How to communikation between 2 CPU

i try to connect 2 plc 400 with each other , and try to

communicate between them without success, maybe i have done

something wrong, i use the simulator to test but it not work

s7connection active yes, i use ethernet

here the data block

http://imageshack.us/photo/my-images/708/datablock.png/

here the SFB12/SFB13

http://img407.imageshack.us/img407/1262/sfb.png