20 Configuration Software Tool or ReDAQ Shape Software for MAQ20 Configure the Ethernet port on the host computer to also use a static IP address In Windows 7 this is done by choosing Control Panel gt Network and Sharing Center Next select Change Adapter Settings select the network adapter to be used for the Channel and select Properties then select TCP IPv4 and Properties U Local Area Connection 2 Properties X Networking Sharing Connect using a ASIX AX88772 USB2 0to Fast Ethemet Adapter This connection uses the following items o Client for Microsoft Networks B Deterministic Network Enhancer Z QoS Packet Scheduler B File and Printer Sharing for Microsoft N
10. enter MAQ20 VO Ch 0 values between 10V and 10V Observe the voltage change in the VOUT1 LED bar display Output Voltage Slot Model Cho Chil Che Ch3 Ch4 Ch5 Ch Chi A Local Start Address 1000 i A 10 ar A ar i P A TE MAQ20 VO Ch0 Ch7 Output Data y7 y g g W g g g Figure 27 Process Simulator VOUT1 LED Bar Control 13 3 Read VOUT2 LED Bar Control Monitor On the demonstration system MAQ20 VDN module Ch 0 measures a 0 to 3V signal for the green LED bar display labeled VOUT2 The green LED bar display is controlled by Motor Pot 1 when MAQ20 VO Ch 1 is set to 10V and it is controlled by MAQ20 VO Ch 2 when MAQ20 VO Ch 1 is set to 10V Run the VI and set MAQ20 VO Ch 1 to 10V Rotate Motor Pot 1 and observe the voltage change on MAQ20 VDN Ch 0 and the change in the green LED bar display Set MAQ20 VO Ch 1 to 10V Enter MAQ20 VO Ch 2 values between 10V and 10V and observe the voltage change on MAQ20 VDN Ch 0 and the change in the VOUT2 LED bar display Page 240f30 S XS DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual Range Selection Slot Model cho Chi Ch2 Ch3 Ch4 Ch5 Ch Ch AT amy Ar aT Ar Ar ay Ar ay r x 2 MAQ20 VDN a 4 F xj vj 4 x x x x 4 of Registers to Read Input Voltage 8 mie pene pa Ala J1 g2 fis21 f1 f1 o48 0 001245 f 0 9524 J 0 9512 f o 01619 Output Voltage Slot Model Cho Chi Ch Ch3 Ch4 y Local Start Address 1000 rA l AS h AT fat a gi aia i Ch0 Ch
11. for MAQ20 to obtain the optimum range and resolution for given measurements The following screen shot is from the ReDAQ Shape for MAQ20 software gt DATAFORTH Page 15 of 30 MA1039 MAQ 20 LabVIEW VI User Manual Setup Scale Data Control Loop Alarm Channel Name User Tag Name Data Display Input Select Avg Weight MaxMin Input Range Control Loop Alarm rout 1 VDN_22 aoe 4 Reset SVto 5V gt None Input 6 1_VDN_2 6 0 4 E GOV to 60V None x input 7 1_VDN_27 me i 4 E 60V to 60V x a Figure 14 ReDAQ Shape Interface to MAQ20 VDN Data stored in the MAQ20 registers is in counts To convert this to engineering units use the count mapping tables in the appendix of the specific MAQ20 Hardware User Manual Table 2 MAQ20 VDN Range Assignment Standard Input Equivalent Equivalent Volts per Range Voltage Counts Over Under Range Counts Count 0 60Vto 60V_ 4016 to 4016 61 2Vt0 61 2V 4096 to 4095 0 01494 4 5V to 5V Default The VI does not have the ability to configure the input ranges but this could be added to the VI by adding a Write Multiple Holding Registers VI and writing to the appropriate registers z Q gt O N O lt To display the data read from the module in engineering units the user must select the input range for each channel to match the actual module configuration Count mapping for the MAQ20 VDN module has been built into the VI Rang
12. furnished under this Agreement will at the time of delivery be free from defects in material and workmanship and will conform to Dataforth s applicable specifications or if appropriate to buyer s specifications accepted in writing by Dataforth DATAFORTH S OBLIGATION OR LIABILITY TO BUYER FOR PRODUCTS WHICH DO NOT CONFORM TO THE ABOVE STATED WARRANTY SHALL BE LIMITED TO DATAFORTH AT DATAFORTH S SOLE DISCRETION EITHER REPAIRING REPLACING OR REFUNDING THE PURCHASE PRICE OF THE DEFECTIVE PRODUCT S PROVIDED THAT WRITTEN NOTICE OF SAID DEFECT IS RECEIVED BY DATAFORTH WITHIN THE TIME PERIODS SET FORTH BELOW i for all software products including licensed programs thirty 80 days from date of initial delivery ii for all hardware products including complete systems one 1 year from date of initial delivery iii for all special products sixty 60 days from date of initial delivery and further all products warranted hereunder for which Dataforth has received timely notice of nonconformance must be returned FOB to Dataforth s plant in Tucson Arizona USA within thirty 30 days after the expiration of the warranty periods set forth above The foregoing warranties shall not apply to any products which Dataforth determines have by buyer or otherwise been subjected to operating and or environmental conditions in excess of the maximum value established therefore in the applicable specifications or any products that have b
