Hello everyone, as a newcomer to GE, I am seeking guidance from experienced GE PLC programmers. I have a few simple questions regarding uploading and downloading programs on GE PLC systems. Specifically, I am wondering if the current parameter values are automatically uploaded when backing up a program? Additionally, when downloading a GE PLC program, I am prompted to select either initial or force values. Can someone explain what exactly "Initial value" refers to in this context? Thank you in advance for your help. Best regards, Loo.
New to GE and seeking advice from a GE PLC programmer, I have some basic queries. When uploading a program on a GE PLC for backup purposes, will the current parameter values be automatically uploaded? To ensure this, make sure to check the option for "parameter values" in the Download Dialog Box. For downloading the GE PLC program, you may encounter a prompt regarding initial/force values. What exactly does "Initial value" signify in this context? It refers to a variable parameter that sets your Variables (Addresses) to values provided by the programmer during the download process.
Hello RussB, I have a question regarding the Download Dialog Box in PLC programming. When I upload data, does it become the initial value, or are the initial value and uploaded value distinct concepts? My primary concern is, after uploading and editing data offline, do I need to select "download initial value" to retain the previous parameters? I am still trying to grasp the workings of this PLC system, so I greatly appreciate your guidance. Thank you! Best regards, Loo.
A user named paramesium inquired, "Hello RussB, I would like to confirm if selecting the data in the Download Dialog Box for data upload will set it as my initial value." If you are unsure about this concept, the following resources may provide clarity on "initial values" in GE-IP PLC/PAC systems: - KB15228: A guide on incorporating initial values into the PME Project from the PLC - KB15195: Tips on managing initial values and initial force states in GE IP Controllers - KB7618: Instructions on retaining an initial value post shutdown.
By selecting the option to upload Initial/Forced Values during target upload from the PLC, users can update the Initial Value and Initial Force State fields of PME project variables with the Current Values and Current Force State from PLC variables. This process ensures that the Current Value becomes the Initial Value and the Current Force State becomes the Initial Force State. This feature is extremely helpful and provides the information needed. Thank you for clarifying!
Could you please provide screenshots of the pages? I am unable to access them in my country even when using a VPN.
Hello Loo, welcome to the world of GE PLC programming! To answer your first question, the current parameter values will be uploaded when backing up a program in GE PLC. As per the second question, when you're downloading a program, selecting "Initial value" essentially means that the values currently in the program (as it was when it was last saved or uploaded) will be downloaded, whereas "Force value" will rewrite these placeholders with new values. Think of it like reloading to a previous saved game (Initial value) or starting a brand new game (Force value) in video gaming. Hope this makes things clear! Don't hesitate to ask if you have more questions. Happy programming!
Hey Loo, welcome to the world of GE PLC programming! To answer your questions, when you upload a program from a GE PLC, the current parameter values are typically not automatically included in the backup. Instead, you would have to do that separately. Regarding the 'initial values', it means the default or starting values that are set when the PLC is powered up. Opting for 'initial values' during downloading would essentially reset all the variables back to their defaults. 'Force values', on the other hand, will overwrite the current values in the PLC with those in your program. Make sure you're cautious when selecting between these two because choosing the wrong one could disrupt your system's operation. Anyways, happy programming. Reach out if you have any more queries!
Hi Loo! Welcome to the GE community! When you back up a program, the current parameter values typically aren’t included in the upload, so you'll need to manage those separately if you want to save them. As for the "Initial value" during a download, it refers to the default values set in the program for variables and configuration when the PLC starts up. If you choose "Force values," the PLC will take immediate control of existing values instead. If you want everything to start fresh with the program’s defaults, you’d go for "Initial." Hope that clears things up!
Hi Loo! Welcome to the GE programming community! To answer your first question, when you back up a program on a GE PLC, the current parameter values usually need to be manually uploaded; the backup typically focuses on the program logic itself. As for the "Initial value" option during download, this refers to the default settings or values that the PLC uses before any runtime adjustments are applied. If you select initial values, the PLC will start with those settings rather than any previous values it might have been using. Hope this helps, and enjoy your programming journey!
Hey Loo, welcome to the community! When you back up a program on a GE PLC, the parameter values don't automatically upload; you typically have to do that separately if you want a complete snapshot of everything. As for the "initial value" vs. "force value" during download, the "initial value" refers to the preset values defined in your program that will be applied the first time the PLC runs the logic after the download. In contrast, "force value" is used to overwrite certain values temporarily during runtime. Hope that clarifies things a bit!
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Answer: - Yes, when backing up a program on GE PLC systems, the current parameter values are automatically uploaded along with the program.
Answer: - In the context of downloading a GE PLC program, selecting "Initial value" means that the program will be downloaded with the initial values set in the program. It does not take into account any changes made to the values during runtime.
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