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Posted to issues@plc4x.apache.org by "Julian Feinauer (JIRA)" <ji...@apache.org> on 2019/07/28 08:51:00 UTC
[jira] [Assigned] (PLC4X-134) S7 is terminating the connection
during handshake
[ https://issues.apache.org/jira/browse/PLC4X-134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Feinauer reassigned PLC4X-134:
-------------------------------------
Assignee: Julian Feinauer
> S7 is terminating the connection during handshake
> -------------------------------------------------
>
> Key: PLC4X-134
> URL: https://issues.apache.org/jira/browse/PLC4X-134
> Project: Apache PLC4X
> Issue Type: Bug
> Components: Driver-S7
> Affects Versions: 0.4.0
> Reporter: Mirko Pohland
> Assignee: Julian Feinauer
> Priority: Critical
> Fix For: 0.5.0
>
> Attachments: stack_trace.txt
>
>
> When trying to connect to my S7-300 I get the following error (stack trace attached):
> {color:#FF0000} org.apache.plc4x.java.api.exceptions.PlcIoException: Connection terminated by remote{color}
> After some debugging I found out that I can fix this issue by doing a small change in S7PlcConnection.java
>
> From
> short calledTsapId = S7TsapIdEncoder.encodeS7TsapId(DeviceGroup.OS, 0, 0);
> short callingTsapId = S7TsapIdEncoder.encodeS7TsapId(DeviceGroup.PG_OR_PC, rack, slot);
> where calledTsapId does not contain rack and slot to
> short calledTsapId = S7TsapIdEncoder.encodeS7TsapId(DeviceGroup.OS, rack, slot);
> short callingTsapId = S7TsapIdEncoder.encodeS7TsapId(DeviceGroup.PG_OR_PC, 0, 0);
> Now I can connect to the S7.
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