You are using v20 to open a v21 or v24 project. Fix: You cannot. You must upgrade to Studio 5000 v21 or higher, or ask the original programmer to export the logic as an L5K file (ASCII text). Then import into v20 (though with loss of some properties).
For professionals evaluating the software or students:
Use the Direct Download option for standard file management or the Download Manager for automated handling of large multi-part files. System Requirements for v20
((install)) Download Rs Logix 5000 V20 -
You are using v20 to open a v21 or v24 project. Fix: You cannot. You must upgrade to Studio 5000 v21 or higher, or ask the original programmer to export the logic as an L5K file (ASCII text). Then import into v20 (though with loss of some properties).
For professionals evaluating the software or students: download rs logix 5000 v20
Use the Direct Download option for standard file management or the Download Manager for automated handling of large multi-part files. System Requirements for v20 You are using v20 to open a v21 or v24 project