rich43

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About rich43

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    Hi, I am New!

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  1. It does not have an external battery pack and I have not checked to see if it has an EPROM.   I will do that. thanks for PDF and info.  
  2. Have an older PLC 2/05 where the RAM battery has not been replaced for years.   It still has a valid program that is occasionally used.  How can I safely replace the RAM battery without loosing the program?   This PLC apparently requires removal from the rack and therefore will not have power applied to it.
  3. Interested in knowing the difference between SLC 1747 BA and Compact Logix 1769 BA replacement batteries. The batteries appear to have to have same 3 volt and AH specification. Are the connectors different? Are the direction interchangeable? If not then, why not. Thanks