Modbus Guided Tour AzeoTech DAQFactory
Contents
1. DAQFactory Untitled a xi i Ele Edt Yew Quck Anakiss Debug Layou Tods tinto Help ied gt mB eed SG PHAR Workspace ax f CONNECTIONS a E F Local TF ALARMS B CHANNELS Pressure ln CONVERSIONS E EXPORT f LOGGING aH sapadosd TR x Pressure 0 431 V O Page 3 E commands Alert FAI For Hab press F1 Screen Pos X 83 Yi 33L You now know how to display your data using several different screen components Next we will learn how to use the graph to display historical data In the mean time feel free to play with other similar components if you d like When done you can delete them by selecting the component Control Click and then right clicking and selecting Delete Component For more information on page components and creating your user interface see the chapter entitled Pages and Components in the User s Guide For more information on expressions and the functions available for use in expressions see the chapter entitled Expressions in the User s Guide Displaying some Data Graphing Trending the Data Graphing Trending the Data 29 Graphing Trending the Data Displaying scalar values in text or gauge form is certainly useful but nothing is better than a graph to give you a handle on what is happening with your system DAQFactory offers many advanced graphing capabilities to help you better understand your system2. E F Local TF ALARMS amp CHANNELS D n Wy CONVERSIONS Z Cd EXPORT peo LOGGING sy W PD 2 SEQUENCES q Ei v Hi Massa s D PAGES E O Pago D Pags O Paqs_2 O paq3_3 C Paga O pags_s D Pagas D Paga D Pagas I Di mas n El Command f Alert Alb For Heb press F1 Screen Pos K 314 Y 356 2 In the Channel Table View that appears click on the Add button at the top This creates a new row where we will enter the information for our first channel 3 In the new row of the table enter Pressure in the Channel Name column All channels must have a name You can assign any name you want to your channels as long as they are unique start with a letter and only contain letters numbers or the underscore _ 4 In the second column Device Type select Modbus from the drop down list The device type determines which type of device you wish to communicate with This can be a specific manufacturer a specific device or a generic communications method such as OPC In our case we select the device we just created that has our port settings and protocol 5 In the third column D enter the Modbus ID of your hardware This usually defaults to 1 for most hardware but you ll have to refer to your device settings for the proper value The device is only used by some devices and has different meanings depending on the device For Modbus it is the device ID 6 In the fourth column I O Type select Read
3. In this section we will make a simple Y vs time or trend graph Note the traces in the screenshots are for those without hardware that are using the Test device For those using real hardware your screens will almost certainly look a bit different but you should be able to see data after going through these steps 1 If you are still displaying the page with the gauge value on it hit the 1 key to switch to Page_1 If you are in a different view click on Page_1 in the workspace The workspace is only one way to switch among pages Another is using speed keys which can be assigned to a page By default the initial 10 pages are assigned the keys 1 through 0 2 Right click somewhere on the blank page and select Graphs 2D Graph Move and resize the graph so it takes up most of the screen To move the graph simply hold the Ctrl key down and click and drag To resize hold the Ctrl key down and click and drag one of the 8 dark squares around the outside of the graph Next open the properties window for the graph Dar actory uniten t 1 Ele Edt Yer Quck Anaise Debug Lavou Tocs Yindow Help i Da i E t S 2 a Workspace a x Et CONNECTIONS a E 7 Local TF ALARMS CHANNELS Pressure Ba CONVERSIONS kq EXPORT LOGGING H satpadolg ia E command alert Ail For Heb press F1 Screen Pos Xi 51 Y 204 ue SAFE 3 Next to YExpression type Pressure The
4. in the Command Alert window located at the bottom of the DAQFactory window Now that your DAQFactory document is connected to DAQConnect we can have our Pressure channel send its data to DAQConnect 6 Click on CHANNELS in the workspace find the Pressure channel and check the box under the column labeled DAQConn Click Apply Main Channel Name Quick Note Special OPC DAQCOnn DC Hst DC Intel Moc A The pressure channel will immediately start sending its data to your DAQConnect data source Now we can go to DAQConnect in a browser and view the data 7 Open up your favorite browser and browse to www daqconnect com then click on customerlogin or my account if you are already logged in Feel free to do this on a different computer Login using the account you created in step 2 above Although you can use pretty much any browser we recommend Chrome because it has the fastest JavaScript implementation then Firefox and finally IE which unfortunately still falls way behind in its JavaScript performance 2011 AzeoTech Inc Viewing Data on the Web 43 8 Once logged in you will be presented with the main DAQConnect editor and a blank page Click on the Basics menu at the top You then see your Tank data source listed with the Pressure channel or tag as its called in DAQConnect listed underneath To the right of Pressure are three icons Drag the first one onto the big white area the
5. type out 8 Leave the Range blank and click OK The range allows you to constrain the inputs to particular values By leaving these properties blank we are indicating that we do not want a range limitation The page will now display your caption and 0 with a big red X through it This indicates that out does not have a valid value yet This is because we haven t set it to anything Yariable Yalue Component d x Main Color Size Action Action Add elete Action Channel fut Range and Interval 1 New Pagels Press lt Enter gt between pages 9 Click on the component A new window will appear requesting a new value Enter any number and hit OK Out will now be set to the value you entered The component will now display your new value without the big red X The next steps will not work in DAQFactory Express because it doesn t include knobs Consider Controlling an Output 36 Modbus Guided Tour upgrading to any of the paid versions of DAQFactory to get knobs and thirty some other controls among other things 10 To try a different control right click somewhere else on the screen and select Sliders amp Knobs Knob Right click on the new component and select Properties to open the properties window 11 Next to SetChannel type out Under Update Interval put 0 1 Leave the rest of the properties at their default values and click OK The knob is now set to control the out c
