mmtnaing Posted November 14, 2022 Report Share Posted November 14, 2022 I'm new beginner of M90 PLC. I want to upload the program from, M91-2-R2C, controller to my PC. I've downloaded latest version of 6.6.45. I'm not sure this version is suitable with M91-2-R2C Model. If I connect and upload it, will the existing program defect? Please give me fully instruction to my senior friends. Quote Link to comment Share on other sites More sharing options...
DanT Posted November 14, 2022 Report Share Posted November 14, 2022 Hi; U90 ladder is the program to use with all M90/91 PLC's and JAZZ Series You can upload the program from the PLC If the Prpgram is password protected, you enter the password. Start by making sure you can communicate with the PLC using the RS232-CB1 Com Cable + a USB to Serial Adapter if necessary. Default Baud rate is 9600 Controller M90 OPLC Settings Get Version -- This will retrun info about the PLC you are connected ( else you get a Com Error message) If Successfull, Now Controller Upload -- to get the program into your computer. -- Save it right away before trying to modify the program. DanT Quote Link to comment Share on other sites More sharing options...
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