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Found 270 results

  1. widadi

    does anyone can help how to connect plc fx2n-16mt with servo drive mr-j2s-40 and motor servo hc-kfs-43 ? please give me wiring schematic thanks a lot
  2. Hi , I need help in assigning Link refresh setting between PLCS ,B and W address exchange between QCPU s and  two DOPL module  connected in ring network configuration. We  have used qj71lp21-25 in 5 cpu station.    
  3. GX DEVELOPER

    I have a mitsubishi software programme in PCD file format and wanted to open the programme with GX Developer but couldnt open.  Any one with an idea, help please
  4. I want to control plc mitsubishi FX3U via FX-USB-AW, but when i send command RR (<ENQ>00FFRR0) by using terminal, plc FX3U always return 0x95 0x95 0x95 0x95. I setting parameter of plc like this topic: http://stackoverflow.com/questions/13807495/rs232-communication-protocol-mitsubishi-fx3g-plc Does anyone had experience with control plc via FX-USB-AW? please help me.
  5. Alpha2 Help?

    Hi Although I have used programming languages like basic and C for many years, I have recently tried to get to grips with programming (with the software (not direct)) the Alpha2 I have to admit that I am struggling! I have made a little progress since I worked out that you have to build almost everything at a very low level. But I still can not work out how you make variables that can be used in the program? For example : If condition A is true X = 10; But if condition A is false then X = 2. I have tried using the bit inputs on the math FBs to enable/disable values of X, but although this will initially alter the value , sending a 0 bit merely freezes the calculation and the value does not change. It seems like it should be such a simple thing to do? Is there a fundamental concept I am missing? Any help would be greatly appreciated
  6. Hello everyone, I am controlling a mitsubishi servo amplifier type MR-J4-20A-RJ with a Mitsubishi FX5U PLC. I am using DDRVI instruction to output the pulses to the amp with pulse/sign connection. Servo seems to work as requested, and cumulative pulses in MR configurator make sense. The problem: I can follow the output pulses and get a "position" from special register SD5502. If i understand it correct, the register sums the pulses output. If drive the servo to other direction, the register keeps adding up the value, not subtracting it. As i am new to mitsubishi, what would be the right way to get the position data? Is it possible to use the special registers for it, or should i just connect the servo to output the cumulative encoder pulses to PLC?   Thank you all for your time!
  7. Hi, I am not an advance user of PLC's but I can muddle my way around. I am currently reviewing a program written by another person and I will need to make some modifications. I have noted that on a M8002 pulse the Mitsubishi FX2N-8AD CH5 to CH8 -[To K0 K1 H3333 K1]-  are all set for a 4-20mA current input which is perfectly acceptable however on the same pulse is written -[TO K0 K22 K0 K1]-. I was hoping that someone could explain exactly what this is doing. I understand that the first K0 is the module number K22 is BFM#22 but I am not sure exactly what this is and I am a little confused by what is written in the manual. (8.2.7 BFM #22: Sets convenient functions: The functions described below are assigned to b0 to b3 of BFM #22. When a bit is set to ON, the assigned function becomes valid. When a bit is set to OFF, the assigned function becomes invalid..............) .Due to not knowing exactly what BFM #22 is doing I am unsure why the next K0 is used and the final K1 is to do this operation once? I apologise if this seems like a very basic question but I just can't seem to find any further detail online regarding BFM#22 that I can understand. Any help would be greatly appreciated. Thanks for your help. Paul.
  8. I an seeking guidance on how to link two mitsubishi PLC over Ethernet and have them pass bits/words between them.  PLC 1, Q03UDV built in port  ---- GXWorks 2 v1.54N   192.168.1.39  (QJ71 in slot 1 is also available if req'd) PLC2, Q02H with a QJ71 Ethernet card in slot 2.  Same GXworks2   192.168.1.35   I know with a modbus or CCLink setup, there is a place to declare the buffer > X/Y parameters, but i have found no such parameters for the ethernet connections. I found 1 document describing the JP.Send instructions but I have not been able to get that to work from the example.    any help would be greatly appreciated.     
  9. Mitsubishi Diagnostic

    Hello everyone. If anyone knows how an empty slot on base  is defined by "system monitor" service of GX Works which shown in attached picture? I think this information is read from any CPU register address(Maybe SD or SM and  etc. registers). But I don't know exactly which address is deploying an information about empty slot on base. Thanks.
  10. Error on Mitsubishi Servo Pak

    I have a Mitsubishi servo Pak #MR-J3-40B with an error 25 and 95 flashing. Could not find any help on the web or in the manual. Any help appreciated.
  11. Devicenet module

    Hi everyone  I have a question with the programming of the devicenet module (QJ71DN91) for mitsubishi i don't know how to update the eds files for the slaves, could anyone help me?
  12. promblem plc