6. DAQFactory into zero index mode See the DAQFactory help for more information Leave the rest of the columns in their default setting One important item to mention is the sixth column Timing For input channels this determines how often the input is read from the device The interval provided here is in seconds For now we are going to leave it set at 1 or one new reading per second In general you will never want to make this number smaller than 0 01 and for Modbus even that is probably too fast for most hardware Click on the Apply button at the top of the screen The changes you make are not implemented by DAQFactory until you click Apply If you do not want to keep your changes you can click Discard Once you click Apply DAQFactory will start taking trying to take data from the Modbus device and will place that data in the Pressure channel Channel Table View _ Add Duplicate Delete Export Import Apply Discard Main New Group Channel Name Device Type v Dt 1 0 Type Chn Timing Offset gt Pressure Modbus 1 Read Holding 16 3 24 1 00 00 Click on the sign next to CHANNELS in the workspace The sign appeared when you hit Apply Clicking on it displays the channels you ve created as separate items in the workspace Click on Pressure listed under CHANNELS in the workspace This will display the channel view for the channel Pressure The channel view displays the conf
7. EXPORT H sapaiog IBN E commands Alert FI For Hab press F1 Screen Pos x 482 1139 2 Click on the Add button in the logging set and when prompted for the new name type in Log and click OK Like channels and all other DAQFactory names the logging set name must start with a letter and only contain letters numbers or the underscore Once you click OK the logging set view will be displayed for the new logging set You can also get to this view by clicking on the logging set name listed under LOGGING in the workspace You may have to click on the sign next to LOGGING to see your logging sets listed in the workspace 3 Next to Logging Method select ASCII Delimited ASCII Delimited is probably the most common method for data logging as it can be read by most other programs such as Excel Unfortunately it is not as space efficient or fast as the binary methods But unless you have strict space constraints or you are logging more than about 10 000 points per second depending also on your computer hard drive speed we suggest ASCII since it can easily be read by other programs like Excel 4 Next to File Name enter c DAQFactory mylogfile csv It is usually best to fully specify the path to your file otherwise the data will be stored in your DAQFactory directory The csv is a windows standard designation for comma delimited values Note the c DAQFactory directory will need to exist and wi
8. Holding S16 3 or select from any of the other Modbus register types depending on your hardware Read Holding S16 is a good fallback for analog inputs Modbus technically only supports 6 different I O types force read coil read input status read write holding register and read input register However hardware manufacturers have enhanced Modbus by combining multiple registers in various ways to achieve registers with non standard types like 32 bit integers and floating Creating an Input Modbus Channel 16 Modbus Guided Tour 7 point values out of the standard 16 bit Modbus register You should refer to your hardware documentation to see which type applies Sometimes especially with the various floating point types it is not clear from the documentation which is appropriate In this case you will often simply have to try each one until you get the proper values In the fifth column Chn enter the Modbus register address you wish to read There is no fallback here you will have to look in your hardware manual 10 il 12 Modbus addressing falls into two categories what we call zero indexed and 40 000 notation You can use either here and DAQFactory will automatically adjust The only exception is if your hardware manual uses zero indexed and has registers that get up into the 30 000 and 40 000 range In this case you will need to read a register in the 50 000 range even if it doesn t exist to fix
9. Next we will log the incoming data to disk For more information on the components that manually control outputs see the chapter entitled Pages and Components in the User s Guide Most of the components can be used to control outputs For more information on PID loop control see the chapter on PID loops in the User s Guide For more information on sequences and automating your system see the chapter on Sequences in the User s Guide 2011 AzeoTech Inc Logging Data 38 Modbus Guided Tour Logging Data So far we have seen how to take data and display it on the screen Next we will learn how to store this data to disk so that it can be opened with another program for analysis In this example we will create a simple comma delimited file with our pressure data 1 Click on LOGGING in the workspace This will display the logging set summary view Here you can see all your logging sets displayed and their running status A logging set is a group of data values being logged in a particular way to a particular file You can have as many logging sets as you need and they can run concurrently osato uniti ON i Ele Edt Yew Quck Anaise Debug Lavou Iocs Yindow Help D 2 li j a amp 2555 Lopging Set Summary Workspace ___ di Duplicste Hename Dewe Bodin x cima gt Loggng Set Name T Status 13 ALARMS I B CHANNELS Out Pressure B CONVERSIONS Ck
