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Symbolic acces with hmi alarms

11/20/2014 3:23 PM	Rate (0)
Osld13 Experienced Member Joined: 3/20/2012 Last visit: 4/24/2025 Posts: 120 Rating: (1)	Dear all, When you want to show the alarms on an hmi, you have to send it from the Plc in a word (of 16 alarms). If you want o use the symbolic access in hmi, you have to declare the word in the API. And if it's in a DB, you can't affect a symbolic name to the word and to the bool. So you can't have symbolic names for the boolean alarmsin your step7 program. The problem has been existing for nearly 20 years now. I thought it had been solved with Portal...May be i've dreamt! Any idea, any tip? Best regards.

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11/20/2014 3:53 PM	Rate (0)
William_B Posts: 5225 Rating: (1203)	What about a work-around? See image attached. w Attachment Visual clue_individual names for alarming bits.jpg (444 Downloads)
William_B Posts: 5225 Rating: (1203)
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11/20/2014 5:16 PM	Rate (0)
Osld13 Experienced Member Joined: 3/20/2012 Last visit: 4/24/2025 Posts: 120 Rating: (1)	Hi William, Thanks a lot. I've already tried to use AT with an array, but i haven't thought to use it with a struct. Very nice and usefull. Best regards.

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This contribution was helpful to 1 thankful Users William_B

11/20/2014 5:38 PM	Rate (0)
William_B Posts: 5225 Rating: (1203)	Thanks for the feedback.. I am glad you find it useful. Just be mindful on where and how the AT is defined. See another tip in the image. Greetings. w Attachment Visual clue_AT overlay in optimsed FB.jpg (332 Downloads)
William_B Posts: 5225 Rating: (1203)
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11/20/2014 6:07 PM	Rate (0)
eisenpferdreiter Posts: 1058 Rating: (93)	William B. What about a work-around? See image attached. w Hello William, a nice work-around indeed. I will use it too. Thanks.
eisenpferdreiter Posts: 1058 Rating: (93)
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This contribution was helpful to 2 thankful Users William_B Nicolas Rabette

11/20/2014 8:33 PM	Rate (0)
William_B Posts: 5225 Rating: (1203)	eisenpferdreiter William B. What about a work-around? See image attached. w Hello William, a nice work-around indeed. I will use it too. Thanks. Share and we learn.. next time around will be your turn. That includes you too Osld13.
William_B Posts: 5225 Rating: (1203)
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11/21/2014 8:06 AM	Rate (0)
Osld13 Experienced Member Joined: 3/20/2012 Last visit: 4/24/2025 Posts: 120 Rating: (1)	Ok William, understood... Best regards.

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This contribution was helpful to 1 thankful Users William_B

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