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  1. i am using a VSD Altivar71 and controlling it through serial MODBUS communication, the probllem is sometimes after stoping the motor the drives gives the "nst" fault which means according to the programming catalouge "freewheel stop" it doesn't do that all the time but it happens a lot and after uploading the code again to plc the problem is gone for a while before it happens again. i am sure that the fault is happening because if communication because when i controll the drive from hmi it never gives that fault, i checked the setting and tried different cables but it still gives "nst" and motor never moves, i found that in catalouge but i am not sure how to address the problem.
  2. CP1E-N30DT with Hyperterminal PC

    Dear Expert, i'm issue to do communication CP1E with PC via RS232. im try to use plc for sending information and receive by hyperterminal pc. after googling some information there have multiway to success. by the way until now cannot settle. please expert share completed setup that's work: 1. communication cable from PLC - PC (my information use pin (2,3,9 jumper 4&5) - (2,3,5 jumper 7&8) 2. sample program that works (im using TXD & RXD with memory D1000 to keep data) 3. connection cable to PC using MOXA Serial to USB converter. 4. plc serial setting (default: 9600,7,N,1,Host link) my target to give instruction to printer to start print. printer need ACSII code. if this communication success i'm will convert all data to ACSII by ACSII convert function.   thanks,
  3. There have been many good discussions on the applicability of cloud-based solutions for manufacturing and process control systems. On one side, some people have concerns regarding security and control of the information, on the other side, there are identified benefits enabled by cloud systems. From VMS minicomputers to DOS and Windows, from ArcNet to Ethernet, it is inevitable the industrial automation systems shall adopt the technologies that are getting predominant in IT general use; the current environment that I am calling the “Cloud-iPad era” is no different; therefore the practical discussion is not if those new technologies will be applied in the industrial environment, but how. This paper is not intended to join the conceptual discussion about the cloud, but just to present a few simple practical examples, where cloud technologies are already enhancing industrial automation solutions and enabling new business opportunities. CloudPracticalApplications.pdf
  4. I am using NB Designer for last one year without problems. But from last week i am getting new error Background PLC control recorder 0 error! while compiling and not able to update the HMI. Please help.
  5. Hi everyone, I just want to layout the structure of the question. I have a GOT2000 (GT27* series) that I have hooked up and communicating with an Allen-Bradley PLC. I have established connection and can pull out certain tags values from the PLC program in RSLogix 5000. While I can read the tag values, I cannot modify them (in certain conditions).  So let say that I have a User-Defined Structure named "Smoke_Detector" and here are it's available members: Smoke_Detector:   - ALARM (BOOL)   - ON_TIME (DINT) * DINT in Allen-Bradley but Signed Binary 32   - Battery_Life (REAL)  My question is that while I can read and display the tag and its members through the following:   - LAMP for Smoke_Detector.ALARM   - Numerical Display for both Smoke_Detector.ON_TIME and Smoke_Detector.Battery_Life But when I tried to modify the values via a Bit Switch or Numerical Input, it does not operate on them.  However, if these tags are members are just standalone tags, meaning that they are not within a UDT in RSLogix 5000, then I can operate/ modify them just fine.  Here are the things that I have tried: * Making sure that the permission are set to Read/ Write in RSLogix 5000 * Making sure that the tag definition in GT Designer 3 follows the structure where @[channel]:[Network #]:[Station #]::[Tag instance and member (e.g Smoke_detector is the instance and Alarm is member] Any possible insight and input are appreciate! 
  6. I am starting my own consulting business, so put my experience and technical know-how to work and ensure the success of your process control projects.  No project is too small!  I hold a Bachelor’s of Science in Electrical Engineering from The University of Arkansas, and obtained an Arkansas PE license in 2014.  After working for a Generation and Transmission company as a power plant controls engineer, I have decided to put my skills and experience to work as an independent consultant.  My SCADA/HMI experience includes GE’s Proficy Cimplicity software, and Rockwell Automation FactoryTalk View SE.  I also have experience programming controllers using GE’s Proficy Machine Edition, Rockwell Automation Studio 5000 and RS Logix, and Emerson Delta V. Check out my LinkedIn profile at for more details regarding my experience and past projects. Contact me through these forums, LinkedIn, or via email at any time for more information on my services or availability.
  7. Hi all !    I need a help about connection between mitsubishi GOT Simple series (gs2110) to kawasaki robot via crossed ethernet cable on tcp/ip protocol. I actually have a fx3g for main unit of my project, and also i have a kawasaki robot for slave unit. My purpose is basically to control both with HMI. I used RS422 between plc and got gs2112 and I want to use a crossed ethernet cable between robot and got but i did not communicate with ethernet even between pc and got. There is a manuel which I found on internet about GOT2000  Connection Manual (Microcomputers, MODBUS/Fieldbus Products, Peripherals) I think i need to work on  microcomputer connection (ethernet) subject, what do you think about that ? I need all advices and ideas which come from you.   [ROBOT]--------Ethernet--------[HMI]--------RS422--------[PLC]
  8. Hello, I am quite a newbie in PLC programming. I am trying to add a PID control function into a ladder program of FX3U PLC that was made by the person before me who used GX developer. I have read the manual, but still not sure if I understand it correctly or not. Please help me with questions below: 1. For parameters [S3]+1, how do I set the bit value? My understanding is that I need to align the bits I want, and then convert to Decimal number to set it, is this correct? i.e. If I need bit to be 0100001, do I set the parameter to 33? 2. How do I know if I am doing backward or forward operation? I think what I am doing is feedback control loop, does this mean it is a backward operation? 3. If I set auto tuning bit (parameter [S3]+1 bit#4) to 1, will this make the the program to run auto tune everytime I start the PID? 4. For parameter [S3]+22, [S3]+23 and [S3]+24, the manual said it will be occupied. Does this mean it will be preset by the program which I shouldn't mess with them? But how do I set the output upper and lower limit in [S3]+22 and [S3]+23? Also, I couldn't find any example of PID parameter setting in the manual. Not sure if I missed any important section in the manual. So please point out to me if there is any example. I also attached the manual on the PID page just for a quick reference. Thank you in advance for the help. FX3U Programming PID.pdf
  9. Hello All, What are the methods to get the monitoring data from A series PLC? I know its not supported any more, interface modules are not available...,    So the basically,   If I want to write customer software (may be embedded) what is the protocol I need to follow? I am connected to CPU unit by the way, there is no other modules except few digital and analog interfaces on PLC. Thank you in advance for your direction, direction in any way would help!
  10. MNET to OMNI

