Use the following:
data: W_TAB_FIELD TYPE c VALUE cl_abap_char_utilities=>CR_LF.
concatenate "Campo1" w_tab_field "Campo2" into LV_CAMPOS.
Use the following:
data: W_TAB_FIELD TYPE c VALUE cl_abap_char_utilities=>CR_LF.
concatenate "Campo1" w_tab_field "Campo2" into LV_CAMPOS.