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LOGO! 8 TDE Function Keys

Created by: A_EIT at: 10/21/2021 10:02 PM (3 Replies)

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10/21/2021 10:02 PM	Rate (0)
A_EIT Member Joined: 10/18/2021 Last visit: 4/21/2022 Posts: 4 Rating: (0)	Hi, I am new to PLC and working with Siemens LOGO TDE and 12/24RCEo. Basically, I am trying to turn on and off the lights by using TDE function keys (couple conditions are applied).Picture 1 shows the FBD. The function keys should act as "Switch". Even though I selected the "Switch" mode (see picture 2), when I uploaded my project the button act as "momentary pushbutton". The simulation on Soft Comfort works fine but the keys on TDE doesn't work properly. How can I fix it? Thanks in advance.

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10/22/2021 5:32 AM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	The F-keys of the TDE are keys and not switches. The setting cannot be changed on the real TDE. You can only switch from button to switch for the simulation in LSC, but nothing changes on the real TDE.

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This contribution was helpful to 1 thankful Users A_EIT

10/22/2021 9:52 PM	Rate (0)
A_EIT Member Joined: 10/18/2021 Last visit: 4/21/2022 Posts: 4 Rating: (0)	Solution found! you can use "pulse relay". See below

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10/23/2021 5:06 AM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	That's nothing new ...

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