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258 Parameters
78.03
Interlock mode
Defines whether interlocks are used or not. This parameter
is only valid in traditional pump control.
WARNING!
Use of the Autochange function also
requires the use of interlocks.
Interlocks are used in applications where one pump
at a time is connected to the output of the drive. The
remaining pumps are powered from the supply and
started/stopped by the relay outputs of the drive.
A contact of the manual on/off switch (or protective device,
such as a thermal relay) of each pump is wired to the
selected interlock input. The logic will detect if the pump is
unavailable and start the next available pump instead.
The interlock inputs are defined by parameters
If the interlock circuit of the speed-regulated pump (the pump
connected to the drive output) is switched off, the pump is
stopped and all relay outputs are de-energized. Then the
drive will restart. The next available pump in the Autochange
sequence will be started as the regulated pump.
If the interlock circuit of a direct-on-line pump is switched off,
the drive will not try to start that pump until the interlock
circuit is switched on again. The other pumps will operate
normally.
Not used
Interlocks not used.
0
On
Interlocks in use.
1
No.
Name/Value
Description
FbEq
Содержание ACQ810
Страница 1: ...ABB industrial drives Firmware manual Standard pump control program for ACQ810 drives ...
Страница 4: ......
Страница 14: ...14 About the manual ...
Страница 56: ...56 Control locations ...
Страница 97: ...Application macros 97 ...
Страница 98: ...98 Application macros ...
Страница 100: ...100 Application macros ...
Страница 101: ...Application macros 101 ...
Страница 106: ...106 Application macros 75 01 Operation mode Multipump 76 01 Enable MF comm Yes ...
Страница 356: ...356 Control through the embedded fieldbus interface ...
Страница 366: ...366 Control through a fieldbus adapter ...
Страница 374: ...374 Control block diagrams ...