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PLCSIM problem with HMI panel

10/24/2024 3:40 PM	Rate (0)
AutoGen_9559775 Joined: 8/18/2023 Last visit: 12/28/2024 Posts: 1 Rating: (0)	Hello, I have a problem with communication between plc and hmi in plcsim. The buttons on the hmi do not affect the variables in the plc. I have looked through the forum, but I have not found anything that would help. Tiaportal v15.1 and plcsim 15.1. I have created a new test project with one button and I have not changed anything in the configuration and it still does not work. The PLC is s7-1214c dc/dc/dc and the hmi KTP600 basic. The IP addresses are probably good 192.168.0.x. I have PG/PC set to S7ONLINE(Step 7) -> PLCSIM.TCPIP.1. The errors are not displayed. I have already tried what I found on the forum but it did not help. What problem could I have?

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10/25/2024 6:40 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 4/18/2025 Posts: 8956 Rating: (1194)	Hello, Have a look at the following link: Testing and simulating HMI projects (TIA Portal) in conjunction with SIMATIC controllers, PLCSIM and PLCSIM Advanced Do you have an Alarm View, showing System alarms? Do show the Alarm buffer. Perhaps you can see Alarms about the connection? Best regards, Wizard
	Last edited by: Wizard at: 10/25/2024 06:41:19
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10/31/2024 11:33 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 4/17/2025 Posts: 15311 Rating: (1893)	Hello The KTP600 Basic is a Basic Panel 1st Generation that has only a newest available Image Version of V12.X.X.X. Since V14 Siemens has changed PLC Sim communication. Check also this FAQ: https://support.industry.siemens.com/cs/de/en/view/109742764 -> So you cannot use a newer FW on the Panel (there is no newer!) So a communication from KTP600 Simulation and PLC Sim V14 or newer is not possible. With real HW it works. Bye Murof
	If this Information really helps, you could use the Rate function
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This contribution was helpful to 1 thankful Users Wizard