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VM Mapping - How should configure NI in logo program when using constant address?

Created by: Sbeach_92 at: 2/16/2019 9:00 AM (5 Replies)

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2/16/2019 9:00 AM	Rate (0)
Sbeach_92 Posts: 3 Rating: (0)	Hi As there is constant adress for NI NO etc, how should i configure NI in logo program when i use those constant adresses? Should i use the constat adress also in program? So for NI4 adress V1246.3. And if so why would logo software uses that adress in block for default. Also when crating tag list in TIA-Portal, should I use those VM mapping adresses or are Q0.1 same as V1064.1? Not sure if i should create new post about it but as begingger it would be nice to find all information in one post and this is very related. ------------------------------------------------------------------------------------------ Split from SIEMENS LOGO OBA8 - VM Mapping. Attachment Capture.JPG (584 Downloads)
Sbeach_92 Posts: 3 Rating: (0)	Last edited by: Jen_Moderator at: 2/18/2019 7:33:09 AM New subject after splitting
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2/16/2019 9:23 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/15/2026 Posts: 36458 Rating: (4550)	Hello Sbeach_92, at first welcome to the forum Many roads lead to Rome. There is no general concept. Everyone should do what they like best.

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2/16/2019 10:27 AM	Rate (0)
Sbeach_92 Posts: 3 Rating: (0)	I undestand that there is many ways to do it. It aslo seems that i cannot assing higer than 850 adress for that Network input, so have to assing aslo custom adress anyway. How about those TIA-portal tag assigning adreseses are I and Q adresses mapped to those constat adresses. Hard to test as cannot simulate logo and hmi simutaneouslty and logo is at the site.
Sbeach_92 Posts: 3 Rating: (0)
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2/16/2019 10:46 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/15/2026 Posts: 36458 Rating: (4550)	You can simulate an HMI with TIA and with a real LOGO! connect.

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2/16/2019 10:48 AM	Rate (1)
Jay. Posts: 1283 Rating: (105)	TIA has LOGO driver. So for Q and I you can just call it as Q0.0 and I0.0 . Only for instructions inside a block you may need to use the VM mapping and it's address for TIA tags calling.
Jay. Posts: 1283 Rating: (105)
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This contribution was helpful to 1 thankful Users Sbeach_92

2/16/2019 11:13 AM	Rate (1)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/15/2026 Posts: 36458 Rating: (4550)	It does not matter if Q1 or V1064.0 is used. The effect is the same.

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This contribution was helpful to 1 thankful Users HorGa

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