13. listed in the I O module address map to know where data for that module is located within the system level address map The MAQ20 COMx Communication Module is always assigned a Registration Number of 0 Channel data for the MAQ20 Input and Output modules is stored starting at address 1000 within each module register space Address Maps for each module are found at the end of the individual MAQ20 I O and Communication module hardware user manuals A few of these are listed below MA1040 MAQ20 Communications Module Hardware User Manual MA1041 MAQ20 milliVolt Volt and Current Inout Module Hardware User Manual MA1042 MAQ20 Voltage amp Current Output Module Hardware User Manual MA1043 MAQ20 DIOL Discrete IO Module Hardware User Manual MA1044 MAQ20 RTD Potentiometer Inout Module Hardware User Manual MA1045 MAQ20 PWR3 Load Share Power Supply Hardware User Manual MA1046 MAQ20 Strain Gage Input Module Hardware User Manual MA1047 MAQ20 TC Input Module Hardware User Manual MA1048 MAQ20 Frequency Input Module Hardware User Manual The MAQ20 IO Module Interface TCP Example VI is set up to interface to the MAQ20DEMO B demonstration hardware This system is comprised of a MAQ20 COM4 communications module and 4 I O modules which connect to a Process Simulator to allow user input and output and give visual feedback Q MAFORTH s lt sSsSC a50 MA1039 MAQ 20 LabVIEW VI User Manual Figure 4 MAQ20DEMO B Demonstration System with Process
14. mechanical or otherwise for any purpose other than the purchaser s personal use without the express written consent of Dataforth Corporation MAQ 20 is a registered trademark of Dataforth Corporation ReDAQ is a registered trademark of Dataforth Corporation Modbus is a registered trademark of the Modbus Organization Inc LabVIEW is a trademark of National Instruments Corporation E DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual Table of Contents EO Oy SUC Ml UU S aaaea E AEAEE ONAE AASA E AEAN SEEEN 1 2 0 System Description and DOCUMENTALION ccccccceeccseeeeeeeseeeceuceseeeseeeseeeceueeseeeseeesseeseueeseeeneeeseeesanes 2 oye 0 GTE DESCE HO hee E E E E E E EEE E E E E E EEA EA 3 40 Syst m COMMUNICATIONS sissiivssinssissisninisirinsnsninia n ennnen EEEE EEEE EEEE EEE TEE een nies ees 3 AT MODUS TO aaa a E E E E E E ER E A E E E E E 3 5 0 MAQ20 Demonstration System and Addressing Overview cccceccceecceeeeeeeeseeeceeeeueeaeeeseeeseeesaues 5 6 0 LabVIEW Tools use in the VI DeVelOpMent cccccsecceecseeeneeeeeeceeeseeceeeseeeeueeeeeseeeaueseeeseesaueseeenaes 9 7 0 MAQ20 Communications Module Interface ccccccceeccccecceceeeeeceeeeseeeeeseeeeesseeeesseeeesaeeesaeeeeeas 12 8 0 MAQ20 Thermocouple Input Module Interface ccccccccseecceseeececeeeeeseeeeeseeeeeseeeeeseeeeesseeeesseeeeeas 13 9 0 MAQ20 Millivolt Voltage amp Current Input Module Interface c cc cc
15. s f F fo ie f Range Selection Model Cho Chi Ch2 Ch3 Ch4 Ch5 Ch Ch 7 S A A A A A A A A MAQ20 JT C y 0 yf 0 x 0 y 0 yf 0 y 0 g 0 y 2 of Registers to Read Input Temperature A Local Start Address 1000 y 8 Ch0 Ch 7 Input Data ET Em j 1114 l 1114 j 114 j 1114 l 82 96 25 74 Range Selection Slot Model cho Chi Ch Ch3 Ch4 Ch5 Cho Ch 7 f i i F ij d A i r 1 F a A J 2 MAQ20 VDN g J 4 y 4 z 4 J 4 J 4 a 4 y 4 of Registers to Read Input Voltage Local Start Address 1000 Ch0 Ch7 Input Data j1 04 J1 o42 2 034 l 3 035 Jo 00249 J 0 9512 J 0 9512 J 0 01619 Output Voltage Cho Chi Ch2 Ch3 Ch4 Local Start Address 1000 A Fa 10 Ar Fay Ar MAQ20 VO ChO Ch7 Output Data y a o gt y ee Discrete Output Model DOO 01 paz Dod Local Start Address 1000 A A F A MAQ20 DIOL Ch DO0 DO5 Output Data q 1 1 y 0 x yy 0 Discrete Input Local Start Address 1000 r A Ch DO D Input Data fo jt Jo 1 fo of Registers to Read Figure 24 MAQ20 VI User Interface The number of read interval number of slots to scan slot displayed and the number of registers to read are all selectable by the user This VI has a user interface optimized for the following system configuration Slot 0 MAQ20 COM4 Slot 1 MAQ20 JTC Slot 2 MAQ20 VDN Slot 3 MAQ20 VO Slot 4 MAQ20 DIOL Page 22 of 30 0 DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual It will interface to other modules placed in these slots The interface to each type of MAQ
16. the VI and set MAQ20 VO Ch 4 to 10V Change the value of channel DO1 to turn on or off forward motion clockwise or the value of channel DO2 to turn on or off reverse motion counter clockwise for Motor Pot 1 Observe the voltage change on MAQ20 VDN Ch 0 and the change in the green LED bar display Change the value of channel DO3 to turn on or off forward motion clockwise or the value of channel DO4 to turn on or off reverse motion counter clockwise for Motor Pot 2 Observe the voltage change on MAQ20 VDN Ch 2 and the change in the blue LED bar display The Motor Pot controls have the following truth table Channel DO1 Channel DO2 Motor Pot Rotation Page260f30 o ODAAT MA1039 MAQ 20 LabVIEW VI User Manual 14 0 LabVIEW VI File The VI was created in LabVIEW 2014 and does not require any special toolkits to run It is titled MAQ20 IO Module Interface TCP Example vi and is available for download from the Software Download Center at www dataforth com maq20_ download aspx 15 0 References Dataforth MAQ20 Software Download Center MAQ20 Configuration Software Tool ReDAQ Shape Software for MAQ20 MAQ20 Hardware and Software User Manuals National Instruments LabVIEW www ni com getting started labview basics QDDATAFORTH 8 27 of 30 MA1039 MAQ 20 LabVIEW VI User Manual DATAFORTH WARRANTY Applying to Products Sold by Dataforth Corporation a General Dataforth Corporation Dataforth warrants that its products