10. Port parameters Flow Control Baud o Type None Byte Size ja gt j RTS Control Enable Parity None DTR Control Enable Stop Bits j al DSR Flow Contro ST Timeout 1000 msec DSR Sensitivity a CTS Flow Control IT 3 If you are doing a serial RS 232 RS 422 or RS 485 connection in the window that appears give your comm port a name then specify the comm port number and its parameters This information is usually available from your device s manual The default timeout value of 1000 is fine Most likely flow control will be off Click Save and proceed to step 5 New Ethernet Ethernet Configuration E x Connection Name IP Address Cancel Port fo Timeout 1000 msec 4 If you are doing an Ethernet connection in the window that appears give your connection a name then enter the IP address of the device You will need to configure your device with a valid IP on your subnet and not the URL The device manual should explain how to do this If you don t know what a valid IP is or for that matter what subnet means you should ask an IT person or get help from the device manufacturer Next you will need to enter the IP port The standard port for ModbusTCP is 502 so unless you are using a serial to Ethernet converter it will almost certainly be 502 Finally a timeout of 1000 is more then adequate for most cases Click Save and proceed to step 5 Ethernet is really a big bundle of d
11. different right click popup menus When selected it displays the same popup menu as the rest of the components When it is unselected it displays a completely different popup for manipulating the special features of the graph After autoscaling you should see the graph properly scaled from 10 to 10 for the Test device or other values for real hardware users Notice the rectangle around the graph The left and right sides are green while the top and bottom are purple The purple lines indicate that the Y axis of the graph is frozen A frozen axis ignores the scaling parameters set in the properties window like we did in step 6 above and uses the scaling from an autoscale pan or zoom Graphing Trending the Data 32 Modbus Guided Tour 9 To thaw the frozen axis right click on the graph and select Freeze Thaw Thaw Y Axis DAOQF actory Untitled _219 x i Ble Edt Yew Quck Anakss Dabug Layou Iocs Yindow Help D li j l med G 3 t i 2 workspace ax Z 7 CONNECTIONS a E 7 Local TF ALARMS E amp CHANNELS i Pressure CONVERSIONS Oe EXPORT LOGGING sen sapadoid BW 5 PAGES D Pag _0 D Paget DI Peg 2 iD Pag _3 Pages mi i O Psge_5 6 Tue Mar 2007 Dy Page 6 D Page 7 xl E commands alert Rls For Hab press F1 Screen Pos X 13 Y 193 ALERT SAFE _ Once thawed the graph will revert to the 1 to 1 s
12. doing multidrop 422 or 485 you will use the same DAQFactory device to connect to all your devices in the chain DAQFactory handles serial communications by splitting the transport layer RS 232 RS 422 RS 485 Ethernet etc from the protocol used on that layer Modbus DF1 NMEA In less technical speak you can think of the transport layer as a telephone There are many different types of telephones ones that plug into a wall cordless phones cellular phones and even VOIP We then communicate on the phone The protocol is the language that we speak English Swahili Klingon modem speak By splitting the telephone from the language we can use any language on any phone type DAQFactory provides all the tools for communicate over the various phone types DAQFactory provides several different languages to communicate with common devices but also provides the tools for you to specify your own special languages In order for you to communicate with your device you have to select and configure the proper telephone type and you have to speak the proper language over the phone 1 Select Quick Device Configuration from the DAQFactory main menu then select New Serial RS232 485 Ethernet TCP IP Device This will open up the serial device configuration window For now we ll ignore most of it since we just want to talk to our device a little 2 Click on either New Serial RS232 422 485 Or New Ethernet TCP Client depending on how you device
13. page outside the menu to view the current Pressure reading as a number a Basics v Visuals Edit gt Data gt Alarms Ut Add Data Source Claim a device Data Source Tank Pressure W 4A Alerts and Messages Current Time 09 13 11 22 26 25 200 AutoGenID_1 sia lie ey 9 Try dragging the other two icons to the page to view a gauge and a trend graph of your data There are a number of other controls available in the Visuals menu See the DAQConnect help for more information 10 Click on Save at the top right corner to save your new DAQConnect page Now you can login from anywhere to view real time values There are ways to create restricted read only members with separate login for the same account as well as the ability to embed your dynamic DAQConnect pages inside other web pages Please refer to the DAQConnect help for more information That is the very basics of DAQConnect Feel free to explore more with your free account and refer to the DAQConnect help for more details There is also more detail on using DAQFactory with DAQConnect and control capability in the DAQFactory help You have now acquired displayed logged your data and viewed it on the web from a browser For simpler applications it is simply a matter of repeating most of these steps for additional channels But even for simpler applications there are many adjustments available for fine tuning your application to work th
14. the shaded rectangle surrounding it 8 While holding the Control key click and drag the Variable Value component to a new location on the screen This allows you to move the component around the screen The next steps will not work in DAQFactory Express because it doesn t include gauges Consider upgrading to any of the paid versions of DAQFactory to get gauges and thirty some other controls among other things 9 Right click somewhere else on the screen away from the displayed component and select Gauges Angular a xi i Ele Edt Yew Quck Anaise Debug Layout ods ndow Help i Dw RBE wad SP Ra55 Workspace ax f CONNECTIONS a Pressure 0 967 V E Local TF ALARMS o VELIA d a amp CHANNELS h Pressure N CONVERSIONS amp EXPORT LOGGING Ac PID SEQUENCES ofr V CHANNELS 9 PAGES O Pag O Paget D Page_2 Page_3 Pages D Page 5 Page D Page sl H sapaioig BW E cemmand Alert Fl For Hab press F1 ALERT Screen Pos X 159 V 341 Displaying some Data 26 Modbus Guided Tour 10 Right click on the new component and select Properties to open its properties window 11 For the expression enter Pressure 0 10 As we mentioned before expressions are actually formula so wherever there is an expression we enter in oo This particular one simply takes the most recent value of the pressure chann
