ABB 6128/10 Series Operating Instructions Manual page 57

ENG 12
Time blocks
Each time channel contains four time blocks. This total of eight time blocks all
have the same structure.
Status
This defines in which cases the respective time block is active (e.g.
permanently active, active when present / absent, inactive).
Days
This defines on which days the the respective control time is active (e.g. Mon -
Fri or during the week-end only). Each days can be activated / deactivated
individually.
Astro function
This function automatically adapts the programmed control time to the
seasonal changes of sunrise and sunset.
– Status of astro function
This defines if the astro function is active or inactive.
– Blocking status of astro function
Here shifting by the astro function can be limited consciously (e.g. do not
move up before ... or do not move down later than ...).
– Blocking time of astro function
Here the time for the blocking status is entered.