17. 128 100 set the host computer to a lower address such as 192 168 128 095 for faster response Host computer Subnet Mask 255 255 0 0 Page 4 of 30 0 DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual r Internet Protocol Version 4 TCP IPv4 Properties P xs General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an IP address automatically Use the following IP address IP address 192 168 128 99 Subnet mask 255 255 0 0 Default gateway Use the following DNS server addresses Preferred DNS server Alternate DNS server Validate settings upon exit Advanced Figure 3 Host Computer IP Address amp Subnet Mask 5 0 MAQ20 Demonstration System and Addressing Overview The MAQ20 Data Acquisition System uses an automated registration process which periodically scans the system and will detect when MAQ20 I O modules are added and removed Each module is assigned an address space of 2000 addresses based on the Registration Number and starting at address 2000 I O module with Registration Number 1 is assigned address space 2000 3999 I O module with Registration Number 2 is assigned address space 4000 5999 and so on The starting address for the module is very important because this is the offset address that must be added to the addresses
18. 20 module has been built into a Case Structure and this is embedded in a For Loop so each module is scanned sequentially and continuously Slots to Scan Read Interval rms Slot MAQ20 VDN tera of Registers to Read Input Voltage T Hi k DE Lil Figure 25 MAQ20 Basic VI Structure QDDAAFORTH eg 23 of 30 MA1039 MAQ 20 LabVIEW VI User Manual 13 0 Operating the MAQ20 Process Simulator with the MAQ20 LabVIEW VI The I O channels presented in this manual are interrelated on the MAQ20DEMO B Demonstration Suitcase and Process Simulator so the following exercises can be performed once the system has been configured as outlined in the previous sections 13 1 Read Ambient Temperature On the demonstration system the MAQ20 JTC module Ch 7 measures the thermocouple protruding from the Process Simulator Run the VI and observe the ambient temperature read on Channel 7 Touch the thermocouple protruding from the Process Simulator and observe the temperature change Range Selection Slot Model Cho Chi Che Ch3 Ch4 Ch5 Cho Chi A EE ri ri A Ay ry Ay Ay Ay g e a a CO a a CO L E of Registers to Read Input Temperature A Local Start Address 1000 E Ch0 Ch 7 Input Data jana fa faa fans faum fama fess 27 65 Figure 26 Reading Ambient Temperature using MAQ20 JTC 13 2 Control the VOUT1 LED Bar On the demonstration system the orange LED bar display is controlled by MAQ20 VO Ch 0 Run the VI and
19. 7 Output Data 75 gO g2 g5 g2 Figure 28 Process Simulator VOUT2 LED Bar Control and Monitor 13 4 Control TC Heat 1 and TC Heat 2 On the demonstration system the MAQ20 JTC module Ch 6 measures the signal from a simulated heated thermocouple TC Heat 1 control is driven by MAQ20 VO Ch 4 and TC Heat 2 control is driven by MAQ20 VO Ch 5 MAQ20 VDN module Ch 5 measure the 0 to 3V TC Heat 1 control signal and MAQ20 VDN module Ch 6 measure the 0 to 3V TC Heat 2 control signal Run the VI and set MAQ20 VO Ch 4 and Ch 5 to values between OV and 10V The intensity of the TC Heat indicators represent the magnitude of the heater control voltages Observe the simulated temperature change on MAQ20 JTC Ch 6 and observe the heat control voltages on MAQ20 VDN Ch 5 and Ch 6 Range Selection Slot Model cho Chl Ch2 ch3 ch4 ch5 Ch6 Ch7 gt Magao ITC i P P P P P P P of Registers to Read Input Temperature 8 aa eel cits 1114 J 1114 ET l 1114 Jans l 1114 l 370 4 2625 Range Selection Model Cho Chi Cha Ch3 Ch4 Ch5 Ch Ch ae Fa s s s r Fi MAQ20 VDN 3 4 J 4 vj 4 zj 4 zj 4 x 4 x 4 x 4 of Registers to Read Input Voltage 8 ne aaa aig f1s16 1919 1 043 j1 041 l 0 00249 1 93 E f 0 01743 Output Voltage Slot Model cho Chi Che Ch3 A i Local Start Address 1000 A rh 10 Ar ars g MAQZ0 VO Ch0 Ch7 Output Data oy y gi g7 Figure 29 Process Simulator Heated TC Control and Monitor gt DATAFORTH Page 25 of 30
20. Ar gy Se ChO Ch7OutputData gt gg Fg gg tg 2 gt Figure 20 MAQ20 VO VI User Interface 11 0 MAQ20 Discrete Input amp Output Module Interface A Read Holding Registers VI is used to read the module Model Slot is multiplied by 2000 to generate the address offset Figure 21 MAQ20 DIOL Basic VI Structure To determine the addresses to read from and write to use the Address Map for the MAQ20 DIOL Discrete I O Module found in the appendix of MA1043 MAQ20 DIOL Discrete IO Module Hardware User Manual An excerpt from the MAQ20 DIOL Address Map is shown below Channel Data is stored starting at address 1000 NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Address Range 1000 1299 Module Data and Special Function Selection Example Starting at address 1009 and decreasing to address 1000 DIO States Binary MSB to LSB DI4 to DIO and Representation DO4 to DOO Inverted Logic 1011011000 Data written to an input Addr 1000 LSB channel will be ignored Addr 1009 MSB Data written to an output channel committed to a Special Function returns an error Default 1 for all channels DOO DO4 Inverted Logic 0 switch closed 1 switch open DIO DI4 Inverted Logic 0 input gt threshold 1 input lt threshold Page200f30 S ODAAT MA1039 MAQ 20 LabVIEW VI User Manual The MAQ20 DIOL module in the demonstration system has a regi