15. AzeoTech DAQFactory Modbus Guided Tour Modbus Guided Tour DAQFactory for Windows Version 5 86 Sunday September 18 2011 Copyright 2001 2011 AzeoTech Inc All rights reserved worldwide Information in this document is subject to change without notice AzeoTech is a registered trademark of AzeoTech Inc DAQFactory is a registered trademark of AzeoTech Inc Other brand and product names are trademarks of their respective holders This manual Copyright 2011 AzeoTech Inc All rights reserved worldwide No portion of this manual may be copied modified translated or reduced into machine readable form without the prior written consent of AzeoTech Inc Contents Table of Contents Tour Overview Tour Assumptions Tour Terminology Creating a Serial Ethernet Device Creating an Input Modbus Channel Troubleshooting Modbus and the Comm Monitor Creating an Output Modbus Channel Displaying some Data Graphing Trending the Data Controlling an Output Logging Data Viewing Data on the Web 11 15 19 22 24 29 35 38 41 2011 AzeoTech Inc Tour Overview Tour Overview 5 Tour Overview In this tour we will show you how to use DAQFactory to perform data acquisition display your data both locally and on the web and logging and give you the base to proceed comfortably through the rest of the User s Manual or explore DAQFactory on your own We recommend perfo
16. Y expression is an expression just like the others we have seen so far The difference is that a graph expects a list or array of values to plot where in the previous components we have only wanted the most recent value By simply naming the channel in the Y expression and not putting a 0 after it we are telling the graph we want the entire history of values stored in memory for the channel The history length which determines how many values are kept in memory and therefore how far back in time we can plot is one of the parameters of each channel that we left in its default setting of 3600 Graphing Trending the Data 30 Modbus Guided Tour O craon comoro TTWT xl Tracer owe Gerard Coker Forti eda Bound Arnetations Lina Annotator YEmaezion fprenzuze KEren time Lat Leis 1 4 Leave all the rest in their default settings and click OK If you are using the Test device you should now see the top half of a sine wave displayed in the graph The sine wave will move from right to left as more data is acquired for the pressure channel To display the entire sine wave we need to change the Y axis scaling If you are using real hardware you may or may not see a trace depending on whether the reading is between 0 and 10 If its outside this range you ll need to change the Y axis scaling Even if it is in this range you may want to expand the Y axis to see more detail DAOQF actory Untitle
17. ake sure the D of your channel is the same The above problems typical result in either no comms or comm timeouts meaning you ll see Tx lines in the comm monitor but no Rx The ones below typically have a response but its an error though some devices won t respond even when a standard Modbus error is called for 4 noise on the line serial only if you see Rx lines but they don t look similar to the Tx lines you probably have noise on the line and should evaluate your cabling The first few characters of a Modbus response are identical to the query so the first few numbers in Rx should match Tx 5 wrong I O type some devices only support Input Registers or Holding Registers or have no registers at all just coils Most will return a standard Modbus error which will appear in the Command Alert window View Command Alert from the main menu but some just ignore the request and don t respond 6 wrong Modbus register channel double check your hardware manual That covers the basic failure modes If you continue to have problems please contact AzeoTech support or post to our forum at www azeotech com board 2011 AzeoTech Inc Creating an Output Modbus Channel 22 Modbus Guided Tour Creating an Output Modbus Cnannel In addition to taking data most systems also control outputs Here DAQFactory offers many advanced automated control features such as PID loop control and sequences but for now
18. atically added when displayed 5 Next to Expression enter Pressure 0 Expressions are actually formulas that you can enter to display calculated data In this case the formula simply requests the most recent data point of the channel pressure The 0 indicates the most recent data point If you did 1 you d get the next most recent data point and so forth back to the History length of the channel which we left in the default of 3600 You could just as easily put Pressure 0 10 if you wanted to display the channel s value times ten 2011 AzeoTech Inc Displaying some Data 25 Yariable Yalue Component a xj Main Color Size Action Caption Pressure Expression Pressure 01 Units fv Precision j 3 decimal places Font Arial v i Quick _ Font Size 16 points Analog Out Speed Key Average NOTE A common error is to use instead of for subsetting Although this works in some cases it does not work in all nor do we guarantee that it will continue to work in newer versions 6 Click on OK Now the screen should display Pressure 0 324 V with a changing number This is the current value in the pressure channel we created earlier Feel free to open the properties window again and play with the units font and other settings 7 While holding the Control key click on the first Variable Value component This will select the component as indicated by
19. caling indicated in the properties box and the box surrounding the graph will be drawn entirely in green 10 Double click on the bottom axis to open the properties to the axis page with the bottom axis selected Next to Time Width enter 120 and hit OK If the double click method does not work you can always open the properties window for the graph using normal methods select the Axes page and click on Bottom Axis In a vs time graph the bottom axis does not have a fixed scale It changes as new data comes in so that the new data always appears at the very right of the graph The time width parameter determines how far back in time from the most recent data point is displayed By changing it from the default 60 to 120 we have told the graph to plot the last 2 minutes of data Once again if you zoom autoscale or pan the graph along the x axis it will freeze the x axis and the graph will no longer update with newly acquired values You must then thaw the axis to have the graph display a marching trace as normal 2J x Ele Edt Yer Quck Anakiss Debug Layou gods Yindow Help D li mB may SG 2855 Workspace ax CONNECTIONS a E F Local TF ALARMS G amp CHANNELS D Pressure MA CONVERSIONS oy EXPORT LOGGING I PID o gt SEQUENCES Elf Vv B CHANNELS 2 D PAGES I Page _0 i Paget LP Pag 2 i Page 3 DI Page_4 DI Page_5 6 Tue l4 ar 2007 I Page_6 DI Page 7 xl d se
