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Found 393 results

  1. PC send data to PLC

    Hello, i'm newbie for plc. i want to ask about PC/computer send data to PLC CP1E with serial communication (RS232). my wiring cable is: PC                         PLC 2                             2 3                             3 5                             9 4&6    7&8                               4&5 and if i send data from PC to PLC, my indicator in COMM is blinking. i think the cable have no problem. but if i send data from PC to PLC, the memory is not same as what i send and whatever i send data, the memory didn't change. i will attach my ladder diagram. what should i do?    New folder.rar
  2. i am new in indusoft web studio. i am facing a problem about communication of indusoft with plc.   i am communicating with plc through fx2n-422-bd card.   can some one guide me the steps of communication.  he/she will be a life saver.. as i am  in a deep trouble
  3. 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
  4. Hello. Anyone ever seen a button disappear on an hmi. This button is to unlock set values to be adjusted. All I done was restart the panel and it will not show up now. A little lock shows up where the button would he
  5. Hello every one. I have three FX3U plc needed to be communicate over a wireless network. I'm using serial adapter FX3U-485ADP. I got E-byte data trans reciver E-30 for wireless communication. Now need help to setup the whole thing. Previously the PLC's serial connectors were connected through a flexible bus but when the platforms are running fast there is interruption in the  communication. So we want those PLC's to be connected over wifi.  Thanks in Advance 
  6. Anyone know any free libary to communication with FX3u-enet-adp, please help me ? Note: I've used mx Component , it work very well but it is too expensive and I dont even know it can work in windows server 2012/2016 or not.  one more question, Is there otherway to make program run in other computer without install mx compoment, it is very huge to install in every client computer Thank for reading and sorry for my bad english  
  7. 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?
  8. Here is a link to a thread on a recent post showing how to communicate serially to an Omron PLC using VB.Net. This uses the Omron Host Link serial protocols. (C-Mode Commands) It will read 10 DM registers and display them on the form.   http://accautomation.ca/implementing-the-omron-host-link-protocol-vb-net/ Here is the source program that can be downloaded. Other links: VB6 Program: http://accautomation.ca/how-to-implement-the-omron-plc-host-link-protocol/ VBA Program: http://accautomation.ca/how-to-implement-the-omron-host-link-protocol-part-2-vba/ Regards, Garry www.accautomation.ca
  9. PC-PLC CP1E - USB-to-SERIAL cable

    Hi,   I have a self-bought usb-serial cable converter for CP1E. Currently can't connect to my PLC using PC. CX-One says "Failed to the PLC". I am supposedly to use "SYSMAC WAY" as my Network Type in PLC settings?   EDIT: The CPU type is N30   I've checked the following settings: 1) COM number is correct ( as checked from windows Device Manager side) 2) Cable driver is installed, there is no "unknown" driver in my windows Device Manager 3) My RS232C LED in PLC is not lighted up.   Any other suggestions to check settings ive missed out would help, other than buying a new cable for the moment.   Regards, Summerstone
  10. 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.
  11. I have multiple PVP 1500's on the same network. From the one in my control room i need to be able to see what user is logged into what HMI. How would I address the system tag of another HMI on the same network would I use the IP address? thank you for any help in advance
  12. 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.
  13. NX-105 Received Data

    Hello,  PLC: NX1P  Comm module: NX-CIF105   I am running a serial (RS485) network to control several motors. As a trigger for to read the serial port I am using the ( Ch1 Receive Data Exist) bit, which is an internal bit that's ideally should be energized when there's data in the Receive buffer. However, this bit isn't reliable at all. I am reaching out today to figure out if there's another way to trigger the receive command ( preferably without a delay)    thank you all  Cheers! 
  14. 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! 
  15. 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] https://electrobit.ee/web/file_bank/Manuals/operaatorpaneelid/mitsubishi/GOT2000/GOT2000-connection-manual-ENG.pdf
  16. 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
  17. 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!
  18. 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
  19. 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?
  20. 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. 
  21. 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.   
  22. 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
  23. 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.    
  24. 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.
  25. Using Rotary Encoder

    Hello dear, may i need some help .. I want to use a rotary encoder for my CJ2M CPU32 , but i don't know what anything must i prepare for it. such as type slot for plc and what kind program for read pulse from rotary encoder ... Thanks before