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  1. Function block self-made

    Hi, i want to make a function block which will contain a block GP.CPRTCL (for predefined comm protocol). GP.CPRTCL has an input "Un" who only receives constant (H,K). On input of my own function block i can set a constant variable, but inside block that variable isn't a constant anymore (GP.CPRTCL doesn't recognize a variable). Is there a way for receiving constant variable in GP.CPRTCL block ("Un") if it is in another block. Regards
  2. I get this error even if the application is compact edition. Plz halp
  3. Hello. I'm trying to use index addressing inside function block.  The command *D200 doesn't work. Is it necessary to use IR0, ID0,... inside function block? Thanks. Best regards
  4. in Citect i use the following function to associate various Tags with the next popup window, in the previous versions the tags passed to the trend fine since upgrading to 7.4 the trend pens dont display but all the values display fine.  FUNCTION // function AssPIDPopup // Expand a full set of PID tags and open // the PID block supergenie AssPIDPopUp(STRING sSGenie,STRING sBasePIDTag)     AssVarTags(-2,0,sBasePIDTag + "_PV");      AssVarTags(-2,1,sBasePIDTag + "_SP");      AssVarTags(-2,2,sBasePIDTag + "_OP");      AssVarTags(-2,3,sBasePIDTag + "_MAN");      // Now the tags for the PID tuning SG     AssVarTags(-2,4,sBasePIDTag + "_KP");      AssVarTags(-2,5,sBasePIDTag + "_KI");      AssVarTags(-2,6,sBasePIDTag + "_KD");      AssPopUp(sSGenie);      END I added a button to run the following code FUNCTION Loadtrend()     TrnSetPen(19, 1,  AssInfoEx(1,0));     TrnSetPen(19, 2,  AssInfoEx(2,0));     TrnSetPen(19, 3,  AssInfoEx(3,0));     Prompt("Test");      END     when clicked the pens set to the trend fine, i tried to run the code from a function but it did not work. i am new to citect and am sure i am missing something stupid.
  5. There are a lot of instructions in function block that are missing the enable input that is present when programming in ladder logic, such as  ADD or MOV.  It seems to be very limiting. The only way around it that I know of is to write your own function block in ladder logic or statement list and use that. I seems rather limiting of a language if it relies on other languages for it to be usable. Does anyone know why the enable bit was left out in many function blocks when it is so useful in ladder logic? Pat
  6. I'm having trouble with some very basic programming using function blocks. Specifically Connect Components FB programming, but I think it is a general, common application. Using ladder logic, it is easy to set a value based on the status of a bit. If the bit is false, move a zero into the variable. If the bit is true, move and 88.0 into the value. This relies on the enable bit of the mov instruction in ladder logic. Many function block instructions do not have enable bits. How would I change the value of a variable based on the status of a bit using function block programming? A real world example: You have a two position selector switch. If it is turned to the left, the drive runs at 0 Hz. (off) if it is to the right, it runs at 88.0 Hz. Or if you have a 4 position selector and want to select between 4 speeds. This should be a simple task, right? I've called the tech connect support line a few times and sent them a few emails and they haven't been able to figure it out. This is such a basic task. Thanks, Pat
  7. How can I do a hardware 'factory reset' on a Q UDE CPU .... NOT using any software such as GX Developer or Works? I understand in the 'Write to PLC' menu it's possbile to Clear / Format / Arrange PLC memory - this isn't what I'm asking for. Under normal circumstances we routinely reload the PLC code / parameters / intelligent function data all remotely from our offices to our customers facilities and all works well. With the newer Q UDE CPUs it is possible to scan the network and effectively do a remote bare-metal recover to a new CPU. If the Q UDE CPU became unresponsive I would like to know how to reset the CPU back to factory defaults. In this scenario we would be asking local site electricians to carry out this reset procedure - after which we would reload the code remotely from the office. Documentation says power down CPU remove BAT for > 10 mins. I’ve powered down, left in STOP state and removed BAT for 16hours - then tested this morning – IP / program perfect and online immediately without battery connected. This retention is a wonderful feature – but if I want to deliberately do a hardware factory reset how do I do it ?