20. cations to fail 1 bad wiring this is typically only a problem with RS422 485 connections as RS232 and Ethernet usually use prebuilt cabling but it still happens For 422 485 make sure you have proper termination watch for polarity and despite the fact that 422 485 are differential signals you do need the Gnd line hooked up 2 incorrect port settings For serial your comm port settings much match exactly with your device Even an incorrect Parity or Stop bit setting will kill all communications so double check yourself For Ethernet an incorrect IP or port will cause comm failure as well the DAQFactory comm monitor can help If you don t see any Tx lines after you create your channel then DAQFactory was unable to connect to the remote device and the IP or port must be wrong or the IP is on the wrong subnet meaning DAQFactory for example is at 192 168 1 3 and your device is at 10 0 0 5 If you do see Tx lines than DAQFactory was able to connect to something so unless you connected to the wrong port and that port happens to have some other protocol running you probably have the correct port settings and good wiring and can move on to the next possibilities Troubleshooting Modbus and the Comm Monitor 20 Modbus Guided Tour 3 wrong Modbus ID even in ModbusTCP most device require the Modbus ID to match the D specified in your DAQFactory channel Double check the device to find the current Modbus ID setting and m
21. connects to your PC and proceed to either step 3 or step 4 below Device Name Serial Port Ethernet Port Delete Cancel Configure Monitor New Serial R5232 422 485 New Ethernet TCP Client New Ethernet UDP Client New Ethernet Server Protocol MABSLCS Configure Async ASCII Delimited isoLynx Melsecd MitsubishiFX ModbusASCII DModbusASCII Slave aa Prckocal ModbusRTU All three forms of serial connections RS232 RS422 and RS485 are the same as far as DAQFactory is concerned A USB to serial converter will appear as a standard serial comm port on a PC Ethernet Server is usually only used when using the Modbus Slave protocol i e when another device or software is polling DAQFactory for values If you using a serial to Ethernet converter you can typically avoid installing any virtual comm port software and simply select New Ethernet Client and connect directly to the converter s raw port This is because DAQFactory can use any protocol on any transport layer and thus can do ModbusRTU over Ethernet You may need to configure the converter to use raw data Typically you will also need to connect to a Creating a Serial Ethernet Device 12 Modbus Guided Tour non standard Modbus port meaning not 502 It will be whatever the converter uses for its raw communications New Serial Serial Port Configuration xi Connection Name Serial port COM fi Cancel
22. d _ 5 x i Ele Edt Yew Quck Anaise Debug Lavou Tods window Help D li amp BL eh G 2555 i iii iii iii workepace ax ls S F CONNECTIONS a Ea Z E Local Ti ALARMS CHANNELS Pressure N CONVERSIONS Ck EXPORT ff LOGGING SNS aH SES JA EX SS Gori f 2 a 2 z 3 a 4 m R SN DDO PPP mee SANS DO PP si RI R D 7 a 7 E TAAVAWAAAAAVAAAAA A Page a E command Alert Gal Far Hab press F1 Screen Pos X 210 V 347 aLe SAFE 5 Double click on the left axis of the graph Unlike other components you can double click on different areas of the graph to open the properties window for the graph to different pages Double clicking on the left axis brings up the axis page with the left axis selected 6 Next to ScaleFrom enter 1 next to Scale To enter 1 then click OK This will scale the graph from 1 to 1 which will show the entire graph If you are using real hardware feel free to use other values that cover the data reading you were getting in the last section If you don t know what the reading is read on as we ll show how to auto scale the graph 2011 AzeoTech Inc Graphing Trending the Data 31 XC x Tracer fone Gerad Coler Forts Ar Brunei Ar netaticra Line Anmatasion New Maree Let Aux 1 A OOO Es er n Fisting Method line Coty Sos F
23. dbus Like almost all DAQFactory names device names must start with a letter and contain only letters numbers or the underscore You now know how to select a communications port and protocol to create a DAQFactory device Next we will use this device to create our I O channels For more information on serial communications see the chapter entitled Serial and Ethernet Communications in the DAQFactory User s Guide Creating a Serial Ethernet Device Creating an Input Modbus Channel Creating an Input Modbus Channel 15 Creating an Input Modbus Channel Now that you have a device created with your port settings and protocol we can create channels to communicate with your device In this part we will add a channel to the document and start acquiring data 1 In the workspace the tree area along the right of the screen click on CHANNELS under Local The workspace provides an organized presentation of the different configuration screens for setting up your DAQFactory document Clicking on almost every item in the tree will bring up a new view related to the item selected Clicking on CHANNELS displays the channel table where you can manipulate all the channels in your document Make sure and click the CHANNELS under Local and not the one under V Liki ao Fle Edt Yew Quck Analyse Debug Layout Tods Window Help Dak j Ra Ri wey S amp S PAS Workspace n xie 3 3 CONNECTIONS a
24. e A data source is a collection of tags I O points or data values It typically corresponds with a single device or software instance If you are sending data to DAQConnect from multiple devices or PC s you d typically create a separate data source for each Data source names must start with a letter and contain only letters numbers or the underscore This will create a new data source named Tank and link it to your DAQFactory document You can create other data sources in your account and switch among them by clicking on Real time Web gt Connect again 5 The window will close Select Real time Web gt Settings Then check Display Detailed Status in Command Alert and click OK Real time Web Access S These settings are typically not required to use DAQConnect You should be able to simply select Connect from the main menu MW Display Detailed Status in Command Alert The settings below should remain at their defaults www daqconnect com unless you have a dedicated server account or are using a proxy server If you are using a proxy change Host to the name or IP of the proxy server Host www daqconnect com Host Name www daqconnect com Cancel This will cause DAQConnect status messages to appear in the command alert window This setting is designed for debugging only and is not saved with the document If all is well you should see DAQConnect status messages probably saying Sending 0 tags to server
