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Profibus DP Error

Created by: Khoatd10 at: 12/1/2022 8:49 AM (4 Replies)

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12/1/2022 8:49 AM	Rate (0)
Khoatd10 Member Joined: 7/7/2022 Last visit: 9/8/2025 Posts: 4 Rating: (0)	Hello everyone, I'm a newbie. i am working with a casting machine system using s7-300, PLC connected to robot via profibus dp. I'm having a few problems: - The profibus i/o address from the robot is only set from 150 back, when it is set to default, it cannot transmit data back and forth with the robot even though the connection is still green. - When profibus lost connection, plc stop, how can plc detect this error and not stop plc. can anyone help me?

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12/1/2022 9:14 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Hello, Perhaps this link might help: Which organization blocks do you need for error handling in STEP 7 V5.5? See diagnostic buffer for more information about error. Best regards, Wizard
	Last edited by: Wizard at: 12/01/2022 09:15:34
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This contribution was helpful to 1 thankful Users Khoatd10

12/2/2022 8:53 AM	Rate (0)
Khoatd10 Member Joined: 7/7/2022 Last visit: 9/8/2025 Posts: 4 Rating: (0)	Thanks for your answer. And how about in TIA Portal Wizard Hello, Perhaps this link might help: Which organization blocks do you need for error handling in STEP 7 V5.5? See diagnostic buffer for more information about error. Best regards, Wizard

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12/2/2022 9:06 AM	Rate (0)
Duris_I Diamond Member Joined: 4/28/2015 Last visit: 4/19/2025 Posts: 10876 Rating: (837)	Hello, Khoatd10 Thanks for your answer. And how about in TIA Portal Wizard Hello, Perhaps this link might help: Which organization blocks do you need for error handling in STEP 7 V5.5? See diagnostic buffer for more information about error. Best regards, Wizard ???? To TIA Portal same, look to OBs and download them inside PLC.
	With best regards... Ivan Duris Flight: OMICO
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12/2/2022 9:06 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Hello, Here a link about TIA Portal: Which organization blocks can you use in STEP 7 (TIA Portal)? Best regards, Wizard

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