  8. Hi there I'm an embedded software engineer mostly programming C/C++ in Linux and have very little knowledge of the PLC environment.  Recently my attention was diverted towards integrating C/C++ (Linux software) into PLC and then presumably as a function block which is supported with something called PLCOpen. Is that right ? How is multithread support in PLC in general ? and/or with the these function blocks or what ever might become instead when integrating/porting C/C++ code into PLC.  The current situation is purely embedded Linux environment with open-source 3rd party userland that our code relies heavily on. How feasible is to port such environment over to PLC (given that the system supports it) ? I've been looking into B&R Automation Studio 4 and having a hard time to establish concrete feeling on how difficult/easy it is to port the code.  Hope anyone can give me a slight insight into this.  Kind regards Einar
  9. PAROCK1 for HMI/SCADA View File Now a software solution is available for your Modbus (MB) needs in Rockwell/Allen-Bradley Control Logix or Compact Logix (Clgx) family processors, instead of a traditional 3rd party hardware like Prosoft MVI-56, Molex SST-SR4-CLX-RLL etc.  It is an Add-on instruction (AOI) for PLC/PAC firmware v16 or later, (other solutions are available for pre v16 systems).  For hardware interface, use PLC’s channel 0 (serial) or TCP/IP Interface module(s) to have as many MB TCP/IP devices or serial devices.  (Some limits apply based on system configurations, Comm. settings depending on HW used.) Connect any MB Client/Master or Server/Slave device(s) to your CLgx PLC, including flow computers, analyzers, VFDs, Power Monitors, Level gauges, Smart I/O, etc.  All the MB public/native function codes are supported.  32-Bit integers/floats as single entity are supported with byte and word level swapping. A separate utility automates the data mapping to your PLC logic.  Features -Serial Master (BASIC required Option); TCP; Slave; Redundancy; More than 5000 accumulative registers; MB CFC (Custom/Private Function Code) Support; Data mapping too – Between PAROCK1 & your PLC logic; Packaged with Rockwell; TCP/IP Interface Module; Volume Discounts; Annual Support Requirements -Rockwell/AB-CLgx processor with v16 or later.  Contact PCI for earlier versions. -If using CPU’s Chan0, you cannot use Chan0 for any other user mode activity. You can use it for non-user mode activities -TCP/IP Interface Modules from Rockwell/AB supported, are: -1756-EN2xx ControlLogix® Ethernet/IP communication modules, firmware revision 5.007 or later -1756-EWEB ControlLogix Ethernet/IP web server module, firmware revision 4.006 or later -1768-EWEB CompactLogix Ethernet/IP web server module, firmware revision 1.002 or later -1769-L30ER, 1769-L30ERM, 1769-L30ER-NSE, 1769-L33ER, 1769-L33ERM, and 1769-L36ERM CompactLogix controllers, firmware revision 20.011 or later -1769-L24ER-QB1B, 1769-L24ER-QBFC1B, 1769-L27ERM-QBFC1B CompactLogix controllers, firmware revision 20.011 or later -1769-L16ER, 1769-L18ER, 1769-L18ERM CompactLogix controllers, firmware revision 20.011 or later Other Related Services/Items -Custom PLC Add-on instructions building -PLC upgrades, troubleshooting, applications -PC Windows, iOS5, Linux, Mobile devices Comm. Drivers -Custom development, Technology Transfer Services  -Other Non-AB communication drivers for serial or TCP  -Full control system integration, training, architecture design This driver can be conviniently used with Visual Studio in development of complete large scale complex HMI/SCADA Systems. It can be used to perform advanced reporting MES, analytics, IoT, Big data type apps. One example is available to download here For More Info Overview of Parijat Drivers: Click here  Additional supporting Info about Parijat Drivers:Click here Complete Related Driver options: Click here     Submitter Scadadoctor Submitted 03/10/16 Category Other PLC Demo Software
  10. Hello, I am a student that has been taught ladder logic for three years( on many different plc's ) but, I would like to learn an alternative method is there any way to convert ladder into Function Block or some other type of programming in RS logic 5000 or any other controller? If not can some one explain the basics of Function Block programming.