21. TAFORTH 4 DATAFORTH S LIABILITY ARISING OUT OF THE PRODUCTION SALE OR SUPPLY OF PRODUCTS OR THEIR USE OR DISPOSITION WHETHER BASED UPON WARRANTY CONTRACT TORT OR OTHERWISE SHALL NOT EXCEED THE GREATER OF EITHER US 1000 00 ONE THOUSAND DOLLARS U S A CURRENCY OR THE ACTUAL PURCHASE PRICE PAID BY BUYER FOR DATAFORTH S PRODUCTS DATAFORTH S LIABILITY FOR ANY CLAIM OF ANY KIND SHALL IN NO CASE EXCEED THE OBLIGATION OR LIABILITY SPECIFIED IN THIS WARRANTY d Technical Assistance Dataforth s Warranty as hereinabove set forth shall not be enlarged diminished or affected by and no obligation or liability shall arise or grow out of Dataforth s rendering of technical advice facilities or service in connection with buyer s order of the products furnished hereunder e Warranty Procedures Buyer shall notify Dataforth of any products which it believes to be defective during the applicable warranty period and which are covered by the Warranty set forth above Buyer shall not return any products for any reason without the prior authorization of Dataforth and issuance of a Return Material Authorization RMA number After issuance of a RMA number such products shall be promptly returned by buyer and in no event later than thirty 30 days after the Warranty expiration date transportation and insurance prepaid to Dataforth s designated facility for examination and testing Dataforth shall either repair or replace any such product
22. ality management system Contacting Dataforth Corporation Contact Method Contact Information Technical Support techinfo dataforth com Website Cs dattaforth com O S Website www dataforth com Phone CC 5207411404 and toll free 800 444 7644 Fax S 520 741 0762 Dataforth Corporation 3331 E Hemisphere Loop Tucson AZ 85706 USA Errata Sheets Refer to the Technical Support area of Dataforth s website www dataforth com for any errata information on this product y P DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual 1 0 System Features The MAQ20 Data Acquisition System encompasses more than 25 years of design excellence in the process control industry It is a family of high performance DIN rail mounted programmable multi channel industrially rugged signal conditioning I O and communications modules Instrument Class Performance e 0 035 Accuracy e Industry leading 0 3C CJC Accuracy over full operating temperature range e Ultra low Zero and Span Tempco e Over range on one channel does not affect other channels e 1500Vrms Channel to Bus Isolation e 240Vrms Continuous Field I O Protection e ANSI IEEE C37 90 1 Transient Protection e Ventilated Communications and I O Modules e Industrial Operating Temperature of 40 C to 85 C e Wide Range 7 34VDC Power e CE Compliant UL CUL Listing and ATEX Compliance pending Industry Leading Functionality e The system is a Modbus Server and can be operated remotely wit
23. annels 1000 pw e Channel Data Default 2048 See Table INTIS The addresses to write to are 6000 address offset 1000 MAQ20 VO Ch 0 7000 through 6000 address offset 1007 MAQ20 VO Ch 7 7007 MAQ20 output module output ranges can be configured on a per channel basis These can be set or checked using the MAQ20 Configuration Software Tool or REDAQ Shape Software for MAQ20 to obtain the optimum range and resolution for given control signals The following screen shot is from the ReDAQ Shape for MAQ20 software Setup Scale Data Continuous Scan Mode Buffer Scan Mode Buffer Mode Interval Range 10 65535ms 100 Channel Name User Tag Name Output Data Default Output Output Range Butter Mode Output Data Output 0 1 V030 10 4954 10Vto 10V 1 1 5 2 2 5 3 3 5 4 4 5 R Output 1 1 v0 31 0 005 0 005 10Vto 10V 4 5 4 3 5 3 2 5 2 1 5 1 R Output 2 1vO 32 0 005 0 005 10V to 10V 11 1 5 2 2 5 3 3 5 4455 Output 3 1_VO_3 3 0 005 0 005 10V to 10V 4 5 4 3 5 3 2 5 2 1 5 1 5 Output 4 1_VO_3_4 0 005 0 005 10V to 10V 11 1 5 2 2 5 3 3 5 445 R Output 5 1_VO_3_5 0 005 0 005 ovietv 4 5 4 3 5 3 2 5 2 1 5 1 R Output 6 1_VO_3 6 10 10 OV to 10V 1 1 5 2 2 5 3 3 5 4 4 5 5 Chine 1 V037 10 10 10V to 10v 14 5 4 3 5 3 2 5 2 1 5 1 5 Figure 18 ReDAQ Shape Interface to MAQ20 VO pageisot30 ti itst lt ODAAT MA1039 MAQ 20 LabVIEW VI User Manual Data stored in
24. der the given conditions e 1 Illegal Function The received function code is unknown or not supported e 2 Illegal Address The received address and quantity would access data beyond address OxFFFF e 3 Illegal Data The number of bytes in the request does not match that expected or one or more fields of the command contains an invalid value i e a quantity field is zero or too large a byte count field is zero or does not agree with the quantity field etc e 6 Server Busy This exception only occurs with Modbus TCP and indicates that the MAQ20 Data Acquisition System is already processing its maximum number of simultaneous transactions and cannot accept more The request should be re issued after a response is received from one of the four active transactions Page 8 of 30 gt DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual 6 0 LabVIEW Tools use in the VI Development Controls S Numeric Unsigned 16 bit Double Precision To Unsigned Byte Integer number unsigned amp bit integer Byte Array to String To Word Integer number 16bit integer Q MAFORTH s lt is ssS CC ns 9 0 20 MA1039 MAQ 20 LabVIEW VI User Manual n dimension array Index Array index 0 le element or subarray index n 1 array element Im R appended array TCP master instance New TCP Master port 502 error out error in no error Modbus master in Modbus master out Read Holding Registers starting
