Hi 
!
Your setpoint_shift_address is 4/0/20 and it’s state_address is 4/0/23
And you don’t seem to have a GO for operation_mode_state_address - maybe you can activate it in parameters or use the same address as for setting (and eventually set the read flag).
PS. Your post will eventually be deleted by mods since it is not written in English. See How to help us help you - or How to ask a good question