25. e way you want These along with many more walk throughs and examples are provided in the appropriate sections of this manual At this point we suggest playing with DAQFactory a bit jumping to the appropriate sections of the manual for more detail on the areas of DAQFactory you may be interested in utilizing Viewing Data on the Web
26. el and multiplies it by 12 For the Range enter 10 to 10 You ll want to adjust the range so that the reading from your device times 10 is within the range of the gauge x Main Arc Min Max Ticks Sections Expression pressure 0 10 Range 10 to j 10 Pointer toe ZO CA Margin 2 a Color pe e Fia Transparent Background ______ Speed Key 13 Click OK The gauge will now be scaled from 10 to 10 or whatever you selected and the gauge arrow will move with the value of pressure Notice how the first screen component still displays the original channel values Both of these components are independent of each other 14 While holding the Control key click on the first Variable Value component This will select the component as indicated by the shaded rectangle surrounding it 15 While holding the Control key click and drag the Variable Value component to a new location on the screen This allows you to move the component around the screen Try the same thing with the gauge 16 While holding the Control key click on the gauge Square dots will appear at the corners of the gauge Click and drag these dots to resize the graph The gauge is a resizable component and displays square black dots around the selection rectangle for resizing The Variable Value component automatically sizes to its contents so does not display the dots 2011 AzeoTech Inc Displaying some Data 27
27. hannel Update Interval controls how often the command to update the output channel is sent to the device The screen refreshes the knob very quickly usually too quick for serial and Ethernet based devices This parameter keeps the communications ports from getting tied up with rapid refreshes 0 1 means the output is only updated 10 times a second when the knob is turned 12 Click on the knob and drag in a circle as if turning the knob You may have to click once beforehand to deselect the knob The number inside will change indicating the present setting and out will be changed to this value If you look at the variable value component we just created you will see it update as well Likewise if you click on the variablevalue component and set it to a different value between the current knob s range of 0 to 100 you will see the knob update to the new setting zaxi i Ele Edt Yew Quck Anakis Dsbug Lavou Tods tWniow Help i Dl li mB mead SG 3 amp Workspace a x f CONNECTIONS a Out 42 280 V ELS Local TF ALARMS B CHANNELS Sout HO Pressure TI l CONVERSIONS fh a Mb SEQUENCES 2E V lt CHANNELS 5 PAGES 0 100 D Pare 0 D Page_1 O Page 2 Page 3 Pages D Page_5 O Page_6 l E commands leet QI For Hab press F1 Screen Pos X 233 Y 333 You now know how to set an output to value using several different screen components
28. he Comm Monitor 19 Troubleshooting Modbus and the Comm monitor In this section we ll go over some troubleshooting tips If you are seeing data already feel free to skip to the next section Unfortunately if you aren t seeing any data there are a number of things that could be wrong when doing serial or Ethernet communications Fortunately you can usually just step through all the possibilities double checking yourself and the source of the problem will become apparent Monitoring Communications To help with troubleshooting serial and Ethernet communications DAQFactory provides a communications monitor To view this monitor click View Comm Monitor from the DAQFactory main menu This will display a docking window usually at the bottom of the DAQFactory window Right click in the main part of this window and select the communication port you wish to monitor Unless you are doing Modbus ASCII you will probably also want to enable the Display All Chars as ASCII codes option also available from the right click menu and probably Display codes as Hex and Display Time of Rx Tx Do not check New line with CR or LF unless you are doing Modbus ASCII Comi None Copy to Clipboard Pause Clear Window New Comm Device Configure v Display all chars as ASCII codes lt Display codes as Hex v Display time of Rx Tx New line with CR or LF Troubleshooting Here are the things that can be wrong and cause communi
29. ifferent communication lines Each one is assigned a port number You can think of it like a skyscraper The IP address is the postal address say 123 Main Street The port is the office number Without both you won t find your device Certain ports have standard uses For example port 80 is typically used by the web for HTTP requests ModbusTCP is typically on port 502 Once again you will need to check with your device for the proper Ethernet port If you don t enter the correct port you will not be able to communicate with your device Selecting the Protocol Once you ve created your serial or Ethernet port you can finish creating your device 5 Select the port you just created by clicking on it A checkbox will appear next to it 6 Select the desired protocol by clicking on it A checkbox will appear next to it DAQFactory supports all three flavors of Modbus RTU TCP and ASCII Refer to your hardware documentation to determine which you need Typically RTU is used for serial devices TCP for Ethernet and ASCII only on 2011 AzeoTech Inc Creating a Serial Ethernet Device 13 older serial devices 7 Give your device a name You will use this name when you create your I O channels For now name it simply Modbus but if you have or expect to have multiple devices connected you may wish to give a more descriptive name When you are done click OK The rest of this guide will assume you named the device Mo