25. e and count mapping are applied to the measured data and then the resulting measured voltage is displayed Page 16 of 30 0 DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual TT of Registers to Read f s Input Ella Input Voltage Figure 15 Converting MAQ20 VDN Data to Engineering Units Range Selection Slot Model Cho Chil Ch2 Ch3 Ch4 Ch5 Ch Chi A MANJ A rh 4 f A l fa l A i rh rh a For eg we ge eg of Registers to Read Input Voltage A i Local Start Address 1000 y Ch 0 Ch 7 Input Data fis 1 602 1 602 jiso 0 003735 J 0 00249 j 0 00249 j 0 01619 Figure 16 MAQ20 VDN VI User Interface gt DATAFORTH Page 17 of 30 MA1039 MAQ 20 LabVIEW VI User Manual 10 0 MAQ20 Voltage amp Current Output Module Interface A Read Holding Registers VI is used to read the module Model Slot is multiplied by 2000 to generate the address offset Figure 17 MAQ20 VO Basic VI Structure To determine the address to write to use the Address Map for the MAQ20 VO or IO Output Modules found in the appendix of MA1042 MAQ20 Voltage amp Current Output Module Hardware User Manual An excerpt from the MAQ20 VO Address Map is shown below Channel Data is stored starting at address 1000 NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Address Range 1000 1699 Module Data Start Number of _ Data Data for each of 8 ch
26. ecccecceeeceeeeeeceeseeeeeesaeeseeeaees 15 10 0 MAQ20 Voltage amp Current Output Module Interface ccccccecccccsecceceeeeeseeseeseeeeeseeeeeseeeeesaeeeesaees 18 11 0 MAQ20 Discrete Input amp Output Module Interface ccccccccsseeeeseeeeeseeeeeseeeeseeeesaeeeessaueesaueesaees 20 12 0 Reading and Writing Data with the MAQ20 LabVIEW Vl cc cccccccceeccseeeseeeeeeeseeeeeeeeaeeeseeesaeeeaees 22 13 0 Operating the MAQ20 Process Simulator with the MAQ20 LabVIEW Vl cccccccecceeeeeeeeeeeeeeeee 24 13 1 Read Ambient Temperature ccccccccseccsseceecceeeceuccseeeceeecueceueesueeseeesueseueeeeeesueeseeeseussaeeeaes 24 192 CONTONE VOUTTLED BI ae ee ee ee ee 24 13 3 Read VOUT2 LED Bar Control MOnitor cece eeccececeeeceeeeeeeeeeeseeeseeeteeeeaueesaeeseeeteueeaneeaes 24 13 4 Control TC Heat 1 and TC Heat 2 00 eccccccccseececeeeceeeeseeeeseeeeseeeeseeeeseeeeseeeeseeeeseeeeseeeseeeees 25 13 9 Read Bat Toggle Gwich OU Osa acc 26 13 6 Control Motor Pot 1 and Motor Pot 2 ccccccccceeccceececeeeseeeeseeeeseeeeseeeeseeeeseeeeseeeeseueeseeeeseeees 26 Ta OaD VE N ARIE ener ere ee or ee ee ee eee ee ee eee ere 27 15 0 REPErENCES ccc ceeccceccceeeceeeceuecceeeceeceuecaueceeesaeesauesueesaeesauecsueesueesaeesueseueesueeseeeseeessuesaeeeseeeseeesaass 27 DATAFORTH y MA1039 MAQ 20 LabVIEW VI User Manual About Dataforth Corporation Our passion at Dataforth Corporation is design
27. een the subject of mishandling misuse misapplication neglect improper testing repair alteration or damage THE PROVISIONS OF THE FOREGOING WARRANTIES EXTEND TO BUYER ONLY AND NOT TO BUYER S CUSTOMERS OR USERS OF BUYER S PRODUCTS THE DATAFORTH STANDARD WARRANTY IS IN LIEU OF ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE AND ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY EXCEPT AS TO TITLE THE DATAFORTH STANDARD WARRANTY MAY BE CHANGED BY DATAFORTH WITHOUT NOTICE b Buyer Indemnity Buyer agrees to indemnify and hold Dataforth harmless from and against any and all claims damages and liabilities whatsoever asserted by any person entity industry organization government Page 28 of 30 Or governmental agency of any country resulting directly or indirectly i from any acts not authorized by Dataforth in writing or any statements regarding the products inconsistent with Dataforth s product documentation or standard warranty or ii from any breach or threatened breach by buyer or by any of its employees or agents of any term condition or provision of this Warranty or iii from any warranty representation covenant or obligation given by buyer to any third party and not expressly provided for in this Warranty or iv for any non compliance in any form of the products with any necessary or mandatory applicable laws regulations procedures government or industry policies or require
28. etworks Intemet Protocol Version 6 TCP IPv6 4 Intemet Protocol Version 4 TCP IPv4 Link Layer Topology Discovery Mapper 1 0 Driver Link Layer Topology Discovery Responder lt lt KI K K K K K Install Uninstall Properties Description Allows your computer to access resources on a Microsoft network ok Cance i U Local Area Connection 2 Properties X Networking Sharing Connect using EW ASIX AX88772 USB2 0to Fast Ethemet Adapter This connection uses the following items o Client for Microsoft Networks 2 Deterministic Network Enhancer Z QoS Packet Scheduler 2 File and Printer Sharing for Microsoft Networks Intemet Protocol Version 6 TCP IPv6 Intemet Protocol Version 4 TCP IPv4 Link Layer Topology Discovery Mapper 1 0 Driver Link Layer Topology Discovery Responder 4 lt K K K K K K Install Uninstall Properties Description Allows your computer to access resources on a Microsoft network Figure 2 Host Computer Ethernet Port Configuration Configure the port to use a static IP address Host computer static IP Address 192 168 XXX XXX Choose any address that does not match the one set in the MAQ20 If the MAQ20 is set for 192 168
