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MP 377

11/4/2011 7:42 AM	Rate (0)
SURESHaalborg Posts: 4 Rating: (0)	Hello experts, Can I write a script to check if the HMI screen is being used by an operator?. Our project involves more than one HMI and we need to take the control out of the HMI if not being used for a while. quiet similar to what triggers the screen saver application. . Thanks in advance. rgds Suresh
SURESHaalborg Posts: 4 Rating: (0)	Last edited by: SURESHaalborg at: 11/4/2011 7:45 AM
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11/4/2011 10:40 AM	Rate (0)
Ammy Posts: 1525 Rating: (159)	SURESHaalborg Hello experts, Can I write a script to check if the HMI screen is being used by an operator?. Our project involves more than one HMI and we need to take the control out of the HMI if not being used for a while. quiet similar to what triggers the screen saver application. . Thanks in advance. rgds Suresh Hi Suresh, Can you tell me more about what you want to do with Screen Saver function. in the Siemens MP377 Manual they have given the How to Activate the Screen Saver (In Control Panel of the MP377) but it is not recommended by Siemens to use the Screen saver Function SIMATIC HMI HMI devices MP 377, MP 377 PRO (WinCC flexible)
Ammy Posts: 1525 Rating: (159)
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11/4/2011 10:47 AM	Rate (0)
SURESHaalborg Posts: 4 Rating: (0)	HI Ammy, Thanks for the reply. My requirement has nothing to do with screen saver. I need to find a parameter within MP 377 which tells me that the panel touch screen is active( being used by operator). Using this flag then I can run a script. Best regards Suresh
SURESHaalborg Posts: 4 Rating: (0)
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11/4/2011 11:04 AM	Rate (0)
Tweety Posts: 3037 Rating: (192)	Hello, You see in the area pointer " screen number", which screen is activ on the panel. See in the manual, page 97. SIMATIC HMI WinCC flexible 2008 Communication Part 1 Tweety
Tweety Posts: 3037 Rating: (192)
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11/4/2011 11:27 AM	Rate (0)
umencho Grandmaster-Expert Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello, Another ideas: 1`. Somehow to determine the current mouse position...is not easy. In order to read the current mouse position, you have to access the API (application programming interface) of the operating system. VB scripts do not support access to the operating system's API via DLLs. Alternatively, the current mouse position can be read via a self-programmed ActiveX control that accesses the operating system's API. Note: ActiveX controls that are used in WinCC flexible must be created with the "Open Platform Program" (OPP). More information is available in Entry ID: 15247601. 2. To detect rising/negativ edges of all implemented commands there with a timers in order to understand if the panel is using...is not easy too. Best regards, Hristo Mihalev

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