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How to use OB181 And OB255 In My Project?

2/11/2013 1:20 PM	Rate (0)
norouzi(2012) Posts: 8 Rating: (5)	Hi. I Want to Use OB181 & OB255 In My Project For Test & Create Of DBs. But I Don't Know How To Use From It . And Very Look For Sample Project That Use It. Please Help me.
norouzi(2012) Posts: 8 Rating: (5)
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2/11/2013 8:41 PM	Rate (0)
legacy support Gold Member Joined: 7/15/2008 Last visit: 3/13/2025 Posts: 382 Rating: (44)	norouzi(2012) Hi. I Want to Use OB181 & OB255 In My Project For Test & Create Of DBs. But I Don't Know How To Use From It . And Very Look For Sample Project That Use It. Please Help me. Hello, Please see attached S5 Program to create DB's. You can adapt and call from OB 20, 21 or 22 Regards / m.f.g Attachment DBDBDBST.zip (412 Downloads)

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2/12/2013 7:54 AM	Rate (0)
norouzi(2012) Posts: 8 Rating: (5)	Hi Legacy support. very thanks from your help.i test your program in my project but when start simulation, an error accur in simulation that "Block OB181 not existing".Whether must create ob181 in my project or it self will create while running program.
norouzi(2012) Posts: 8 Rating: (5)
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2/12/2013 7:06 PM	Rate (0)
legacy support Gold Member Joined: 7/15/2008 Last visit: 3/13/2025 Posts: 382 Rating: (44)	norouzi(2012) Hi Legacy support. very thanks from your help.i test your program in my project but when start simulation, an error accur in simulation that "Block OB181 not existing".Whether must create ob181 in my project or it self will create while running program. Hello, I am assuming that you are using a real PLC. What PLC are you using?? OB181 is used in the 135U-928 Series CPU. It is part of the CPU as an integrated special function, they are a fixed part of the system program. You do not have to create them. If you are using a differnt CPU you may have to read the Manual for the OB's for that Model. Regards / m.f.g

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2/23/2013 8:29 AM	Rate (0)
norouzi(2012) Posts: 8 Rating: (5)	I work with cpu 928b.but now work with s5 simulator because plc is runing in plant and i test the program for modification. whether I don't test program with ob181 or 255 in simulator?
norouzi(2012) Posts: 8 Rating: (5)
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2/23/2013 9:59 PM	Rate (0)
legacy support Gold Member Joined: 7/15/2008 Last visit: 3/13/2025 Posts: 382 Rating: (44)	norouzi(2012) I work with cpu 928b.but now work with s5 simulator because plc is runing in plant and i test the program for modification. whether I don't test program with ob181 or 255 in simulator? Hello norouzi Depending on the simulator you are using, you may be able todo so. See if the manual / help filefor theS5 simulatorhas section for testing these OB's. The progran Iuploadedis currently running on a 928 and 928B. Regards / m.f.g

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