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RSLogix 5000 software version 20.04 is aimed to restore minor revision compatibility as known prior to version 20. Files created in version 20.01 and 20.03 can be opened in version 20.04. Version 20.04 also allows you to upload and go online with files downloaded from version 20.01 and 20.03.
Download Rslogix 5000 V20 Full Via 300
Under certain conditions (e.g. downloading over a project with a large number of established connections) downloading a project to the Logix5550 controller may fail with a communication time-out and RSLogix 5000 will be taken offline. If this occurs you should wait about 2 minutes and try to download a second time. If the second attempt to download fails, you should check the communication wiring to the controller to insure that a cable has not become disconnected, and also to check that the controller still has power.
If you attempt to open a full project import file that uses XML format (.L5X file format) by using a version of RSLogix 5000 software earlier than the version of RSLogix 5000 software from which the project was exported, then the project will not be opened. An error dialog box will be displayed stating 'Controller revision is not supported'. In order to open an L5X format project file, you will need to first launch a version of RSLogix 5000 software that is at or later than the version from which the project was exported. (One way to launch a particular version of RSLogix 5000 software is to use File>New to create a new controller for the selected Revision.) Note that this anomaly does not affect the way that L5K and ACD project files are opened. When an L5K or ACD file is opened, the appropriate version of RSLogix 5000 software will be automatically launched before opening the project.
When attempting to open a full project xml format file (.L5X), an error may be reported indicating "Controller Revision not supported". This will occur when the major revision of the xml format file being opened is later than the revision of RSLogix 5000 software being executed.
When a PowerFlex 755 drive loses power during a firmware supervisor update, it can take over 10 minutes for RSLogix 5000 software to report the time out. Once the connection to the powered-up PowerFlex 755 drive has been restored, the firmware supervisor will then successfully update the drive's firmware.
When attempting to download a project using RSNetWorx software, if the controller firmware is at revision 20 and the controller is in Remote Run mode, then RSNetWorx software will not be able to change the controller mode in order to download. In this case, the controller mode must be changed either by using the keyswitch or by using RSLogix 5000 software version 20.
RSLogix 5000 software version 20.04 includes a full profile for the 1794-IF8IHNFXT module. The full profile includes separate configuration tabs in a Module Properties dialog box to make it easier to enter operational data using a user-interface that provides error checking and user-friendly data.
In RSLogix 5000 software version 18 and later, there is an External Access tag attribute, which defines how an external application can access a tag. This functionality is fully supported by RSLinx Classic software version 2.56 and RSLinx Enterprise software version 5.21. RSLogix 5000 software version 18 and later can be used with earlier versions of RSLinx Classic software to go online to a controller; however, earlier versions of RSLinx Classic or RSLinx Enterprise software should not be used as a data server with a controller running firmware revision 18 or later. Unexpected results will be observed when using an earlier version of RSLinx Classic or RSLinx Enterprise software as a data server with a controller running firmware revision 18 or later. Please see Rockwell Automation Knowledgebase Technote #67071 ( ).
RSLinx software maintains knowledge of the memory layout of a Logix5000 controller in order to optimize the data access performance when accessing the data in these controllers. However, changes made to an offline project that are then downloaded can result in RSLinx software attempting to access tag information that is no longer present. When this occurs, RSLinx software halts the communications to the controller. To recover, both RSLinx software and the software requesting tags from RSLinx software must be restarted. To avoid this anomaly, use caution when making offline changes to a project and then downloading to a Logix5000 controller. In particular, changing the size of an array if elements of the array are already on scan, renaming a structure or a member of a user-defined data type used by a tag that is on scan, or changing the data type of a tag on scan from a larger size to a smaller size (for example, changing a DINT to a SINT). Note that RSLinx Enterprise Series software is able to accommodate these changes without requiring a restart.
When attempting to download a project by using RSLogix 5000 software version 19 or earlier, if the controller firmware is at revision 20 and the controller is in Remote Run mode, then the version 19 software will not be able to change the controller mode in order to AutoFLASH the controller with revision 19 firmware. In this case, the controller mode must be changed either by using the keyswitch or by using RSLogix 5000 software version 20. (x123924)
Creation of an RSLogix 5000 event task for a SoftLogix controller will result in the creation of a Microsoft Windows event with the same name. Since Windows events are globally scoped among all applications running on the same workstation, names of the event tasks must be chosen carefully so as not to conflict with other Windows events.
When using any of the controllers with nonvolatile memory, the memory store and memory load operations will take between 30 seconds and approximately 3 minutes to complete. During these operations the RSLogix 5000 software will be taken offline and will require you to manually reconnect. Any other workstations connected to the controller will also be taken offline. If you performed a store operation, or a load operation where your project did not have any online changes, you will be able to go back online immediately and the project will need to be saved. If you performed a load operation, and your project included online changes that you saved since the last store operation, you will be prompted to upload or download before going online.
A potential anomaly exists with RSNetWorx for DeviceNet when used with RSLogix 5000 Version V20.01. RSLogix 5000 V20.01 or specific Add-On Profiles (AOP) may result in failure of RSNetWorx for DeviceNet resulting in some devices not being able to be uploaded and / or downloaded.