  11. Dear All!!! Please tell me the way how can i delete recipe from Runtime. There are only save and restore options in the inbuild recipe function. I am using inbuild recipe function. Factory Talk View SE v8.0 (all the patches till date are installed) I have RSView32 VBA code but i am not able to use it in FTV SE Please help me with it!!! Private Sub Display_AnymationStart() Dim sRecipes As StringList Dim vRecipe As Variant On Error GoTo ErrHandler Set sRecipes = gProject.GetComponents("recipe;files") For Each vRecipe In sRecipes LstRecipeNames.AddItem vRecipe Next vRecipe ErrHandler: If Err.Number Then gActivity.Log Err.Description Err.Clear End If Set sRecipes = Nothing Set vEachRecipe = Nothing End Sub 'user selects the recipe name in the list box, and then presses delete button Private Sub cmdDeleteRcp_Click() On Error GoTo ErrHandler If LstRecipeNames.ListIndex = -1 Then MsgBox "Select a recipe to delete" Else 'delete the recipe file, and remove from the project gProject.DeleteComponent "Recipe;files", LstRecipeNames.Text 'remove the item from the listbox LstRecipeNames.RemoveItem LstRecipeNames.ListIndex End If ErrHandler: If Err.Number Then gActivity.Log Err.Description Err.Clear End If End Sub The bolded points are problem, Bypased the error handler , but please lemme know how can use use this commands in FTV SE, as VBA in SE is client based blah blah... gProject.DeleteComponent "Recipe;files", LstRecipeNames.Text
  12. Dear  Experts!!! I want to log each and every tag if its value changes from the SCADA. Please help me. Please be clear about all the things. I don't wan to write all the tags in the event server in deviation tab. Its a very long time taking process.   Is there any other way to do it efficiently.
  13. Weintek EMT3105P HMI

    Hello, I am using a Weintek EMT3105P HMI with a 1769-ERML33 AB Compactlogix PLC. I have had the equipment at the customer site up and running for 4 months now with no problem. Now have a problem with the recipe data base. All the formatting is correct, all the addressing is correct. All the items in the numeric input object properties are correct. However it has been converting the data entries for some cells in the recipe database to scientific notation and ignoring the format. I have a recipe input for the number of holes to drill, which writes from the numeric input object to the recipe for number of holes. It is formatted in the numeric input object properties as 3 digits to the left and 0 digits to the right of the decimal point. When I write to this, lets say the value of 2, the number that written to the recipe is 2.45655e40. I have done everything I know to fix this problem, delete, recreate, uninstall the software, the data base and all to no avail. I still have the same issue. If anyone out there has any ideas or experience with this I would appreciate hearing from you. Thanks in advance. Oldnerd
  14. Siemens S7-1500 and SICK

    Hello all, Let me start by saying that although I have been working with PLCs for 20+ years I am very (as in brand) new to the Siemens world (my wheelhouse is AB). That being said I have a Siemens S7-1500 (1511 specifically) CPU with a couple of SICK multi-turn Profi-Net encoders (AFM60A-S4NB018x12) that I need to talk to. - I am using TIA v13 with all of the updates. - I have the GSD file from SICK for the encoder. - I have no clue what I am doing - I can see the encoder values update in the watch table as I move the encoder. All fine and dandy so far... Here's where the white flag is going up.... - I am of the belief that there are existing function blocks out there 'somewhere' that can read and write to the base parameters. I have contacted our local rep who deferred me to SICK. I have emailed and left messages with them and have not gotten a return anything thus far. Here's our application... We are attaching each encoder to its own rotary gear mechanism. The rotary will need to turn in the CW direction approximately 400 degrees then return to its start point by rotating in the CCW direction by the same amount. If/When production/maintenance needs to 'rehome' the assembly, the expectation is that they 'pin' the drive in a known location then a bit would be set within the CPU that would assign a specific value to the encoder's actual position. In the SICK manual (8015078/YIX6/2015-01-16) on page 31 (section 3.6.3) there is reference to Preset control. This is what I believe we need to perform the aforementioned function. Does anyone have any examples that they could share on how to read/write to these encoders by use of a Function Block or other? Relatively desperate for help at this point. Can post test code if need be. Thank you in advance, TLAF
  15. Dear friends. I faced one problem of recipe working. Could somebody help me? I try to create recipe and use it in my program. Fisrt of all I decided to learn how it working and for this I used documentation NB-Designer Operation Manual. I created my test program, but it doesn't work as I need. Bellow I want to describe, what I need: I want to have 5 program with 4 parameters and download these program with parameters inside to the PLC. In attachment you can see my program. test.zip
  16. Hi!!! Could anyone please tell me how can i make my recipe function working having : 1. SQL database linkage 2. VBA programme 3. Without making new recipe tags (want to use actual plc tags only, no new recipe tags) I am new to factory talk so please tell me from the scratch. It would be highly appreciable. Thank You.