    Good morning all, does anyone have any experience communicating to an OMNI Flow Computer through a MNET card, Im getting data back but it is not what i expected.  Should I be using Enron/Daniels? Byte Swapping? Thanks
  11. Hi,  I'm new to TwinCAT 2 and i'm upgrading a long time design (hence the TwinCAT 2 reference), to read a more sensitive torque signal.  I'm using a Beckhoff CX1030 as my PLC Controller.  I needed to add 'homing' to my motor sequence and confirmed with Maxon, im using the function blocks correctly and in the correct sequence to establish my 'absolute zero'/'home' position.  The motor has an output to write to:  ControlWord, which tells the motor that the position it is sitting in is '0.'  My program compiles, it runs, it writes each function block, but it's not seeming to get back to the test run opMode, even though i tell it to and the function block performs the 'Write' function.  it's stuck at zero and not reading an analog input signal from my torque sensor.  so im getting an artificial torque reading through every test.   i think this is related to my tare motion.  I start the program, home the motor, get into profile velocity mode, tare my sensor, enter profile position mode, go back to position 0, then back to profile velocity mode, run a test, sample data, go back to 'home' or '0.'  I wonder 1st, is my variable not linked properly through the system manager?  2nd, i set a boolean variable to set the 4th bit to 1 in my control word write (setting the 4th bit high will set my current position to absolute zero), but did i not connect the program to the main sequence properly?  looking to read a valid signal again and see that my motor moves back to 'home' each time.  Do i not need to home the motor after the tare, since the tare nulls out the torque value after the tare? after this i need to program my sample period, instead of it being fixed, as it is currently written and then use my home position as my trigger to start sampling.... Beckhoff applications department is overloaded, currently and can't help and this is all beyond the knowledge of the general support line.  I've gotten fairly far, on my own, but of course, the project is under a time crunch.   Does anyone know twincat well enough to help guide me?
  12. Hi guys,  I have been trying to sync up my RSLogix 5000 tag to GT Designer 3 (GTD3) objects but I noticed that GTD3 only recognize certain native data types from Allen Bradley Logix5572 Controller (Model 1756-L72).  In the documentation that I found, it show that certain AB Native Tags are transferable to GTD3 Data Type (See the attached file "AB Tags to GTD3 Tags" ) One of the User-Defined Data Type from the RSLogix 5000 that I am trying to sync to Text Display Object in GTD3 is called "UDT_MY_CLTR_INFO" here is it's hierarchy of inheritance from RSLogix 5000     Name                                                                     Force Mask                                                                                   Data Type MY_CLTR_INFO                                                     (...)                                                                                                 UDT_MY_CLTR_INFO      MY_CLTR_INFO.NAME                                                                                                                                           STRING           MY_CLTR_INFO.NAME.LENGTH                                                                                                                      DINT           MY_CLTR_INFO.NAME.DATA                                                                                                                           SINT[82]    In my exported tag which is a CSV file, it doesn't list the sub-classes MY_CLTR_INFO.NAME, MY_CLTR_INFO.NAME.LENGTH, and MY_CLTR_INFO.NAME.DATA, it would only list MY_CLTR_INFO.  How do I link up my "Text Display" Object in GTD3 with the tag "MY_CLTR_INFO.NAME" whose Data Type is STRING and GTD3 does not have a STRING Data Type?  I appreciate anyone that took their time to read my problem and any attempt to help me out. Thank you. 
  13. RS logix 5000 motion control

