[?]: profibus I/O DP fault

[omar zedan]

Dear all
i use step 7 300(315 2DP) CPU connected to 2 nodes of remote IO(ET 200 M)
When i turn on or turn off a node the cpu goto stop mode
how can i keep cpu in run mode?
Thanks

[dehell]

Hi,
Add OB86 : use help to have more information.
Best regards

[omar zedan]

Dear dehell
i use ob86 and call sfc39 and give the parameters of sfc as following
.... As disable (i donot remaber the parameter name)
ob number as 1 and as 35 and 100 and 86
Because i use ob1 &ob100& ob 35 &ob 86
I try all this parameter and the problem still the same
what can i do?

Regards

[CoMod]

I/O Point Fault 1 OB 82
OB Not Loaded Fault OB 85
RACK_FLT OB 86
Communication Fault OB 87
Programming Error OB 121
Module Access Error OB 122

See PLC online diagnostic buffer

Event 1 of 10: Event ID 16# 38C4
Distributed I/Os: station return
Address of the affected DP slave: station number: 12
DP master system ID: 1
Log. base address of the DP slave: Input address: 1021
Log. base address of the DP master: 1023
Requested OB: Rack failure OB (OB86)
Priority class: 26
External error, Outgoing event
12:45:19.509 AM 10/28/1996


Event 2 of 10: Event ID 16# 3842
Module OK
Module type: Distributed I/0s
Input address: 1021
User information available
Diagnostic interrupt from substitute
Requested OB: Diagnostic interrupt OB (OB82)
Priority class: 26
External error, Outgoing event
12:45:19.349 AM 10/28/1996

[omar zedan]

Dear comod
thanks i will try and send you a result in couple of days
thanks again