29. h no local PC e Up to 4GB of logged data can be transferred via FTP during real time acquisition e Up to 24 I O modules or 384 channels per system per 19 rack width e Per channel configurable for range alarms and other functions e Backbone mounts within DIN rail and distributes power and communications e System firmware automatically registers the installation and removal of I O modules e O modules can be mounted remotely from the Communications Module e Equal load sharing power supply modules allow for system expansion e Hot Swappable I O modules with Field side pluggable terminal blocks on most models e Sophisticated package enables high density mounting in 3U increments e DIN Rail can be mounted on a continuous flat panel or plate Distributed Processing Enables Even More Functionality e Output modules are programmable for user defined waveforms e Discrete I O modules have seven high level functions gt Pulse Counter Frequency Counter Waveform Measurement Time Between Events Frequency Generator PWM Generator gt One Shot Pulse Generator VV VV WV Multiple Software Options e Free Configuration Software e Intuitive Graphical Control Software gt ReDAQ Shape Graphical HMI Design amp Runtime Solution gt PEmotion Muli Vendor and Multi Language Solution gt Programming examples and LabVIEW Vis gt OPC Server DATAFORTH Page 1 of 30 MA1039 MAQ 20 LabVIEW VI User Manual 2 0 System Description and Documentation
30. ing manufacturing and marketing the best possible signal conditioning data acquisition and data communication products Our mission is to set new standards of product quality performance and customer service Dataforth Corporation with more than a quarter century of experience is the worldwide leader in Instrument Class Industrial Electronics rugged high performance signal conditioning data acquisition and data communication products that play a vital role in maintaining the integrity of industrial automation data acquisition and quality assurance systems Our products directly connect to most industrial sensors and protect valuable measurement and control signals and equipment from the dangerous and degrading effects of noise transient power surges internal ground loops and other hazards present in industrial environments Dataforth spans the globe with more than 50 International Distributors and US Representative Companies Our customers benefit from a team of over 130 sales people highly trained in the application of precision products for industrial markets In addition we have a team of application engineers in our Tucson factory ready to solve any in depth application questions Upon receipt of an RFQ or order our Customer Service Department provides fast one day delivery information turnaround We maintain an ample inventory that allows small quantity orders to be shipped from stock Dataforth operates under an ISO9001 2008 qu
31. les provide connection between a host computer and a MAQ20 Data Acquisition System over Ethernet USB RS 485 or RS 232 Ethernet communications use the Modbus TCP protocol USB communications are based on the Modbus RTU protocol and RS 485 and RS 232 communications use the Modbus RTU protocol Serial communications over RS 485 can be either 2 wire or 4 wire Each MAQ20 COMx module can interface to up to 24 MAQ20 I O modules in any combination allowing high channel counts and great flexibility in system configuration A removable microSD card can be used by the MAQ20 COMx module to log data acquired from the MAQ20 I O modules For details on hardware installation configuration and system operation refer to the manuals and software available for download from www dataforth com mag20 download aspx This includes but is not limited to MA1036 MAQ20 Quick Start Guide MA1040 MAQ20 Communications Module Hardware User Manual MA1041 MAQ20 milliVolt Volt and Current Inout Module Hardware User Manual MA1037 MAQ20 Configuration Software Tool User Manual MA1038 MAQ20 ReDAQ Shape for MAQ20 User Manual MAQ20 940 941 ReDAQ Shape Software for MAQ20 Developer Version User Version MAQ20 945 MAQ20 Configuration Software Tool MAQ20 952 IPEMotion Software for MAQ20 Page2of30 o EDAR 3 0 4 0 4 1 MA1039 MAQ 20 LabVIEW VI User Manual General Description The MAQ20 LabVIEW VIs provide a common interface to the MAQ20 Data Acquisition System u
32. ments related to the use sale or importation of the products Such indemnification shall include the payment of all reasonable attorneys fees and other costs incurred by Dataforth in defending such claim c Limitation on Damages 1 IN NO EVENT SHALL DATAFORTH ITS SUPPLIERS LICENSORS SERVICE PROVIDERS EMPLOYEES AGENTS OFFICERS AND DIRECTORS BE LIABLE FOR INDIRECT SPECIAL INCIDENTAL COVER ECONOMIC PUNITIVE ACTUAL EXEMPLARY CONSEQUENTIAL OR OTHER DAMAGES OF ANY NATURE INCLUDING WITHOUT LIMITATION LOST PROFITS OR REVENUES COSTS OF REPLACEMENT PRODUCTS LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE ANY DATAFORTH PRODUCT 2 INNO EVENT SHALL DATAFORTH BE LIABLE FOR DIRECT SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY NATURE RESULTING FROM BUYER S NONCOMPLIANCE IN ANY FORM WITH ALL NECESSARY OR MANDATORY APPLICABLE LAWS REGULATIONS PROCEDURES GOVERNMENT POLICIES OR REQUIREMENTS RELATED TO THE USE SALE OR IMPORTATION OF PRODUCTS 3 INNO EVENT WILL THE COLLECTIVE LIABILITY OF DATAFORTH AND ITS SUPPLIERS LICENSORS SERVICE PROVIDERS EMPLOYEES AGENTS OFFICERS AND DIRECTORS TO ANY PARTY REGARDLESS OF THE FORM OF ACTION WHETHER BASED UPON WARRANTY CONTRACT TORT OR OTHERWISE EXCEED THE GREATER OF EITHER US 1000 00 ONE THOUSAND DOLLARS U S A CURRENCY OR THE AMOUNT PAID TO DATAFORTH FOR THE APPLICABLE PRODUCT OR SERVICE OUT OF WHICH LIABILITY AROSE P DA
