Vacon 100 flow Applications Manual page 333

PARAMETER DESCRIPTIONS
Example
After an autochange, the first motor is put last. The other motors move up 1 position.
The start sequence of the motors: 1, 2, 3, 4, 5
--> Autochange -->
The start sequence of the motors: 2, 3, 4, 5, 1
--> Autochange -->
The start sequence of the motors: 3, 4, 5, 1, 2
P3.15.7 AUTOCHANGED PUMPS (ID 1028)
Use this parameter to include the controlled motor/pump in the autochange and interlock
system.
Selection
Selection name
number
0 Auxiliary pumps
1 All pumps
WIRING
The connections are different for the parameter values 0 and 1.
SELECTION 0, AUXILIARY PUMPS
The drive is directly connected to Motor 1. The other motors are auxiliary motors. They are
connected to the mains by contactors, and controlled by relays of the drive. The autochange
or the interlock logic do not have an effect on Motor 1.
SELECTION 1, ALL PUMPS
To include the regulating motor in the autochange or in the interlock logic, obey the
instructions in the figure below. 1 relay controls each motor. The contactor logic always
connects the first motor to the drive, and the next motors to the mains.
LOCAL CONTACTS: HTTP://DRIVES.DANFOSS.COM/DANFOSS-DRIVES/LOCAL-CONTACTS/
Description
The drive is always connected to Motor 1. The interlocks do
not have an effect on Motor 1. Motor 1 is not included in the
autochange logic.
It is possible to connect the drive to any of the motors in the
system. The interlocks have an effect on all the motors. All
the motors are included in the autochange logic.
VACON · 333
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