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  1. 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.
  2. line true M bit coil not ON

    Hello system is Q06UDEH GX developer 8116W Large system 2 PLcs with 60K lines of code between them, SFC ladder,  Issue,      all conditions HIGH, coil not ON or  visa versa  (not all condition ON but coil high) also happen with data comparisons, moves etc. what i have looked at so far,    -batch monitor confirms HIGH/LOW states - programs all scanned (all 35 of them) -no MC control ( some CJ and for NEXT seems unrelated) -force history is clear - not willing to rest CPU as this is a large press and it is running   -widespread condition throughout the code  - only monitor one window at a time Q - is there some monitor setting that I haven't found? over lapping registers Have gone online with original backup just to make sure something didn't happen with the read. No way i'm doing an edit when I cant tell whats going on with this. thanks!          
  3. 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 ?
  4. fx3u forget password

    hello  i have a machine worked with mitsubishi fx3u when my technicien want to update the program for modification he find a password for the plc program and the man who develop the program is dead :( what can i do? is there any possibility to solve the issue? thx
  5. Dear all, M working on a 2axis linear interpolation using Fx3u 20ssc-h and MR-j4 70B servo and FX3U PLC. jus need a sample program for linear interpolation. m new in PLC programming.
  6. 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.
  7. FX3U-ENET and Modbus

    Hi There i have heard from our local mitsubishi dealer, that there is a Fx3U-ENET module which also supports Modbus TCP. so i ordered one, because i am planning to do a Project using a atv71 FU and a Codesys PLC, so the plan is, that these 3 Devices are able to communicate together over Modbus. has anyone done something similar before? what do i need to setup in FX-Configurator EN, and how can i send modbus commands through that module. i am using GX-Works 2 and have a Structured project. any help would be appreciated. thank you jason
  8. Modbus client problems with FX3U

    Hello, I have the following problem, I have two PLCs FX3U-16M, with a communication module FX3U-ENET-Port502 in both PLCs have built a server under Modbus TCP and a client to read the registers of the other PLC, my code of Modbus TCP client presents the error code C017 and errors in the channels for reading and writing the registers. Of course grateful for his help.
  9. Hello everybody, As many of you can see, I took a course onto development the user libraries, that able to simplify extremely a PLC programming process, to help programmers to increase a productivity of their labor, to reduce a program code and quantity of used system variables, to improve readability of programs. A part of libraries has been already developed and looks fine. Also I full with new ideas, plans and could design new and new that then to share these libraries with other programmers. The work is bringing me a pleasure, however, at current situation I can not allow for me to share the libraries for free. I can explain why. First of all, it takes my time, which is money, and I should feed my family, also the work eats a health, which is not infinitive. The second, those who can get it for free, will not appreciate the labor and will distribute it to the left and to the right. The third, ME has not an interest to my offer, to the products and doesn't want to help to make it available for all. What I'd like to propose to you: If you have an interest, I can offer to open a subscription to the ready and new libraries, which will be developed further. What I can promise and guarantee: I will collect wishes and requirements of subscribers and all can vote, what should be realized at first. The subscribers will can get a release with up to four small libraries or one big (for example, such like Modbus Master/Slave library) every month, that will fit to the requirements and the collective choice. What's a payment for the subscription? I suppose a fee in 100 USD per annum will not be predatory for a subscriber's pocket. The fee will cover costs in case, if the number of subscribers will exceed 70 people. Thanks to all for the attention and I'd like to offer to discuss the proposal in this topic.
  10. ON/OFF Timer for Mitsubishi FX

