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Store H-word SINUMERIK840C

Created by: boomeeeer at: 1/10/2013 8:45 AM (12 Replies)

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1/10/2013 8:45 AM	Rate (0)
boomeeeer Experienced Member Joined: 10/19/2011 Last visit: 11/19/2024 Posts: 31 Rating: (2)	Hello. Could you help me please. I have a turning machine with Sinumerik 840C system (and PLC 135WB). I've programmed some new function and linked it with H-word. I read out H-word for the channel from DB10...13.DW45. All the new functions works well but I have to enter H-word each time after Power Off. How can I save previously entered H-words. Thank you in advance.

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1/11/2013 10:08 AM	Rate (1)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 10/20/2025 Posts: 998 Rating: (65)	Hi, The H word is only valid when the H stobe is high. In all other situations the H value cannot be trusted. Use the strobe to transfer it to a different data block and use that value. User Data Block values remain valid after power off/on Pee

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This contribution was helpful to 1 thankful Users boomeeeer

1/11/2013 10:46 AM	Rate (0)
boomeeeer Experienced Member Joined: 10/19/2011 Last visit: 11/19/2024 Posts: 31 Rating: (2)	Thank you for reply Do you mean DB68 and DB71?

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1/11/2013 11:02 AM	Rate (0)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 10/20/2025 Posts: 998 Rating: (65)	HI, You create your own data block Pee

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5/10/2013 6:20 AM	Rate (0)
boomeeeer Experienced Member Joined: 10/19/2011 Last visit: 11/19/2024 Posts: 31 Rating: (2)	Pee El Sea HI, You create your own data block Pee I've created DB216 but all the data are equal zero after Power-Off/On

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5/10/2013 9:23 AM	Rate (0)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 10/20/2025 Posts: 998 Rating: (65)	Are you transfering the h code into db216 when the h strobe goes high ?

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5/10/2013 10:14 AM	Rate (0)
boomeeeer Experienced Member Joined: 10/19/2011 Last visit: 11/19/2024 Posts: 31 Rating: (2)	Pee El Sea Are you transfering the h code into db216 when the h strobe goes high ? What is a H strobe mean? Here is the part of code I tried. [code] :C DB 11 :L DW 45 :C DB 216 :T DW 45 : :L DW 45 :L KH 20 :!=F [/code] This comparison works well I enter H function before start of machining in the "Machine" area in "Overstore" input window

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5/10/2013 11:07 AM	Rate (0)
MBA Posts: 594 Rating: (79)	boomeeeer Pee El Sea Are you transfering the h code into db216 when the h strobe goes high ? What is a H strobe mean? DB10...13. DL / DR 17 https://www.automation.siemens.com/doconweb/content.asp?item=2047&cd=840c_1101_e&scope=all
MBA Posts: 594 Rating: (79)
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5/10/2013 11:51 AM	Rate (0)
boomeeeer Experienced Member Joined: 10/19/2011 Last visit: 11/19/2024 Posts: 31 Rating: (2)	MBA boomeeeer Pee El Sea Are you transfering the h code into db216 when the h strobe goes high ? What is a H strobe mean? DB10...13. DL / DR 17 https://www.automation.siemens.com/doconweb/content.asp?item=2047&cd=840c_1101_e&scope=all OK. Thanks. As I realised H strobe = H modification signal. But as I already said I can read out H function without evaluating of H modification (strobe) signal. And now I want last entered H function to save its value after Power-Off/On.

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5/10/2013 12:02 PM	Rate (0)
boomeeeer Experienced Member Joined: 10/19/2011 Last visit: 11/19/2024 Posts: 31 Rating: (2)	boomeeeer Pee El Sea Are you transfering the h code into db216 when the h strobe goes high ? No. I do this without evaluating of H strobe but it works anyway. When I push NC Start button the value of H function transferred into the word of DB216.

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