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  1. Doubts on Stack instruction

    Robror posted a topic in CX-Programmer

    Hi there! I recently discovered this forum and I find it pretty useful for sharing and learning about PLCs. The thing is I'm trying to make a Stack using the SSET(630) instruction in a CJ2M PLC. Reading Omron's W340 manual I saw that PLC memory address for the different stack channels is represented as "00010000" to "0001000F". So, in order to set the last stack word address as well as the pointer's address, how do you know those values? Or am I just misunderstanding something? Thanks in advance!   Edit: Solved, the definition of the stack was wrong!    

  2. RS2 instruction

    deny zaelani posted a topic in Mitsubishi

    Hello Expert,   I've problem regarding Instruction RS2. I can receive and send data, but my problem is each time I send data it will always add 0 at the back. I define array data for sending:    POU_01/DATA_SEND[0]    769       00000011 00000001    H0301    --    #0301    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2235    %MW0.2235        --   POU_01/DATA_SEND[1]    0            00000000 00000000    H0000   --    #0000    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2236    %MW0.2236        --   POU_01/DATA_SEND[2]    2560     00001010 00000000    H0A00    --   #0A00    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2237    %W0.2237        --   POU_01/DATA_SEND[3]   50637  11000101 11001101      HC5CD    --   #C5CD    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2238    %MW0.2238        --   Data receive on Serial Terminal : "01" "03" "00" "00" "00" "0A" "CD" "C5" "00"  ==> "00" last value I tried to figure out how can it get there ?   I already check for terminator character already set off. I use channel 2 using FX-485-ADP-MB. I set my serial D8420 ==> "0C81".      
  3. Hi everyone, I have an annoying fault on my Kinetix 5700 drive: M01-Safety Feedback. I know this fault is generated by  the SFX instruction in my Safety program that sets tag: "Axis.SFXFault" to 1. The problem is that the instruction is NOT in Fault (Fault code 1 = no fault). This error occurred after Safety encoder 843ES lost it's IP address. I used Bootp to set it gain. And reset the SFX instruction. I can see the encoder in studio 5000 rev 32.12 running and ok.  Does anyone encountered this problem? How can I clear the fault?   Thanks

