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Latch / Unlatch push button on a HMI TIAPortal

Created by: pincho at: 4/24/2014 1:58 PM (3 Replies)

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4/24/2014 1:58 PM	Rate (0)
pincho Posts: 5 Rating: (0)	Hi. I'm working on a project with TIA Portal v12 ( S7300 - CPU 314C-2 PN/DP and HMI TP1500 Comfort panel). I've been reading about how to latch a button and unlatch it. I've read about the button "events": SetBit and ResetBit, but still not worning to me..... when I push the button, it doesn't latch...... only while I'm pushing. I just have found one alternative solution using a 2 modes switch, but I need specifically a button. Greetings!
pincho Posts: 5 Rating: (0)	Last edited by: pincho at: 4/24/2014 1:59 PM
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4/24/2014 2:17 PM	Rate (2)
K!ke Posts: 1299 Rating: (136)	Hello, what exactly do you like to do? instead of set and reset bit you can use invert bit. if you like to display the two states of the button, you can use a "PushbuttonSwitch" in the library Buttons-and-Switches K!ke
K!ke Posts: 1299 Rating: (136)
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This contribution was helpful to 4 thankful Users pincho pakplc m4all jskala

4/24/2014 2:19 PM	Rate (1)
Jens_app Gold Member Joined: 1/5/2011 Last visit: 3/13/2025 Posts: 815 Rating: (123)	pincho Hi. I'm working on a project with TIA Portal v12 ( S7300 - CPU 314C-2 PN/DP and HMI TP1500 Comfort panel). I've been reading about how to latch a button and unlatch it. I've read about the button "events": SetBit and ResetBit, but still not worning to me..... when I push the button, it doesn't latch...... only while I'm pushing. I just have found one alternative solution using a 2 modes switch, but I need specifically a button. Greetings! Hello pincho, instead of a button you can use a switch, and then link it to a processtag. Then the events "setbit and resetbit"are not needed anymore. (what K!ke said, he was faster) Kind regards, Jens
	Last edited by: Jens_app at: 4/24/2014 2:20 PM Keep it simple and on-topic. A simple straight-to-the-point answer is often of more quality than a complicated one.
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This contribution was helpful to 3 thankful Users pincho pakplc m4all

4/24/2014 4:40 PM	Rate (0)
pincho Posts: 5 Rating: (0)	I didn't see the old libraries......so hidden!!! Now everything works perfectly, thanks!
pincho Posts: 5 Rating: (0)
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This contribution was helpful to 1 thankful Users Jens_app

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