I am currently utilizing PVC and ML1400 in my application. The plc logic is used to control the display of screens through the Global Connection Tag "Current Screen Number," which is functioning well. However, I am encountering an issue when trying to select a "goto" button on the screen during runtime, as I am receiving a message indicating that the screens are controlled remotely. Is there a method to have both local and remote control capabilities? Thank you for your assistance.
In cases where the Remote Screen Control tag has a value of zero, navigation can be done using the on-screen buttons. To enable both the PLC and operator to navigate between screens, consider replacing navigation buttons with buttons that update the Remote Screen Control tag. This will allow for seamless screen navigation for all users involved.
Thank you so much, Ken! Your support is truly appreciated.
If you're looking to enable both the PLC and the operator to switch between screens, you'll need to substitute navigation buttons with buttons that update the Remote Screen Control tag. Is this behavior different from the PV standard? In other words, when aiming for both local and remote control in the PLC, I typically compared the control tag to the status tag and reset the control tag when they matched. Can this same approach be used in the PV+? Instead of using buttons to update the control tag, can you simply add a line of PLC code to reset the control tag and revert to traditional navigation buttons for local control?
Eliminating the need for buttons to control remote screen functionality is a simple and efficient solution. Once a screen is called remotely from the PLC, reset the remote screen control tag to zero. This method, which I frequently employ, is highly reliable. In essence, I implement a single rung of logic that checks if the RemoteDisplayScreen is not equal to zero. If this condition is met, a 500ms delay is initiated before setting the RemoteDisplayScreen back to zero.
Agrosse's method deserves a thumbs up!
Absolutely, it's possible to have both local and remote control capabilities. This type of issue usually arises when the terminal is set to be controlled only by the logic, which disables the local control. You'll need to double-check the terminal settings. Look for 'Terminal' => 'Setup' => 'Display Settings' => 'Key/Touch'. In this path, if the 'Remote Control' is checked, uncheck and then check 'Allow Local Control'. This should allow both local and remote control. Remember to download this change to the terminal. Hopefully, this solves your issue.
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Answer: 1. How can I enable both local and remote control capabilities for PanelView Component (PVC) and ML1400 in my application? - To enable both local and remote control capabilities, you can utilize the PLC logic to control the display of screens through the Global Connection Tag "Current Screen Number." This method allows you to switch between screens locally and remotely.
Answer: - The issue you are facing with the "goto" button during runtime may be due to the screens being controlled remotely. You can address this by implementing a solution that allows for both local and remote control capabilities to ensure seamless operation.
Answer: - To resolve the message indicating remote control of screens when selecting a button, consider implementing a method that enables both local and remote control capabilities. This will allow you to navigate screens without encountering any restrictions related to remote control.
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