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  1. Version 1.0.0

    29 downloads

    An example on ST is the definition of the fronts of a discrete signal.
  2. Function block on ST for algorithm DIFU DIFD View File An example on ST is the definition of the fronts of a discrete signal. Submitter drYurban Submitted 10/05/22 Category PLC Sample Code
  3. when doing program, sometime really need a long period timer, I used to use RTO retentive timer, that can make 69 minute time delay. but recently I got problem. the production runs 24x5 hours, I have to keep one of my program function to monitor the equipment fault, I could not get the plc time by using GSV. the system time doesn't work. (all the other production lines, the system time work well, only this line 1769-L30ER 5330ER) By calculation, one day is 24x3600 seconds, six day is 144x3600 second, so I use CTU to count the every second, and use the CTU.ACC as relative time record.  If the production line runs five days with no stopping, the counter will count to 120x3600 second, it's long enough to keep the monitor on. once the line stops, reset the counter to zero. waits for next starting up.     S. Green
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  5. FX5U Modbus-TCP Server (Slave)

    Hello everybody. I need a solution for Modbus-TCP server on the PLC. With the FX3U it would work with the FX3U-ENET module. The internal interface of the FX5U should actually be able to work with the library of the FX3U (FX3GModbusTCPServer_GW2_V100) or not? Because a socket connection is now possible. I would be happy about suggestions. Dave
  6. Modbus Tcp Ip

    Hi everyone I'm new programming this plc, I need to create a Modbus table with some Modbus adrres, my plc needs to act like a slave and a SCADA gonna send me some data, but I don't know how to set up it,  the manual talks about SP.SOCOPEN  but I don't understand how it works, and how to set up it. could someone help me     
  7. GX Works3 Projectlib Locked

    Hello, I have a problem that I need to solve in a PLC program has it's projectlib locked.  I work for a company that contracted a PLC programmer before my time to program their new version of their control cabinets. The company did not write any specific contract with the contractor and just relied on his work. The guy later delevered a buggy software that is kind of functional (the bugs came up at the commissioning after the guy was paid and now he refuses to help or to provide more consultations). I have as a task to freshen this up and make it work without bugs, the problem is that the Projectlib is locked and I cannot access the source code.  The only thing that I can changes that I can make to the code is to put some logical circuits between the I/O of the already existing function blocks, which solved some problems, but not all and it keeps one of the most important ones as well. Anyways, that's my story, so now my question is, is there and possible way of unlocking the projectlib? Any feedback would be highly appreciated. Thanks in advace!
  8. Device Memory Mismatch

    Hi guys I have a mismatch in my Device data and I do not know why this is mismatched, can someone give me a indication of where to adjust it or view where it is assigned?   Kind Regards Morne
  9. SLMP Failures

    Hello all,  I am new to using Mitsubishi and I am having issues communicating with my Cognex Camera. I have the camera configured in Datamn Setup Tool. I have the Ethernet card configured and validated. I am able to ping both devices and get a response on the network. However, I received an SLMP failure in Dataman and there's no communication between my camera and the controller.  Please see the attached photos to view how I have the camera and PLC configured.
  10. how to set up timer in st

    Hello all I m new in st programming in omron I want to use timer in st please help me regarding this
  11. File Transfer Protocol

    Hello I have a FX5U PLC that is performing some data logging (D-reg and Bit) through the CPU module logging configuration tool, sample time of 5 minutes. Currently the client is physically swapping the SD cards to retrieve the data. I wish to set up a File Transfer Protocol function to transfer the logging data to the C drive of a local PC. They will be connected via ethernet cable through a network switch but independent of any other networks or internet. Desired function of FTP: 1.      Data transfer every 24 hours 2.      Confirm SD card not in use (either pause logging function or carry out in between 5 min samples) 3.      Read logging data from SD card 4.      Write data to local drive on PC 5.      Delete transferred files from SD card to leave capacity for further logging operations 6.      Data logging instruction file (.llp) must be left on SD card 7.      Recommence data logging function I have configured the PLC as FTP Server and managed to view the contents of the SD card through windows file explorer on laptop with limited success (connection is intermittent and when access is possible, it does not always show updated/latest SD card contents) Is it possible to achieve the automated FTP using Mitsubishi and Windows software or do I need 3rd party software as well? Any advice on this would be hugely appreciated.   Many thanks.
  12. I have set up a timer in exostructure expert basic and am trying to get the contdown value from the preset of 20 to show in vijeo designer but it tells me the %tm0.v is read only and cant find the variable in Vijeo designer to show it. Does anyone know how to do this?  
  13. I need to program a Phoenix Contact PLC in Structured Text. The PLC should communicate with a motor that uses the CANOpen protocol. The only resource I have is the dbc file. I'm kinda lost about where to start. If you have some suggestions/recommendations I would appreciate it.  Unfortunately, Phoenix Contact only has a CAN library that is really limited to work with and the complete configuration is done via function blocks that represent the transparent CAN layer (you can't include EDS files or DBC files). 
  14. Data movement