30. iguration information for a single channel In general it is quicker to create your channels in the channel table but the channel view provides space for some extra details In the Channel View that appears click on the Graph tab The channel view also provides a quick graph and table to view your incoming data This can be used to confirm that data is being acquired and that you are reading the correct data You should see some sort of trend displayed in the graph depending on your signal You have just confirmed that you are acquiring data on your pressure channel below we just show a sin wave since we don t know what you have connected to your hardware 2011 AzeoTech Inc Creating an Input Modbus Channel DAN actory Untitled joj x i Ele Edt Yew Quck Anas Debug Lavou gods Yindow Help Oat j me med 7 2 HOS Thame Pressure workowe Man Detaie Even FGR Table A a i sarmo wa dH I Page 7 xl E commands alert eal For Heb press F1 Grach Pos X 22 52 13 95 Yi U 9349969438 24 Jp are 13 If you d like to see the table click on the Table tab If you aren t seeing any data we ll go over some troubleshooting tips next For more information on channels and the various parameters available see the chapter on Channels and Conversions in the User s Guide Creating an Input Modbus Channel Troubleshooting Modbus and the Comm Monitor Troubleshooting Modbus and t
31. ing drag and drop controls like gauges symbols and trend graphs You can then access it from anywhere using a browser and allow others access to the screens as well To establish a connection between your application and the DAQConnect service you will need a DAQConnect account Create Account If you already have an account you will need to login Login 2 Click on CreateAccount when the DAQConnect window opens or if you already have a DAQConnect account click Login login and proceed to step 4 This will create a DAQConnect account allowing you to send data to the web There s a free plan so you can try it without providing a credit card or much of anything else You will not need to login every time you start DAQFactory just when you want to link a DAQFactory application to a DAQConnect data source 3 Fill in the form with the appropriate details and click Create Account When the Select Plan page appears you can leave it on the free plan or select a higher plan for more capabilities and click Continue If you select a paid plan you will be taken to the credit card page otherwise you will go directly to the screen to create a new data source 4 Enter Tank for your new data source name and click Create Viewing Data on the Web 42 Modbus Guided Tour DAG V Connect create Link f Intro sf Login Create Account 2 Create link Done Create New Data Source Data Source Name Tank Creat
32. ll if you installed DAQFactory in its normal place 5 In the ChannelsAvailable table click on the row with Pressure then click on the gt gt button to move it to the Channelsto Log table Each logging set can log any combination of channels In this case we will just log the input channel 6 Click on Apply to save the changes 2011 AzeoTech Inc Logging Data 39 vaarao ureien O Ak Edt Yew Qu amp Anakds Debug Layout Took Window Heb DAH jar 4 9 Bene Logging Set Log AuteStart J h Decad a Workspace xlo F 2 CONNECTIONS all Main Detaks F Local z TF ALARMS Logging Method ASC Deimted s FI CHANNELS z Fie Name Je moglie cav Bout Pressure I my conversions ET n Available a Log Ay EXPORT 7 E Gi LOGGING j 3 Dul german APiosswre i PID SEQUENCES SETA lt OHANNELS D PAGES D Page 0 O Pagi O Pag2_2 O Pag 3 gl D Pags_4 z D Pags_s Rees al E commandi sk ley For Hob prass F1 Straen Pos X 482 V 89 Jaer sare 7 To start logging click on the next to LOGGING to display the new logging set then right click on the logging set Log and select Begin Logging Set Once started the icon next to Log will change and the red stop sign will be removed to indicate that this logging set is running 8 Wait at least 10 or 15 seconds to log some data and then right click on the logging set again and
33. pecially once you have more than one channel In this section we ll add a component some different components to a page that will display data from the Pressure channel 1 Click on Page 0 in the workspace under PAGES This will display a blank white page When DAQFactory starts 10 blank pages are generated automatically with default names You are not limited to these 10 pages and can create as many pages as you want 2 Right click somewhere in the middle of the blank area and select Displays Variable Value This will place a new page component on the screen There are many different components available that allow you to create custom screens This particular component simply displays a changing value in text form DADOFactory Untitled i Ele Edt Yew Quck Anaise Debug Lavow Iocs Yindow Help ad amp t 82 2 whe zaxi Workspace a x f CONNECTIONS El T Local TF ALARMS O CHANNELS Pressure a CONVERSIONS ay EXPORT D Page_6 E commands Alert FALSI iH sapadoid ig Far Hab press F1 Screen Pos X 173 V 339 3 Right click on the new component and select Properties All of the screen components have different properties windows for configuring the look of the component and telling the component what data to display 4 Next to Caption enter Pressure The caption is what is displayed in front of your value A colon is autom
34. rming all the steps on your computer as you read through this tour To use this tour you will need a Modbus device ideally with an input and an analog output channel If you do not have to have any data acquisition hardware you can use the guided tour in the User s Manual which uses the test device Tour Overview Tour Assumptions Tour Assumptions 7 Tour Assumptions This guided tour and the rest of the DAQFactory manual assumes you are a reasonably experienced Windows user It also assumes that you have installed DAQFactory on your computer and are ready to use it Installation instructions are provided by the installer Tour Assumptions Tour Terminology Tour Terminology 9 Tour Terminology We recommend you read the section on DAQFactory objects in the User s Guide to get an overview of the terms used in this tour as well as the rest of this manual Click means left click Right Click means right click Double Click means two left clicks in rapid succession Tour Terminology Creating a Serial Ethernet Device Creating a Serial Ethernet Device 11 Creating a Serial Ethernet Device To connect to a Modbus device we need to create a DAQFactory serial or Ethernet device This is a combination of a serial or Ethernet port and a protocol in this case one of the flavors of Modbus This often corresponds to a physical piece of hardware however when
