264 Parameters
Even wear
The running time of the motors are balanced by the drive.
When the difference in running time between the motors with
the least and most running hours exceeds the time defined by
parameter
, the autochange
occurs.
The running hours of the motors can be found in group
Multipump maintenance and monitoring
13
Source selection (see
). -
Specifies the interval that is used in setting
1.00 h
0.00…42949672.95
h
Time.
1 = 1 h
Specifies the maximum wear imbalance, or difference in
running times between any motor, used by the
setting of parameter
.
10.00 h
0.00…
1000000.00 h
Time.
1 = 1 h
Upper speed limit for the Autochange to occur. The
Autochange occurs when:
• the condition defined in
is fulfilled
and,
• the speed of the drive motor
is below
the speed limit defined in this parameter.
Note:
When the value is selected as 0%, this speed limit
check is disabled.
100.0%
0.0…300.0%
Speed/frequency in percentage of the nominal speed or
frequency of the drive motor.
1 = 1%
Selects whether only auxiliary motors or all motors are
included in the Autochange function.
All motors
All motors, including the one connected to the drive
participates in the autochange. The Autochange logic will
connect the drive to each of the motors according to setting of
parameter
Note:
The first motor (PFC1) also requires the appropriate
hardware contactor connections and PFC1 must be defined
in one of the relay output source parameters.
0
Aux motors only
Only auxiliary (direct-on-line) motors are affected by the
autochange function.
Note:
PFC1 refers to the motor that is fixed to the drive and
must not be selected in any of the relay output source
parameters. Only the starting order of the auxiliary motors will
be rotated.
1
Defines the maximum time that a low priority pump can be
stationary.
The IPC system uses pump priorities to start/stop the pumps.
This parameter sets the upper limit for stationary time so that
the pump blockage can be avoided.
0.0
0.0...214748368.0 h Maximum stationary time in hours.
1 = 1 h
Selects the priority of the pump in an IPC system.
Note:
Parameter
defines the
maximum time that a low priority pump can be stationary.
No.
Name/Value
Description
Def/FbEq16
Summary of Contents for ACQ580
Page 1: ...ABB drives for water Firmware manual ACQ580 pump control program ...
Page 4: ... 2017 ABB Oy All Rights Reserved 3AXD50000035867 Rev C EN EFFECTIVE 2017 06 21 ...
Page 30: ...26 Start up control with I O and ID run ...
Page 40: ...36 Default configuration ...
Page 304: ...300 Parameters ...
Page 340: ...336 Additional parameter data ...