Incremental Encoder value in S7 200

Hi,
I want to know how we show the inremental encoder value in 360 degree at wincc flexible runtime.
Encoder is Omron E2B2-CWZ6C 200P/R
PLC is S7 200 and CPU 224xp.
When i set presenet value in wincc flexible it give exect value in one rotation after Second rotation its value high from 360.please tell me anyone how i show the exact value of encoder in 360 degree after one rotation or second rotation its give value less than 360.thanks

Reset the counter to 0 when it reaches 360

Thanks tarik for reply.I will try to do this one