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  1. GE90-70 LM90 application help

    Hi All, I recently had an opportunity to visit a plant that was running GE90-70 redundant PLCs with Genius RIOs communication to CImiplicity SCADA. I initially thought that the Application was done in PME 7.0 and was able to use the serial cable and upload the project using PME software. The program uploaded with no comments. However, when i went to get the backup of the SCADA program, I saw that the previous engineer made back ups of both the SCADA and PLC. When i looked at the PLC files, It struck me that the PLC application was made in LM90. I had the LM90 master software and was able to open the files using a few youtube videos as a guide. The client has asked me add a few PID loops. I have a few questions: 1. If the PLC was loaded with LM90, how was i able to  upload the program with PME?.          1a. If so, can I make online changes with PME to add the 3 PID loops without going back to LM90 2. If 1a option is not possible, I would have to use LM90 to make the changes. does LM90allow online changes? LM90: Questions I have plenty experience with PME, but this would be my first time with LM90. Before going to a site i would like test the process of upload, download in my office. So i have few queries about this software: 1. I am able to get hands on GE 90-70 PLC that was programmed with PME. Will i be able to create new application with few logic in LM90 and download to this PLC and test the whole process of testing my logic and upload/download procedure. And when once i am done, load the PME application back into it. I am not sure if I would have downgrade the firmware of the PLC? 2. , Does LM90 have option to make offline changes and download only changes, if so will it stop the PLC when downloading?. I would appreciate all the help in this matter  
  2. Logicmaster 90 Software Needed

    I need the LM90.exe software to pull the program off of an old 90-30 PLC.  Proficy ME will not communicate and I know I've run into this before where the earliest 90-30's will not work with Proficy and I have had to use LM90.  I used to have a copy and don't know what I did with it.  I'm in communication with GE Automation, but it does not look promising.  I just need to get the ladder so I can minimize the engineering time to migrate to a new PLC.
  3. GE Fanuc 90-30 problem

    Hello, I am Siemens programists newbie to GE-Fanuc.   1) Program was created in LM90-30 - i can not work with this software (Versapro only) 2) I have no valid backup in Versapro 2.04 and LM90-30, 3) After load hardware, logic, variables to Versapro 2.04 - Logic not Equal,  4) There is no _Main.dec available, 5) There is one empty subroutine in IL after upload causing: "IL Temporary variable range not defined". Warn: "Block contains empty data lists." 6) After trying to check_all - stil p.5,   I could monitor program with migrated version from LM90-30. After making changes (just store logic), program still looks like before changes (despite logic equal in right corner). There is something weird becouse whole the rung (network) logic conditions are ok (1) but the coil is grayed - working like there is program before loading.   At the end of storing versapro generates an error. Whole program in PLC was made in LM90-30.   I am looking for solution. Best regards. Realy appreciate for your help / ideas.      
  4. LM90 to Proficy Upgrade

    This is a preliminary post to see if anyone can point me towards information on upgrading from LM90 to Proficy ME. We have a system that I was involved with 15 years ago and a new company that owns this rig is looking to upgrade from LM90 to PME and change out all of the Field Control Cards and update to VersaMax...... Was going to keep the Genius Comm until I heard that's on it's way out by the end of 2017 as well. Now looking to upgrade to Profinet. Any information that you want to throw at me would be appreciated. Cheers
  5. PLC Software Conversion

    Hi ALL, How do I convert a LM 90 30 (DOS) to a Proficy Machine Edition 8.5 software? Thanks Chris
  6. I have had a GE 90-30 CPU331 in my house for 17 years with no trouble at all. I have a problem that I have never seen before. I was editing the program using LM90. I don't know what I could have done in the program to disable an output. Just 1. All the rest of the points in that group on that card still work. I swapped cards with no difference. All of the elements of the rung are true (highlighted). The output is not on or highlighted. The nickname over the output has ONE letter highlighted. The bit in the reference is "0" and is highlighted or "grayed out" (the cursor is not on it). I searched for coil conflicts. I am using this output contact lots of places but only one output. The logic is working correctly when I use another output or %M. This is an isolated output which needs to be in this group (moving it would be awkward). What does a "grayed out" reference bit mean?