    Hi Guys! I have a problem with Motion axis move (MAM) command. There is an Allen bradley servo motor what is working well. But I need to add a new program section, wich is in  a specified moment, the axis should move a certain distance. I think I need to use the mam command, just I dont know how can I configure the motion control part. I need to make a new tag ? or what ? I need to use a user define ? PLS help me.   
  14. C200H communication issue

    Hi We got 2 laptops Laptop1 communicates with a CJ1M and a C200H PLC. No problem. Laptop 2 communicates only with  the CJ1M, Not with the C200H, Same program, same conditions. I also tried with "Direct online" but no succes How can I get laptop 2 also to communicate with the C200H? Thanks
  15. Hello,   I need to communicate a Datalogic Qw2120 ( with a USB connector  )  to a Modicon M251, it has a RJ45 Serial, i don´t know where to start , can anyone please give me a hand ? I would appreciate it very much.    
  16. Hello,   I need to communicate a Datalogic Qw2120 ( with a USB connector  )  to a Modicon M251, it has a RJ45 Serial, i don´t know where to start , can anyone please give me a hand ? I would appreciate it very much.
  17. Dear all, i have using nexgenie 1000 cpu for my new project. but i am not able to connect with codesys v2.3 . I have installed target file T1.4 and T2.4. trie with both. Now i have doubt with communication cable. I have used standard RS232 Cable with 5and 8 Pin short. Kindly suggest the correct one. Thanks in advance
  18. Ethernet/ip to modbus rtu

  19. Hello Everyone I have a problem to connect FX5U with Inverter Mitsubishi D700. ( no  respond from inverter) . I did read and following the manual. Could any one can help me?
  20. Modbus/TCP PN communication

