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Step active state in HMI LED

Created by: JuanMa_17 at: 1/19/2022 9:25 PM (6 Replies)

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1/19/2022 9:25 PM	Rate (0)
JuanMa_17 Regular Member Joined: 9/3/2021 Last visit: 4/24/2025 Posts: 27 Rating: (0)	Dears, I am working on a basic state machine with GRAPH and an HMI. I want to indicate on the HMI that Step 1 is active with the variable Block_1_DC.Step1.X with indicator (circle). My problem is that I can assign the variables Block_1_DC.Step1.X with the PLCtag Block_1_DC_Step1_X, what am I doing wrong? Attached screenshots of the project. I am using TIA PORTAL v17. Thanks and regards Juan Attachment 2022-01-19_164155.png (219 Downloads)

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1/19/2022 9:27 PM	Rate (0)
JuanMa_17 Regular Member Joined: 9/3/2021 Last visit: 4/24/2025 Posts: 27 Rating: (0)	Add one more image Attachment 2022-01-19_164440.png (219 Downloads)

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1/21/2022 6:40 PM	Rate (0)
@rturas Experienced Member Joined: 1/27/2009 Last visit: 3/19/2025 Posts: 172 Rating: (8)	Hi, i am not sure if i understood your problem correctly, but i believe you need to check "Accessible from HMI/OPC UA" to the corresponding tag in your data block. Attachment 2022-01-19_164440.png (191 Downloads)
	Last edited by: @rturas at: 01/21/2022 18:42:43 Last edited by: @rturas at: 01/21/2022 18:43:35 Typos The only thing necessary for the triumph of evil is for good men to do nothing
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1/24/2022 7:57 PM	Rate (0)
JuanMa_17 Regular Member Joined: 9/3/2021 Last visit: 4/24/2025 Posts: 27 Rating: (0)	Thanks @rturas For DB variables, the "Accessible from HMI/OPC UA/Web API" enable is enabled by default. For the GRAPH control block DB, no. Could you guide me to enable "Accessible from HMI/OPC UA/Web API" of the GRAPH block, step1? In which document would that information be? Thanks a lot Cheers JuanMa Attachment bitmap.png (220 Downloads)

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1/29/2022 1:59 PM	Rate (0)
@rturas Experienced Member Joined: 1/27/2009 Last visit: 3/19/2025 Posts: 172 Rating: (8)	Sorry for late reply, i was bussy. You should check that in your GRAPH FB's interface. Attachment grp.jpg (205 Downloads)
	The only thing necessary for the triumph of evil is for good men to do nothing
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1/31/2022 3:16 PM	Rate (0)
JuanMa_17 Regular Member Joined: 9/3/2021 Last visit: 4/24/2025 Posts: 27 Rating: (0)	Thanks@rturas, it works perfect!!!

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1/31/2022 3:21 PM	Rate (0)
@rturas Experienced Member Joined: 1/27/2009 Last visit: 3/19/2025 Posts: 172 Rating: (8)	I am glad i helped.
	The only thing necessary for the triumph of evil is for good men to do nothing
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