33. o read from are 0 address offset 1200 RIC seconds 1200 through 0 address offset 1206 RTC year 1206 Slot Model S 0 MAQ20 COM2 of Registers to Read Local Start Address 1200 Register Values J u MER MM V E B j14 Ja jis fa j15 Figure 8 MAQ20 COM2 or COM4 VI User Interface Page 120f30 S CDan MA1039 MAQ 20 LabVIEW VI User Manual 8 0 MAQ20 Thermocouple Input Module Interface One Read Holding Registers VI is used to read the module Model and a second is used to read the registers containing the data from the input channels Slot is multiplied by 2000 to generate the address offset of Registers to Read Figure 9 MAQ20 JTC Basic VI Structure To determine the address to read from use the Address Map for the MAQ20 xTC Types J K T R and S Thermocouple Input Modules found in the appendix of MA1047 MAQ20 TC Input Module Hardware User Manual An excerpt from the Address Map is shown below Channel Data is stored starting at address 1000 NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Data Data Range type Address Range 1000 1699 Module Data Start Read Number of Description 1000 RW 8 Channel Data Data for all 8 Channels see Table INT16 The MAQ20 JTC module in the demonstration system has a registration number of 1 and an address offset of 2000 1 2000 The addresses to read from are 2000 add
34. ress offset 1000 MAQ20 JTC Ch 0 3000 through 2000 address offset 1007 MAQ20 JTC Ch 7 3007 MAQ20 input module input ranges can be configured on a per channel basis These can be set or checked using the MAQ20 Configuration Software Tool or REDAQ Shape Software for MAQ20 to obtain the optimum range and resolution for given measurements The following screen shot is from the ReDAQ Shape for MAQ20 software Setup Scale Data Control Loop Alam Channel Name User Tag Name Data Display Input Select Avg Weight Max Min Input Range Control Loop Alarm input 0 1_JTC_1_0 1113479 Ro 4 Reset 100to 760 C None input 1 1_JTC_1 1 1113479 Ro 4 Reset 100to 760 C None input 2 T ATF BEZI Ro n Reset 100to 760 C None input 3 1_JTC_1 3 1113479 Ra 4 Reset 100to 760 C None input 4 1_J1C_14 1113479 Ra 4 100 to 760 C None input 5 1_JTC_15 1113 479 Fo 4 Reset 100to 760 C v None input 6 1JTC_16 BEIEN Ro l4 Reset 100to 760 C None Input 7 1_JTC_1_7 EE Raw 4 Reset 100to 199 C None Figure 10 ReDAQ Shape Interface to MAQ20 JTC PX DATAFORTH Page 13 of 30 MA1039 MAQ 20 LabVIEW VI User Manual Data stored in the MAQ20 registers is in counts To convert this to engineering units
35. s fans fama Y a fessa 27 65 Figure 12 MAQ20 JTC VI User Interface 9 0 MAQ20 Millivolt Voltage amp Current Input Module Interface One Read Holding Registers VI is used to read the module Model and a second is used to read the registers containing the data from the input channels Slot is multiplied by 2000 to generate the address offset re sos O of Registers to Read 2st Cho Figure 13 MAQ20 VDN Basic VI Structure To determine the address to read from use the Address Map for the MAQ20 MVDN VDN VSN IDN or ISN Input Modules found in the appendix of MA1041 MAQ20 mV V mA Input Module Hardware User Manual An excerpt from the MAQ20 VDN Address Map is shown below Channel Data is stored starting at address 1000 NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Address Range 1000 1699 Module Data Start Read Number of sue Data 1000 R 16 Channel Data Data for all 8 Channels 4096 to 4095 INT16 The MAQ20 VDN module in the demonstration system has a registration number of 2 and an address offset of 2000 2 4000 The addresses to read from are 4000 address offset 1000 MAQ20 VDN Ch 0 5000 through 4000 address offset 1005 MAQ20 VDN Ch 5 5005 MAQ20 input module input ranges can be configured on a per channel basis These can be set or checked using the MAQ20 Configuration Software Tool or REDAQ Shape Software
36. s found to be so defective and promptly return such products to buyer transportation and insurance prepaid Should Dataforth s examination and testing not disclose any defect covered by the foregoing Warranty Dataforth shall so advise buyer and dispose of or return the products in accordance P DATAFORTH MA1039 MAQ 20 LabVIEW VI User Manual with buyer s instructions and at buyer s sole expense and buyer shall reimburse Dataforth for testing expenses incurred at Dataforth s then current repair rates f Repair Warranty Dataforth warrants its repair work and or replacement parts for a period of ninety 90 days from receipt by buyer of the repaired or replaced products or for the remainder of the warranty period for the initial delivery of such order as set forth in paragraph a above whichever is greater g Critical Applications Certain applications using Dataforth s products may involve potential risks of death personal injury or severe property or environmental damage Critical Applications DATAFORTH S PRODUCTS ARE NOT DESIGNED INTENDED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS SAFETY EQUIPMENT NUCLEAR FACILITY APPLICATIONS OR OTHER CRITICAL APPLICATIONS WHERE MALFUNCTION OF THE PRODUCT CAN BE EXPECTED TO RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY DAMAGE BUYER USES OR SELLS SUCH PRODUCTS FOR USE IN SUCH CRITICAL APPLICATIONS AT BUYER S OWN RISK AND AGREES TO DEFEND