    FB_TIMER_ON_OFF The FB is a part of RTC library and implements a timer, based on RTC, for ON and OFF a control bit, e.g. to turn ON/OFF a load in the time interval, and can be easily added into your program in desired quantity. The FB is supplied with E (Enable) input, EO (Output to Control Bit), and can operate in one of two modes: HMS = Hours + Minutes + Seconds (daily timer) MDH = Month + Date + Hours (yearly timer) Each setpoint of ON and OFF time settings should be represented as Array of INT [0...2] type and contain a time data according to the chosen mode. Thus, for example: - in HMS mode: a control bit can be turned on at 02:03:14 am and then turned off at 06:04:17 pm, or turned on at 05:12:27 pm and turned off at 07:06:22 am; - in MDH mode: a control bit can be turned on 3th February at 02:00 pm and then turned off 4th June at 05:00 pm, or turned on 12th November at 03:00 pm and turned off 6th March at 10:00 pm. If the values of both time settings are the same, the FB output will not be activated. Supporting PLC CPUs: All FX Program memory: - 34 steps per each FB instance - 4 steps for entire project (reading from RTC) System variables: M - 3 bits (for entire project) The library is compatible with GX IEC Developer and GX Works2 software . https://plus.google.com/105445006108716761629/posts/Z4v4F11s4Bz
  11. Hi guys, I have a problem with GX IEC Developer 7.04, i hope some of you can help me. When i try to connect with the PLC type - Melsec FX1s- 30MR-DC, there is an error: I check all COM port settings, and everything is ok. Com_port parameters: FX Parameters: Transfer setup: PLC Type in the program is the same like physical one (FX1s). I try to change all of this stuffs but there is no result. The cable I use for comunnication is this type: Thank you very much in advance. Have a nice day! eng R. Bukov
  12. Hi all and nice to meet you here! I hope that someone with experience helps me and I hope in future to offer also my help to someone. I am having problem with a Mitsubishi plc with A2N (S1) cpu installed on a machinery. The machinery stayed 20 days switched off and with battery empty as I realised when switched on and the problems come out. I changed the battery but the problem didnt resolved. The plc gave error with stable error led and flashing run led on the cpu. Also an error led stable on a (double role) module of printer and ram. I have to say that I have never used GX developer environment before and it is my first contact with Mitsubishi plcs. Reading some manuals (found on the internet) and by using GX developer I read from plc the faults. Register D9008 was set at 12 error meaning MISSING END INS. I Followed the described flow charts from a2n manual for reseting faults but the situation was the same always as described above. I tried to read the program from plc and succeded to read it. It is a lader with about 6000 lines. Anyway I have no previous experience of the GX development environment but I tried to put the missing END in the program as sugested also by the flow chart in the manual. At this point I have to say that it was automatically added from gx developer as I can remeber from an appeared message. I verified also many times the program on gx developer with the plc and the only difference was that missing END at the last line of ladder program. Anyway I tried to write back to plc the program with correct end but it was not possible. I tried several times. The error mesages took with Gx developer was the following : "THE SAME T/C COIL EXISTS IN PROGRAM (MAIN) AND/OR PROGRAM (MAIN-SFC). THE VALUES ARE SET TO BE THE SAME AS IN THE FIRST FOUND T/C COILFROM THE TOP OF PROGRAM" "THERE IS A DEVICE IN THE PROGRAM (MAIN) THAT IS OUTSIDE OF THE RANGE. CHECK THE PROGRAM AND CORRECT THE DEVICE THAT IS OUTSIDE THE RANGE." Anyway I decided to delete the plc memory. After that the run was stop blinking and the error led went off. Only the error on the printer-ram module was on (This module was changed with a know functioning one witout any variation on behaviour). I thought that problem has gone now that the cpu is empty. I tried again to write the program to the plc but again i take the above mentioned messages. Now I have an empty plc and a program on the Gx developer that cannot be written to plc!!!!!!!!!!!!!!!!!!!!!!!!! I am desperate!!! I do not know how to proceed. I am not knowing the mitsubishi development environment. Other than Gx developer I tried to install the GX simulation but it not works to my computer. At this point I dont know even if the ladder program is somehow corrupted after the described above messages. I can sent the code (GX developer project) and any other information to someone expert, if necessary, to have an opinion. Please help!!! Let me know how to proceed!! I have to write back the code to plc !!!!! Thank you all in advance!! Now i realised that there is SFC that is my problem. Could someone help please? Big part of ladder is in yellow color. How can i proceed?
  13. https://plus.google.com/105445006108716761629/posts/DzZy3GmFxT8
  14. FX3U-232-BD