35. ron Zoo Righe to D ow JE F Tera wat Ausarcale Froe u Siy 1 n R Un Log Dari Gr dado Gd Corot Fight tou Rom U Naka Tick S o c ng 2 Kohat fo Niner Tick Spacing f Lergh Minor Ticks tn Thoth ST PALKON ETET ewa Grape Hapalrea bon X m 5 Li six i Ele Edt er Quck Anaise Dabug Layou ods window Help D l Ba eh 6 2 l f worepace ax CONNECTIONS a E 7 Local TF ALARMS BQ CHANNELS Pressure Ma CONVERSIONS Cik EXPORT LOGGING i PID SEQUENCES Ew lt CHANNELS 5 0 PAGES O Psge_0 O Paget D Page_2 O Pagea O Page_4 2 A D Page 5 A zay PR i TAV CIA OL AMMEN EMR RRM RARE H D Page 6 O Page 7 xl eH eos E command alert For Hab press F1 Screen Pos X 33L V 321 ALERT J SAFE a Now we ll try another method to scale the graph 7 Open the graph properties box again and go to the Traces page Change the Y Expression to Pressure 10 and hit OK Like the other screen components the expressions in graphs can be calculations as well as simple channels In this case we are multiplying each of the values of Pressure s history by 10 and plotting them 8 Deselect the graph by clicking on the page outside of the graph The shaded rectangle should disappear Next right click on the graph and select AutoScale Y Axis The graph component has two
36. s N E commands Alert FL For Hab press F1 Screen Pos x 298 V 230 Jest Fare For more information on graphs and the many ways you can display your data in graph form go to the chapter 2011 AzeoTech Inc Graphing Trending the Data entitled Graphing and Trending in the User s Guide 33 Graphing Trending the Data Controlling an Output Controlling an Output 35 Controlling an Output When we added channels we created both an input channel which we ve been using to demonstrate the various screen controls and an output channel Now we Il see how to use control that output channel 1 Click on Page Oto go to our first page 2 Right click and select Displays Variable Value to create another variable value component 3 Right click on the new component and select Properties to open the properties window 4 For the expression enter out 0 Feel free to set the caption as well Like before this will simply display the most recent value of the out channel 5 Click on Action tab This tab exists on several different components including the static ones and works the same way with all of them 6 From the Action drop down select Set To There are many different options for the Action described in the DAQFactory manual The Set To action will prompt the user for a new value when the component is clicked 7 Next go to Action Channel
37. select End Logging Set to stop logging There are other ways to start and stop logging sets including the action page of some components such as the variable value component that we used earlier 9 Now start Excel or Notepad and open the file c DAQFactory mylogfile csv You will see two columns time and data By default the time is given in Excel Access format which is decimal days since 1900 You can also have DAQFactory log in its standard format of seconds since 1970 If you are using Excel and logging the time in Excel format you can format the first column as date time and the numbers displayed will be properly displayed as date and time Hint if you cannot find the mylogfile csv file check to make sure that you selected Pressure to log and not Out Since Out is an output channel it only gets new values to log when you actually set it to something You have now acquired displayed and logged your data The last step is to view your data on the web from a browser Read on For more information on logging including the various file formats you can use please see the chapter entitled Data Logging and Exporting in the User s Guide Logging Data Viewing Data on the Web Viewing Data on the Web 41 Viewing Data on the Web Once you have DAQFactory taking some data you can also view it on the web in a browser using the DAQConnect service To do this we ll create a free DAQConnect account setup o
38. ur Pressure channel to send its measurements to DAQConnect and create some screens in a browser DAQConnect allows you to view data live from a web browser and optionally do remote control without having to worry about firewall or router settings static IPs or any other IT issues You also do not need to have your own website just a DAQConnect account You can create screens in DAQConnect directly in your browser using drag and drop controls and can view these screens from anywhere even your iPhone iPad or other mobile device 1 Click on Real time Web gt Connect from the main menu This will popup a window that allows you to create a DAQConnect account and create or select a DAQConnect data source to send your data to A data source is a collection of channels typically from one location within your DAQConnect account You can have multiple data sources within your account if you have multiple locations or you otherwise want to separate your data into groups DAG V Connect Connect to DAQConnect Intro Login Create Account Create link Done Welcome to DAQConnect This application supports real time web access using DAQConnect With DAQConnect you will be able to view your data and optionally control outputs from the Internet without having to make any firewall changes get a static IP or otherwise expose your network to Internet security risks You can create your own custom pages for viewing the data in real time us
39. we will just create an output channel and control it manually from a page component 1 Click on CHANNELS in the workspace to go back to the channel table 2 Click on Add to create a new row in the table 3 In the new row name the channel out Enter the same D you used for Pressure then select one of the output I O types Force Coil or one of the Set Register types and enter the Modbus register address for the desired output Leave the rest in their defaults 4 Click on Apply to save your changes The output channel has been created but it hasn t been set to anything We ll see how to do that in a bit DAQFactory Untitled ADI x i Ele Edt Yer Quck Anahiss Dabug Layou gocs Yindow Help oad j me SG 2 HOR Channel Table Viaw Workspace a x add Duitse __Delete Emot _ impot egg P35 Covert LE TF ALARMS CHANNELS Pressure Ni CONVERSIONS H EXPORT LOGGING ic PID SEQUENCES H Pressure 100 Q00 Nome BIOL zo i E command Alert Fal For Hab press F1 Screen Pos X 433 V 64 You are now taking data In the next section we ll display it on our own custom screens 2011 AzeoTech Inc Displaying some Data 24 Modbus Guided Tour Displaying some Data The Channel View certainly provides a quick look at your data but is not the most convenient or flexible way to display your data es
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