37. sable by any SCADA HMI or other application developed using LabVIEW This simplifies communication with the MAQ20 and allows quick development of application specific sophisticated data acquisition and control systems The Vis were developed using LabVIEW 2014 and use the standard National Instruments Modbus Vis They are building blocks that show how to connect to a MAQ20 system and perform I O module configuration and data input and output operations Dataforth provides the MAQ20DEMO B Demonstration Suitcase and Process Simulator to show basic operation of the system The MAQ20 system in this demonstration set is comprised of MAQ20 COM4 Communications Module MAQ20 JTC 8 Channel J Type Thermocouple Input Module MAQ20 VDN 8 Channel Differential Voltage Input Module MAQ20 VO 8 Isolated Channel Voltage Output Module MAQ20 DIOL 5 Discrete Output 5 Discrete Input Module The VI titled MAQ20 IO Module Interface TCP Example shows how to interface to each of these modules and is developed specifically to connect to the Demonstration Suitcase The techniques used are examples of how to interface to any MAQ20 Communications or I O module and portions of the VI can be cut and pasted to develop other applications System Communications The MAQ20 uses the Modbus TCP protocol for communication over Ethernet and the Modbus RTU protocol for communication over USB RS 485 and RS 232 Refer to MA1040 MAQ20 Communications Module Hardware User Manual found
38. stration number of 4 and an address offset of 2000 4 8000 The addresses to write to are 8000 address offset 1000 MAQ20 DIOL Ch DOO 9000 through 8000 address offset 1004 MAQ20 DIOL Ch DO4 9004 and the addresses to read from are 8000 address offset 1005 MAQ20 DIOL Ch DIO 9005 through 8000 address offset 1009 MAQ20 DIOL Ch DI3 9009 Although the data is Boolean the MAQ20 stores it as INT16 and uses holding register RAW operations for access bo n a A Discrete Input B H gt of Registers to Read Figure 22 Reading and Writing Discrete I O Data From and To MAQ20 DIOL Discrete Output Slot Model DOO DO1 DOZ Do3 DO4 A 7 Local Start Address 1000 A A A rh A gli MAQ20 DIOL Ch DO0 DO5 Output Data 1 g1 og TA o Discrete Input i l ict t of Registers to Read Local Start Address 1000 gt 5 Ch DIO DG Input Data Jo iz p a e Figure 23 MAQ20 DIOL VI User Interface P DATAFORTH Page 21 of 30 MA1039 MAQ 20 LabVIEW VI User Manual 12 0 Reading and Writing Data with the MAQ20 LabVIEW VI The complete VI allows read write operations to MAQ20 modules in up to 5 slots or a MAQ20 data acquisition system comprised of one Communications Module and 4 I O Modules MAQ20 IP Address Read Interval ms Slots to Scan 197 168 128 100 500 J 5 STOP Slot Model J 0 MAQ20 COM2 of Registers to Read Local Start Address 1200 Register Values J7 RE EnO jo
39. the MAQ20 registers is in counts To convert this to engineering units use the count mapping tables in the appendix of the specific MAQ20 Hardware User Manual Table 3 MAQ20 VO Range Assignment Standard Output Equivalent Equivalent Volts per Range Voltage Counts Over Under Range Counts Count 0 10V to 10V Default 98 to 3998 10 5V to 10 5V 0 to 4095 0 005128 5V to 5V 1073 to 3023 5 25V to 5 25V 1024 to 3072 0 005128 O2 2 5V to 2 5V 1561 to 2536 2 625V to 2 625V 1536 to 2560 0 005128 O to 10V 2048 to 3998 0 to 10 5V 2048 to 4095 0 005128 2048 to 3023 0 to 5 25V 2048 to 3072 0 005128 0 to 2 5V 2048 to 2536 0 to 2 625V 2048 to 2560 0 005128 The VI does not have the ability to configure the output ranges but this could be added to the VI by adding a Write Multiple Holding Registers VI and writing to the appropriate registers To enter data to be written to the module in engineering units count mapping for the MAQ20 VO module has been built into the VI Range and count mapping are applied to the data to be written and then the resulting signal representation in counts is sent to the module Oo ae f s Output Voltage oe Fa 0 Scale Counts f s Counts 2048 Bes Figure 19 Entering MAQ20 VO Data in Engineering Units CDATA ee 19 of 30 MA1039 MAQ 20 LabVIEW VI User Manual Output Voltage Slot Model Cho Chi Ch Ch3 Ch4 Ch5 Ch6 Ch ry Local Start Address 1000 a Fl 10 ar Fh fa A ar
40. uracies or omissions DATAFORTH assumes no responsibility for the use of this information and all use of such information shall be entirely at the user s own risk Application information is intended as suggestions for possible use of the products and not as explicit performance in a specific application Prices and specifications are subject to change without notice No patent rights or licenses to any of the circuits described herein are implied or granted to any third party DATAFORTH does not authorize or warrant any DATAFORTH product for use in life support devices and or systems MAQ20 LabVIEW VI User Manual MA1039 Rev A April 2015 2015 Dataforth Corporation All Rights Reserved ISO9001 2008 Registered QMS pagesoot30 S ODAAT
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