ABB ACS355 series - Real-Time Clock and Timed Functions

Program features 165
Real-time clock and timed functions
 Real-time clock
The real-time clock has the following features:
• four daily times
• four weekly times
• timed boost function, eg, a constant speed which is on for a certain pre-
programmed time.
• timer enable with digital inputs
• timed constant speed selection
• timed relay activation.
For more information, see Group 36 TIMED FUNCTIONS on page 269.
Note: To be able to use the timed functions, the internal clock has to be set first. For
information on the Time and date mode, see section Time and date mode on page
100.
Note: The timed functions work only when the assistant control panel is connected to
the drive.
Note: Removing the control panel for upload/download purposes does not affect the
clock.
Note: Daylight saving changeover is automatic if activated.
 Timed functions
A variety of drive functions can be time controlled, eg, start/stop and EXT1/EXT2
control. The drive offers
• four start and stop times (START TIME 1…START TIME 4, STOP TIME 1…STOP
TIME 4)
• four start and stop days (START DAY 1…START DAY 4, STOP DAY 1…STOP
DAY 4)
• four timed functions for collecting the selected time periods 1…4 together (TIMED
FUNC 1 SRC…TIMED FUNC 4 SRC)
• booster time (an additional booster time connected to timed functions).
Configuring the timed functions
You can use the Timed functions assistant for easy configuring. For more information
on the assistants, see section Assistants mode on page 96.