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Found 4 results

  1. FX-64MR

    Never Succes Upload from PLC to MEDOC v2.4, always brake on step 1302,always have massage invalid intruction found. Upload from PLC to PC ..never done,succes full.Please help me,,what happen?.
  2. In fx-64mr ,used medoc, i found instruction like pic,icant read on leader program, and found error if test, error is step 1304 too big.so if i want to upload from medoc file to plc have error invalid intruction. How to read intruction in leader and how to uploaded this file to fx-plc. Note: this file i get from fx-plc. I am download via medoc(plc to medoc).
  3. Any old timers out there that can dust off the memories and help me program an old A0J2 processor? I can access the processor through Virtual Box DOS and MELSEC MEDOC.  I can upload the program and data registers and print everything.  The problem is that I want to change the program and having issues with the software & PLC.  The PLC has a ROM in it (ROM not an EPROM or EEPROM).  I can remove the ROM and set the jumper to RAM instead of ROM.  When I try to download the program I get "Param different" and the download stops.  I can reinstall the ROM and the PLC reloads OK and runs the program.  Where can I view/download/change the "Parameters" that the message is referring?  Do I need to clear the PLC somehow and reload everything? Any help is greatly appreciated.  Thanks in advance.
  4. I have very little experience with Mitsubishi logic and I need to modify an existing program from 1999. I am looking for some insight on how to approach this request. The required change has to have Y035 energize 2x during one scan of the program. (Double stroke the cyclinder) FX2n PLC Y035 connected to a spring return solenoid GX Developer 8.20W (Originally coded with Melsec Medoc 16bit) M855 M630 -------| |------------------------------------------------| |-------------------------------------------------------------------------------------(M857 ) MAN MECH | PWR ON EXT MECH TEST | CYL | | | M645 M860 M760 | ------| |------------|/|------------| |-------------| CYC OK INDX2 OK INDX1 START RET M857 M858 M859 M630 ------| |------------|/|------------|/|-------------| |-------------------------------------------------------------------------------------------(Y035 ) EXT MECH TST OK TST FAIL PWR ON MECH CYL CYL RET RET EXT I can upload source code if anyone is interested. Any suggestions would be greatly appreciated!