    Hello , I am very new to sysmac studio I have an structured text block to move some data but the destination doesn't retain the values any ideas on how to fix this.
  15. Can You explain me how can I reset a Timer so that after completion of the cycle, it automatically starts again from 0 sec in CX Programmer? I am working on a program for a Oxygen PSA Plant. In which the valves of 2 cylindrical tanks switches at a specified interval and the cycle keeps on repeating. Thank You.
  16. Selecting alternate POUs on FX5U

    I've to modify this program I wrote back in 2015 and modify the sequence in Seq100Bins. I'd like to work on a copy Seq101Bins during development and toggle between the two POUs. I can't find or remember how the various POUs are called. In most other systems I've used they'd be called from the MAIN / Program but the logic isn't in there. Can anyone jog my memory or correct my understanding?
  17. PLC DEVICE NET

    how to use device net in FX5U SERIES PLC WITH FANUC ROBOT DEVICE NET CARD A20B-8100-0490 /03B
  18. Hello! I just recently started learning about PLC's at University. While using Gx Works 2, how do I turn on auto complete for existing variable names? With this I mean, after creating a variable, for example bSystem_Started, if I want to use it again, what setting do I need to change so that by just typing "bSy", a pop up appears saying the whole name "bSystem_Started", so by just pressing enter it auto completes. Thanks in advance, Greetings, Patrick.
  19. Hi, Could anyone help me out on how to extract the digits present in a string in sysmac studio... Thanks in advance !!!
  20. FX5U Shift Dword

    I read the max value from a encoder SD4502. In the label I have sign the SD4502 as double word. If the trigger ( X10) is high then the value is counting in SD4502.  If the trigger flange is going down I puls with DHCMOV the value from SD4502 to D0. Now I will storage this data like shifting but it is only working on 16 bit. Is any one that can help how I can solved for 32 bit? I have tryit with commando sfr, SFL or BSFR,BSFL and also SHR_E. measuring on belt.gx3
  21. I'm modifying an STL program I wrote some years ago. I need to split an STL sequence (to let the first part restart while the second part runs on). The original POU runs from STL S100 to STL S138 in steps of 2 and the STL sequence ends in a RETSTL instruction. The modified program ends at STL S134 with a RETSTL instruction followed by the new sequence which runs from STL S140 to STL S146 and ends with another RETSTL. This modification causes the PLC to fault with error code 33E7 - Program structure error. Can anyone explain what's causing the error and suggest a fix or workaround? Many thanks.
  22. I have a huge confusion regarding the retentive timers on FX3GE. According to the programming manual for FX3G(image attached), all retentive timers use the EEPROM. This is very confusing to me because the retentive timers are modifying the measured time constantly in an EEPROM register and EEPROM type of memory is known to be write limited. After a couple of million write cycles the EEPROM registers burnout. I've experienced this myself by constantly using the T250 and after a while it became unusable. The timer stopped counting time after some time. This leads to my decision that retentive timers on FX3GE PLCs are something that should бе used only on rare occasions so as to avoid EEPROM memory burnout. If this is true than the real question comes in: What is an alternative for using retentive timers on FX3GE when you want to measure time between two events. The instruction TTMR for teaching timer is appropriate however this instruction does not exist on FX3G series.  
  23. SLMP Failures

    Hello all,  I am new to using Mitsubishi and I am having issues communicating with my Cognex Camera. I have the camera configured in Datamn Setup Tool. I have the Ethernet card configured and validated. I am able to ping both devices and get a response on the network. However, I received an SLMP failure in Dataman and there's no communication between my camera and the controller.  Please see the attached photos to view how I have the camera and PLC configured.
  24. E-Designer

    I have E-Designer 7.52 Build 344 installed on 3 windows 7 laptops the 2 that the problem is on are Pro 64 and the 1 thats working is Home Premium 64 but I seem to recall having this problem on the the Home one 9 years ago and getting it sorted but cant remember how The problem In Alarms,  Alarms New Alarm Alarm text: When typing cursor stays at left side and can only be moved to the right by the arrow key then jumps to left side after letter is pressed or you can type in reverse Signal:        Typing works normal OK:             Entry is not valid ;May not be blank Copy: Ok: Same result Properties:Ok:Same again Is there anyone who can help me with this as the laptop that works is on its last legs Thanks  
  25. Axis Permanent Control

    Hi Guys, How can I bring an axis into permanent control? that as soon as a value changes, the axis reacts. My Hardware FX5U, FX5SSC MR-JE-20B. Thanks a lot.