    Hello, everyone. I have FX3U-32M PLC with expansion board FX3U-232-BD. I successfully can read and write program through programming port (RS-422 mini-din 8pin) at GX Works2. Now I am trying to connect through FX3U-232-BD, but I can’t. I have a task controlling PLC with OPC server. And I must to connect through FX3U-232-BD, because to the programming port connected touch panel. What should I do, to do it correct. At the program I see, that H81 is writing to the D8120 register. Which means that channel 1 settings is: 9600 speed, 8 bit, no parity, 1 stop bit. But I can’t connect with this settings. Cable which I use: PC PLC 1 1 2 3 3 2 4 6 5 5 6 4 7 NC 8 NC 9 NC I am new in this type of PLC, and I need fast solution. So you are my last hope. Sorry for my English.
  15. Hi everybody! After several years at the forum this is my first question to experts: What is the syntax of INDEX_M and OUTEX_M instructions in GX IEC Developer IL? Thanks
  16. Non-volatile memory GX Works2

    Hi all, Im trying to figure out how to create non-volatile memory tags in GX Works 2 (using a FX3U controller), so that the values stored in the D registers won't keep zeroing out every time the controller powers down. Does anyone have any helpful tips on how this is done? Thanks
  17. FX3U Programming Manual.pdf

    The FX3U Programming manual is a 995 page secured pdf. You cannot copy-paste from a secured pdf. I reprinted the manual with Soda Pdf and OCR'ed it with Acrobat, using no downsampling. So now i have an unsecured searchable pdf. https://www.dropbox.com/s/3ad2ceclphla0z0/FX3U%20Programming%20Manual%20OCR.pdf?dl=0 Cross-platform and free software used: Pdf Split and Merge Basic and Soda PDF: Combine pdf pages Dassault Draftsight: edit and print autocad dwg and dxf, with 3D and scripting support CloneZilla Live: Create and restore a server/ computer image
  18. Good Day, I would like to know how FX3U-64DP-M will keep cyclic data exchange running even if one of its active slaves is disconnected or shut off. Thanks.
  19. Hi everyone! I have this simple problem, but cant get over it. I have structured ladder/FBD Project and i use GX works2. As topic tells I use analog signal from field. Now, i need to compare this value X (from field) to Values X1 and X2, meaning if value X is between values X1 and X2 then M1 is true. Ok, but what function i need to use for this? Best regards, Juha.
  20. FX3U_GXWORKS2_BINARYCODE_BY_OUTPUTS

    Hi all, Im new with plc programming and now I need some help. As topic says, I have FX3U plc and gx works2. Now, I need to tell stack heigth as positions by output. We all agree, that you can tell ten different situations when you have four outputs (Y1 and Y4 = position five). Is there any practical/ reasonable way to do this when you need use outputs. For example, is there any Functions for this, or? Best regards Ultra.
  21. PLC->OPC->Labview

    Hi, I have been trying to communicate between a PLC(Mitsubishi FX3U) and Labview (using Data Socket) through a KEWserverEX OPC-server (using a RS232C COM Port cable). I have been successful at that by using baud rates ranging from 9.6kbits/s to 115.2kbits/s, with average reading time into Labview ranging from ~40ms to ~10ms (of course depending on baud rate) per value. However, this is too slow for our purposes, and we need it to be in the area of 1-3 ms per value. Are there any tricks to decrease the reading time between the PLC and Labview, or do we perhaps need an ethernet module? Kind regards Bjørnar
  22. Hi, I have a challenge with GX developer version 8.63R (SW8D5C-GPPW-E). I'm trying to verify 2 projects (offline). Some programs I know there are changes but they are not shown in the verification. In 1 program I did see the last checked change was in step 1496 (next change I did see by manual check was step 1502. it seems like this type of verification is limited to 1500 steps to check. Is there any way I can make this offline verification work? the most progams that we have in our project are over 2000 steps. big thanks in foreward
  23. Profibus using FX3U-64DP-M

    I have a profibus communication using FX3U-64DP-M to access a profibus slave the only thing I want is to monitor the slave outputs can I use it as one way communication ?