Schneider Electric Altivar 12 Manuale Utente
78
BBV28581 05/2010
Code
Name/Description
Adjustment range
Factory setting
FUn-
Function menu
(continued)
PId-
PID menu
(continued)
PMP-
Pump sub-menu
(continued)
FtU
T
M Time delay before automatic start for the
underload fault
underload fault
0 to 6 min
0 min
If
Atr
=
YES
the drive restarts automatically after an underload fault
ULF
once this time delay has
elapsed.
Minimum time permitted between an underload being detected and any automatic restart.
In order for an automatic restart to be possible, the value of
Minimum time permitted between an underload being detected and any automatic restart.
In order for an automatic restart to be possible, the value of
Maximum restart time
tAr
page
must
exceed that of this parameter by at least one minute.
Visible only if
Application underload time delay
ULt
above is not set to
nO
.
MdE
M Selecting the operating mode
nO
v
nO
: single variable mode
v
YES
: single variable mode with auxiliary pump
When
MdE
=
YES
, output LO1 is forced to
PMP
(see page
).
Visible only if
PID feedback assignment
PIF
page
is not set to
nO
.
FOn
T
M Starting frequency of the auxiliary pump
0 to tFr
HSP
Above this frequency and after the pump starting time delay
tOn
,
the auxiliary pump starts.
Visible only if
Selecting the operating mode
MdE
above is not set to
nO
.
tOn
T
M Time delay before starting the auxiliary
pump
pump
0 to 999.9 s
2 s
This time is necessary to avoid the effects of transient pressure fluctuation and thus prevent oscillation
(pump starting/stopping).
(pump starting/stopping).
Visible only if
Selecting the operating mode
MdE
above is not set to
nO
.
rOn
T
M Ramp for reaching the auxiliary pump
nominal speed
nominal speed
0 to 999.9 s
2 s
Visible only if
Selecting the operating mode
MdE
above is not set to
nO
.
FOF
T
M Auxiliary pump stopping frequency
0 to tFr
0 Hz
Below this frequency and after the time delay for stopping the auxiliary pump
tOF
, the pump stops.
Visible only if
Selecting the operating mode
MdE
above is not set to
nO
.
T
Parameter that can be modified during operation or when stopped.
I-O-
drC-
CtL-
FUN-
FLt-
COM-