  17. Hi!!! Could anyone tell me how can i log a single single event happening in Scada like login/logout, any tag changes value, operator input etc. I don't have any historian. 1. without making event list of every tag in development 2. using VBA 3. with the help of SQL It would be highly appreciable. Thank You.
  18. Hello, I tried to download a .mer file. I have never seen this error before and how to fix this error. This is what I found from panel view plus compact manual. "Error: Unable to load non-Compact Machine Edition application. Please load a compact Machine Edition application." How do I load a compact machine edition application?? I attached a picture of the error I took. Thanks for reading :)
  19. Hello! I am programming with FT view studio version 8. In the program, when I make numeric display, I can not input values for this tag I am using in the display. Then I decided to make 'invisible button' for enabling the input for this tag which is shown in the numeric display. This is okey for me, only if there is other ways to do this please tell me. Now when I have created this numeric display with input enabling -'group', I have a problem, how can I use security levels for this group, so that only logging in values can be set? I have found that there is security code selection for this in the screen displays, but not for the buttons.
  20. I am very new to PLC's, I work in a power plant and we have an ABB DCS. We have some vendors that use PLC's and they try to make them work with our system. Currently I am working on a project were I am trying to add 8 analog outputs to the PLC. I am working with two 1756-L71 controllers (redundant) and the rev for the program that was written 20.01. Basically I have 8 analog inputs that I want to bring to the spare analog outputs that I have. I want to see these inputs in our DCS. I wrote simple logic that at the end of the rung has a move block moving the source which is the input and taking it to the destination which I made an alias tag for the output channel that would correspond. Problem is I can see the source number moving, but the destination number stays at 0. I can type a number into the destination and it will work. I can see my 4-20 signal I am sending out in the DCS. Everything before the move function is true, I have and open contact, and a closed contact and they both are green. This is happening on all eight of my outputs that I am working on. Please help I have learned a lot from this experience but I cannot figure out what has me stuck this time.
  21. Hey All, I am trying to do some data storing on a PanelView+ and the built in data logging doesn't quite fit my needs. I was looking into the possibility of creating my own ActiveX control for doing this. Is it possible to create custom ActiveX controls for Factory Talk? If so, are there any tutorials for doing so you recommend? Also, are there any sites that have custom ActiveX controls to download? I realize this may not be the easiest thing to do, but if I could create my own I could use it for various machines and would make things a lot simpler in the long run. Thanks
  22. Version

    1453 downloads

    This is a quick bit of code to show how a recipe function might be written if one were to do it in the PLC rather than the HMI. This is the basic building blocks with which a program could begin to be written. The BSET instruction combined with the indirect addressing method demonstrated would allow for a delete function. Copy and other functionality could be added using similar concepts.
  23. File Name: Recipe Sample Code - Ladder program with supporting NB project File Submitter: Michael Walsh File Submitted: 31 Mar 2015 File Category: PLC Sample Code This is a quick bit of code to show how a recipe function might be written if one were to do it in the PLC rather than the HMI. This is the basic building blocks with which a program could begin to be written. The BSET instruction combined with the indirect addressing method demonstrated would allow for a delete function. Copy and other functionality could be added using similar concepts. Click here to download this file
  24. In my program, I have about 100 rungs for 100 faults. Each rung looks very similar. I thought I could make the code more maintainable by using function blocks, to avoid having to change each rung individually (if I needed to). Would it be best practice to create a new instance for each fault, or to reuse the same instance for each fault? I come from a C and java background, so I am confused as to whether a function block is supposed to be like a function (in C), or supposed to be like a class (in Java), or neither...
  25. Let me set the scene. I am inside my function block. I would like move an internal integer into an integer that belongs to my program symbol table. I would like to do it inside the function block, so that the function block is self contained. i.e. it does not need any extra inputs/outputs in the function block call. Is this possible? If I was writing this in Object Oriented code, I would just write this within my method: myGlobalVariable = myLocalInteger; and that would be that...