step7 error

Hii Experts

I am using step7 v5.5 in my plant.Few days before when i try to open my multiproject in  my standby engineering station i found the error pop up displaying  "STEP7 START(1739:300) Only read access to the data possible".When i clik on OK , then the project is opening but there is no CFC chat in the project.

please help.

Hi sks1981,

Repair Step 7 and all realted softwares e.g. CFC etc.

If u have another PC with installation, try to open the backup. If not possible, then seriously u need to re-organize the PLC program.

Sachinpatke

Hi sks1981,

Repair Step 7 and all realted softwares e.g. CFC etc.

If u have another PC with installation, try to open the backup. If not possible, then seriously u need to re-organize the PLC program.

 Hello Sachin jee

Can you please guide me how to do the above.

If you put the step by step procedure this can be more helpful for me.

Thank you

Hi,

For repair-

1. Go to control panel-Select Programs & features- Select Simatic manager- Right click- Repair

OR

2. Start installation & select Repair instaed of unistall AND Modify.

Follow same procedure for CFC repair

For reorganize-

Open the project. Go to File-Save as- Tick check box Reorganize slow. See attached image