Dear all,

i am doing a project in the S7-300R CPu 319-3PN/dp. i am new to S7-300R system kingly help me in the redundancy program in OB100  i have called FC100 Swr & enter the data but it showing error in OB100 .

kindly help me in  the issue .

Thanks & regards

K.Jagan

I have gone through the manual & Sample Program of SWR_S7300_Min project. the Redundancy program FC block are called in the OB1 block between of FB101 SWR .

IN OB100 complete resart calling the  Swr start FC100 and enter all the data for redundancy . But i have doubt in th FC100 DB_WORK_NO: DB1, DB_SEND_NO:DB2, DB_RECV_NO: DB3 mentioned db are not in the program that should be created by user or it will created as a instance DB.

How to check that which cpu is in master state? 

ther is any status bit common in both the cpu.

how to configure master & slave cpu status in HMI or SCADA.

Kindly help me in this issue.

Regards,

K.Jagan