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jewel120
Junior
Joined: 05 Oct 2017
Posts: 11
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 Posted: 25/04/2025 12:58 Post subject: CPU313C-DP goes to stop frequently |
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Hello Expert
We are running one packing robot machine using CPU313C-DP with I/O module.We have been facing problem that the CPU goes to stop at running condition and It becomes ok after power restart.It is happening 2/3 time in a day.
I have attached the buffer diagnostic.
with thanks
Jewel
Bangladesh[url=http://www.99poze.ro/p/aa08d6cac5f11ac83c640d36022d7fbc.jpg] [/url]+ |
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jewel120
Junior
Joined: 05 Oct 2017
Posts: 11
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| Posted: 25/04/2025 12:59 Post subject: Re: CPU313C-DP goes to stop frequently |
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| jewel120 wrote: | Hello Expert
We are running one packing robot machine using CPU313C-DP with I/O module.We have been facing problem that the CPU goes to stop at running condition and It becomes ok after power restart.It is happening 2/3 time in a day.
I have attached the buffer diagnostic.
with thanks
Jewel
Bangladesh[url=http://www.99poze.ro/p/aa08d6cac5f11ac83c640d36022d7fbc.jpg][/url]+ |
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keosmm
Junior
Joined: 14 Jan 2016
Posts: 15
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| Posted: 25/04/2025 15:03 Post subject: |
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in the diagnostic message it states the absence of OB82 and OB86.
For this reason the CPU goes into stop state.
It is necessary to făurite OB82 and OB86, inside them no instructions.
error created by the external IN-OUT module, probably inserted inside the robot for communication with it. |
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jewel120
Junior
Joined: 05 Oct 2017
Posts: 11
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| Posted: 25/04/2025 19:18 Post subject: CPU313C-DP goes to stop frequently |
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Only OB1 is present in program.
There is no extra module inside the machine.
Two I/O module are connected with PLC and HMI is connected with PLC Via profibus.[url=http://www.99poze.ro/p/c8c3e9647b7865642bea0163a1c80683.jpg] [/url]+ |
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keosmm
Junior
Joined: 14 Jan 2016
Posts: 15
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| Posted: 25/04/2025 20:00 Post subject: |
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1) OB86 creation (empty)
2) OB82 creation (empty)
3) transfer two created OBs to cpu
the cpu will no longer go into stop.
because when the OB86 (or OB82) call conditions are active, the instructions inside the block will be processed (no instructions).
the system recognizes that the block is present (OB86 or OB82) so the CPU continues its normal work.
OB86 or OB82 intervention is called by the I/O module connected to the CPU via ProfiBus |
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keosmm
Junior
Joined: 14 Jan 2016
Posts: 15
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| Posted: 25/04/2025 20:03 Post subject: |
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[url]https://cache.industry.siemens.com/dl/files/415/15390415/att_41918/v1/S7-300_IHB_e.pdf[/url]
page 140[/img] |
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