ABB ACH550-01 User Manual page 134

6 The new value is displayed
below the START TIME 1
text. Press EXIT to return to
the main menu. Continue
with STOP TIME 1, START
DAY 1 and STOP DAY 1.
3. Creating a timer
Different time periods can be collected in a timer and connected
to parameters. The timer can act as the source of start/stop and
change direction commands, constant speed selection and relay
activation signals. Time periods can be in multiple timed
functions, but a parameter can only be connected to a single
timer. It is possible to create up to four timers.
To create a timer, follow these steps:
1 Press MENU to go to the
main menu.
2 Select the PARAMETERS
mode with the UP/DOWN
keys. Then press ENTER
to go to the Parameters
mode.
3 Scroll to group 36 TIMED
FUNCTIONS with the UP/
DOWN keys and press
SEL.
4 Scroll to TIMER 1 SRC with
the UP/DOWN keys and
press EDIT.
5 The current value is
displayed. Change the
value with the UP/DOWN
keys.
122
ACH550 User's Manual
Real-time clock and timed functions