  4. RS2 instruction

    deny zaelani posted a topic in Mitsubishi

    Hello Expert,   I've problem regarding Instruction RS2. I can receive and send data, but my problem is each time I send data it will always add 0 at the back. I define array data for sending:    POU_01/DATA_SEND[0]    769       00000011 00000001    H0301    --    #0301    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2235    %MW0.2235        --   POU_01/DATA_SEND[1]    0            00000000 00000000    H0000   --    #0000    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2236    %MW0.2236        --   POU_01/DATA_SEND[2]    2560     00001010 00000000    H0A00    --   #0A00    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2237    %W0.2237        --   POU_01/DATA_SEND[3]   50637  11000101 11001101      HC5CD    --   #C5CD    --    Word[Unsigned]/Bit String[16-bit]    VAR    D2238    %MW0.2238        --   Data receive on Serial Terminal : "01" "03" "00" "00" "00" "0A" "CD" "C5" "00"  ==> "00" last value I tried to figure out how can it get there ?   I already check for terminator character already set off. I use channel 2 using FX-485-ADP-MB. I set my serial D8420 ==> "0C81".      
  5. This is hard work! I've installed the CODESYS OPC Server V3 in the hope of using it to communicate with my Schneider PacDrive LMC. Apparently the PLC doesn't support OPC tag browsing so I need to export the symbols from the SoMachine Motion project file in a format that the OPC server can use. I've got the Symbol Configuration panel open and can see the symbol tree. What do I do next?
  6. Hany any you of guys dealt with MDS instruction not completing and being stuck on .EN bit but the motor itself just stopped running out of nowhere? I did read the tech note on this on Rockwell's website. Am mostly wondering if any of you have dealt with this and what you did to fix this.
  7. Hello everyone, I have a Kinetix 6000 CIP drive (unwind) and I need to control its speed by a PID controller. I have everything working except the MCD instruction doesn't pick up on the PID output value change. It changes the JOG speed, which I use to control the unwind, if I set the speed manually, which is slow. The PID changes the speed almost continuously. Any suggestions are welcome. This is how I'm attempting to control the speed: A1_r_JogSpeed = PID output value   Thank you    
  8. Hi all, I am studying how to control servo with PLC Mitsubishi Q-series. When I click Servo_parameter in Simple motion module setting tool, this annoucement appears.  Does anyone know why it appears? I tried reinstalling MR-configurator 2 but it didn't help. Please give me some advices. Thank you all!
  9. A little background information here, I am trying to create a moving average so I accomplished it with the code (imaged attached) The problem i am having is the AVE instruction error bit goes true. it leaved me with a result of 1.#QAN  I did some googling and it said this is typically done when dividing by zero?? so i added a NEQ to 0 prior to loading the array. then it happened again. so i put the error bit in front of the FFL so it will stop loading the array when i get the error bit so i can see what values are in the array when it errors out. Has anyone else had this issue and what could you do to resolve it? I haven't had any luck find something that points me in the right direction. Thanks in advance for your help.
  10. Hi Every one, I have two 2198-P070 bus power supplies for that I’m using for four Kinetix drives, 2 drives per power supply, all controlled by one processor (5069-L350ERMS2). I have an enable contactor setup for each power supply for each set of drives. I have them configured as DC bus groups 1 and 2 respectively. I had the first set of drives working, setup inside the motion group, with no issues. When I added the second power supply and drives. I found that when I added them to the motion group I couldn’t get the enable contactor to close for the first set of drives. I f I took them out of the motion group and made them ungrouped then the first contactor would close but then I couldn’t get the contactor on the second set to close. Do you have any thoughts as to what I might be missing to get these to work? See the screen shots for more detail. Let me know what you think.  Also, I have heard that only one motion group is allowed per PLC, but my question is : Can I use  sevral axes and Power units in the same motion group? 
  11. I am desperately trying to understand the OMRON way of programming (28 yr. AB programmer) when it comes to Motion Control.  I am pouring over example programs and what I can understand in Omron manuals.....  What I cannot find is where you get all the bit level information from for individual axis....  For example, just a simple bit signaling a Servo Fault; I have a program that I have been studying and there is a bit with the variable MC_NailPunch_Station.MFaultLvl.Active, it obviously comes from the Axis "MC_NailPunch_Station", but I cannot find the reset of that variable anywhere in the program, in any setup....nothing. Is there a list somewhere of things like this I can use in my program for status bits etc.?   Thanks,
  12. I am controlling the powerflex 527 drive with MSO instruction, first setting the drive on and then running the motor with MAJ instruction. After MSO instruction, motor is rotating about 2 sec and then stops to wait the  MAJ. I have not find any solution for this. My configuration is frequency control, no feedback, sensorless. One hint i found from the rockwell pages but it did not help me. Rated slip speed is set to zero.  
  13. Hello everybody,   I have the following situation:   I use the MAM function to move a servo axis; It also moves and stops  correctly when the condition before turns flase. The result is actually good, except that sometimes a readjustment takes place (but only disturbs as I said sometimes). I have been sitting in front but didn't notice anything, only the Operator meant that this happens sometimes   Now I would like to know how this can be stopped. Thank you   What information do you Need to help me further
  14. Hello everybody,   I have the following situation:   I use the MAM function to move a servo axis; It also moves and stops  correctly when the condition before turns flase. The result is actually good, except that sometimes a readjustment takes place (but only disturbs as I said sometimes). I have been sitting in front but didn't notice anything, only the Operator meant that this happens sometimes   Now I would like to know how this can be stopped. Thank you   What information do you Need to help me further
  15. Hi all. I have a Kinetix 350 and an AB TLY servo motor. I'm using the drive's STO function. AC power is supplied into the drive, passing through an "M1" contactor. It makes sense to m e to keep that contactor open, preventing AC power to the drive, until the drive is fully awake.  Is that what you guys do? Someone suggested to me in another forum ( http://www.plctalk.net/qanda/showthread.php?t=121021&highlight=drive+awake ) that there is no reason not to supply power to the drive right away because the STO function is inhibiting power to the motor anyway. 
  16. Bonjour, Hello, I use a l33erm automaton and a Kinetix servo motor . This servo motor drives an engine with a chain moving in steps of 100 millimetres (there are 15 steps on the chain ) At each top of a cell this motor advances by 100 millimetre. in reality it advances from about 0 to about 100. Sometimes it is 100,002 times to 99,997 (this is important further) and when I give it a top it goes back to about 100 (100,003 times to 99,996) And so on and so forth up to no problem, I use a MAM with an absolute type of movement. It works.     However, this does not work any more after a rearmament following an emergency shutdown. if it is a 100,002 no problem at the next top the chain advances one step But when the engine is shut down at 99,997 and I give it the order to go to 100 it advances only by 0,003.  This only happens after an emergency stop (or door opening). Thank you for the help you can give me excuse my English this is a machine translation Un séjour sans faille
  17. Hello,, I have motion controller A series A172SHCPUN,, I have written the program ladder into the CPU, but I can't write the motion program.. i dont have the program to open file the program motion and I want to ask if I have the software SW3RNC-GSVE, my os computer is window XP, Can it be installed? and is the cable transfer used the same as the ladder transfer program cable (SC09)?

