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CPUcommon of PLCSIM give error downloading to device

3/11/2025 1:50 PM	Rate (0)
dnyaneshwar_sonaw... Joined: 4/13/2023 Last visit: 9/4/2025 Posts: 2 Rating: (0)	facing issue while downloading the PLC program , right now on CPU it showing the version v3.1 but in catlog available version is showing as below kindly suggest the solustion ------------------------------------------------------------------------------------------ Split from CPUcommon of PLCSIM give error.
	Last edited by: Moderator_Lan at: 03/11/2025 14:07:10 New subject after splitting
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3/11/2025 3:48 PM	Rate (0)
itafusna Silver Expert Joined: 2/17/2020 Last visit: 9/11/2025 Posts: 1251 Rating: (237)	Hi, You are using V20 software, right? What is the operating system of the system? Does the same thing happen when simulating an S7-1200? And when deleting and recreating the instance? And in a new project?
	A rating will be well appreciated.
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3/12/2025 11:46 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 9/11/2025 Posts: 16400 Rating: (1935)	Hello dnyaneshwar_sonaw... It is normal that if you have the V3.1 Version in the project and you select the same model again then it shows only all other possibel FW versions. The V3.1 you already have in the project... Do you have installed Upd 1 already for V20? Bye Murof
	If this Information really helps, you could use the Rate function
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