Is there a way to use S7-plc sim with OB2?

When i use S7-plc sim with OB1 (organization block) it work fine but when i make

new block OB2 i cant use S7-plc sim its said (unable to

download block OB2) mine version is S7-plc. i dont want to creat a new project every time to test simple command

Put your simple commands in FC1,2,3,4 etc and call the FC you want to test from OB1.

ok i see thax you

google08 said:

...but when i make new block OB2...

Click to expand...

Look in to the manual "System Software for S7-300/400 System and Standard Functions" chapter 1 "Organization Blocks" and you'll notice that there is no such thing as an OB2. This manual should be installed together with the Step 7 software.

Regards,