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Created by: Corben at: 12/17/2009 8:40 AM (8 Replies)

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12/17/2009 8:40 AM	Rate (0)
Corben Advanced Member Joined: 1/14/2009 Last visit: 3/9/2023 Posts: 19 Rating: (0)	Hi guys, how a bus cable break be detected for X_PUT/X_GET, S7 basic communication? thank you.
	Last edited by: Corben at: 12/17/2009 8:41 AM
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12/17/2009 12:23 PM	Rate (1)
Darius Platinum Member Joined: 9/28/2005 Last visit: 11/6/2023 Posts: 2957 Rating: (242)	Hello, Maybe sollution is primitive, but I allways use life bit on both ends and no need for special diagnostics for connections. You just make 1s continuously pulse signal and send it to other connection partner via connection. And this other partner just copy signal and send you back. So in both ends if signal is not changing for set amount of time then connection is lost. This is the best for me .
	Best regards, Darius
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12/18/2009 2:13 AM	Rate (0)
Corben Advanced Member Joined: 1/14/2009 Last visit: 3/9/2023 Posts: 19 Rating: (0)	Hello Darius, I knew your way, but I want the direct way that diagnose S7 basis communication status. thank you.

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12/18/2009 9:21 PM	Rate (0)
Darius Platinum Member Joined: 9/28/2005 Last visit: 11/6/2023 Posts: 2957 Rating: (242)	Hi, Actually I dont use XPUT/XGET, but you can get error information and error status from SFC.
	Best regards, Darius
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12/21/2009 10:22 AM	Rate (0)
Corben Advanced Member Joined: 1/14/2009 Last visit: 3/9/2023 Posts: 19 Rating: (0)	Hi, Darius, I tested them, no useful information from status of X_PUT/X_GET while cable break, if only one job running, status code 16#7002 shows data transfer is already active; if several jobs running, then status codes are 16#7002and 16#80B0.

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12/21/2009 1:05 PM	Rate (0)
Darius Platinum Member Joined: 9/28/2005 Last visit: 11/6/2023 Posts: 2957 Rating: (242)	Do you use Ethernet ?
	Best regards, Darius
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12/22/2009 2:07 AM	Rate (0)
Corben Advanced Member Joined: 1/14/2009 Last visit: 3/9/2023 Posts: 19 Rating: (0)	X_PUT / X_GET are only available for MPI. PUT / GET can work with PB DP / Ethernet.

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12/22/2009 7:45 AM	Rate (0)
Darius Platinum Member Joined: 9/28/2005 Last visit: 11/6/2023 Posts: 2957 Rating: (242)	Hi, Oh yes, sorry. Forgot about that . Then I don't know if error status do not help. You can combine both methods: life signal for cable break and error status for other errors. I think that errors status shows only protocol errors, but not physical layer error (this is just my guessing). I know that its not possible to get error status for cable break in ethernet due to nature of protocol. Here must be the same thing. Anyway you has a sollution .
	Best regards, Darius
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12/30/2009 7:26 AM	Rate (0)
Corben Advanced Member Joined: 1/14/2009 Last visit: 3/9/2023 Posts: 19 Rating: (0)	Is there any other solution more official?

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