    Hello, I'm trying to make communication between a 315-2 PN/DP and MSA Gasgard XL. I want to read out 40010, and 40020 from GasGard, it works sometimes, but most of time the connection does'nt  build up.  The parameters i using are: Start address: 9 Lenght: 10 Recv_Time: 5s Conn_Time: 5S I did playing with Recv and Conn Time and it effected the rate of succesful connections, but it still drops too often. Also i tried to read only 9 and 19, but then it didn't read 19. Anyone knows how could i optimize the connection? Thanks  
  21. Hi PLC programmers, I got a problem regarding my installation of Logix Designer/Logix5K. Here's the situation... a) Initially installed Studio 5000 without problem. b) I needed to open a program from Logix v20.1, installed RSLogix5k v20.1. After installing v20.1, RSLogix was corrupted and won't open program. c) Reinstalled entire Logix Software. d) Was able to open and convert program from Logix5k v20.1 to Logix Designer v24 but this annoying error occured on v24 (See attached "EN2T")... "Failed to Create Module Profile". All of a sudden, the module (1756-EN2T) I created with working v24 is no longer usable. Now, even when I create a new project, add a module with "Select Module Type", the list of available modules has been trimmed down to what it normally has (see attached "AB_Modtype"). Kept on re-installing entire Logix 3 times, clearing the registry with CCleaner and even deleted installation folder for Rockwell software but the problem is never gone. I even downloaded AOP for EN2T and installed it but to no avail. Now I'm lost and dumbfounded that uninstalling and reinstalling isn't working. By the way the OS I'm using is "Windows 7 Enterprise". I appreciate all the help I could get. Thank you very much. Sincerely, Andrei K.
  22. CP1E RS232 communication to my weighing

    hello, i want to connect CP1E to EK300i (weighing scale) with RS232 communication. i attach file of datasheet ek300i, wiring CP1E to ek300i and my cx programmer. if i push send data on ek300i, com LED indicator in CP1E is on. and i dont know why my cx programmer can't change data of memory with data from ek300i? what should i do?   ek300i.pdf CP1E to EK300i rs232 communication (belum dicoba).cxp CP1E to EK300i rs232 communication (belum dicoba).opt wiring rs232 ek300i to CP1E (belum dicoba).txt
  23. Fx3ge to Fx3ge communication trough lan

    Hello, For my assignment, I need to control lights from 2 seperate locations. I have two FX3GE-24M plc's connected through a LAN network. The idea is that when input X004 gets high, relays Y000 to Y004 gets disabled. I'm trying to use the Fixed Buffer communication protocol.  Master IP address: Slave IP address: I'm using GX Works2 together with the FX configurator  I'm lost in all the different datasheets... Could someone point me to the direction on what settings i need to change using fx configurator and a basic program of communication?  Thanks in advance, Dennis
  24. We have a Injection Molding Machine from Mitsubishi with a A2US-S30 CPU. I would like to establish a communication of this PLC with a  PC. The CPU has a 25 Pin Dsub connector. How can I achieve this? This is an old machine and we don't have any manual for this PLC. Somehow I could find an instructions manual on the internet but this manual does not contain information regarding PC communication or supported communication modules.  I have never worked with this Mitsubishi A series PLC. Please suggest a way to start and share any manual which I could refer to. Thanks!
  25. Axis Attribute Error

    Hello All, First time working with PLC. Get the hang of it from stuff I researched. Having an issue with an axis setup for a servo motor.  When I try to do an auto tune it gives me an error that axis is not configured.  Source: Config Fault    Condition: MotorDeviceCode- INvalid attribute      ACtion: Immediate Stop Fault Entry: Type 8, code 9 subcode: 1314 stopaction: 4 Statechange: 3   I was wondering what am I doing wrong? Any leads or source information I can use to solve this.