Hello,

I have an issue with RDSYSST, it works well when I have a rack failure but when I recover the communication , I have a ret_val error 7001 First call with REQ=1: Data transfer started; BUSY has the value 1.

The RDSYSST is in OB 86.

What could be the issue, could you please help me.

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Split from SFC 51 "RDSYSST" for Rack/station status information SZLID 292.

massini

Hello,

I have an issue with RDSYSST, it works well when I have a rack failure but when I recover the communication , I have a ret_val error 7001 First call with REQ=1: Data transfer started; BUSY has the value 1.

The RDSYSST is in OB 86.

What could be the issue, could you please help me.

 Hello,

Have you tried that read Aret post:

SFC 51 results error with 7001 & 7002 - Siemens Industry Online ...

In addition go to chapter 13-5 - 700x is not an error

System Software for S7-300 and S7-400 System and ... - Siemens