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PTO0_Run Problem

6/10/2011 4:28 PM	Rate (0)
hamid5019 Posts: 2 Rating: (0)	hello i use 2 PTO0_Run and 1 PT0_man in my program. when suddenly the power system come to off, then my program not working until i program the plc again. I understand that when i strat the program i show me error "128". but any PTo not runing. please help me to solve this problem
hamid5019 Posts: 2 Rating: (0)
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6/10/2011 4:57 PM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello, So, you need to keep a program in case of power failure. What is the function of the external memory module? Data storage using the S7-200 battery module and its dependance from the high performance capacitor of theCPU best regards, Hristo Mihalev

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6/10/2011 6:17 PM	Rate (0)
Ayman Elotaify Diamond Expert Joined: 5/28/2008 Last visit: 1/14/2026 Posts: 4522 Rating: (843)	hamid5019 hello i use 2 PTO0_Run and 1 PT0_man in my program. when suddenly the power system come to off, then my program not working until i program the plc again. I understand that when i strat the program i show me error "128". but any PTo not runing. please help me to solve this problem Hello hamid5019, Do you mean that after the power failure, You need to re-download the program again? Did you make online monitoring before downloading the software again.
	Ayman Elotaify
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This contribution was helpful to 1 thankful Users hamid5019

6/10/2011 9:11 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	I remember the same problem with the pid block, solution was to call the block at startup , at your block call to include SM0.1 (firts call)with an or function. o sm0.1 o // your thing call pto... Maybe that will work. Indeed it had something to do with the online monitoring, but long time ago, so i forgot the details. just try it. Best regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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6/16/2011 8:24 AM	Rate (0)
Helmut_13 Posts: 2930 Rating: (432)	Hi, if you run a profile, then you must wait until the active profile is finished before you start the next profile. Otherwise you get error 128. See online help in MW.
Helmut_13 Posts: 2930 Rating: (432)
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6/26/2011 9:14 PM	Rate (0)
hamid5019 Posts: 2 Rating: (0)	hello thank you for your attention. yes after power failer i must redownload the program to plc. yes i monitor it and i understand that the plc think one of PTO is running and dont let program work correctly. for this reason i stop program when the pto not ruuning but if power failed it must programed again how can i solve this problem
hamid5019 Posts: 2 Rating: (0)	Last edited by: hamid5019 at: 6/28/2011 5:11 PM Last edited by: hamid5019 at: 6/26/2011 9:18 PM
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