136
Real-time clock and timed functions
ACH550-01 User's Manual
5.
Go to parameters 3614…3617 and set the start time to
8 PM and stop time to 10 PM. Then set the start and stop
days to Saturday and Sunday. Now time period 4 is set.
6.
Create the timer by going to parameter 3626
TIMER
1
SRC
and select all the created time periods (P1+P2+P3+P4).
7.
Go to
Group 12: CONSTANT SPEEDS
and select timer 1 in
parameter 1201
CONSTANT
SPEED
. Now timer 1 acts as the
source of constant speed selection.
8.
Set the drive to the AUTO mode for the timer to function.
Note:
For more information about the Timed functions, see
Group 36: TIMED FUNCTIONS
on page
265
.
Boost
The boost function operates the drive for a certain
predetermined time. The time is defined with parameters and
activated with a selected digital input. The boost time starts
running after the digital input has been activated momentarily.
Boost must be connected to the timers and selected when a
timer is created. Boost is typically used for amplified air
ventilation.
DI active
Boost active
Boost time
Input activated
Input deactivated
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