    Hi , I started my plc about 5 years ago for plastic unit but now  When I turn them on, the correct screens appear on the HMI terminal, but no data is coming through from the PLC. After a few seconds, a pop-up appears sayingPLC No Response 00-00-0". Does anyone know the meaning of this message.Then I am on and off several times so that the device is turned on and working properly. I DON'T KNOW ?
  13. Hi guys, I'm having a problem on how to save the home position for omron servo driver. How does the servo driver know where the home position is after turning on? Btw, I am using Mitsubishi FX3u for my PLC
  14. Position Controller

    hi, im student im trying to make a position control with the misubishi serie of servos, i have 2 mr-j2s-20a and 1 fx2n-20gm i was reading the manual i didnt readed all yet, i wat to know if i can control the position with a fx2n plc and if someone can send me a example of a code using it. thx for your attention 
  15. I need to learn about position control for 2 axis with a QD75MH2 module. I know how the basics about programming with the Q Series PLC but I've never done any positioning control. I'm having a really hard time understanding the program I have to modify and I don't know where to start. Is there any course you might recommend? Even if I have to pay for it. Thanks.
  16. Hey guys, first post!  Friends at Practical Machinist sent me over here b/c we were stumped.   I have a Mitsubishi 500M control CNC machine.  There is a section of the ladders that i don't understand, and Mitsubishi couldn't help, and the OEM is defunct.  I do not have a hardcopy of the ladder circuits. I have an output , [Y13], that i can't get to turn on because of an internal relay | M453 |       see pic 1 When i searched for relay M453, it seems as if it's in some sort of array function.  see pic 2 None of the relays from M448 thru M512 ever turn on.  I understand that all these are controlled thru this circuit, but i have no clue what is going on with the R registers, and how the heck these internal relays can be turned on. Can you guys help explain?   Thanks!
  17. PID (Q62HLC) in Q Series

    Dear all, do you have some ready examples for Mitsubishi Q series(Q12HCPU) where you use PID (Q62HLC) ? I use two analog input from 4-20mA and two PLC output. I acept 2 signal from level sensor. So how can I use PID autotuning? As I see in examples in manual, there also have other parameters, which I must set, except PID function. Thanks in advance .
  18. I/O configuration error FX2N

    Hello please could you help me with this problem . I have FX2N-16MT CPU with expansion modules FX2n-16ex-es , FX2n-16ey-es in that order . when i download the program on it and moniter online  i have active output on y22 ,y25, y13, y00, y27 (software) , i only found led of y00 (CPU module) ON , others of expansion op module not  (P.s power lamp on module on ) , however the expansion of ip doing well , .  i do that trails . 1-change combination to be FX2N-16MT CPU - FX2n-16ex-es -  FX2n 16eyr (new one) , but same happen  , when i go to plc diagnostics i found error 1010 i/0 hardware configuration  2-   FX2N-16MT CPU -   FX2n 16eyr (new one) , but same happen 3- FX2n- 14mt CPU (New one ) - FX2n 16eyr (new one) with same program it works ok  .  i wondering how melsoft software recognize expansion module of FX2N series and if it need hardware configurations (by rack like siemens plc ) the way of addressing ip and op in mitsubishi plc FX2n series . how to change it . and if i wanna to change the cpu 16mt , by 14mt ., does i need to change spacial markes or function on the machine program . . i m sry for my bad english and thanks in advance     
  19. Hi guys! As the title explains, i wanna move a value to 210 -> 220... is there a function for that or do i have to make a MOV for every single dataregistry (look at picture)? Its an mitsubishi FX3GE PLC programmed in GxWorks2. Br, Jim  
  20. i want to operate one machine on 24 Hour timer. PLC should read the actual time. i want to stop the machine during tea time and lunch time. the same will work for whole day. please help me to how to  make the ladder in mitsubishi plc. 
  21. Hello, If anyone had to do with GSM Module using with Mitsubishi Q PLC? I'm looking for a simple example of ladder program to send a error code via SMS. E.g. error M100 (internal variable in PLC) appeared - send M100 by SMS to phone number 123456789. If someone can help me? Thank you in advance.
  22. PLC Input Output sequencing

    Hi all , new on site and looking for some help please. Need simple solution to the following example. Imagine a clock face. At every 45 degrees , I need an input and an output from the same input some milliseconds later. Before I get to 90 degrees , input 1 is now off awaiting input 2 at 90 degrees and so on. For my 360 degrees , this would require 8 inputs and outputs with only one input / output active at any one time with the program repeating the sequence continuously when back to zero degrees. Info please on suitable small inexpensive PLC and any suitable position feedback device , thanks , Al..//
  23. Hi all. Long time reader, first time poster. I am tasked to make a couple of module specific function blocks for communication between our Mitsubishi PLC (GX IEC Developer 7.04) and a B&R remote IO over Profibus. A number of these blocks would then be used, depending on the RIO setup. Reading should be straight forward, just read X amount of words, starting from address Y. Writing is trickier as Mitsubishi prefers 16/32 bit Data whereas B&R batches Data in bytes! As I have several output modules in the RIO. I need to send my info "chained" together. Example: Module 1: 2 Bytes Module 2: 3 Bytes Module 3: 2 Bytes Totals: 7 bytes or 4 words. Sending the first word is no problem. Neither is the next two words (I will just have 1 empty byte at the end of the third word). But then the info to the third module should start in the middle of the third word. Any idea how I could solve this? Experimental: At the moment the blocks have inputs (bits), which are stored to a bit-array inside the block and then linked to an output. My idea at the moment is to merge all module-wise output bit arrays to one big bit array, converting that to INT and sending it off to the Profibus address. But I have not yet found a way to merge the arrays and shift them so all data is where it should be. Above example: ARRAY [0..15] OF BOOL + ARRAY [0..23] OF BOOL + ARRAY [0..15] OF BOOL Totals: ARRAY [0..63] OF BOOL or [0..71] counting the spare byte. Converted to 8 Words and forwarded through Profibus. Thank you in advance.
  24. FX5U

    Halo, i have question and asking for help. my factory use mitsubishi plc type fx5u. can anyone help me how to setting everything that make motor servo can run. PLC : FX5U Ampli Servo : MR-J4-70A Thank you for helping me.