  18. MITSUBISHI FX3UC

    imshkt posted a topic in Mitsubishi

    HEY, I'm kinda working on my own label machine and i am stuck on deriving its speed. I have already set the interrupt and acceleration parameters. but the problem i am facing is that i can't understand the ddvit's output pulse and output frequency relation to speed. If you guys know something, please do help. thank you,
  19. Hello, I have an interesting problem that no one in our company can really answer for me.  We are using Drive Logix with a powerflex 700S phase 2 drive and controlling a machine that rotates 360 degrees, sits for a moment, then return back to zero degrees.  We are using the MAM instruction to tell the drive to run the motor to its desired degree.  The problem we seem to face, is when they change jobs, the weight changes and we have to adjust speeds in order to get the machine to rotate back up to 360 degrees.  Otherwise, the motor stops short.  It usually never faults or alarms, it just stops short.  For example, they might run it and it will stop at 240 degrees or 315 degrees rather than the 360.  My question is, why doesn't the drive continue to push the motor to 360 degrees?  Why wouldn't the drive fault out on something like over current?  It seems that it just stalls and stops.  Sometimes, the machine will be running great, but on occasion (1 or 2 times a shift), the machine will stop short again.  I am curious what causes this and how I might be able to fix this to force the drive to continue to try and get to that desired degree. Thank you for any help or input!
  20. hello everyone,,,, I want to running the motor in 100 rpm but how to setting electronic gear to control speed in servo motor HG-SR502,, does anyone know how?

  21. Pls help set up QD75P4N

    Choi07 posted a topic in Mitsubishi

    Good day sirs,  i am a newbie at this motion controller setting. I would kindly like to ask for an assistance from all of you. i copied all the necessary data that i have on this project. I installed the wiring correctly i am able to Jog the servo motor. But when i try to Jog the motor Using GXWorks 2 i wasn't able to do so because its not showing any movement on the Mr J4 and the motor it self. is there any settings that i should have change? thank you for the time if you will need any information i am willing to give it thank you   I have also attached the GXworks program and the servo conifiguration   Please help me thank you project 1.gxw Servo 1.mrc2

  22. FFL problem

    ABlearner posted a topic in Allen Bradley / Rockwell Automation

    Hi Guys! I have a problem.  I have a leaser sensor, I already set the sampling frequency to 0,1 s. So 1 second I will get 10 data. I need to use the average of the datas. My problem is I dont know how can I solve that, after the 10. data every new data I have to  recount, the last 10 data's average. I think maybe I have to use the FFL instrucion or something like that. I need to solve this problem in ladder diagram. I use RS-logix 5000 software. Anyone can help me?  Unfortunatelly I havent the the software, so I cant show you what am I think.    Maybe the sliding window solution is the right, or is it not related to this? Im a bit confused.

  23. ZCP Instruction

    mr_electrician posted a topic in CX-Programmer

    Hi group! I am struggling to figure out what I am doing with the Limit instruction (ZCP 088).  I want to turn on a permissive if the compared word is between 1 and 12.  Rockwell makes this so much easier!!! It looks like my "=" instruction is not correct but this is how they show it in the manual???????    
  24. Hi my problem may have a simple solution but i cant work it out. I need to use the Divide function but it wont let me use a decimal point in either Source A or Source B. Is there a way to use a decimal point in Logix 500 Math instructions? Im using an AB Micrologix 1400 PLC. Can you only use math instructions with whole numbers? is there a way around this? Thanks James
  25. Hi my problem may have a simple solution but i cant work it out. I need to use the Divide function but it wont let me use a decimal point in either Source A or Source B. Is there a way to use a decimal point in Logix 500 Math instructions? Im using an AB Micrologix 1400 PLC. Can you only use math instructions with whole numbers? is there a way around this? Thanks James